kgMini-new/uni_modules/qiun-data-charts/js_sdk/u-charts/u-charts.js

/*
 * uCharts®
 * 高性能跨平台图表库，支持H5、APP、小程序（微信/支付宝/百度/头条/QQ/360）、Vue、Taro等支持canvas的框架平台
 * Copyright (c) 2021 QIUN®秋云 https://www.ucharts.cn All rights reserved.
 * Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
 * 复制使用请保留本段注释，感谢支持开源！
 * 
 * uCharts®官方网站
 * https://www.uCharts.cn
 * 
 * 开源地址:
 * https://gitee.com/uCharts/uCharts
 * 
 * uni-app插件市场地址：
 * http://ext.dcloud.net.cn/plugin?id=271
 * 
 */

'use strict';

var config = {
  version: 'v2.3.6-20211201',
  yAxisWidth: 15,
  yAxisSplit: 5,
  xAxisHeight: 22,
  xAxisLineHeight: 22,
  legendHeight: 15,
  yAxisTitleWidth: 15,
  padding: [10, 10, 10, 10],
  pixelRatio: 1,
  rotate: false,
  columePadding: 3,
  fontSize: 13,
  fontColor: '#fff',
  dataPointShape: ['circle', 'circle', 'circle', 'circle'],
  color: ['#1890FF', '#91CB74', '#FAC858', '#EE6666', '#73C0DE', '#3CA272', '#FC8452', '#9A60B4', '#ea7ccc'],
  linearColor: ['#0EE2F8', '#2BDCA8', '#FA7D8D', '#EB88E2', '#2AE3A0', '#0EE2F8', '#EB88E2', '#6773E3', '#F78A85'],
  pieChartLinePadding: 15,
  pieChartTextPadding: 5,
  xAxisTextPadding: 3,
  titleColor: '#333333',
  titleFontSize: 20,
  subtitleColor: '#999999',
  subtitleFontSize: 15,
  toolTipPadding: 3,
  toolTipBackground: '#000000',
  toolTipOpacity: 0.7,
  toolTipLineHeight: 20,
  radarLabelTextMargin: 13,
  gaugeLabelTextMargin: 13
};

var assign = function(target, ...varArgs) {
  if (target == null) {
    throw new TypeError('[uCharts] Cannot convert undefined or null to object');
  }
  if (!varArgs || varArgs.length <= 0) {
    return target;
  }
  // 深度合并对象
  function deepAssign(obj1, obj2) {
    for (let key in obj2) {
      obj1[key] = obj1[key] && obj1[key].toString() === "[object Object]" ?
        deepAssign(obj1[key], obj2[key]) : obj1[key] = obj2[key];
    }
    return obj1;
  }
  varArgs.forEach(val => {
    target = deepAssign(target, val);
  });
  return target;
};

var util = {
  toFixed: function toFixed(num, limit) {
    limit = limit || 2;
    if (this.isFloat(num)) {
      num = num.toFixed(limit);
    }
    return num;
  },
  isFloat: function isFloat(num) {
    return num % 1 !== 0;
  },
  approximatelyEqual: function approximatelyEqual(num1, num2) {
    return Math.abs(num1 - num2) < 1e-10;
  },
  isSameSign: function isSameSign(num1, num2) {
    return Math.abs(num1) === num1 && Math.abs(num2) === num2 || Math.abs(num1) !== num1 && Math.abs(num2) !== num2;
  },
  isSameXCoordinateArea: function isSameXCoordinateArea(p1, p2) {
    return this.isSameSign(p1.x, p2.x);
  },
  isCollision: function isCollision(obj1, obj2) {
    obj1.end = {};
    obj1.end.x = obj1.start.x + obj1.width;
    obj1.end.y = obj1.start.y - obj1.height;
    obj2.end = {};
    obj2.end.x = obj2.start.x + obj2.width;
    obj2.end.y = obj2.start.y - obj2.height;
    var flag = obj2.start.x > obj1.end.x || obj2.end.x < obj1.start.x || obj2.end.y > obj1.start.y || obj2.start.y < obj1.end.y;
    return !flag;
  }
};

//兼容H5点击事件
function getH5Offset(e) {
  e.mp = {
    changedTouches: []
  };
  e.mp.changedTouches.push({
    x: e.offsetX,
    y: e.offsetY
  });
  return e;
}

// 经纬度转墨卡托
function lonlat2mercator(longitude, latitude) {
  var mercator = Array(2);
  var x = longitude * 20037508.34 / 180;
  var y = Math.log(Math.tan((90 + latitude) * Math.PI / 360)) / (Math.PI / 180);
  y = y * 20037508.34 / 180;
  mercator[0] = x;
  mercator[1] = y;
  return mercator;
}

// 墨卡托转经纬度
function mercator2lonlat(longitude, latitude) {
  var lonlat = Array(2)
  var x = longitude / 20037508.34 * 180;
  var y = latitude / 20037508.34 * 180;
  y = 180 / Math.PI * (2 * Math.atan(Math.exp(y * Math.PI / 180)) - Math.PI / 2);
  lonlat[0] = x;
  lonlat[1] = y;
  return lonlat;
}

// hex 转 rgba
function hexToRgb(hexValue, opc) {
  var rgx = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
  var hex = hexValue.replace(rgx, function(m, r, g, b) {
    return r + r + g + g + b + b;
  });
  var rgb = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
  var r = parseInt(rgb[1], 16);
  var g = parseInt(rgb[2], 16);
  var b = parseInt(rgb[3], 16);
  return 'rgba(' + r + ',' + g + ',' + b + ',' + opc + ')';
}

function findRange(num, type, limit) {
  if (isNaN(num)) {
    throw new Error('[uCharts] series数据需为Number格式');
  }
  limit = limit || 10;
  type = type ? type : 'upper';
  var multiple = 1;
  while (limit < 1) {
    limit *= 10;
    multiple *= 10;
  }
  if (type === 'upper') {
    num = Math.ceil(num * multiple);
  } else {
    num = Math.floor(num * multiple);
  }
  while (num % limit !== 0) {
    if (type === 'upper') {
      num++;
    } else {
      num--;
    }
  }
  return num / multiple;
}

function calCandleMA(dayArr, nameArr, colorArr, kdata) {
  let seriesTemp = [];
  for (let k = 0; k < dayArr.length; k++) {
    let seriesItem = {
      data: [],
      name: nameArr[k],
      color: colorArr[k]
    };
    for (let i = 0, len = kdata.length; i < len; i++) {
      if (i < dayArr[k]) {
        seriesItem.data.push(null);
        continue;
      }
      let sum = 0;
      for (let j = 0; j < dayArr[k]; j++) {
        sum += kdata[i - j][1];
      }
      seriesItem.data.push(+(sum / dayArr[k]).toFixed(3));
    }
    seriesTemp.push(seriesItem);
  }
  return seriesTemp;
}

function calValidDistance(self, distance, chartData, config, opts) {
  var dataChartAreaWidth = opts.width - opts.area[1] - opts.area[3];
  var dataChartWidth = chartData.eachSpacing * (opts.chartData.xAxisData.xAxisPoints.length - 1);
  var validDistance = distance;
  if (distance >= 0) {
    validDistance = 0;
    self.uevent.trigger('scrollLeft');
    self.scrollOption.position = 'left'
    opts.xAxis.scrollPosition = 'left';
  } else if (Math.abs(distance) >= dataChartWidth - dataChartAreaWidth) {
    validDistance = dataChartAreaWidth - dataChartWidth;
    self.uevent.trigger('scrollRight');
    self.scrollOption.position = 'right'
    opts.xAxis.scrollPosition = 'right';
  } else {
    self.scrollOption.position = distance
    opts.xAxis.scrollPosition = distance;
  }
  return validDistance;
}

function isInAngleRange(angle, startAngle, endAngle) {
  function adjust(angle) {
    while (angle < 0) {
      angle += 2 * Math.PI;
    }
    while (angle > 2 * Math.PI) {
      angle -= 2 * Math.PI;
    }
    return angle;
  }
  angle = adjust(angle);
  startAngle = adjust(startAngle);
  endAngle = adjust(endAngle);
  if (startAngle > endAngle) {
    endAngle += 2 * Math.PI;
    if (angle < startAngle) {
      angle += 2 * Math.PI;
    }
  }
  return angle >= startAngle && angle <= endAngle;
}

function calRotateTranslate(x, y, h) {
  var xv = x;
  var yv = h - y;
  var transX = xv + (h - yv - xv) / Math.sqrt(2);
  transX *= -1;
  var transY = (h - yv) * (Math.sqrt(2) - 1) - (h - yv - xv) / Math.sqrt(2);
  return {
    transX: transX,
    transY: transY
  };
}

function createCurveControlPoints(points, i) {
  function isNotMiddlePoint(points, i) {
    if (points[i - 1] && points[i + 1]) {
      return points[i].y >= Math.max(points[i - 1].y, points[i + 1].y) || points[i].y <= Math.min(points[i - 1].y,
        points[i + 1].y);
    } else {
      return false;
    }
  }
  function isNotMiddlePointX(points, i) {
    if (points[i - 1] && points[i + 1]) {
      return points[i].x >= Math.max(points[i - 1].x, points[i + 1].x) || points[i].x <= Math.min(points[i - 1].x,
        points[i + 1].x);
    } else {
      return false;
    }
  }
  var a = 0.2;
  var b = 0.2;
  var pAx = null;
  var pAy = null;
  var pBx = null;
  var pBy = null;
  if (i < 1) {
    pAx = points[0].x + (points[1].x - points[0].x) * a;
    pAy = points[0].y + (points[1].y - points[0].y) * a;
  } else {
    pAx = points[i].x + (points[i + 1].x - points[i - 1].x) * a;
    pAy = points[i].y + (points[i + 1].y - points[i - 1].y) * a;
  }

  if (i > points.length - 3) {
    var last = points.length - 1;
    pBx = points[last].x - (points[last].x - points[last - 1].x) * b;
    pBy = points[last].y - (points[last].y - points[last - 1].y) * b;
  } else {
    pBx = points[i + 1].x - (points[i + 2].x - points[i].x) * b;
    pBy = points[i + 1].y - (points[i + 2].y - points[i].y) * b;
  }
  if (isNotMiddlePoint(points, i + 1)) {
    pBy = points[i + 1].y;
  }
  if (isNotMiddlePoint(points, i)) {
    pAy = points[i].y;
  }
  if (isNotMiddlePointX(points, i + 1)) {
    pBx = points[i + 1].x;
  }
  if (isNotMiddlePointX(points, i)) {
    pAx = points[i].x;
  }
  if (pAy >= Math.max(points[i].y, points[i + 1].y) || pAy <= Math.min(points[i].y, points[i + 1].y)) {
    pAy = points[i].y;
  }
  if (pBy >= Math.max(points[i].y, points[i + 1].y) || pBy <= Math.min(points[i].y, points[i + 1].y)) {
    pBy = points[i + 1].y;
  }
  if (pAx >= Math.max(points[i].x, points[i + 1].x) || pAx <= Math.min(points[i].x, points[i + 1].x)) {
    pAx = points[i].x;
  }
  if (pBx >= Math.max(points[i].x, points[i + 1].x) || pBx <= Math.min(points[i].x, points[i + 1].x)) {
    pBx = points[i + 1].x;
  }
  return {
    ctrA: {
      x: pAx,
      y: pAy
    },
    ctrB: {
      x: pBx,
      y: pBy
    }
  };
}

function convertCoordinateOrigin(x, y, center) {
  return {
    x: center.x + x,
    y: center.y - y
  };
}

function avoidCollision(obj, target) {
  if (target) {
    // is collision test
    while (util.isCollision(obj, target)) {
      if (obj.start.x > 0) {
        obj.start.y--;
      } else if (obj.start.x < 0) {
        obj.start.y++;
      } else {
        if (obj.start.y > 0) {
          obj.start.y++;
        } else {
          obj.start.y--;
        }
      }
    }
  }
  return obj;
}

function fixPieSeries(series, opts, config){
  let pieSeriesArr = [];
  if(series.length>0 && series[0].data.constructor.toString().indexOf('Array') > -1){
    opts._pieSeries_ = series;
    let oldseries = series[0].data;
    for (var i = 0; i < oldseries.length; i++) {
      oldseries[i].formatter = series[0].formatter;
      oldseries[i].data = oldseries[i].value;
      pieSeriesArr.push(oldseries[i]);
    }
    opts.series = pieSeriesArr;
  }else{
    pieSeriesArr = series;
  }
  return pieSeriesArr;
}

function fillSeries(series, opts, config) {
  var index = 0;
  for (var i = 0; i < series.length; i++) {
    let item = series[i];
    if (!item.color) {
      item.color = config.color[index];
      index = (index + 1) % config.color.length;
    }
    if (!item.linearIndex) {
      item.linearIndex = i;
    }
    if (!item.index) {
      item.index = 0;
    }
    if (!item.type) {
      item.type = opts.type;
    }
    if (typeof item.show == "undefined") {
      item.show = true;
    }
    if (!item.type) {
      item.type = opts.type;
    }
    if (!item.pointShape) {
      item.pointShape = "circle";
    }
    if (!item.legendShape) {
      switch (item.type) {
        case 'line':
          item.legendShape = "line";
          break;
        case 'column':
          item.legendShape = "rect";
          break;
        case 'area':
          item.legendShape = "triangle";
          break;
        case 'bar':
          item.legendShape = "rect";
          break;
        default:
          item.legendShape = "circle";
      }
    }
  }
  return series;
}

function fillCustomColor(linearType, customColor, series, config) {
  var newcolor = customColor || [];
  if (linearType == 'custom' && newcolor.length == 0 ) {
    newcolor = config.linearColor;
  }
  if (linearType == 'custom' && newcolor.length < series.length) {
    let chazhi = series.length - newcolor.length;
    for (var i = 0; i < chazhi; i++) {
      newcolor.push(config.linearColor[(i + 1) % config.linearColor.length]);
    }
  }
  return newcolor;
}
  
function getDataRange(minData, maxData) {
  var limit = 0;
  var range = maxData - minData;
  if (range >= 10000) {
    limit = 1000;
  } else if (range >= 1000) {
    limit = 100;
  } else if (range >= 100) {
    limit = 10;
  } else if (range >= 10) {
    limit = 5;
  } else if (range >= 1) {
    limit = 1;
  } else if (range >= 0.1) {
    limit = 0.1;
  } else if (range >= 0.01) {
    limit = 0.01;
  } else if (range >= 0.001) {
    limit = 0.001;
  } else if (range >= 0.0001) {
    limit = 0.0001;
  } else if (range >= 0.00001) {
    limit = 0.00001;
  } else {
    limit = 0.000001;
  }
  return {
    minRange: findRange(minData, 'lower', limit),
    maxRange: findRange(maxData, 'upper', limit)
  };
}

function measureText(text, fontSize, context) {
  var width = 0;
  text = String(text);
  // #ifdef MP-ALIPAY || MP-BAIDU || APP-NVUE
  context = false;
  // #endif
  if (context !== false && context !== undefined && context.setFontSize && context.measureText) {
    context.setFontSize(fontSize);
    return context.measureText(text).width;
  } else {
    var text = text.split('');
    for (let i = 0; i < text.length; i++) {
      let item = text[i];
      if (/[a-zA-Z]/.test(item)) {
        width += 7;
      } else if (/[0-9]/.test(item)) {
        width += 5.5;
      } else if (/\./.test(item)) {
        width += 2.7;
      } else if (/-/.test(item)) {
        width += 3.25;
      } else if (/:/.test(item)) {
        width += 2.5;
      } else if (/[\u4e00-\u9fa5]/.test(item)) {
        width += 10;
      } else if (/\(|\)/.test(item)) {
        width += 3.73;
      } else if (/\s/.test(item)) {
        width += 2.5;
      } else if (/%/.test(item)) {
        width += 8;
      } else {
        width += 10;
      }
    }
    return width * fontSize / 10;
  }
}

function dataCombine(series) {
  return series.reduce(function(a, b) {
    return (a.data ? a.data : a).concat(b.data);
  }, []);
}

function dataCombineStack(series, len) {
  var sum = new Array(len);
  for (var j = 0; j < sum.length; j++) {
    sum[j] = 0;
  }
  for (var i = 0; i < series.length; i++) {
    for (var j = 0; j < sum.length; j++) {
      sum[j] += series[i].data[j];
    }
  }
  return series.reduce(function(a, b) {
    return (a.data ? a.data : a).concat(b.data).concat(sum);
  }, []);
}

function getTouches(touches, opts, e) {
  let x, y;
  if (touches.clientX) {
    if (opts.rotate) {
      y = opts.height - touches.clientX * opts.pix;
      x = (touches.pageY - e.currentTarget.offsetTop - (opts.height / opts.pix / 2) * (opts.pix - 1)) * opts.pix;
    } else {
      x = touches.clientX * opts.pix;
      y = (touches.pageY - e.currentTarget.offsetTop - (opts.height / opts.pix / 2) * (opts.pix - 1)) * opts.pix;
    }
  } else {
    if (opts.rotate) {
      y = opts.height - touches.x * opts.pix;
      x = touches.y * opts.pix;
    } else {
      x = touches.x * opts.pix;
      y = touches.y * opts.pix;
    }
  }
  return {
    x: x,
    y: y
  }
}

function getSeriesDataItem(series, index, group) {
	console.log(series,index,group)
  var data = [];
  var newSeries = [];
  var indexIsArr = index.constructor.toString().indexOf('Array') > -1;
  if(indexIsArr){
    let tempSeries = filterSeries(series);
    for (var i = 0; i < group.length; i++) {
      newSeries.push(tempSeries[group[i]]);
    }
  }else{
    newSeries = series;
  };
  for (let i = 0; i < newSeries.length; i++) {
    let item = newSeries[i];
    let tmpindex = -1;
    if(indexIsArr){
      tmpindex = index[i];
    }else{
      tmpindex = index;
    }
    if (item.data[tmpindex] !== null && typeof item.data[tmpindex] !== 'undefined' && item.show) {
      let seriesItem = {};
      seriesItem.color = item.color;
      seriesItem.type = item.type;
      seriesItem.style = item.style;
      seriesItem.pointShape = item.pointShape;
      seriesItem.disableLegend = item.disableLegend;
      seriesItem.name = item.name;
      seriesItem.show = item.show;
      seriesItem.data = item.formatter ? item.formatter(item.data[tmpindex]) : item.data[tmpindex];
      data.push(seriesItem);
    }
  }
  return data;
}

function getMaxTextListLength(list, fontSize, context) {
  var lengthList = list.map(function(item) {
    return measureText(item, fontSize, context);
  });
  return Math.max.apply(null, lengthList);
}

function getRadarCoordinateSeries(length) {
  var eachAngle = 2 * Math.PI / length;
  var CoordinateSeries = [];
  for (var i = 0; i < length; i++) {
    CoordinateSeries.push(eachAngle * i);
  }
  return CoordinateSeries.map(function(item) {
    return -1 * item + Math.PI / 2;
  });
}

function getToolTipData(seriesData, opts, index, group, categories) {
  var option = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {};
  var calPoints = opts.chartData.calPoints?opts.chartData.calPoints:[];
  let points = {};
  if(group.length > 0){
    let filterPoints = [];
    for (let i = 0; i < group.length; i++) {
      filterPoints.push(calPoints[group[i]])
    }
    points = filterPoints[0][index[0]];
  }else{
    points = calPoints[0][index];
  };
  var textList = seriesData.map(function(item) {
    let titleText = null;
    if (opts.categories && opts.categories.length>0) {
      titleText = categories[index];
    };
    return {
      text: option.formatter ? option.formatter(item, titleText, index, opts) : item.name + ': ' + item.data,
      color: item.color
    };
  });
  var offset = {
    x: Math.round(points.x),
    y: Math.round(points.y)
  };
  return {
    textList: textList,
    offset: offset
  };
}

function getMixToolTipData(seriesData, opts, index, categories) {
  var option = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
  var points = opts.chartData.xAxisPoints[index] + opts.chartData.eachSpacing / 2;
  var textList = seriesData.map(function(item) {
    return {
      text: option.formatter ? option.formatter(item, categories[index], index, opts) : item.name + ': ' + item.data,
      color: item.color,
      disableLegend: item.disableLegend ? true : false
    };
  });
  textList = textList.filter(function(item) {
    if (item.disableLegend !== true) {
      return item;
    }
  });
  var offset = {
    x: Math.round(points),
    y: 0
  };
  return {
    textList: textList,
    offset: offset
  };
}

function getCandleToolTipData(series, seriesData, opts, index, categories, extra) {
  var option = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : {};
  var calPoints = opts.chartData.calPoints;
  let upColor = extra.color.upFill;
  let downColor = extra.color.downFill;
  //颜色顺序为开盘，收盘，最低，最高
  let color = [upColor, upColor, downColor, upColor];
  var textList = [];
  seriesData.map(function(item) {
    if (index == 0) {
      if (item.data[1] - item.data[0] < 0) {
        color[1] = downColor;
      } else {
        color[1] = upColor;
      }
    } else {
      if (item.data[0] < series[index - 1][1]) {
        color[0] = downColor;
      }
      if (item.data[1] < item.data[0]) {
        color[1] = downColor;
      }
      if (item.data[2] > series[index - 1][1]) {
        color[2] = upColor;
      }
      if (item.data[3] < series[index - 1][1]) {
        color[3] = downColor;
      }
    }
    let text1 = {
      text: '开盘：' + item.data[0],
      color: color[0]
    };
    let text2 = {
      text: '收盘：' + item.data[1],
      color: color[1]
    };
    let text3 = {
      text: '最低：' + item.data[2],
      color: color[2]
    };
    let text4 = {
      text: '最高：' + item.data[3],
      color: color[3]
    };
    textList.push(text1, text2, text3, text4);
  });
  var validCalPoints = [];
  var offset = {
    x: 0,
    y: 0
  };
  for (let i = 0; i < calPoints.length; i++) {
    let points = calPoints[i];
    if (typeof points[index] !== 'undefined' && points[index] !== null) {
      validCalPoints.push(points[index]);
    }
  }
  offset.x = Math.round(validCalPoints[0][0].x);
  return {
    textList: textList,
    offset: offset
  };
}

function filterSeries(series) {
  let tempSeries = [];
  for (let i = 0; i < series.length; i++) {
    if (series[i].show == true) {
      tempSeries.push(series[i])
    }
  }
  return tempSeries;
}

function findCurrentIndex(currentPoints, calPoints, opts, config) {
  var offset = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0;
  var current={ index:-1, group:[] };
  var spacing = opts.chartData.eachSpacing / 2;
  let xAxisPoints = [];
  if (calPoints && calPoints.length > 0) {
    if (!opts.categories) {
      spacing = 0;
    }else{
      for (let i = 1; i < opts.chartData.xAxisPoints.length; i++) {
        xAxisPoints.push(opts.chartData.xAxisPoints[i] - spacing);
      }
      if ((opts.type == 'line' || opts.type == 'area') && opts.xAxis.boundaryGap == 'justify') {
        xAxisPoints = opts.chartData.xAxisPoints;
      }
    }
    if (isInExactChartArea(currentPoints, opts, config)) {
      if (!opts.categories) {
        let timePoints = Array(calPoints.length);
        for (let i = 0; i < calPoints.length; i++) {
          timePoints[i] = Array(calPoints[i].length)
          for (let j = 0; j < calPoints[i].length; j++) {
            timePoints[i][j] = (Math.abs(calPoints[i][j].x - currentPoints.x));
          }
        };
        let pointValue =  Array(timePoints.length);
        let pointIndex =  Array(timePoints.length);
        for (let i = 0; i < timePoints.length; i++) {
          pointValue[i] = Math.min.apply(null, timePoints[i]);
          pointIndex[i] = timePoints[i].indexOf(pointValue[i]);
        }
        let minValue = Math.min.apply(null, pointValue);
        current.index = [];
        for (let i = 0; i < pointValue.length; i++) {
          if(pointValue[i] == minValue){
            current.group.push(i);
            current.index.push(pointIndex[i]);
          }
        };
      }else{
        xAxisPoints.forEach(function(item, index) {
          if (currentPoints.x + offset + spacing > item) {
            current.index = index;
          }
        });
      }
    }
  }
  return current;
}

function findBarChartCurrentIndex(currentPoints, calPoints, opts, config) {
  var offset = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0;
  var current={ index:-1, group:[] };
  var spacing = opts.chartData.eachSpacing / 2;
  let yAxisPoints = opts.chartData.yAxisPoints;
  if (calPoints && calPoints.length > 0) {
    if (isInExactChartArea(currentPoints, opts, config)) {
      yAxisPoints.forEach(function(item, index) {
        if (currentPoints.y + offset + spacing > item) {
          current.index = index;
        }
      });
    }
  }
  return current;
}

function findLegendIndex(currentPoints, legendData, opts) {
  let currentIndex = -1;
  let gap = 0;
  if (isInExactLegendArea(currentPoints, legendData.area)) {
    let points = legendData.points;
    let index = -1;
    for (let i = 0, len = points.length; i < len; i++) {
      let item = points[i];
      for (let j = 0; j < item.length; j++) {
        index += 1;
        let area = item[j]['area'];
        if (area && currentPoints.x > area[0] - gap && currentPoints.x < area[2] + gap && currentPoints.y > area[1] - gap && currentPoints.y < area[3] + gap) {
          currentIndex = index;
          break;
        }
      }
    }
    return currentIndex;
  }
  return currentIndex;
}

function isInExactLegendArea(currentPoints, area) {
  return currentPoints.x > area.start.x && currentPoints.x < area.end.x && currentPoints.y > area.start.y && currentPoints.y < area.end.y;
}

function isInExactChartArea(currentPoints, opts, config) {
  return currentPoints.x <= opts.width - opts.area[1] + 10 && currentPoints.x >= opts.area[3] - 10 && currentPoints.y >= opts.area[0] && currentPoints.y <= opts.height - opts.area[2];
}

function findRadarChartCurrentIndex(currentPoints, radarData, count) {
  var eachAngleArea = 2 * Math.PI / count;
  var currentIndex = -1;
  if (isInExactPieChartArea(currentPoints, radarData.center, radarData.radius)) {
    var fixAngle = function fixAngle(angle) {
      if (angle < 0) {
        angle += 2 * Math.PI;
      }
      if (angle > 2 * Math.PI) {
        angle -= 2 * Math.PI;
      }
      return angle;
    };
    var angle = Math.atan2(radarData.center.y - currentPoints.y, currentPoints.x - radarData.center.x);
    angle = -1 * angle;
    if (angle < 0) {
      angle += 2 * Math.PI;
    }
    var angleList = radarData.angleList.map(function(item) {
      item = fixAngle(-1 * item);
      return item;
    });
    angleList.forEach(function(item, index) {
      var rangeStart = fixAngle(item - eachAngleArea / 2);
      var rangeEnd = fixAngle(item + eachAngleArea / 2);
      if (rangeEnd < rangeStart) {
        rangeEnd += 2 * Math.PI;
      }
      if (angle >= rangeStart && angle <= rangeEnd || angle + 2 * Math.PI >= rangeStart && angle + 2 * Math.PI <= rangeEnd) {
        currentIndex = index;
      }
    });
  }
  return currentIndex;
}

function findFunnelChartCurrentIndex(currentPoints, funnelData) {
  var currentIndex = -1;
  for (var i = 0, len = funnelData.series.length; i < len; i++) {
    var item = funnelData.series[i];
    if (currentPoints.x > item.funnelArea[0] && currentPoints.x < item.funnelArea[2] && currentPoints.y > item.funnelArea[1] && currentPoints.y < item.funnelArea[3]) {
      currentIndex = i;
      break;
    }
  }
  return currentIndex;
}

function findWordChartCurrentIndex(currentPoints, wordData) {
  var currentIndex = -1;
  for (var i = 0, len = wordData.length; i < len; i++) {
    var item = wordData[i];
    if (currentPoints.x > item.area[0] && currentPoints.x < item.area[2] && currentPoints.y > item.area[1] && currentPoints.y < item.area[3]) {
      currentIndex = i;
      break;
    }
  }
  return currentIndex;
}

function findMapChartCurrentIndex(currentPoints, opts) {
  var currentIndex = -1;
  var cData = opts.chartData.mapData;
  var data = opts.series;
  var tmp = pointToCoordinate(currentPoints.y, currentPoints.x, cData.bounds, cData.scale, cData.xoffset, cData.yoffset);
  var poi = [tmp.x, tmp.y];
  for (var i = 0, len = data.length; i < len; i++) {
    var item = data[i].geometry.coordinates;
    if (isPoiWithinPoly(poi, item, opts.chartData.mapData.mercator)) {
      currentIndex = i;
      break;
    }
  }
  return currentIndex;
}

function findRoseChartCurrentIndex(currentPoints, pieData, opts) {
  var currentIndex = -1;
  var series = getRoseDataPoints(opts._series_, opts.extra.rose.type, pieData.radius, pieData.radius);
  if (pieData && pieData.center && isInExactPieChartArea(currentPoints, pieData.center, pieData.radius)) {
    var angle = Math.atan2(pieData.center.y - currentPoints.y, currentPoints.x - pieData.center.x);
    angle = -angle;
    if(opts.extra.rose && opts.extra.rose.offsetAngle){
      angle = angle - opts.extra.rose.offsetAngle * Math.PI / 180;
    }
    for (var i = 0, len = series.length; i < len; i++) {
      if (isInAngleRange(angle, series[i]._start_, series[i]._start_ + series[i]._rose_proportion_ * 2 * Math.PI)) {
        currentIndex = i;
        break;
      }
    }
  }
  return currentIndex;
}

function findPieChartCurrentIndex(currentPoints, pieData, opts) {
  var currentIndex = -1;
  var series = getPieDataPoints(pieData.series);
  if (pieData && pieData.center && isInExactPieChartArea(currentPoints, pieData.center, pieData.radius)) {
    var angle = Math.atan2(pieData.center.y - currentPoints.y, currentPoints.x - pieData.center.x);
    angle = -angle;
    if(opts.extra.pie && opts.extra.pie.offsetAngle){
      angle = angle - opts.extra.pie.offsetAngle * Math.PI / 180;
    }
    if(opts.extra.ring && opts.extra.ring.offsetAngle){
      angle = angle - opts.extra.ring.offsetAngle * Math.PI / 180;
    }
    for (var i = 0, len = series.length; i < len; i++) {
      if (isInAngleRange(angle, series[i]._start_, series[i]._start_ + series[i]._proportion_ * 2 * Math.PI)) {
        currentIndex = i;
        break;
      }
    }
  }
  return currentIndex;
}

function isInExactPieChartArea(currentPoints, center, radius) {
  return Math.pow(currentPoints.x - center.x, 2) + Math.pow(currentPoints.y - center.y, 2) <= Math.pow(radius, 2);
}

function splitPoints(points,eachSeries) {
  var newPoints = [];
  var items = [];
  points.forEach(function(item, index) {
    if(eachSeries.connectNulls){
      if (item !== null) {
        items.push(item);
      }
    }else{
      if (item !== null) {
        items.push(item);
      } else {
        if (items.length) {
          newPoints.push(items);
        }
        items = [];
      }
    }
    
  });
  if (items.length) {
    newPoints.push(items);
  }
  return newPoints;
}

function calLegendData(series, opts, config, chartData, context) {
  let legendData = {
    area: {
      start: {
        x: 0,
        y: 0
      },
      end: {
        x: 0,
        y: 0
      },
      width: 0,
      height: 0,
      wholeWidth: 0,
      wholeHeight: 0
    },
    points: [],
    widthArr: [],
    heightArr: []
  };
  if (opts.legend.show === false) {
    chartData.legendData = legendData;
    return legendData;
  }
  let padding = opts.legend.padding * opts.pix;
  let margin = opts.legend.margin * opts.pix;
  let fontSize = opts.legend.fontSize ? opts.legend.fontSize * opts.pix : config.fontSize;
  let shapeWidth = 15 * opts.pix;
  let shapeRight = 5 * opts.pix;
  let lineHeight = Math.max(opts.legend.lineHeight * opts.pix, fontSize);
  if (opts.legend.position == 'top' || opts.legend.position == 'bottom') {
    let legendList = [];
    let widthCount = 0;
    let widthCountArr = [];
    let currentRow = [];
    for (let i = 0; i < series.length; i++) {
      let item = series[i];
      let itemWidth = shapeWidth + shapeRight + measureText(item.name || 'undefined', fontSize, context) + opts.legend.itemGap * opts.pix;
      if (widthCount + itemWidth > opts.width - opts.area[1] - opts.area[3]) {
        legendList.push(currentRow);
        widthCountArr.push(widthCount - opts.legend.itemGap * opts.pix);
        widthCount = itemWidth;
        currentRow = [item];
      } else {
        widthCount += itemWidth;
        currentRow.push(item);
      }
    }
    if (currentRow.length) {
      legendList.push(currentRow);
      widthCountArr.push(widthCount - opts.legend.itemGap * opts.pix);
      legendData.widthArr = widthCountArr;
      let legendWidth = Math.max.apply(null, widthCountArr);
      switch (opts.legend.float) {
        case 'left':
          legendData.area.start.x = opts.area[3];
          legendData.area.end.x = opts.area[3] + legendWidth + 2 * padding;
          break;
        case 'right':
          legendData.area.start.x = opts.width - opts.area[1] - legendWidth - 2 * padding;
          legendData.area.end.x = opts.width - opts.area[1];
          break;
        default:
          legendData.area.start.x = (opts.width - legendWidth) / 2 - padding;
          legendData.area.end.x = (opts.width + legendWidth) / 2 + padding;
      }
      legendData.area.width = legendWidth + 2 * padding;
      legendData.area.wholeWidth = legendWidth + 2 * padding;
      legendData.area.height = legendList.length * lineHeight + 2 * padding;
      legendData.area.wholeHeight = legendList.length * lineHeight + 2 * padding + 2 * margin;
      legendData.points = legendList;
    }
  } else {
    let len = series.length;
    let maxHeight = opts.height - opts.area[0] - opts.area[2] - 2 * margin - 2 * padding;
    let maxLength = Math.min(Math.floor(maxHeight / lineHeight), len);
    legendData.area.height = maxLength * lineHeight + padding * 2;
    legendData.area.wholeHeight = maxLength * lineHeight + padding * 2;
    switch (opts.legend.float) {
      case 'top':
        legendData.area.start.y = opts.area[0] + margin;
        legendData.area.end.y = opts.area[0] + margin + legendData.area.height;
        break;
      case 'bottom':
        legendData.area.start.y = opts.height - opts.area[2] - margin - legendData.area.height;
        legendData.area.end.y = opts.height - opts.area[2] - margin;
        break;
      default:
        legendData.area.start.y = (opts.height - legendData.area.height) / 2;
        legendData.area.end.y = (opts.height + legendData.area.height) / 2;
    }
    let lineNum = len % maxLength === 0 ? len / maxLength : Math.floor((len / maxLength) + 1);
    let currentRow = [];
    for (let i = 0; i < lineNum; i++) {
      let temp = series.slice(i * maxLength, i * maxLength + maxLength);
      currentRow.push(temp);
    }
    legendData.points = currentRow;
    if (currentRow.length) {
      for (let i = 0; i < currentRow.length; i++) {
        let item = currentRow[i];
        let maxWidth = 0;
        for (let j = 0; j < item.length; j++) {
          let itemWidth = shapeWidth + shapeRight + measureText(item[j].name || 'undefined', fontSize, context) + opts.legend.itemGap * opts.pix;
          if (itemWidth > maxWidth) {
            maxWidth = itemWidth;
          }
        }
        legendData.widthArr.push(maxWidth);
        legendData.heightArr.push(item.length * lineHeight + padding * 2);
      }
      let legendWidth = 0
      for (let i = 0; i < legendData.widthArr.length; i++) {
        legendWidth += legendData.widthArr[i];
      }
      legendData.area.width = legendWidth - opts.legend.itemGap * opts.pix + 2 * padding;
      legendData.area.wholeWidth = legendData.area.width + padding;
    }
  }
  switch (opts.legend.position) {
    case 'top':
      legendData.area.start.y = opts.area[0] + margin;
      legendData.area.end.y = opts.area[0] + margin + legendData.area.height;
      break;
    case 'bottom':
      legendData.area.start.y = opts.height - opts.area[2] - legendData.area.height - margin;
      legendData.area.end.y = opts.height - opts.area[2] - margin;
      break;
    case 'left':
      legendData.area.start.x = opts.area[3];
      legendData.area.end.x = opts.area[3] + legendData.area.width;
      break;
    case 'right':
      legendData.area.start.x = opts.width - opts.area[1] - legendData.area.width;
      legendData.area.end.x = opts.width - opts.area[1];
      break;
  }
  chartData.legendData = legendData;
  return legendData;
}

function calCategoriesData(categories, opts, config, eachSpacing, context) {
  var result = {
    angle: 0,
    xAxisHeight: config.xAxisHeight
  };
  var categoriesTextLenth = categories.map(function(item) {
    return measureText(item, opts.xAxis.fontSize * opts.pix || config.fontSize, context);
  });
  var maxTextLength = Math.max.apply(this, categoriesTextLenth);

  if (opts.xAxis.rotateLabel == true && maxTextLength + 2 * config.xAxisTextPadding > eachSpacing) {
    result.angle = 45 * Math.PI / 180;
    result.xAxisHeight = 2 * config.xAxisTextPadding + maxTextLength * Math.sin(result.angle);
  }
  return result;
}

function getXAxisTextList(series, opts, config, stack) {
  var index = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : -1;
  var data;
  if (stack == 'stack') {
    data = dataCombineStack(series, opts.categories.length);
  } else {
    data = dataCombine(series);
  }
  var sorted = [];
  // remove null from data
  data = data.filter(function(item) {
    //return item !== null;
    if (typeof item === 'object' && item !== null) {
      if (item.constructor.toString().indexOf('Array') > -1) {
        return item !== null;
      } else {
        return item.value !== null;
      }
    } else {
      return item !== null;
    }
  });
  data.map(function(item) {
    if (typeof item === 'object') {
      if (item.constructor.toString().indexOf('Array') > -1) {
        if (opts.type == 'candle') {
          item.map(function(subitem) {
            sorted.push(subitem);
          })
        } else {
          sorted.push(item[0]);
        }
      } else {
        sorted.push(item.value);
      }
    } else {
      sorted.push(item);
    }
  })

  var minData = 0;
  var maxData = 0;
  if (sorted.length > 0) {
    minData = Math.min.apply(this, sorted);
    maxData = Math.max.apply(this, sorted);
  }
  //为了兼容v1.9.0之前的项目
  if (index > -1) {
    if (typeof opts.xAxis.data[index].min === 'number') {
      minData = Math.min(opts.xAxis.data[index].min, minData);
    }
    if (typeof opts.xAxis.data[index].max === 'number') {
      maxData = Math.max(opts.xAxis.data[index].max, maxData);
    }
  } else {
    if (typeof opts.xAxis.min === 'number') {
      minData = Math.min(opts.xAxis.min, minData);
    }
    if (typeof opts.xAxis.max === 'number') {
      maxData = Math.max(opts.xAxis.max, maxData);
    }
  }
  if (minData === maxData) {
    var rangeSpan = maxData || 10;
    maxData += rangeSpan;
  }
  //var dataRange = getDataRange(minData, maxData);
  var minRange = minData;
  var maxRange = maxData;
  var range = [];
  var eachRange = (maxRange - minRange) / opts.xAxis.splitNumber;
  for (var i = 0; i <= opts.xAxis.splitNumber; i++) {
    range.push(minRange + eachRange * i);
  }
  return range;
}

function calXAxisData(series, opts, config, context) {
  //堆叠图重算Y轴
  var columnstyle = assign({}, {
    type: ""
  }, opts.extra.bar);
  var result = {
    angle: 0,
    xAxisHeight: config.xAxisHeight
  };
  result.ranges = getXAxisTextList(series, opts, config, columnstyle.type);
  result.rangesFormat = result.ranges.map(function(item) {
    //item = opts.xAxis.formatter ? opts.xAxis.formatter(item) : util.toFixed(item, 2);
    item = util.toFixed(item, 2);
    return item;
  });
  var xAxisScaleValues = result.ranges.map(function(item) {
    // 如果刻度值是浮点数,则保留两位小数
    item = util.toFixed(item, 2);
    // 若有自定义格式则调用自定义的格式化函数
    //item = opts.xAxis.formatter ? opts.xAxis.formatter(Number(item)) : item;
    return item;
  });
  result = Object.assign(result, getXAxisPoints(xAxisScaleValues, opts, config));
  // 计算X轴刻度的属性譬如每个刻度的间隔,刻度的起始点\结束点以及总长
  var eachSpacing = result.eachSpacing;
  var textLength = xAxisScaleValues.map(function(item) {
    return measureText(item, opts.xAxis.fontSize * opts.pix || config.fontSize, context);
  });
  // get max length of categories text
  var maxTextLength = Math.max.apply(this, textLength);
  // 如果刻度值文本内容过长,则将其逆时针旋转45°
  if (maxTextLength + 2 * config.xAxisTextPadding > eachSpacing) {
    result.angle = 45 * Math.PI / 180;
    result.xAxisHeight = 2 * config.xAxisTextPadding + maxTextLength * Math.sin(result.angle);
  }
  if (opts.xAxis.disabled === true) {
    result.xAxisHeight = 0;
  }
  return result;
}

function getRadarDataPoints(angleList, center, radius, series, opts) {
  var process = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 1;
  var radarOption = opts.extra.radar || {};
  radarOption.max = radarOption.max || 0;
  var maxData = Math.max(radarOption.max, Math.max.apply(null, dataCombine(series)));
  var data = [];
  for (let i = 0; i < series.length; i++) {
    let each = series[i];
    let listItem = {};
    listItem.color = each.color;
    listItem.legendShape = each.legendShape;
    listItem.pointShape = each.pointShape;
    listItem.data = [];
    each.data.forEach(function(item, index) {
      let tmp = {};
      tmp.angle = angleList[index];
      tmp.proportion = item / maxData;
      tmp.value = item;
      tmp.position = convertCoordinateOrigin(radius * tmp.proportion * process * Math.cos(tmp.angle), radius * tmp.proportion * process * Math.sin(tmp.angle), center);
      listItem.data.push(tmp);
    });
    data.push(listItem);
  }
  return data;
}

function getPieDataPoints(series, radius) {
  var process = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
  var count = 0;
  var _start_ = 0;
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    item.data = item.data === null ? 0 : item.data;
    count += item.data;
  }
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    item.data = item.data === null ? 0 : item.data;
    if (count === 0) {
      item._proportion_ = 1 / series.length * process;
    } else {
      item._proportion_ = item.data / count * process;
    }
    item._radius_ = radius;
  }
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    item._start_ = _start_;
    _start_ += 2 * item._proportion_ * Math.PI;
  }
  return series;
}

function getFunnelDataPoints(series, radius, type, eachSpacing) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  series = series.sort(function(a, b) {
    return parseInt(b.data) - parseInt(a.data);
  });
  for (let i = 0; i < series.length; i++) {
    if(type == 'funnel'){
      series[i].radius = series[i].data / series[0].data * radius * process;
    }else{
      series[i].radius =  (eachSpacing * (series.length - i)) / (eachSpacing * series.length) * radius * process;
    }
    series[i]._proportion_ = series[i].data / series[0].data;
  }
  if(type !== 'pyramid'){
    series.reverse();
  }
  return series;
}

function getRoseDataPoints(series, type, minRadius, radius) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  var count = 0;
  var _start_ = 0;
  var dataArr = [];
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    item.data = item.data === null ? 0 : item.data;
    count += item.data;
    dataArr.push(item.data);
  }
  var minData = Math.min.apply(null, dataArr);
  var maxData = Math.max.apply(null, dataArr);
  var radiusLength = radius - minRadius;
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    item.data = item.data === null ? 0 : item.data;
    if (count === 0) {
      item._proportion_ = 1 / series.length * process;
      item._rose_proportion_ = 1 / series.length * process;
    } else {
      item._proportion_ = item.data / count * process;
      if(type == 'area'){
        item._rose_proportion_ = 1 / series.length * process;
      }else{
        item._rose_proportion_ = item.data / count * process;
      }
    }
    item._radius_ = minRadius + radiusLength * ((item.data - minData) / (maxData - minData)) || radius;
  }
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    item._start_ = _start_;
    _start_ += 2 * item._rose_proportion_ * Math.PI;
  }
  return series;
}

function getArcbarDataPoints(series, arcbarOption) {
  var process = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
  if (process == 1) {
    process = 0.999999;
  }
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    item.data = item.data === null ? 0 : item.data;
    let totalAngle;
    if (arcbarOption.type == 'circle') {
      totalAngle = 2;
    } else {
      if (arcbarOption.endAngle < arcbarOption.startAngle) {
        totalAngle = 2 + arcbarOption.endAngle - arcbarOption.startAngle;
      } else {
        totalAngle = arcbarOption.startAngle - arcbarOption.endAngle;
      }
    }
    item._proportion_ = totalAngle * item.data * process + arcbarOption.startAngle;
    if (item._proportion_ >= 2) {
      item._proportion_ = item._proportion_ % 2;
    }
  }
  return series;
}

function getGaugeAxisPoints(categories, startAngle, endAngle) {
  let totalAngle = startAngle - endAngle + 1;
  let tempStartAngle = startAngle;
  for (let i = 0; i < categories.length; i++) {
    categories[i].value = categories[i].value === null ? 0 : categories[i].value;
    categories[i]._startAngle_ = tempStartAngle;
    categories[i]._endAngle_ = totalAngle * categories[i].value + startAngle;
    if (categories[i]._endAngle_ >= 2) {
      categories[i]._endAngle_ = categories[i]._endAngle_ % 2;
    }
    tempStartAngle = categories[i]._endAngle_;
  }
  return categories;
}

function getGaugeDataPoints(series, categories, gaugeOption) {
  let process = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 1;
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    item.data = item.data === null ? 0 : item.data;
    if (gaugeOption.pointer.color == 'auto') {
      for (let i = 0; i < categories.length; i++) {
        if (item.data <= categories[i].value) {
          item.color = categories[i].color;
          break;
        }
      }
    } else {
      item.color = gaugeOption.pointer.color;
    }
    let totalAngle = gaugeOption.startAngle - gaugeOption.endAngle + 1;
    item._endAngle_ = totalAngle * item.data + gaugeOption.startAngle;
    item._oldAngle_ = gaugeOption.oldAngle;
    if (gaugeOption.oldAngle < gaugeOption.endAngle) {
      item._oldAngle_ += 2;
    }
    if (item.data >= gaugeOption.oldData) {
      item._proportion_ = (item._endAngle_ - item._oldAngle_) * process + gaugeOption.oldAngle;
    } else {
      item._proportion_ = item._oldAngle_ - (item._oldAngle_ - item._endAngle_) * process;
    }
    if (item._proportion_ >= 2) {
      item._proportion_ = item._proportion_ % 2;
    }
  }
  return series;
}

function getPieTextMaxLength(series, config, context, opts) {
  series = getPieDataPoints(series);
  let maxLength = 0;
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    let text = item.formatter ? item.formatter(+item._proportion_.toFixed(2)) : util.toFixed(item._proportion_ * 100) + '%';
    maxLength = Math.max(maxLength, measureText(text, item.textSize * opts.pix || config.fontSize, context));
  }
  return maxLength;
}

function fixColumeData(points, eachSpacing, columnLen, index, config, opts) {
  return points.map(function(item) {
    if (item === null) {
      return null;
    }
    var seriesGap = 0;
    var categoryGap = 0;
    if (opts.type == 'mix') {
      seriesGap = opts.extra.mix.column.seriesGap * opts.pix || 0;
      categoryGap = opts.extra.mix.column.categoryGap * opts.pix || 0;
    } else {
      seriesGap = opts.extra.column.seriesGap * opts.pix || 0;
      categoryGap = opts.extra.column.categoryGap * opts.pix || 0;
    }
    seriesGap =  Math.min(seriesGap, eachSpacing / columnLen)
    categoryGap =  Math.min(categoryGap, eachSpacing / columnLen)
    item.width = Math.ceil((eachSpacing - 2 * categoryGap - seriesGap * (columnLen - 1)) / columnLen);
    if (opts.extra.mix && opts.extra.mix.column.width && +opts.extra.mix.column.width > 0) {
      item.width = Math.min(item.width, +opts.extra.mix.column.width * opts.pix);
    }
    if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) {
      item.width = Math.min(item.width, +opts.extra.column.width * opts.pix);
    }
    if (item.width <= 0) {
      item.width = 1;
    }
    item.x += (index + 0.5 - columnLen / 2) * (item.width + seriesGap);
    return item;
  });
}

function fixBarData(points, eachSpacing, columnLen, index, config, opts) {
  return points.map(function(item) {
    if (item === null) {
      return null;
    }
    var seriesGap = 0;
    var categoryGap = 0;
    seriesGap = opts.extra.bar.seriesGap * opts.pix || 0;
    categoryGap = opts.extra.bar.categoryGap * opts.pix || 0;
    seriesGap =  Math.min(seriesGap, eachSpacing / columnLen)
    categoryGap =  Math.min(categoryGap, eachSpacing / columnLen)
    item.width = Math.ceil((eachSpacing - 2 * categoryGap - seriesGap * (columnLen - 1)) / columnLen);
    if (opts.extra.bar && opts.extra.bar.width && +opts.extra.bar.width > 0) {
      item.width = Math.min(item.width, +opts.extra.bar.width * opts.pix);
    }
    if (item.width <= 0) {
      item.width = 1;
    }
    item.y += (index + 0.5 - columnLen / 2) * (item.width + seriesGap);
    return item;
  });
}

function fixColumeMeterData(points, eachSpacing, columnLen, index, config, opts, border) {
  var categoryGap = opts.extra.column.categoryGap * opts.pix || 0;
  return points.map(function(item) {
    if (item === null) {
      return null;
    }
    item.width = Math.ceil(eachSpacing - 2 * categoryGap);
    if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) {
      item.width = Math.min(item.width, +opts.extra.column.width * opts.pix);
    }
    if (index > 0) {
      item.width -= 2 * border;
    }
    return item;
  });
}

function fixColumeStackData(points, eachSpacing, columnLen, index, config, opts, series) {
  var categoryGap = opts.extra.column.categoryGap * opts.pix || 0;
  return points.map(function(item, indexn) {
    if (item === null) {
      return null;
    }
    item.width = Math.ceil(eachSpacing - 2 * categoryGap);
    if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) {
      item.width = Math.min(item.width, +opts.extra.column.width * opts.pix);
    }
    if (item.width <= 0) {
      item.width = 1;
    }
    return item;
  });
}

function fixBarStackData(points, eachSpacing, columnLen, index, config, opts, series) {
  var categoryGap = opts.extra.bar.categoryGap * opts.pix || 0;
  return points.map(function(item, indexn) {
    if (item === null) {
      return null;
    }
    item.width = Math.ceil(eachSpacing - 2 * categoryGap);
    if (opts.extra.bar && opts.extra.bar.width && +opts.extra.bar.width > 0) {
      item.width = Math.min(item.width, +opts.extra.bar.width * opts.pix);
    }
    if (item.width <= 0) {
      item.width = 1;
    }
    return item;
  });
}

function getXAxisPoints(categories, opts, config) {
  var spacingValid = opts.width - opts.area[1] - opts.area[3];
  var dataCount = opts.enableScroll ? Math.min(opts.xAxis.itemCount, categories.length) : categories.length;
  if ((opts.type == 'line' || opts.type == 'area' || opts.type == 'scatter' || opts.type == 'bubble' || opts.type == 'bar') && dataCount > 1 && opts.xAxis.boundaryGap == 'justify') {
    dataCount -= 1;
  }
  var eachSpacing = spacingValid / dataCount;
  var xAxisPoints = [];
  var startX = opts.area[3];
  var endX = opts.width - opts.area[1];
  categories.forEach(function(item, index) {
    xAxisPoints.push(startX + index * eachSpacing);
  });
  if (opts.xAxis.boundaryGap !== 'justify') {
    if (opts.enableScroll === true) {
      xAxisPoints.push(startX + categories.length * eachSpacing);
    } else {
      xAxisPoints.push(endX);
    }
  }
  return {
    xAxisPoints: xAxisPoints,
    startX: startX,
    endX: endX,
    eachSpacing: eachSpacing
  };
}

function getCandleDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config) {
  var process = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : 1;
  var points = [];
  var validHeight = opts.height - opts.area[0] - opts.area[2];
  data.forEach(function(item, index) {
    if (item === null) {
      points.push(null);
    } else {
      var cPoints = [];
      item.forEach(function(items, indexs) {
        var point = {};
        point.x = xAxisPoints[index] + Math.round(eachSpacing / 2);
        var value = items.value || items;
        var height = validHeight * (value - minRange) / (maxRange - minRange);
        height *= process;
        point.y = opts.height - Math.round(height) - opts.area[2];
        cPoints.push(point);
      });
      points.push(cPoints);
    }
  });
  return points;
}

function getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config) {
  var process = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : 1;
  var boundaryGap = 'center';
  if (opts.type == 'line' || opts.type == 'area' || opts.type == 'scatter' || opts.type == 'bubble' ) {
    boundaryGap = opts.xAxis.boundaryGap;
  }
  var points = [];
  var validHeight = opts.height - opts.area[0] - opts.area[2];
  var validWidth = opts.width - opts.area[1] - opts.area[3];
  data.forEach(function(item, index) {
    if (item === null) {
      points.push(null);
    } else {
      var point = {};
      point.color = item.color;
      point.x = xAxisPoints[index];
      var value = item;
      if (typeof item === 'object' && item !== null) {
        if (item.constructor.toString().indexOf('Array') > -1) {
          let xranges, xminRange, xmaxRange;
          xranges = [].concat(opts.chartData.xAxisData.ranges);
          xminRange = xranges.shift();
          xmaxRange = xranges.pop();
          value = item[1];
          point.x = opts.area[3] + validWidth * (item[0] - xminRange) / (xmaxRange - xminRange);
          if(opts.type == 'bubble'){
            point.r = item[2];
            point.t = item[3];
          }
        } else {
          value = item.value;
        }
      }
      if (boundaryGap == 'center') {
        point.x += eachSpacing / 2;
      }
      var height = validHeight * (value - minRange) / (maxRange - minRange);
      height *= process;
      point.y = opts.height - height - opts.area[2];
      points.push(point);
    }
  });
  return points;
}

function getBarDataPoints(data, minRange, maxRange, yAxisPoints, eachSpacing, opts, config) {
  var process = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : 1;
  var points = [];
  var validHeight = opts.height - opts.area[0] - opts.area[2];
  var validWidth = opts.width - opts.area[1] - opts.area[3];
  data.forEach(function(item, index) {
    if (item === null) {
      points.push(null);
    } else {
      var point = {};
      point.color = item.color;
      point.y = yAxisPoints[index];
      var value = item;
      if (typeof item === 'object' && item !== null) {
        value = item.value;
      }
      var height = validWidth * (value - minRange) / (maxRange - minRange);
      height *= process;
      point.height = height;
      point.value = value;
      point.x = height + opts.area[3];
      points.push(point);
    }
  });
  return points;
}

function getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, stackSeries) {
  var process = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : 1;
  var points = [];
  var validHeight = opts.height - opts.area[0] - opts.area[2];
  data.forEach(function(item, index) {
    if (item === null) {
      points.push(null);
    } else {
      var point = {};
      point.color = item.color;
      point.x = xAxisPoints[index] + Math.round(eachSpacing / 2);

      if (seriesIndex > 0) {
        var value = 0;
        for (let i = 0; i <= seriesIndex; i++) {
          value += stackSeries[i].data[index];
        }
        var value0 = value - item;
        var height = validHeight * (value - minRange) / (maxRange - minRange);
        var height0 = validHeight * (value0 - minRange) / (maxRange - minRange);
      } else {
        var value = item;
        var height = validHeight * (value - minRange) / (maxRange - minRange);
        var height0 = 0;
      }
      var heightc = height0;
      height *= process;
      heightc *= process;
      point.y = opts.height - Math.round(height) - opts.area[2];
      point.y0 = opts.height - Math.round(heightc) - opts.area[2];
      points.push(point);
    }
  });
  return points;
}

function getBarStackDataPoints(data, minRange, maxRange, yAxisPoints, eachSpacing, opts, config, seriesIndex, stackSeries) {
  var process = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : 1;
  var points = [];
  var validHeight = opts.width - opts.area[1] - opts.area[3];
  data.forEach(function(item, index) {
    if (item === null) {
      points.push(null);
    } else {
      var point = {};
      point.color = item.color;
      point.y = yAxisPoints[index];
      if (seriesIndex > 0) {
        var value = 0;
        for (let i = 0; i <= seriesIndex; i++) {
          value += stackSeries[i].data[index];
        }
        var value0 = value - item;
        var height = validHeight * (value - minRange) / (maxRange - minRange);
        var height0 = validHeight * (value0 - minRange) / (maxRange - minRange);
      } else {
        var value = item;
        var height = validHeight * (value - minRange) / (maxRange - minRange);
        var height0 = 0;
      }
      var heightc = height0;
      height *= process;
      heightc *= process;
      point.height = height - heightc;
      point.x = opts.area[3] + height;
      point.x0 = opts.area[3] + heightc;
      points.push(point);
    }
  });
  return points;
}

function getYAxisTextList(series, opts, config, stack, yData) {
  var index = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : -1;
  var data;
  if (stack == 'stack') {
    data = dataCombineStack(series, opts.categories.length);
  } else {
    data = dataCombine(series);
  }
  var sorted = [];
  // remove null from data
  data = data.filter(function(item) {
    //return item !== null;
    if (typeof item === 'object' && item !== null) {
      if (item.constructor.toString().indexOf('Array') > -1) {
        return item !== null;
      } else {
        return item.value !== null;
      }
    } else {
      return item !== null;
    }
  });
  data.map(function(item) {
    if (typeof item === 'object') {
      if (item.constructor.toString().indexOf('Array') > -1) {
        if (opts.type == 'candle') {
          item.map(function(subitem) {
            sorted.push(subitem);
          })
        } else {
          sorted.push(item[1]);
        }
      } else {
        sorted.push(item.value);
      }
    } else {
      sorted.push(item);
    }
  })
  var minData = yData.min || 0;
  var maxData = yData.max || 0;
  if (sorted.length > 0) {
    minData = Math.min.apply(this, sorted);
    maxData = Math.max.apply(this, sorted);
  }
  //为了兼容v1.9.0之前的项目
  // if (index > -1) {
  //   if (typeof opts.yAxis.data[index].min === 'number') {
  //     minData = Math.min(opts.yAxis.data[index].min, minData);
  //   }
  //   if (typeof opts.yAxis.data[index].max === 'number') {
  //     maxData = Math.max(opts.yAxis.data[index].max, maxData);
  //   }
  // } else {
  //   if (typeof opts.yAxis.min === 'number') {
  //     minData = Math.min(opts.yAxis.min, minData);
  //   }
  //   if (typeof opts.yAxis.max === 'number') {
  //     maxData = Math.max(opts.yAxis.max, maxData);
  //   }
  // }
  if (minData === maxData) {
    var rangeSpan = maxData || 10;
    maxData += rangeSpan;
  }
  var dataRange = getDataRange(minData, maxData);
  var minRange = yData.min === undefined || yData.min === null ? dataRange.minRange : yData.min;
  var maxRange = yData.max === undefined || yData.min === null ? dataRange.maxRange : yData.max;
  var range = [];
  var eachRange = (maxRange - minRange) / opts.yAxis.splitNumber;
  for (var i = 0; i <= opts.yAxis.splitNumber; i++) {
    range.push(minRange + eachRange * i);
  }
  return range.reverse();
}

function calYAxisData(series, opts, config, context) {
  //堆叠图重算Y轴
  var columnstyle = assign({}, {
    type: ""
  }, opts.extra.column);
  //如果是多Y轴，重新计算
  var YLength = opts.yAxis.data.length;
  var newSeries = new Array(YLength);
  if (YLength > 0) {
    for (let i = 0; i < YLength; i++) {
      newSeries[i] = [];
      for (let j = 0; j < series.length; j++) {
        if (series[j].index == i) {
          newSeries[i].push(series[j]);
        }
      }
    }
    var rangesArr = new Array(YLength);
    var rangesFormatArr = new Array(YLength);
    var yAxisWidthArr = new Array(YLength);

    for (let i = 0; i < YLength; i++) {
      let yData = opts.yAxis.data[i];
      //如果总开关不显示，强制每个Y轴为不显示
      if (opts.yAxis.disabled == true) {
        yData.disabled = true;
      }
      if(yData.type === 'categories'){
        if(!yData.formatter){
          yData.formatter = (val) => {return val + (yData.unit || '')};
        }
        yData.categories = yData.categories || opts.categories;
        rangesArr[i] = yData.categories;
      }else{
        if(!yData.formatter){
          yData.formatter = (val) => {return val.toFixed(yData.tofix) + (yData.unit || '')};
        }
        rangesArr[i] = getYAxisTextList(newSeries[i], opts, config, columnstyle.type, yData, i);
      }
      let yAxisFontSizes = yData.fontSize * opts.pix || config.fontSize;
      yAxisWidthArr[i] = {
        position: yData.position ? yData.position : 'left',
        width: 0
      };
      rangesFormatArr[i] = rangesArr[i].map(function(items) {
        items = yData.formatter(items);
        yAxisWidthArr[i].width = Math.max(yAxisWidthArr[i].width, measureText(items, yAxisFontSizes, context) + 5);
        return items;
      });
      let calibration = yData.calibration ? 4 * opts.pix : 0;
      yAxisWidthArr[i].width += calibration + 3 * opts.pix;
      if (yData.disabled === true) {
        yAxisWidthArr[i].width = 0;
      }
    }
  } else {
    var rangesArr = new Array(1);
    var rangesFormatArr = new Array(1);
    var yAxisWidthArr = new Array(1);
    if(opts.type === 'bar'){
      rangesArr[0] = opts.categories;
      if(!opts.yAxis.formatter){
        opts.yAxis.formatter = (val) => {return val + (opts.yAxis.unit || '')}
      }
    }else{
      if(!opts.yAxis.formatter){
        opts.yAxis.formatter = (val) => {return val.toFixed(opts.yAxis.tofix ) + (opts.yAxis.unit || '')}
      }
      rangesArr[0] = getYAxisTextList(series, opts, config, columnstyle.type, {});
    }
    yAxisWidthArr[0] = {
      position: 'left',
      width: 0
    };
    var yAxisFontSize = opts.yAxis.fontSize * opts.pix || config.fontSize;
    rangesFormatArr[0] = rangesArr[0].map(function(item) {
      item = opts.yAxis.formatter(item);
      yAxisWidthArr[0].width = Math.max(yAxisWidthArr[0].width, measureText(item, yAxisFontSize, context) + 5);
      return item;
    });
    yAxisWidthArr[0].width += 3 * opts.pix;
    if (opts.yAxis.disabled === true) {
      yAxisWidthArr[0] = {
        position: 'left',
        width: 0
      };
      opts.yAxis.data[0] = {
        disabled: true
      };
    } else {
      opts.yAxis.data[0] = {
        disabled: false,
        position: 'left',
        max: opts.yAxis.max,
        min: opts.yAxis.min,
        formatter: opts.yAxis.formatter
      };
      if(opts.type === 'bar'){
        opts.yAxis.data[0].categories = opts.categories;
        opts.yAxis.data[0].type = 'categories';
      }
    }
  }
  return {
    rangesFormat: rangesFormatArr,
    ranges: rangesArr,
    yAxisWidth: yAxisWidthArr
  };
}

function calTooltipYAxisData(point, series, opts, config, eachSpacing) {
  let ranges = [].concat(opts.chartData.yAxisData.ranges);
  let spacingValid = opts.height - opts.area[0] - opts.area[2];
  let minAxis = opts.area[0];
  let items = [];
  for (let i = 0; i < ranges.length; i++) {
    let maxVal = ranges[i].shift();
    let minVal = ranges[i].pop();
    let item = maxVal - (maxVal - minVal) * (point - minAxis) / spacingValid;
    item = opts.yAxis.data[i].formatter ? opts.yAxis.data[i].formatter(item) : item.toFixed(0);
    items.push(String(item))
  }
  return items;
}

function calMarkLineData(points, opts) {
  let minRange, maxRange;
  let spacingValid = opts.height - opts.area[0] - opts.area[2];
  for (let i = 0; i < points.length; i++) {
    points[i].yAxisIndex = points[i].yAxisIndex ? points[i].yAxisIndex : 0;
    let range = [].concat(opts.chartData.yAxisData.ranges[points[i].yAxisIndex]);
    minRange = range.pop();
    maxRange = range.shift();
    let height = spacingValid * (points[i].value - minRange) / (maxRange - minRange);
    points[i].y = opts.height - Math.round(height) - opts.area[2];
  }
  return points;
}

function contextRotate(context, opts) {
  if (opts.rotateLock !== true) {
    context.translate(opts.height, 0);
    context.rotate(90 * Math.PI / 180);
  } else if (opts._rotate_ !== true) {
    context.translate(opts.height, 0);
    context.rotate(90 * Math.PI / 180);
    opts._rotate_ = true;
  }
}

function drawPointShape(points, color, shape, context, opts) {
  context.beginPath();
  if (opts.dataPointShapeType == 'hollow') {
    context.setStrokeStyle(color);
    context.setFillStyle(opts.background);
    context.setLineWidth(2 * opts.pix);
  } else {
    context.setStrokeStyle("#ffffff");
    context.setFillStyle(color);
    context.setLineWidth(1 * opts.pix);
  }
  if (shape === 'diamond') {
    points.forEach(function(item, index) {
      if (item !== null) {
        context.moveTo(item.x, item.y - 4.5);
        context.lineTo(item.x - 4.5, item.y);
        context.lineTo(item.x, item.y + 4.5);
        context.lineTo(item.x + 4.5, item.y);
        context.lineTo(item.x, item.y - 4.5);
      }
    });
  } else if (shape === 'circle') {
    points.forEach(function(item, index) {
      if (item !== null) {
        context.moveTo(item.x + 2.5 * opts.pix, item.y);
        context.arc(item.x, item.y, 3 * opts.pix, 0, 2 * Math.PI, false);
      }
    });
  } else if (shape === 'square') {
    points.forEach(function(item, index) {
      if (item !== null) {
        context.moveTo(item.x - 3.5, item.y - 3.5);
        context.rect(item.x - 3.5, item.y - 3.5, 7, 7);
      }
    });
  } else if (shape === 'triangle') {
    points.forEach(function(item, index) {
      if (item !== null) {
        context.moveTo(item.x, item.y - 4.5);
        context.lineTo(item.x - 4.5, item.y + 4.5);
        context.lineTo(item.x + 4.5, item.y + 4.5);
        context.lineTo(item.x, item.y - 4.5);
      }
    });
  } else if (shape === 'triangle') {
    return;
  }
  context.closePath();
  context.fill();
  context.stroke();
}

function drawRingTitle(opts, config, context, center) {
  var titlefontSize = opts.title.fontSize || config.titleFontSize;
  var subtitlefontSize = opts.subtitle.fontSize || config.subtitleFontSize;
  var title = opts.title.name || '';
  var subtitle = opts.subtitle.name || '';
  var titleFontColor = opts.title.color || opts.fontColor;
  var subtitleFontColor = opts.subtitle.color || opts.fontColor;
  var titleHeight = title ? titlefontSize : 0;
  var subtitleHeight = subtitle ? subtitlefontSize : 0;
  var margin = 5;
  if (subtitle) {
    var textWidth = measureText(subtitle, subtitlefontSize * opts.pix, context);
    var startX = center.x - textWidth / 2 + (opts.subtitle.offsetX|| 0) * opts.pix ;
    var startY = center.y + subtitlefontSize * opts.pix / 2 + (opts.subtitle.offsetY || 0) * opts.pix;
    if (title) {
      startY += (titleHeight * opts.pix + margin) / 2;
    }
    context.beginPath();
    context.setFontSize(subtitlefontSize * opts.pix);
    context.setFillStyle(subtitleFontColor);
    context.fillText(subtitle, startX, startY);
    context.closePath();
    context.stroke();
  }
  if (title) {
    var _textWidth = measureText(title, titlefontSize * opts.pix, context);
    var _startX = center.x - _textWidth / 2 + (opts.title.offsetX || 0);
    var _startY = center.y + titlefontSize * opts.pix / 2 + (opts.title.offsetY || 0) * opts.pix;
    if (subtitle) {
      _startY -= (subtitleHeight * opts.pix + margin) / 2;
    }
    context.beginPath();
    context.setFontSize(titlefontSize * opts.pix);
    context.setFillStyle(titleFontColor);
    context.fillText(title, _startX, _startY);
    context.closePath();
    context.stroke();
  }
}

function drawPointText(points, series, config, context, opts) {
  // 绘制数据文案
  var data = series.data;
  var textOffset = series.textOffset ? series.textOffset : 0;
  points.forEach(function(item, index) {
    if (item !== null) {
      context.beginPath();
      var fontSize = series.textSize ? series.textSize * opts.pix : config.fontSize;
      context.setFontSize(fontSize);
      context.setFillStyle(series.textColor || opts.fontColor);
      var value = data[index]
      if (typeof data[index] === 'object' && data[index] !== null) {
        if (data[index].constructor.toString().indexOf('Array')>-1) {
          value = data[index][1];
        } else {
          value = data[index].value
        }
      }
      var formatVal = series.formatter ? series.formatter(value,index) : value;
      context.setTextAlign('center');
      context.fillText(String(formatVal), item.x, item.y - 4 + textOffset * opts.pix);
      context.closePath();
      context.stroke();
      context.setTextAlign('left');
    }
  });
}

function drawBarPointText(points, series, config, context, opts) {
  // 绘制数据文案
  var data = series.data;
  var textOffset = series.textOffset ? series.textOffset : 0;
  points.forEach(function(item, index) {
    if (item !== null) {
      context.beginPath();
      var fontSize = series.textSize ? series.textSize * opts.pix : config.fontSize;
      context.setFontSize(fontSize);
      context.setFillStyle(series.textColor || opts.fontColor);
      var value = data[index]
      if (typeof data[index] === 'object' && data[index] !== null) {
        value = data[index].value ;
      }
      var formatVal = series.formatter ? series.formatter(value,index,opts,series) : value;
      context.setTextAlign('left');
	  if(opts.xAxis.labelCount === 2){
	   context.fillText(String(formatVal), item.x - 30 * opts.pix , item.y + fontSize / 2 - 3 ); 
	  }else {
		context.fillText(String(formatVal), item.x - 70 * opts.pix , item.y + fontSize / 2 - 3 );  
	  }
      context.closePath();
      context.stroke();
    }
  });
}

function drawGaugeLabel(gaugeOption, radius, centerPosition, opts, config, context) {
  radius -= gaugeOption.width / 2 + gaugeOption.labelOffset * opts.pix;
  let totalAngle = gaugeOption.startAngle - gaugeOption.endAngle + 1;
  let splitAngle = totalAngle / gaugeOption.splitLine.splitNumber;
  let totalNumber = gaugeOption.endNumber - gaugeOption.startNumber;
  let splitNumber = totalNumber / gaugeOption.splitLine.splitNumber;
  let nowAngle = gaugeOption.startAngle;
  let nowNumber = gaugeOption.startNumber;
  for (let i = 0; i < gaugeOption.splitLine.splitNumber + 1; i++) {
    var pos = {
      x: radius * Math.cos(nowAngle * Math.PI),
      y: radius * Math.sin(nowAngle * Math.PI)
    };
    var labelText = gaugeOption.formatter ? gaugeOption.formatter(nowNumber) : nowNumber;
    pos.x += centerPosition.x - measureText(labelText, config.fontSize, context) / 2;
    pos.y += centerPosition.y;
    var startX = pos.x;
    var startY = pos.y;
    context.beginPath();
    context.setFontSize(config.fontSize);
    context.setFillStyle(gaugeOption.labelColor || opts.fontColor);
    context.fillText(labelText, startX, startY + config.fontSize / 2);
    context.closePath();
    context.stroke();
    nowAngle += splitAngle;
    if (nowAngle >= 2) {
      nowAngle = nowAngle % 2;
    }
    nowNumber += splitNumber;
  }

}

function drawRadarLabel(angleList, radius, centerPosition, opts, config, context) {
  var radarOption = opts.extra.radar || {};
  radius += config.radarLabelTextMargin * opts.pix;
  angleList.forEach(function(angle, index) {
    var pos = {
      x: radius * Math.cos(angle),
      y: radius * Math.sin(angle)
    };
    var posRelativeCanvas = convertCoordinateOrigin(pos.x, pos.y, centerPosition);
    var startX = posRelativeCanvas.x;
    var startY = posRelativeCanvas.y;
    if (util.approximatelyEqual(pos.x, 0)) {
      startX -= measureText(opts.categories[index] || '', config.fontSize, context) / 2;
    } else if (pos.x < 0) {
      startX -= measureText(opts.categories[index] || '', config.fontSize, context);
    }
    context.beginPath();
    context.setFontSize(config.fontSize);
    context.setFillStyle(radarOption.labelColor || opts.fontColor);
    context.fillText(opts.categories[index] || '', startX, startY + config.fontSize / 2);
    context.closePath();
    context.stroke();
  });

}

function drawPieText(series, opts, config, context, radius, center) {
  var lineRadius = config.pieChartLinePadding;
  var textObjectCollection = [];
  var lastTextObject = null;
  var seriesConvert = series.map(function(item,index,series) {
    var text = item.formatter ? item.formatter(item,index,series) : util.toFixed(item._proportion_.toFixed(4) * 100) + '%';
    var arc = 2 * Math.PI - (item._start_ + 2 * Math.PI * item._proportion_ / 2);
    if (item._rose_proportion_) {
      arc = 2 * Math.PI - (item._start_ + 2 * Math.PI * item._rose_proportion_ / 2);
    }
    var color = item.color;
    var radius = item._radius_;
    return {
      arc: arc,
      text: text,
      color: color,
      radius: radius,
      textColor: item.textColor,
      textSize: item.textSize,
    };
  });
  for (let i = 0; i < seriesConvert.length; i++) {
    let item = seriesConvert[i];
    // line end
    let orginX1 = Math.cos(item.arc) * (item.radius + lineRadius);
    let orginY1 = Math.sin(item.arc) * (item.radius + lineRadius);
    // line start
    let orginX2 = Math.cos(item.arc) * item.radius;
    let orginY2 = Math.sin(item.arc) * item.radius;
    // text start
    let orginX3 = orginX1 >= 0 ? orginX1 + config.pieChartTextPadding : orginX1 - config.pieChartTextPadding;
    let orginY3 = orginY1;
    let textWidth = measureText(item.text, item.textSize * opts.pix || config.fontSize, context);
    let startY = orginY3;
    if (lastTextObject && util.isSameXCoordinateArea(lastTextObject.start, {
        x: orginX3
      })) {
      if (orginX3 > 0) {
        startY = Math.min(orginY3, lastTextObject.start.y);
      } else if (orginX1 < 0) {
        startY = Math.max(orginY3, lastTextObject.start.y);
      } else {
        if (orginY3 > 0) {
          startY = Math.max(orginY3, lastTextObject.start.y);
        } else {
          startY = Math.min(orginY3, lastTextObject.start.y);
        }
      }
    }
    if (orginX3 < 0) {
      orginX3 -= textWidth;
    }
    let textObject = {
      lineStart: {
        x: orginX2,
        y: orginY2
      },
      lineEnd: {
        x: orginX1,
        y: orginY1
      },
      start: {
        x: orginX3,
        y: startY
      },
      width: textWidth,
      height: config.fontSize,
      text: item.text,
      color: item.color,
      textColor: item.textColor,
      textSize: item.textSize
    };
    lastTextObject = avoidCollision(textObject, lastTextObject);
    textObjectCollection.push(lastTextObject);
  }
  for (let i = 0; i < textObjectCollection.length; i++) {
    let item = textObjectCollection[i];
    let lineStartPoistion = convertCoordinateOrigin(item.lineStart.x, item.lineStart.y, center);
    let lineEndPoistion = convertCoordinateOrigin(item.lineEnd.x, item.lineEnd.y, center);
    let textPosition = convertCoordinateOrigin(item.start.x, item.start.y, center);
    context.setLineWidth(1 * opts.pix);
    context.setFontSize(item.textSize * opts.pix || config.fontSize);
    context.beginPath();
    context.setStrokeStyle(item.color);
    context.setFillStyle(item.color);
    context.moveTo(lineStartPoistion.x, lineStartPoistion.y);
    let curveStartX = item.start.x < 0 ? textPosition.x + item.width : textPosition.x;
    let textStartX = item.start.x < 0 ? textPosition.x - 5 : textPosition.x + 5;
    context.quadraticCurveTo(lineEndPoistion.x, lineEndPoistion.y, curveStartX, textPosition.y);
    context.moveTo(lineStartPoistion.x, lineStartPoistion.y);
    context.stroke();
    context.closePath();
    context.beginPath();
    context.moveTo(textPosition.x + item.width, textPosition.y);
    context.arc(curveStartX, textPosition.y, 2, 0, 2 * Math.PI);
    context.closePath();
    context.fill();
    context.beginPath();
    context.setFontSize(item.textSize * opts.pix || config.fontSize);
    context.setFillStyle(item.textColor || opts.fontColor);
    context.fillText(item.text, textStartX, textPosition.y + 3);
    context.closePath();
    context.stroke();
    context.closePath();
  }
}

function drawToolTipSplitLine(offsetX, opts, config, context) {
  var toolTipOption = opts.extra.tooltip || {};
  toolTipOption.gridType = toolTipOption.gridType == undefined ? 'solid' : toolTipOption.gridType;
  toolTipOption.dashLength = toolTipOption.dashLength == undefined ? 4 : toolTipOption.dashLength;
  var startY = opts.area[0];
  var endY = opts.height - opts.area[2];
  if (toolTipOption.gridType == 'dash') {
    context.setLineDash([toolTipOption.dashLength, toolTipOption.dashLength]);
  }
  context.setStrokeStyle(toolTipOption.gridColor || '#cccccc');
  context.setLineWidth(1 * opts.pix);
  context.beginPath();
  context.moveTo(offsetX, startY);
  context.lineTo(offsetX, endY);
  context.stroke();
  context.setLineDash([]);
  if (toolTipOption.xAxisLabel) {
    let labelText = opts.categories[opts.tooltip.index];
    context.setFontSize(config.fontSize);
    let textWidth = measureText(labelText, config.fontSize, context);
    let textX = offsetX - 0.5 * textWidth;
    let textY = endY;
    context.beginPath();
    context.setFillStyle(hexToRgb(toolTipOption.labelBgColor || config.toolTipBackground, toolTipOption.labelBgOpacity || config.toolTipOpacity));
    context.setStrokeStyle(toolTipOption.labelBgColor || config.toolTipBackground);
    context.setLineWidth(1 * opts.pix);
    context.rect(textX - config.toolTipPadding, textY, textWidth + 2 * config.toolTipPadding, config.fontSize + 2 * config.toolTipPadding);
    context.closePath();
    context.stroke();
    context.fill();
    context.beginPath();
    context.setFontSize(config.fontSize);
    context.setFillStyle(toolTipOption.labelFontColor || opts.fontColor);
    context.fillText(String(labelText), textX, textY + config.toolTipPadding + config.fontSize);
    context.closePath();
    context.stroke();
  }
}

function drawMarkLine(opts, config, context) {
  let markLineOption = assign({}, {
    type: 'solid',
    dashLength: 4,
    data: []
  }, opts.extra.markLine);
  let startX = opts.area[3];
  let endX = opts.width - opts.area[1];
  let points = calMarkLineData(markLineOption.data, opts);
  for (let i = 0; i < points.length; i++) {
    let item = assign({}, {
      lineColor: '#DE4A42',
      showLabel: false,
      labelFontColor: '#666666',
      labelBgColor: '#DFE8FF',
      labelBgOpacity: 0.8,
      yAxisIndex: 0
    }, points[i]);
    if (markLineOption.type == 'dash') {
      context.setLineDash([markLineOption.dashLength, markLineOption.dashLength]);
    }
    context.setStrokeStyle(item.lineColor);
    context.setLineWidth(1 * opts.pix);
    context.beginPath();
    context.moveTo(startX, item.y);
    context.lineTo(endX, item.y);
    context.stroke();
    context.setLineDash([]);
    if (item.showLabel) {
      let labelText = opts.yAxis.formatter ? opts.yAxis.formatter(item.value) : item.value;
      context.setFontSize(config.fontSize);
      let textWidth = measureText(labelText, config.fontSize, context);
      let yAxisWidth = opts.chartData.yAxisData.yAxisWidth[0].width;
      let bgStartX = opts.area[3] - textWidth - config.toolTipPadding * 2;
      let bgEndX = opts.area[3];
      let bgWidth = bgEndX - bgStartX;
      let textX = bgEndX - config.toolTipPadding;
      let textY = item.y;
      context.setFillStyle(hexToRgb(item.labelBgColor, item.labelBgOpacity));
      context.setStrokeStyle(item.labelBgColor);
      context.setLineWidth(1 * opts.pix);
      context.beginPath();
      context.rect(bgStartX, textY - 0.5 * config.fontSize - config.toolTipPadding, bgWidth, config.fontSize + 2 * config.toolTipPadding);
      context.closePath();
      context.stroke();
      context.fill();
      context.setFontSize(config.fontSize);
      context.setTextAlign('right');
      context.setFillStyle(item.labelFontColor);
      context.fillText(String(labelText), textX, textY + 0.5 * config.fontSize);
      context.stroke();
      context.setTextAlign('left');
    }
  }
}

function drawToolTipHorizentalLine(opts, config, context, eachSpacing, xAxisPoints) {
  var toolTipOption = assign({}, {
    gridType: 'solid',
    dashLength: 4
  }, opts.extra.tooltip);
  var startX = opts.area[3];
  var endX = opts.width - opts.area[1];
  if (toolTipOption.gridType == 'dash') {
    context.setLineDash([toolTipOption.dashLength, toolTipOption.dashLength]);
  }
  context.setStrokeStyle(toolTipOption.gridColor || '#cccccc');
  context.setLineWidth(1 * opts.pix);
  context.beginPath();
  context.moveTo(startX, opts.tooltip.offset.y);
  context.lineTo(endX, opts.tooltip.offset.y);
  context.stroke();
  context.setLineDash([]);
  if (toolTipOption.yAxisLabel) {
    let labelText = calTooltipYAxisData(opts.tooltip.offset.y, opts.series, opts, config, eachSpacing);
    let widthArr = opts.chartData.yAxisData.yAxisWidth;
    let tStartLeft = opts.area[3];
    let tStartRight = opts.width - opts.area[1];
    for (let i = 0; i < labelText.length; i++) {
      context.setFontSize(config.fontSize);
      let textWidth = measureText(labelText[i], config.fontSize, context);
      let bgStartX, bgEndX, bgWidth;
      if (widthArr[i].position == 'left') {
        bgStartX = tStartLeft - widthArr[i].width;
        bgEndX = Math.max(bgStartX, bgStartX + textWidth + config.toolTipPadding * 2);
      } else {
        bgStartX = tStartRight;
        bgEndX = Math.max(bgStartX + widthArr[i].width, bgStartX + textWidth + config.toolTipPadding * 2);
      }
      bgWidth = bgEndX - bgStartX;
      let textX = bgStartX + (bgWidth - textWidth) / 2;
      let textY = opts.tooltip.offset.y;
      context.beginPath();
      context.setFillStyle(hexToRgb(toolTipOption.labelBgColor || config.toolTipBackground, toolTipOption.labelBgOpacity || config.toolTipOpacity));
      context.setStrokeStyle(toolTipOption.labelBgColor || config.toolTipBackground);
      context.setLineWidth(1 * opts.pix);
      context.rect(bgStartX, textY - 0.5 * config.fontSize - config.toolTipPadding, bgWidth, config.fontSize + 2 *
        config.toolTipPadding);
      context.closePath();
      context.stroke();
      context.fill();
      context.beginPath();
      context.setFontSize(config.fontSize);
      context.setFillStyle(toolTipOption.labelFontColor || opts.fontColor);
      context.fillText(labelText[i], textX, textY + 0.5 * config.fontSize);
      context.closePath();
      context.stroke();
      if (widthArr[i].position == 'left') {
        tStartLeft -= (widthArr[i].width + opts.yAxis.padding * opts.pix);
      } else {
        tStartRight += widthArr[i].width + opts.yAxis.padding * opts.pix;
      }
    }
  }
}

function drawToolTipSplitArea(offsetX, opts, config, context, eachSpacing) {
  var toolTipOption = assign({}, {
    activeBgColor: '#000000',
    activeBgOpacity: 0.08
  }, opts.extra.column);
  var startY = opts.area[0];
  var endY = opts.height - opts.area[2];
  context.beginPath();
  context.setFillStyle(hexToRgb(toolTipOption.activeBgColor, toolTipOption.activeBgOpacity));
  context.rect(offsetX - eachSpacing / 2, startY, eachSpacing, endY - startY);
  context.closePath();
  context.fill();
  context.setFillStyle("#FFFFFF");
}

function drawBarToolTipSplitArea(offsetX, opts, config, context, eachSpacing) {
  var toolTipOption = assign({}, {
    activeBgColor: '#000000',
    activeBgOpacity: 0.08
  }, opts.extra.bar);
  var startX = opts.area[3];
  var endX = opts.width - opts.area[1];
  context.beginPath();
  context.setFillStyle(hexToRgb(toolTipOption.activeBgColor, toolTipOption.activeBgOpacity));
  context.rect( startX ,offsetX - eachSpacing / 2 ,  endX - startX,eachSpacing);
  context.closePath();
  context.fill();
  context.setFillStyle("#FFFFFF");
}

function drawToolTip(textList, offset, opts, config, context, eachSpacing, xAxisPoints) {
  var toolTipOption = assign({}, {
    showBox: true,
    showArrow: true,
    showCategory: false,
    bgColor: '#000000',
    bgOpacity: 0.7,
    borderColor: '#000000',
    borderWidth: 0,
    borderRadius: 0,
    borderOpacity: 0.7,
    fontColor: '#FFFFFF',
    splitLine: true,
  }, opts.extra.tooltip);
  if(toolTipOption.showCategory==true && opts.categories){
    textList.unshift({text:opts.categories[opts.tooltip.index],color:null})
  }
  var legendWidth = 4 * opts.pix;
  var legendMarginRight = 5 * opts.pix;
  var arrowWidth = toolTipOption.showArrow ? 8 * opts.pix : 0;
  var isOverRightBorder = false;
  if (opts.type == 'line' || opts.type == 'area' || opts.type == 'candle' || opts.type == 'mix') {
    if (toolTipOption.splitLine == true) {
      drawToolTipSplitLine(opts.tooltip.offset.x, opts, config, context);
    }
  }
  offset = assign({
    x: 0,
    y: 0
  }, offset);
  offset.y -= 8 * opts.pix;
  var textWidth = textList.map(function(item) {
    return measureText(item.text, config.fontSize, context);
  });
  var toolTipWidth = legendWidth + legendMarginRight + 4 * config.toolTipPadding + Math.max.apply(null, textWidth);
  var toolTipHeight = 2 * config.toolTipPadding + textList.length * config.toolTipLineHeight;
  if (toolTipOption.showBox == false) {
    return
  }
  // if beyond the right border
  if (offset.x - Math.abs(opts._scrollDistance_ || 0) + arrowWidth + toolTipWidth > opts.width) {
    isOverRightBorder = true;
  }
  if (toolTipHeight + offset.y > opts.height) {
    offset.y = opts.height - toolTipHeight;
  }
  // draw background rect
  context.beginPath();
  context.setFillStyle(hexToRgb(toolTipOption.bgColor || config.toolTipBackground, toolTipOption.bgOpacity || config.toolTipOpacity));
  context.setLineWidth(toolTipOption.borderWidth * opts.pix);
  context.setStrokeStyle(hexToRgb(toolTipOption.borderColor, toolTipOption.borderOpacity));
  var radius = toolTipOption.borderRadius;
  if (isOverRightBorder) {
    if (toolTipOption.showArrow) {
      context.moveTo(offset.x, offset.y + 10 * opts.pix);
      context.lineTo(offset.x - arrowWidth, offset.y + 10 * opts.pix + 5 * opts.pix);
    }
    context.arc(offset.x - arrowWidth - radius, offset.y + toolTipHeight - radius, radius, 0, Math.PI / 2, false);
    context.arc(offset.x - arrowWidth - Math.round(toolTipWidth) + radius, offset.y + toolTipHeight - radius, radius,
      Math.PI / 2, Math.PI, false);
    context.arc(offset.x - arrowWidth - Math.round(toolTipWidth) + radius, offset.y + radius, radius, -Math.PI, -Math.PI / 2, false);
    context.arc(offset.x - arrowWidth - radius, offset.y + radius, radius, -Math.PI / 2, 0, false);
    if (toolTipOption.showArrow) {
      context.lineTo(offset.x - arrowWidth, offset.y + 10 * opts.pix - 5 * opts.pix);
      context.lineTo(offset.x, offset.y + 10 * opts.pix);
    }
  } else {
    if (toolTipOption.showArrow) {
      context.moveTo(offset.x, offset.y + 10 * opts.pix);
      context.lineTo(offset.x + arrowWidth, offset.y + 10 * opts.pix - 5 * opts.pix);
    }
    context.arc(offset.x + arrowWidth + radius, offset.y + radius, radius, -Math.PI, -Math.PI / 2, false);
    context.arc(offset.x + arrowWidth + Math.round(toolTipWidth) - radius, offset.y + radius, radius, -Math.PI / 2, 0,
      false);
    context.arc(offset.x + arrowWidth + Math.round(toolTipWidth) - radius, offset.y + toolTipHeight - radius, radius, 0,
      Math.PI / 2, false);
    context.arc(offset.x + arrowWidth + radius, offset.y + toolTipHeight - radius, radius, Math.PI / 2, Math.PI, false);
    if (toolTipOption.showArrow) {
      context.lineTo(offset.x + arrowWidth, offset.y + 10 * opts.pix + 5 * opts.pix);
      context.lineTo(offset.x, offset.y + 10 * opts.pix);
    }
  }
  context.closePath();
  context.fill();
  if (toolTipOption.borderWidth > 0) {
    context.stroke();
  }
  // draw legend
  textList.forEach(function(item, index) {
    if (item.color !== null) {
      context.beginPath();
      context.setFillStyle(item.color);
      var startX = offset.x + arrowWidth + 2 * config.toolTipPadding;
      var startY = offset.y + (config.toolTipLineHeight - config.fontSize) / 2 + config.toolTipLineHeight * index + config.toolTipPadding + 1;
      if (isOverRightBorder) {
        startX = offset.x - toolTipWidth - arrowWidth + 2 * config.toolTipPadding;
      }
      context.fillRect(startX, startY, legendWidth, config.fontSize);
      context.closePath();
    }
  });
  // draw text list
  textList.forEach(function(item, index) {
    var startX = offset.x + arrowWidth + 2 * config.toolTipPadding + legendWidth + legendMarginRight;
    if (isOverRightBorder) {
      startX = offset.x - toolTipWidth - arrowWidth + 2 * config.toolTipPadding + +legendWidth + legendMarginRight;
    }
    var startY = offset.y + (config.toolTipLineHeight - config.fontSize) / 2 + config.toolTipLineHeight * index + config.toolTipPadding;
    context.beginPath();
    context.setFontSize(config.fontSize);
    context.setFillStyle(toolTipOption.fontColor);
    context.fillText(item.text, startX, startY + config.fontSize);
    context.closePath();
    context.stroke();
  });
}

function drawColumnDataPoints(series, opts, config, context) {
  let process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  let xAxisData = opts.chartData.xAxisData,
    xAxisPoints = xAxisData.xAxisPoints,
    eachSpacing = xAxisData.eachSpacing;
  let columnOption = assign({}, {
    type: 'group',
    width: eachSpacing / 2,
    meterBorder: 4,
    meterFillColor: '#FFFFFF',
    barBorderCircle: false,
    barBorderRadius: [],
    seriesGap: 2,
    linearType: 'none',
    linearOpacity: 1,
    customColor: [],
    colorStop: 0,
  }, opts.extra.column);
  let calPoints = [];
  context.save();
  let leftNum = -2;
  let rightNum = xAxisPoints.length + 2;
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
    context.translate(opts._scrollDistance_, 0);
    leftNum = Math.floor(-opts._scrollDistance_ / eachSpacing) - 2;
    rightNum = leftNum + opts.xAxis.itemCount + 4;
  }
  if (opts.tooltip && opts.tooltip.textList && opts.tooltip.textList.length && process === 1) {
    drawToolTipSplitArea(opts.tooltip.offset.x, opts, config, context, eachSpacing);
  }
  columnOption.customColor = fillCustomColor(columnOption.linearType, columnOption.customColor, series, config);
  series.forEach(function(eachSeries, seriesIndex) {
    let ranges, minRange, maxRange;
    ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
    minRange = ranges.pop();
    maxRange = ranges.shift();
    var data = eachSeries.data;
    switch (columnOption.type) {
      case 'group':
        var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
        var tooltipPoints = getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, series, process);
        calPoints.push(tooltipPoints);
        points = fixColumeData(points, eachSpacing, series.length, seriesIndex, config, opts);
        for (let i = 0; i < points.length; i++) {
          let item = points[i];
          //fix issues/I27B1N yyoinge & Joeshu
          if (item !== null && i > leftNum && i < rightNum) {
            var startX = item.x - item.width / 2;
            var height = opts.height - item.y - opts.area[2];
            context.beginPath();
            var fillColor = item.color || eachSeries.color
            var strokeColor = item.color || eachSeries.color
            if (columnOption.linearType !== 'none') {
              var grd = context.createLinearGradient(startX, item.y, startX, opts.height - opts.area[2]);
              //透明渐变
              if (columnOption.linearType == 'opacity') {
                grd.addColorStop(0, hexToRgb(fillColor, columnOption.linearOpacity));
                grd.addColorStop(1, hexToRgb(fillColor, 1));
              } else {
                grd.addColorStop(0, hexToRgb(columnOption.customColor[eachSeries.linearIndex], columnOption.linearOpacity));
                grd.addColorStop(columnOption.colorStop, hexToRgb(columnOption.customColor[eachSeries.linearIndex],columnOption.linearOpacity));
                grd.addColorStop(1, hexToRgb(fillColor, 1));
              }
              fillColor = grd
            }
            // 圆角边框
            if ((columnOption.barBorderRadius && columnOption.barBorderRadius.length === 4) || columnOption.barBorderCircle === true) {
              const left = startX;
              const top = item.y;
              const width = item.width;
              const height = opts.height - opts.area[2] - item.y;
              if (columnOption.barBorderCircle) {
                columnOption.barBorderRadius = [width / 2, width / 2, 0, 0];
              }
              let [r0, r1, r2, r3] = columnOption.barBorderRadius;
              let minRadius = Math.min(width/2,height/2);
              r0 = r0 > minRadius ? minRadius : r0;
              r1 = r1 > minRadius ? minRadius : r1;
              r2 = r2 > minRadius ? minRadius : r2;
              r3 = r3 > minRadius ? minRadius : r3;
              r0 = r0 < 0 ? 0 : r0;
              r1 = r1 < 0 ? 0 : r1;
              r2 = r2 < 0 ? 0 : r2;
              r3 = r3 < 0 ? 0 : r3;
              context.arc(left + r0, top + r0, r0, -Math.PI, -Math.PI / 2);
              context.arc(left + width - r1, top + r1, r1, -Math.PI / 2, 0);
              context.arc(left + width - r2, top + height - r2, r2, 0, Math.PI / 2);
              context.arc(left + r3, top + height - r3, r3, Math.PI / 2, Math.PI);
            } else {
              context.moveTo(startX, item.y);
              context.lineTo(startX + item.width - 2, item.y);
              context.lineTo(startX + item.width - 2, opts.height - opts.area[2]);
              context.lineTo(startX, opts.height - opts.area[2]);
              context.lineTo(startX, item.y);
              context.setLineWidth(1)
              context.setStrokeStyle(strokeColor);
            }
            context.setFillStyle(fillColor);
            context.closePath();
            //context.stroke();
            context.fill();
          }
        };
        break;
      case 'stack':
        // 绘制堆叠数据图
        var points = getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, series, process);
        calPoints.push(points);
        points = fixColumeStackData(points, eachSpacing, series.length, seriesIndex, config, opts, series);
        for (let i = 0; i < points.length; i++) {
          let item = points[i];
          if (item !== null && i > leftNum && i < rightNum) {
            context.beginPath();
            var fillColor = item.color || eachSeries.color;
            var startX = item.x - item.width / 2 + 1;
            var height = opts.height - item.y - opts.area[2];
            var height0 = opts.height - item.y0 - opts.area[2];
            if (seriesIndex > 0) {
              height -= height0;
            }
            context.setFillStyle(fillColor);
            context.moveTo(startX, item.y);
            context.fillRect(startX, item.y, item.width - 2, height);
            context.closePath();
            context.fill();
          }
        };
        break;
      case 'meter':
        // 绘制温度计数据图
        var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
        calPoints.push(points);
        points = fixColumeMeterData(points, eachSpacing, series.length, seriesIndex, config, opts, columnOption.meterBorder);
        if (seriesIndex == 0) {
          for (let i = 0; i < points.length; i++) {
            let item = points[i];
            if (item !== null && i > leftNum && i < rightNum) {
              //画背景颜色
              context.beginPath();
              context.setFillStyle(columnOption.meterFillColor);
              var startX = item.x - item.width / 2;
              var height = opts.height - item.y - opts.area[2];
              if (columnOption.barBorderCircle) {
                var barBorderRadius = (item.width - columnOption.meterBorder*2) / 2;
                if(barBorderRadius>height){
                  barBorderRadius = height;
                }
                context.moveTo(startX + columnOption.meterBorder, opts.height - opts.area[2]);
                context.lineTo(startX + columnOption.meterBorder, item.y + barBorderRadius);
                context.arc(startX + item.width/2, item.y + barBorderRadius, barBorderRadius, -Math.PI, 0);
                context.lineTo(startX + item.width - columnOption.meterBorder , opts.height - opts.area[2]);
                context.lineTo(startX, opts.height - opts.area[2]);
                context.fill();
              }else{
                context.moveTo(startX, item.y);
                context.fillRect(startX, item.y, item.width, height);
                context.closePath();
                context.fill();
              }
              //画边框线
              if (columnOption.meterBorder > 0) {
                context.beginPath();
                context.setStrokeStyle(eachSeries.color);
                context.setLineWidth(columnOption.meterBorder * opts.pix);
                if (columnOption.barBorderCircle) {
                  var barBorderRadius = (item.width - columnOption.meterBorder)/ 2;
                  if(barBorderRadius>height){
                    barBorderRadius = height;
                  }
                  context.moveTo(startX  + columnOption.meterBorder * 0.5, opts.height - opts.area[2]);
                  context.lineTo(startX + columnOption.meterBorder * 0.5, item.y + barBorderRadius);
                  context.arc(startX + item.width/2, item.y + barBorderRadius - columnOption.meterBorder * 0.5, barBorderRadius, -Math.PI, 0);
                  context.lineTo(startX + item.width - columnOption.meterBorder * 0.5, opts.height - opts.area[2]);
                }else{
                  context.moveTo(startX + columnOption.meterBorder * 0.5, item.y + height);
                  context.lineTo(startX + columnOption.meterBorder * 0.5, item.y + columnOption.meterBorder * 0.5);
                  context.lineTo(startX + item.width - columnOption.meterBorder * 0.5, item.y + columnOption.meterBorder * 0.5);
                  context.lineTo(startX + item.width - columnOption.meterBorder * 0.5, item.y + height);
                }
                context.stroke();
              }
            }
          };
        } else {
          for (let i = 0; i < points.length; i++) {
            let item = points[i];
            if (item !== null && i > leftNum && i < rightNum) {
              context.beginPath();
              context.setFillStyle(item.color || eachSeries.color);
              var startX = item.x - item.width / 2;
              var height = opts.height - item.y - opts.area[2];
              if (columnOption.barBorderCircle) {
                var barBorderRadius = item.width / 2;
                if(barBorderRadius>height){
                  barBorderRadius = height;
                }
                context.moveTo(startX, opts.height - opts.area[2]);
                context.arc(startX + barBorderRadius, item.y + barBorderRadius, barBorderRadius, -Math.PI, -Math.PI / 2);
                context.arc(startX + item.width - barBorderRadius, item.y + barBorderRadius, barBorderRadius, -Math.PI / 2, 0);
                context.lineTo(startX + item.width, opts.height - opts.area[2]);
                context.lineTo(startX, opts.height - opts.area[2]);
                context.fill();
              }else{
                context.moveTo(startX, item.y);
                context.fillRect(startX, item.y, item.width, height);
                context.closePath();
                context.fill();
              }
            }
          };
        }
        break;
    }
  });

  if (opts.dataLabel !== false && process === 1) {
    series.forEach(function(eachSeries, seriesIndex) {
      let ranges, minRange, maxRange;
      ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
      minRange = ranges.pop();
      maxRange = ranges.shift();
      var data = eachSeries.data;
      switch (columnOption.type) {
        case 'group':
          var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
          points = fixColumeData(points, eachSpacing, series.length, seriesIndex, config, opts);
          drawPointText(points, eachSeries, config, context, opts);
          break;
        case 'stack':
          var points = getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, series, process);
          drawPointText(points, eachSeries, config, context, opts);
          break;
        case 'meter':
          var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
          drawPointText(points, eachSeries, config, context, opts);
          break;
      }
    });
  }
  context.restore();
  return {
    xAxisPoints: xAxisPoints,
    calPoints: calPoints,
    eachSpacing: eachSpacing
  };
}

function drawBarDataPoints(series, opts, config, context) {
  let process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  let yAxisPoints = [];
  let eachSpacing = (opts.height - opts.area[0] - opts.area[2])/opts.categories.length;
  for (let i = 0; i < opts.categories.length; i++) {
    yAxisPoints.push(opts.area[0] + eachSpacing / 2 + eachSpacing * i);
  }
  let columnOption = assign({}, {
    type: 'group',
    width: eachSpacing / 2,
    meterBorder: 4,
    meterFillColor: '#FFFFFF',
    barBorderCircle: false,
    barBorderRadius: [],
    seriesGap: 2,
    linearType: 'none',
    linearOpacity: 1,
    customColor: [],
    colorStop: 0,
  }, opts.extra.bar);
  let calPoints = [];
  context.save();
  let leftNum = -2;
  let rightNum = yAxisPoints.length + 2;
  if (opts.tooltip && opts.tooltip.textList && opts.tooltip.textList.length && process === 1) {
    drawBarToolTipSplitArea(opts.tooltip.offset.y, opts, config, context, eachSpacing);
  }
  columnOption.customColor = fillCustomColor(columnOption.linearType, columnOption.customColor, series, config);
  series.forEach(function(eachSeries, seriesIndex) {
    let ranges, minRange, maxRange;
    ranges = [].concat(opts.chartData.xAxisData.ranges);
    maxRange = ranges.pop();
    minRange = ranges.shift();
    var data = eachSeries.data;
    switch (columnOption.type) {
      case 'group':
        var points = getBarDataPoints(data, minRange, maxRange, yAxisPoints, eachSpacing, opts, config, process);
        var tooltipPoints = getBarStackDataPoints(data, minRange, maxRange, yAxisPoints, eachSpacing, opts, config, seriesIndex, series, process);
        calPoints.push(tooltipPoints);
        points = fixBarData(points, eachSpacing, series.length, seriesIndex, config, opts);
        for (let i = 0; i < points.length; i++) {
          let item = points[i];
          //fix issues/I27B1N yyoinge & Joeshu
          if (item !== null && i > leftNum && i < rightNum) {
            //var startX = item.x - item.width / 2;
            var startX = opts.area[3];
            var startY = item.y - item.width / 2;
            var height = item.height;
            context.beginPath();
            var fillColor = item.color || eachSeries.color
            var strokeColor = item.color || eachSeries.color
            if (columnOption.linearType !== 'none') {
              var grd = context.createLinearGradient(startX, item.y, item.x, item.y);
              //透明渐变
              if (columnOption.linearType == 'opacity') {
               // grd.addColorStop(0, hexToRgb(fillColor, columnOption.linearOpacity));
                grd.addColorStop(1, hexToRgb(fillColor, 1));
              } else {
               // grd.addColorStop(0, hexToRgb(columnOption.customColor[eachSeries.linearIndex], columnOption.linearOpacity));
                //grd.addColorStop(columnOption.colorStop, hexToRgb(columnOption.customColor[eachSeries.linearIndex],columnOption.linearOpacity));
                grd.addColorStop(1, hexToRgb(fillColor, 1));
              }
              fillColor = grd
            }
            // 圆角边框
            if ((columnOption.barBorderRadius && columnOption.barBorderRadius.length === 4) || columnOption.barBorderCircle === true) {
              const left = startX;
              const width = item.width;
              const top = item.y - item.width / 2;
              const height = item.heigh;
              if (columnOption.barBorderCircle) {
                columnOption.barBorderRadius = [width / 2, width / 2, 0, 0];
              }
              let [r0, r1, r2, r3] = columnOption.barBorderRadius;
              let minRadius = Math.min(width/2,height/2);
              r0 = r0 > minRadius ? minRadius : r0;
              r1 = r1 > minRadius ? minRadius : r1;
              r2 = r2 > minRadius ? minRadius : r2;
              r3 = r3 > minRadius ? minRadius : r3;
              r0 = r0 < 0 ? 0 : r0;
              r1 = r1 < 0 ? 0 : r1;
              r2 = r2 < 0 ? 0 : r2;
              r3 = r3 < 0 ? 0 : r3;
              
              context.arc(left + r3, top + r3, r3, -Math.PI, -Math.PI / 2);
              context.arc(item.x - r0, top + r0, r0, -Math.PI / 2, 0);
              context.arc(item.x - r1, top + width - r1, r1, 0, Math.PI / 2);
              context.arc(left + r2, top + width - r2, r2, Math.PI / 2, Math.PI);
            } else {
              context.moveTo(startX, startY);
              context.lineTo(item.x, startY);
              context.lineTo(item.x, startY + item.width - 2);
              context.lineTo(startX, startY + item.width - 2);
              context.lineTo(startX, startY);
              context.setLineWidth(1)
              context.setStrokeStyle(strokeColor);
            }
            context.setFillStyle(fillColor);
            context.closePath();
            //context.stroke();
            context.fill();
          }
        };
        break;
      case 'stack':
        // 绘制堆叠数据图
        var points = getBarStackDataPoints(data, minRange, maxRange, yAxisPoints, eachSpacing, opts, config, seriesIndex, series, process);
        calPoints.push(points);
        points = fixBarStackData(points, eachSpacing, series.length, seriesIndex, config, opts, series);
        for (let i = 0; i < points.length; i++) {
          let item = points[i];
          if (item !== null && i > leftNum && i < rightNum) {
            context.beginPath();
            var fillColor = item.color || eachSeries.color;
            var startX = item.x0;
            context.setFillStyle(fillColor);
            context.moveTo(startX, item.y - item.width/2);
            context.fillRect(startX, item.y - item.width/2, item.height , item.width - 2);
            context.closePath();
            context.fill();
          }
        };
        break;
    }
  });

  if (opts.dataLabel !== false && process === 1) {
    series.forEach(function(eachSeries, seriesIndex) {
      let ranges, minRange, maxRange;
      ranges = [].concat(opts.chartData.xAxisData.ranges);
      maxRange = ranges.pop();
      minRange = ranges.shift();
      var data = eachSeries.data;
      switch (columnOption.type) {
        case 'group':
          var points = getBarDataPoints(data, minRange, maxRange, yAxisPoints, eachSpacing, opts, config, process);
          points = fixBarData(points, eachSpacing, series.length, seriesIndex, config, opts);
          drawBarPointText(points, eachSeries, config, context, opts);
          break;
        case 'stack':
          var points = getBarStackDataPoints(data, minRange, maxRange, yAxisPoints, eachSpacing, opts, config, seriesIndex, series, process);
          drawBarPointText(points, eachSeries, config, context, opts);
          break;
      }
    });
  }
  return {
    yAxisPoints: yAxisPoints,
    calPoints: calPoints,
    eachSpacing: eachSpacing
  };
}

function drawCandleDataPoints(series, seriesMA, opts, config, context) {
  var process = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 1;
  var candleOption = assign({}, {
    color: {},
    average: {}
  }, opts.extra.candle);
  candleOption.color = assign({}, {
    upLine: '#f04864',
    upFill: '#f04864',
    downLine: '#2fc25b',
    downFill: '#2fc25b'
  }, candleOption.color);
  candleOption.average = assign({}, {
    show: false,
    name: [],
    day: [],
    color: config.color
  }, candleOption.average);
  opts.extra.candle = candleOption;
  let xAxisData = opts.chartData.xAxisData,
    xAxisPoints = xAxisData.xAxisPoints,
    eachSpacing = xAxisData.eachSpacing;
  let calPoints = [];
  context.save();
  let leftNum = -2;
  let rightNum = xAxisPoints.length + 2;
  let leftSpace = 0;
  let rightSpace = opts.width + eachSpacing;
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
    context.translate(opts._scrollDistance_, 0);
    leftNum = Math.floor(-opts._scrollDistance_ / eachSpacing) - 2;
    rightNum = leftNum + opts.xAxis.itemCount + 4;
    leftSpace = -opts._scrollDistance_ - eachSpacing * 2 + opts.area[3];
    rightSpace = leftSpace + (opts.xAxis.itemCount + 4) * eachSpacing;
  }
  //画均线
  if (candleOption.average.show || seriesMA) { //Merge pull request !12 from 邱贵翔
    seriesMA.forEach(function(eachSeries, seriesIndex) {
      let ranges, minRange, maxRange;
      ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
      minRange = ranges.pop();
      maxRange = ranges.shift();
      var data = eachSeries.data;
      var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
      var splitPointList = splitPoints(points,eachSeries);
      for (let i = 0; i < splitPointList.length; i++) {
        let points = splitPointList[i];
        context.beginPath();
        context.setStrokeStyle(eachSeries.color);
        context.setLineWidth(1);
        if (points.length === 1) {
          context.moveTo(points[0].x, points[0].y);
          context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI);
        } else {
          context.moveTo(points[0].x, points[0].y);
          let startPoint = 0;
          for (let j = 0; j < points.length; j++) {
            let item = points[j];
            if (startPoint == 0 && item.x > leftSpace) {
              context.moveTo(item.x, item.y);
              startPoint = 1;
            }
            if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
              var ctrlPoint = createCurveControlPoints(points, j - 1);
              context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x,
                item.y);
            }
          }
          context.moveTo(points[0].x, points[0].y);
        }
        context.closePath();
        context.stroke();
      }
    });
  }
  //画K线
  series.forEach(function(eachSeries, seriesIndex) {
    let ranges, minRange, maxRange;
    ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
    minRange = ranges.pop();
    maxRange = ranges.shift();
    var data = eachSeries.data;
    var points = getCandleDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
    calPoints.push(points);
    var splitPointList = splitPoints(points,eachSeries);
    for (let i = 0; i < splitPointList[0].length; i++) {
      if (i > leftNum && i < rightNum) {
        let item = splitPointList[0][i];
        context.beginPath();
        //如果上涨
        if (data[i][1] - data[i][0] > 0) {
          context.setStrokeStyle(candleOption.color.upLine);
          context.setFillStyle(candleOption.color.upFill);
          context.setLineWidth(1 * opts.pix);
          context.moveTo(item[3].x, item[3].y); //顶点
          context.lineTo(item[1].x, item[1].y); //收盘中间点
          context.lineTo(item[1].x - eachSpacing / 4, item[1].y); //收盘左侧点
          context.lineTo(item[0].x - eachSpacing / 4, item[0].y); //开盘左侧点
          context.lineTo(item[0].x, item[0].y); //开盘中间点
          context.lineTo(item[2].x, item[2].y); //底点
          context.lineTo(item[0].x, item[0].y); //开盘中间点
          context.lineTo(item[0].x + eachSpacing / 4, item[0].y); //开盘右侧点
          context.lineTo(item[1].x + eachSpacing / 4, item[1].y); //收盘右侧点
          context.lineTo(item[1].x, item[1].y); //收盘中间点
          context.moveTo(item[3].x, item[3].y); //顶点
        } else {
          context.setStrokeStyle(candleOption.color.downLine);
          context.setFillStyle(candleOption.color.downFill);
          context.setLineWidth(1 * opts.pix);
          context.moveTo(item[3].x, item[3].y); //顶点
          context.lineTo(item[0].x, item[0].y); //开盘中间点
          context.lineTo(item[0].x - eachSpacing / 4, item[0].y); //开盘左侧点
          context.lineTo(item[1].x - eachSpacing / 4, item[1].y); //收盘左侧点
          context.lineTo(item[1].x, item[1].y); //收盘中间点
          context.lineTo(item[2].x, item[2].y); //底点
          context.lineTo(item[1].x, item[1].y); //收盘中间点
          context.lineTo(item[1].x + eachSpacing / 4, item[1].y); //收盘右侧点
          context.lineTo(item[0].x + eachSpacing / 4, item[0].y); //开盘右侧点
          context.lineTo(item[0].x, item[0].y); //开盘中间点
          context.moveTo(item[3].x, item[3].y); //顶点
        }
        context.closePath();
        context.fill();
        context.stroke();
      }
    }
  });
  context.restore();
  return {
    xAxisPoints: xAxisPoints,
    calPoints: calPoints,
    eachSpacing: eachSpacing
  };
}

function drawAreaDataPoints(series, opts, config, context) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  var areaOption = assign({}, {
    type: 'straight',
    opacity: 0.2,
    addLine: false,
    width: 2,
    gradient: false
  }, opts.extra.area);
  let xAxisData = opts.chartData.xAxisData,
    xAxisPoints = xAxisData.xAxisPoints,
    eachSpacing = xAxisData.eachSpacing;
  let endY = opts.height - opts.area[2];
  let calPoints = [];
  context.save();
  let leftSpace = 0;
  let rightSpace = opts.width + eachSpacing;
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
    context.translate(opts._scrollDistance_, 0);
    leftSpace = -opts._scrollDistance_ - eachSpacing * 2 + opts.area[3];
    rightSpace = leftSpace + (opts.xAxis.itemCount + 4) * eachSpacing;
  }
  series.forEach(function(eachSeries, seriesIndex) {
    let ranges, minRange, maxRange;
    ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
    minRange = ranges.pop();
    maxRange = ranges.shift();
    let data = eachSeries.data;
    let points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
    calPoints.push(points);
    let splitPointList = splitPoints(points,eachSeries);
    for (let i = 0; i < splitPointList.length; i++) {
      let points = splitPointList[i];
      // 绘制区域数
      context.beginPath();
      context.setStrokeStyle(hexToRgb(eachSeries.color, areaOption.opacity));
      if (areaOption.gradient) {
        let gradient = context.createLinearGradient(0, opts.area[0], 0, opts.height - opts.area[2]);
        gradient.addColorStop('0', hexToRgb(eachSeries.color, areaOption.opacity));
        gradient.addColorStop('1.0', hexToRgb("#FFFFFF", 0.1));
        context.setFillStyle(gradient);
      } else {
        context.setFillStyle(hexToRgb(eachSeries.color, areaOption.opacity));
      }
      context.setLineWidth(areaOption.width * opts.pix);
      if (points.length > 1) {
        let firstPoint = points[0];
        let lastPoint = points[points.length - 1];
        context.moveTo(firstPoint.x, firstPoint.y);
        let startPoint = 0;
        if (areaOption.type === 'curve') {
          for (let j = 0; j < points.length; j++) {
            let item = points[j];
            if (startPoint == 0 && item.x > leftSpace) {
              context.moveTo(item.x, item.y);
              startPoint = 1;
            }
            if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
              let ctrlPoint = createCurveControlPoints(points, j - 1);
              context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y);
            }
          };
        } 
        if (areaOption.type === 'straight') {
          for (let j = 0; j < points.length; j++) {
            let item = points[j];
            if (startPoint == 0 && item.x > leftSpace) {
              context.moveTo(item.x, item.y);
              startPoint = 1;
            }
            if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
              context.lineTo(item.x, item.y);
            }
          };
        }
        if (areaOption.type === 'step') {
          for (let j = 0; j < points.length; j++) {
            let item = points[j];
            if (startPoint == 0 && item.x > leftSpace) {
              context.moveTo(item.x, item.y);
              startPoint = 1;
            }
            if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
              context.lineTo(item.x, points[j - 1].y);
              context.lineTo(item.x, item.y);
            }
          };
        }
        context.lineTo(lastPoint.x, endY);
        context.lineTo(firstPoint.x, endY);
        context.lineTo(firstPoint.x, firstPoint.y);
      } else {
        let item = points[0];
        context.moveTo(item.x - eachSpacing / 2, item.y);
        context.lineTo(item.x + eachSpacing / 2, item.y);
        context.lineTo(item.x + eachSpacing / 2, endY);
        context.lineTo(item.x - eachSpacing / 2, endY);
        context.moveTo(item.x - eachSpacing / 2, item.y);
      }
      context.closePath();
      context.fill();
      //画连线
      if (areaOption.addLine) {
        if (eachSeries.lineType == 'dash') {
          let dashLength = eachSeries.dashLength ? eachSeries.dashLength : 8;
          dashLength *= opts.pix;
          context.setLineDash([dashLength, dashLength]);
        }
        context.beginPath();
        context.setStrokeStyle(eachSeries.color);
        context.setLineWidth(areaOption.width * opts.pix);
        if (points.length === 1) {
          context.moveTo(points[0].x, points[0].y);
          context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI);
        } else {
          context.moveTo(points[0].x, points[0].y);
          let startPoint = 0;
          if (areaOption.type === 'curve') {
            for (let j = 0; j < points.length; j++) {
              let item = points[j];
              if (startPoint == 0 && item.x > leftSpace) {
                context.moveTo(item.x, item.y);
                startPoint = 1;
              }
              if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
                let ctrlPoint = createCurveControlPoints(points, j - 1);
                context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y);
              }
            };
          }
          if (areaOption.type === 'straight') {
            for (let j = 0; j < points.length; j++) {
              let item = points[j];
              if (startPoint == 0 && item.x > leftSpace) {
                context.moveTo(item.x, item.y);
                startPoint = 1;
              }
              if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
                context.lineTo(item.x, item.y);
              }
            };
          }
          if (areaOption.type === 'step') {
            for (let j = 0; j < points.length; j++) {
              let item = points[j];
              if (startPoint == 0 && item.x > leftSpace) {
                context.moveTo(item.x, item.y);
                startPoint = 1;
              }
              if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
                context.lineTo(item.x, points[j - 1].y);
                context.lineTo(item.x, item.y);
              }
            };
          }
          context.moveTo(points[0].x, points[0].y);
        }
        context.stroke();
        context.setLineDash([]);
      }
    }
    //画点
    if (opts.dataPointShape !== false) {
      drawPointShape(points, eachSeries.color, eachSeries.pointShape, context, opts);
    }
  });

  if (opts.dataLabel !== false && process === 1) {
    series.forEach(function(eachSeries, seriesIndex) {
      let ranges, minRange, maxRange;
      ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
      minRange = ranges.pop();
      maxRange = ranges.shift();
      var data = eachSeries.data;
      var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
      drawPointText(points, eachSeries, config, context, opts);
    });
  }
  context.restore();
  return {
    xAxisPoints: xAxisPoints,
    calPoints: calPoints,
    eachSpacing: eachSpacing
  };
}

function drawScatterDataPoints(series, opts, config, context) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  var scatterOption = assign({}, {
    type: 'circle'
  }, opts.extra.scatter);
  let xAxisData = opts.chartData.xAxisData,
    xAxisPoints = xAxisData.xAxisPoints,
    eachSpacing = xAxisData.eachSpacing;
  var calPoints = [];
  context.save();
  let leftSpace = 0;
  let rightSpace = opts.width + eachSpacing;
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
    context.translate(opts._scrollDistance_, 0);
    leftSpace = -opts._scrollDistance_ - eachSpacing * 2 + opts.area[3];
    rightSpace = leftSpace + (opts.xAxis.itemCount + 4) * eachSpacing;
  }
  series.forEach(function(eachSeries, seriesIndex) {
    let ranges, minRange, maxRange;
    ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
    minRange = ranges.pop();
    maxRange = ranges.shift();
    var data = eachSeries.data;
    var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
    context.beginPath();
    context.setStrokeStyle(eachSeries.color);
    context.setFillStyle(eachSeries.color);
    context.setLineWidth(1 * opts.pix);
    var shape = eachSeries.pointShape;
    if (shape === 'diamond') {
      points.forEach(function(item, index) {
        if (item !== null) {
          context.moveTo(item.x, item.y - 4.5);
          context.lineTo(item.x - 4.5, item.y);
          context.lineTo(item.x, item.y + 4.5);
          context.lineTo(item.x + 4.5, item.y);
          context.lineTo(item.x, item.y - 4.5);
        }
      });
    } else if (shape === 'circle') {
      points.forEach(function(item, index) {
        if (item !== null) {
          context.moveTo(item.x + 2.5 * opts.pix, item.y);
          context.arc(item.x, item.y, 3 * opts.pix, 0, 2 * Math.PI, false);
        }
      });
    } else if (shape === 'square') {
      points.forEach(function(item, index) {
        if (item !== null) {
          context.moveTo(item.x - 3.5, item.y - 3.5);
          context.rect(item.x - 3.5, item.y - 3.5, 7, 7);
        }
      });
    } else if (shape === 'triangle') {
      points.forEach(function(item, index) {
        if (item !== null) {
          context.moveTo(item.x, item.y - 4.5);
          context.lineTo(item.x - 4.5, item.y + 4.5);
          context.lineTo(item.x + 4.5, item.y + 4.5);
          context.lineTo(item.x, item.y - 4.5);
        }
      });
    } else if (shape === 'triangle') {
      return;
    }
    context.closePath();
    context.fill();
    context.stroke();
  });
  if (opts.dataLabel !== false && process === 1) {
    series.forEach(function(eachSeries, seriesIndex) {
      let ranges, minRange, maxRange;
      ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
      minRange = ranges.pop();
      maxRange = ranges.shift();
      var data = eachSeries.data;
      var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
      drawPointText(points, eachSeries, config, context, opts);
    });
  }
  context.restore();
  return {
    xAxisPoints: xAxisPoints,
    calPoints: calPoints,
    eachSpacing: eachSpacing
  };
}

function drawBubbleDataPoints(series, opts, config, context) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  var bubbleOption = assign({}, {
    opacity: 1,
    border:2
  }, opts.extra.bubble);
  let xAxisData = opts.chartData.xAxisData,
    xAxisPoints = xAxisData.xAxisPoints,
    eachSpacing = xAxisData.eachSpacing;
  var calPoints = [];
  context.save();
  let leftSpace = 0;
  let rightSpace = opts.width + eachSpacing;
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
    context.translate(opts._scrollDistance_, 0);
    leftSpace = -opts._scrollDistance_ - eachSpacing * 2 + opts.area[3];
    rightSpace = leftSpace + (opts.xAxis.itemCount + 4) * eachSpacing;
  }
  series.forEach(function(eachSeries, seriesIndex) {
    let ranges, minRange, maxRange;
    ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
    minRange = ranges.pop();
    maxRange = ranges.shift();
    var data = eachSeries.data;
    var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
    context.beginPath();
    context.setStrokeStyle(eachSeries.color);
    context.setLineWidth(bubbleOption.border * opts.pix);
    context.setFillStyle(hexToRgb(eachSeries.color, bubbleOption.opacity));
    points.forEach(function(item, index) {
      context.moveTo(item.x + item.r, item.y);
      context.arc(item.x, item.y, item.r * opts.pix, 0, 2 * Math.PI, false);
    });
    context.closePath();
    context.fill();
    context.stroke();
    
    if (opts.dataLabel !== false && process === 1) {
      points.forEach(function(item, index) {
        context.beginPath();
        var fontSize = series.textSize * opts.pix || config.fontSize;
        context.setFontSize(fontSize);
        context.setFillStyle(series.textColor || "#FFFFFF");
        context.setTextAlign('center');
        context.fillText(String(item.t), item.x, item.y + fontSize/2);
        context.closePath();
        context.stroke();
        context.setTextAlign('left');
      });
    }
  });
  context.restore();
  return {
    xAxisPoints: xAxisPoints,
    calPoints: calPoints,
    eachSpacing: eachSpacing
  };
}


function drawLineDataPoints(series, opts, config, context) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  var lineOption = assign({}, {
    type: 'straight',
    width: 2
  }, opts.extra.line);
  lineOption.width *= opts.pix;
  let xAxisData = opts.chartData.xAxisData,
    xAxisPoints = xAxisData.xAxisPoints,
    eachSpacing = xAxisData.eachSpacing;
  var calPoints = [];
  context.save();
  let leftSpace = 0;
  let rightSpace = opts.width + eachSpacing;
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
    context.translate(opts._scrollDistance_, 0);
    leftSpace = -opts._scrollDistance_ - eachSpacing * 2 + opts.area[3];
    rightSpace = leftSpace + (opts.xAxis.itemCount + 4) * eachSpacing;
  }
  series.forEach(function(eachSeries, seriesIndex) {
    let ranges, minRange, maxRange;
    ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
    minRange = ranges.pop();
    maxRange = ranges.shift();
    var data = eachSeries.data;
    var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
    calPoints.push(points);
    var splitPointList = splitPoints(points,eachSeries);
    if (eachSeries.lineType == 'dash') {
      let dashLength = eachSeries.dashLength ? eachSeries.dashLength : 8;
      dashLength *= opts.pix;
      context.setLineDash([dashLength, dashLength]);
    }
    context.beginPath();
    context.setStrokeStyle(eachSeries.color);
    context.setLineWidth(lineOption.width);
    splitPointList.forEach(function(points, index) {
      if (points.length === 1) {
        context.moveTo(points[0].x, points[0].y);
        context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI);
      } else {
        context.moveTo(points[0].x, points[0].y);
        let startPoint = 0;
        if (lineOption.type === 'curve') {
          for (let j = 0; j < points.length; j++) {
            let item = points[j];
            if (startPoint == 0 && item.x > leftSpace) {
              context.moveTo(item.x, item.y);
              startPoint = 1;
            }
            if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
              var ctrlPoint = createCurveControlPoints(points, j - 1);
              context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y);
            }
          };
        }
        if (lineOption.type === 'straight') {
          for (let j = 0; j < points.length; j++) {
            let item = points[j];
            if (startPoint == 0 && item.x > leftSpace) {
              context.moveTo(item.x, item.y);
              startPoint = 1;
            }
            if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
              context.lineTo(item.x, item.y);
            }
          };
        }
        if (lineOption.type === 'step') {
          for (let j = 0; j < points.length; j++) {
            let item = points[j];
            if (startPoint == 0 && item.x > leftSpace) {
              context.moveTo(item.x, item.y);
              startPoint = 1;
            }
            if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
              context.lineTo(item.x, points[j - 1].y);
              context.lineTo(item.x, item.y);
            }
          };
        }
        context.moveTo(points[0].x, points[0].y);
      }
    });
    context.stroke();
    context.setLineDash([]);
    if (opts.dataPointShape !== false) {
      drawPointShape(points, eachSeries.color, eachSeries.pointShape, context, opts);
    }
  });
  if (opts.dataLabel !== false && process === 1) {
    series.forEach(function(eachSeries, seriesIndex) {
      let ranges, minRange, maxRange;
      ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
      minRange = ranges.pop();
      maxRange = ranges.shift();
      var data = eachSeries.data;
      var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
      drawPointText(points, eachSeries, config, context, opts);
    });
  }
  context.restore();
  return {
    xAxisPoints: xAxisPoints,
    calPoints: calPoints,
    eachSpacing: eachSpacing
  };
}

function drawMixDataPoints(series, opts, config, context) {
  let process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  let columnOption = assign({}, {
    width: eachSpacing / 2,
    barBorderCircle: false,
    barBorderRadius: [],
    seriesGap: 2,
    linearType: 'none',
    linearOpacity: 1,
    customColor: [],
    colorStop: 0,
  }, opts.extra.mix.column);
  let xAxisData = opts.chartData.xAxisData,
    xAxisPoints = xAxisData.xAxisPoints,
    eachSpacing = xAxisData.eachSpacing;
  let endY = opts.height - opts.area[2];
  let calPoints = [];
  var columnIndex = 0;
  var columnLength = 0;
  series.forEach(function(eachSeries, seriesIndex) {
    if (eachSeries.type == 'column') {
      columnLength += 1;
    }
  });
  context.save();
  let leftNum = -2;
  let rightNum = xAxisPoints.length + 2;
  let leftSpace = 0;
  let rightSpace = opts.width + eachSpacing;
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
    context.translate(opts._scrollDistance_, 0);
    leftNum = Math.floor(-opts._scrollDistance_ / eachSpacing) - 2;
    rightNum = leftNum + opts.xAxis.itemCount + 4;
    leftSpace = -opts._scrollDistance_ - eachSpacing * 2 + opts.area[3];
    rightSpace = leftSpace + (opts.xAxis.itemCount + 4) * eachSpacing;
  }
  columnOption.customColor = fillCustomColor(columnOption.linearType, columnOption.customColor, series, config);
  series.forEach(function(eachSeries, seriesIndex) {
    let ranges, minRange, maxRange;
    ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
    minRange = ranges.pop();
    maxRange = ranges.shift();
    var data = eachSeries.data;
    var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
    calPoints.push(points);
    // 绘制柱状数据图
    if (eachSeries.type == 'column') {
      points = fixColumeData(points, eachSpacing, columnLength, columnIndex, config, opts);
      for (let i = 0; i < points.length; i++) {
        let item = points[i];
        if (item !== null && i > leftNum && i < rightNum) {
          var startX = item.x - item.width / 2;
          var height = opts.height - item.y - opts.area[2];
          context.beginPath();
          var fillColor = item.color || eachSeries.color
          var strokeColor = item.color || eachSeries.color
          if (columnOption.linearType !== 'none') {
            var grd = context.createLinearGradient(startX, item.y, startX, opts.height - opts.area[2]);
            //透明渐变
            if (columnOption.linearType == 'opacity') {
              grd.addColorStop(0, hexToRgb(fillColor, columnOption.linearOpacity));
              grd.addColorStop(1, hexToRgb(fillColor, 1));
            } else {
              grd.addColorStop(0, hexToRgb(columnOption.customColor[eachSeries.linearIndex], columnOption.linearOpacity));
              grd.addColorStop(columnOption.colorStop, hexToRgb(columnOption.customColor[eachSeries.linearIndex], columnOption.linearOpacity));
              grd.addColorStop(1, hexToRgb(fillColor, 1));
            }
            fillColor = grd
          }
          // 圆角边框
          if ((columnOption.barBorderRadius && columnOption.barBorderRadius.length === 4) || columnOption.barBorderCircle) {
            const left = startX;
            const top = item.y;
            const width = item.width;
            const height = opts.height - opts.area[2] - item.y;
            if (columnOption.barBorderCircle) {
              columnOption.barBorderRadius = [width / 2, width / 2, 0, 0];
            }
            let [r0, r1, r2, r3] = columnOption.barBorderRadius;
            let minRadius = Math.min(width/2,height/2);
            r0 = r0 > minRadius ? minRadius : r0;
            r1 = r1 > minRadius ? minRadius : r1;
            r2 = r2 > minRadius ? minRadius : r2;
            r3 = r3 > minRadius ? minRadius : r3;
            r0 = r0 < 0 ? 0 : r0;
            r1 = r1 < 0 ? 0 : r1;
            r2 = r2 < 0 ? 0 : r2;
            r3 = r3 < 0 ? 0 : r3;
            context.arc(left + r0, top + r0, r0, -Math.PI, -Math.PI / 2);
            context.arc(left + width - r1, top + r1, r1, -Math.PI / 2, 0);
            context.arc(left + width - r2, top + height - r2, r2, 0, Math.PI / 2);
            context.arc(left + r3, top + height - r3, r3, Math.PI / 2, Math.PI);
          } else {
            context.moveTo(startX, item.y);
            context.lineTo(startX + item.width - 2, item.y);
            context.lineTo(startX + item.width - 2, opts.height - opts.area[2]);
            context.lineTo(startX, opts.height - opts.area[2]);
            context.lineTo(startX, item.y);
            context.setLineWidth(1)
            context.setStrokeStyle(strokeColor);
          }
          context.setFillStyle(fillColor);
          context.closePath();
          context.fill();
        }
      }
      columnIndex += 1;
    }
    //绘制区域图数据
    if (eachSeries.type == 'area') {
      let splitPointList = splitPoints(points,eachSeries);
      for (let i = 0; i < splitPointList.length; i++) {
        let points = splitPointList[i];
        // 绘制区域数据
        context.beginPath();
        context.setStrokeStyle(eachSeries.color);
        context.setFillStyle(hexToRgb(eachSeries.color, 0.2));
        context.setLineWidth(2 * opts.pix);
        if (points.length > 1) {
          var firstPoint = points[0];
          let lastPoint = points[points.length - 1];
          context.moveTo(firstPoint.x, firstPoint.y);
          let startPoint = 0;
          if (eachSeries.style === 'curve') {
            for (let j = 0; j < points.length; j++) {
              let item = points[j];
              if (startPoint == 0 && item.x > leftSpace) {
                context.moveTo(item.x, item.y);
                startPoint = 1;
              }
              if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
                var ctrlPoint = createCurveControlPoints(points, j - 1);
                context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y);
              }
            };
          } else {
            for (let j = 0; j < points.length; j++) {
              let item = points[j];
              if (startPoint == 0 && item.x > leftSpace) {
                context.moveTo(item.x, item.y);
                startPoint = 1;
              }
              if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
                context.lineTo(item.x, item.y);
              }
            };
          }
          context.lineTo(lastPoint.x, endY);
          context.lineTo(firstPoint.x, endY);
          context.lineTo(firstPoint.x, firstPoint.y);
        } else {
          let item = points[0];
          context.moveTo(item.x - eachSpacing / 2, item.y);
          context.lineTo(item.x + eachSpacing / 2, item.y);
          context.lineTo(item.x + eachSpacing / 2, endY);
          context.lineTo(item.x - eachSpacing / 2, endY);
          context.moveTo(item.x - eachSpacing / 2, item.y);
        }
        context.closePath();
        context.fill();
      }
    }
    // 绘制折线数据图
    if (eachSeries.type == 'line') {
      var splitPointList = splitPoints(points,eachSeries);
      splitPointList.forEach(function(points, index) {
        if (eachSeries.lineType == 'dash') {
          let dashLength = eachSeries.dashLength ? eachSeries.dashLength : 8;
          dashLength *= opts.pix;
          context.setLineDash([dashLength, dashLength]);
        }
        context.beginPath();
        context.setStrokeStyle(eachSeries.color);
        context.setLineWidth(2 * opts.pix);
        if (points.length === 1) {
          context.moveTo(points[0].x, points[0].y);
          context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI);
        } else {
          context.moveTo(points[0].x, points[0].y);
          let startPoint = 0;
          if (eachSeries.style == 'curve') {
            for (let j = 0; j < points.length; j++) {
              let item = points[j];
              if (startPoint == 0 && item.x > leftSpace) {
                context.moveTo(item.x, item.y);
                startPoint = 1;
              }
              if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
                var ctrlPoint = createCurveControlPoints(points, j - 1);
                context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y,
                  item.x, item.y);
              }
            }
          } else {
            for (let j = 0; j < points.length; j++) {
              let item = points[j];
              if (startPoint == 0 && item.x > leftSpace) {
                context.moveTo(item.x, item.y);
                startPoint = 1;
              }
              if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
                context.lineTo(item.x, item.y);
              }
            }
          }
          context.moveTo(points[0].x, points[0].y);
        }
        context.stroke();
        context.setLineDash([]);
      });
    }
    // 绘制点数据图
    if (eachSeries.type == 'point') {
      eachSeries.addPoint = true;
    }
    if (eachSeries.addPoint == true && eachSeries.type !== 'column') {
      drawPointShape(points, eachSeries.color, eachSeries.pointShape, context, opts);
    }
  });
  if (opts.dataLabel !== false && process === 1) {
    var columnIndex = 0;
    series.forEach(function(eachSeries, seriesIndex) {
      let ranges, minRange, maxRange;
      ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
      minRange = ranges.pop();
      maxRange = ranges.shift();
      var data = eachSeries.data;
      var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
      if (eachSeries.type !== 'column') {
        drawPointText(points, eachSeries, config, context, opts);
      } else {
        points = fixColumeData(points, eachSpacing, columnLength, columnIndex, config, opts);
        drawPointText(points, eachSeries, config, context, opts);
        columnIndex += 1;
      }
    });
  }
  context.restore();
  return {
    xAxisPoints: xAxisPoints,
    calPoints: calPoints,
    eachSpacing: eachSpacing,
  }
}

function drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints) {
  var toolTipOption = opts.extra.tooltip || {};
  if (toolTipOption.horizentalLine && opts.tooltip && process === 1 && (opts.type == 'line' || opts.type == 'area' || opts.type == 'column' || opts.type == 'candle' || opts.type == 'mix')) {
    drawToolTipHorizentalLine(opts, config, context, eachSpacing, xAxisPoints)
  }
  context.save();
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
    context.translate(opts._scrollDistance_, 0);
  }
  if (opts.tooltip && opts.tooltip.textList && opts.tooltip.textList.length && process === 1) {
    drawToolTip(opts.tooltip.textList, opts.tooltip.offset, opts, config, context, eachSpacing, xAxisPoints);
  }
  context.restore();

}

function drawXAxis(categories, opts, config, context) {

  let xAxisData = opts.chartData.xAxisData,
    xAxisPoints = xAxisData.xAxisPoints,
    startX = xAxisData.startX,
    endX = xAxisData.endX,
    eachSpacing = xAxisData.eachSpacing;
  var boundaryGap = 'center';
  if (opts.type == 'bar' || opts.type == 'line' || opts.type == 'area'|| opts.type == 'scatter' || opts.type == 'bubble') {
    boundaryGap = opts.xAxis.boundaryGap;
  }
  var startY = opts.height - opts.area[2];
  var endY = opts.area[0];

  //绘制滚动条
  if (opts.enableScroll && opts.xAxis.scrollShow) {
    var scrollY = opts.height - opts.area[2] + config.xAxisHeight;
    var scrollScreenWidth = endX - startX;
    var scrollTotalWidth = eachSpacing * (xAxisPoints.length - 1);
    var scrollWidth = scrollScreenWidth * scrollScreenWidth / scrollTotalWidth;
    var scrollLeft = 0;
    if (opts._scrollDistance_) {
      scrollLeft = -opts._scrollDistance_ * (scrollScreenWidth) / scrollTotalWidth;
    }
    context.beginPath();
    context.setLineCap('round');
    context.setLineWidth(6 * opts.pix);
    context.setStrokeStyle(opts.xAxis.scrollBackgroundColor || "#EFEBEF");
    context.moveTo(startX, scrollY);
    context.lineTo(endX, scrollY);
    context.stroke();
    context.closePath();
    context.beginPath();
    context.setLineCap('round');
    context.setLineWidth(6 * opts.pix);
    context.setStrokeStyle(opts.xAxis.scrollColor || "#A6A6A6");
    context.moveTo(startX + scrollLeft, scrollY);
    context.lineTo(startX + scrollLeft + scrollWidth, scrollY);
    context.stroke();
    context.closePath();
    context.setLineCap('butt');
  }
  context.save();
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0) {
    context.translate(opts._scrollDistance_, 0);
  }
  //绘制X轴刻度线
  if (opts.xAxis.calibration === true) {
    context.setStrokeStyle(opts.xAxis.gridColor || "#cccccc");
    context.setLineCap('butt');
    context.setLineWidth(1 * opts.pix);
    xAxisPoints.forEach(function(item, index) {
      if (index > 0) {
        context.beginPath();
        context.moveTo(item - eachSpacing / 2, startY);
        context.lineTo(item - eachSpacing / 2, startY + 3 * opts.pix);
        context.closePath();
        context.stroke();
      }
    });
  }
  //绘制X轴网格
  if (opts.xAxis.disableGrid !== true) {
    context.setStrokeStyle(opts.xAxis.gridColor || "#cccccc");
    context.setLineCap('butt');
    context.setLineWidth(1 * opts.pix);
    if (opts.xAxis.gridType == 'dash') {
      context.setLineDash([opts.xAxis.dashLength * opts.pix, opts.xAxis.dashLength * opts.pix]);
    }
    opts.xAxis.gridEval = opts.xAxis.gridEval || 1;
    xAxisPoints.forEach(function(item, index) {
      if (index % opts.xAxis.gridEval == 0) {
        context.beginPath();
        context.moveTo(item, startY);
        context.lineTo(item, endY);
        context.stroke();
      }
    });
    context.setLineDash([]);
  }
  //绘制X轴文案
  if (opts.xAxis.disabled !== true) {
    // 对X轴列表做抽稀处理
    //默认全部显示X轴标签
    let maxXAxisListLength = categories.length;
    //如果设置了X轴单屏数量
    if (opts.xAxis.labelCount) {
      //如果设置X轴密度
      if (opts.xAxis.itemCount) {
        maxXAxisListLength = Math.ceil(categories.length / opts.xAxis.itemCount * opts.xAxis.labelCount);
      } else {
        maxXAxisListLength = opts.xAxis.labelCount;
      }
      maxXAxisListLength -= 1;
    }

    let ratio = Math.ceil(categories.length / maxXAxisListLength);

    let newCategories = [];
    let cgLength = categories.length;
    for (let i = 0; i < cgLength; i++) {
      if (i % ratio !== 0) {
        newCategories.push("");
      } else {
        newCategories.push(categories[i]);
      }
    }
    newCategories[cgLength - 1] = categories[cgLength - 1];
    var xAxisFontSize = opts.xAxis.fontSize * opts.pix || config.fontSize;
    if (config._xAxisTextAngle_ === 0) {
      newCategories.forEach(function(item, index) {
        var xitem = opts.xAxis.formatter ? opts.xAxis.formatter(item) : item;
        var offset = -measureText(String(xitem), xAxisFontSize, context) / 2;
        if (boundaryGap == 'center') {
          offset += eachSpacing / 2;
        }
        var scrollHeight = 0;
        if (opts.xAxis.scrollShow) {
          scrollHeight = 6 * opts.pix;
        }
        context.beginPath();
        context.setFontSize(xAxisFontSize);
        context.setFillStyle(opts.xAxis.fontColor || opts.fontColor);
        context.fillText(String(xitem), xAxisPoints[index] + offset, startY + xAxisFontSize + (config.xAxisHeight - scrollHeight - xAxisFontSize) / 2);
        context.closePath();
        context.stroke();
      });
    } else {
      newCategories.forEach(function(item, index) {
        var xitem = opts.xAxis.formatter ? opts.xAxis.formatter(item) : item;
        context.save();
        context.beginPath();
        context.setFontSize(xAxisFontSize);
        context.setFillStyle(opts.xAxis.fontColor || opts.fontColor);
        var textWidth = measureText(String(xitem), xAxisFontSize, context);
        var offset = -textWidth;
        if (boundaryGap == 'center') {
          offset += eachSpacing / 2;
        }
        var _calRotateTranslate = calRotateTranslate(xAxisPoints[index] + eachSpacing / 2, startY + xAxisFontSize / 2 + 5, opts.height),
          transX = _calRotateTranslate.transX,
          transY = _calRotateTranslate.transY;

        context.rotate(-1 * config._xAxisTextAngle_);
        context.translate(transX, transY);
        context.fillText(String(xitem), xAxisPoints[index] + offset, startY + xAxisFontSize + 5);
        context.closePath();
        context.stroke();
        context.restore();
      });
    }
  }
  context.restore();
  //绘制X轴轴线
  if (opts.xAxis.axisLine) {
    context.beginPath();
    context.setStrokeStyle(opts.xAxis.axisLineColor);
    context.setLineWidth(1 * opts.pix);
    context.moveTo(startX, opts.height - opts.area[2]);
    context.lineTo(endX, opts.height - opts.area[2]);
    context.stroke();
  }
}

function drawYAxisGrid(categories, opts, config, context) {
  if (opts.yAxis.disableGrid === true) {
    return;
  }
  let spacingValid = opts.height - opts.area[0] - opts.area[2];
  let eachSpacing = spacingValid / opts.yAxis.splitNumber;
  let startX = opts.area[3];
  let xAxisPoints = opts.chartData.xAxisData.xAxisPoints,
    xAxiseachSpacing = opts.chartData.xAxisData.eachSpacing;
  let TotalWidth = xAxiseachSpacing * (xAxisPoints.length - 1);
  let endX = startX + TotalWidth;
  let points = [];
  let startY = 1
  if (opts.xAxis.axisLine === false) {
    startY = 0
  }
  for (let i = startY; i < opts.yAxis.splitNumber + 1; i++) {
    points.push(opts.height - opts.area[2] - eachSpacing * i);
  }
  context.save();
  if (opts._scrollDistance_ && opts._scrollDistance_ !== 0) {
    context.translate(opts._scrollDistance_, 0);
  }
  if (opts.yAxis.gridType == 'dash') {
    context.setLineDash([opts.yAxis.dashLength * opts.pix, opts.yAxis.dashLength * opts.pix]);
  }
  context.setStrokeStyle(opts.yAxis.gridColor);
  context.setLineWidth(1 * opts.pix);
  points.forEach(function(item, index) {
    context.beginPath();
    context.moveTo(startX, item);
    context.lineTo(endX, item);
    context.stroke();
  });
  context.setLineDash([]);
  context.restore();
}

function drawYAxis(series, opts, config, context) {
  if (opts.yAxis.disabled === true) {
    return;
  }
  var spacingValid = opts.height - opts.area[0] - opts.area[2];
  var eachSpacing = spacingValid / opts.yAxis.splitNumber;
  var startX = opts.area[3];
  var endX = opts.width - opts.area[1];
  var endY = opts.height - opts.area[2];
  var fillEndY = endY + config.xAxisHeight;
  if (opts.xAxis.scrollShow) {
    fillEndY -= 3 * opts.pix;
  }
  if (opts.xAxis.rotateLabel) {
    fillEndY = opts.height - opts.area[2] + opts.fontSize * opts.pix / 2;
  }
  // set YAxis background
  context.beginPath();
  context.setFillStyle(opts.background);
  if (opts.enableScroll == true && opts.xAxis.scrollPosition && opts.xAxis.scrollPosition !== 'left') {
    context.fillRect(0, 0, startX, fillEndY);
  }
  if (opts.enableScroll == true && opts.xAxis.scrollPosition && opts.xAxis.scrollPosition !== 'right') {
    context.fillRect(endX, 0, opts.width, fillEndY);
  }
  context.closePath();
  context.stroke();
  
  let tStartLeft = opts.area[3];
  let tStartRight = opts.width - opts.area[1];
  let tStartCenter = opts.area[3] + (opts.width - opts.area[1] - opts.area[3]) / 2;
  if (opts.yAxis.data) {
    for (let i = 0; i < opts.yAxis.data.length; i++) {
      let yData = opts.yAxis.data[i];
      var points = [];
      if(yData.type === 'categories'){
        for (let i = 0; i <= yData.categories.length; i++) {
          points.push(opts.area[0] + spacingValid / yData.categories.length / 2 + spacingValid / yData.categories.length * i);
        }
      }else{
        for (let i = 0; i <= opts.yAxis.splitNumber; i++) {
          points.push(opts.area[0] + eachSpacing * i);
        }
      }
      if (yData.disabled !== true) {
        let rangesFormat = opts.chartData.yAxisData.rangesFormat[i];
        let yAxisFontSize = yData.fontSize ? yData.fontSize * opts.pix : config.fontSize;
        let yAxisWidth = opts.chartData.yAxisData.yAxisWidth[i];
        let textAlign = yData.textAlign || "right";
        //画Y轴刻度及文案
        rangesFormat.forEach(function(item, index) {
          var pos = points[index] ? points[index] : endY;
          context.beginPath();
          context.setFontSize(yAxisFontSize);
          context.setLineWidth(1 * opts.pix);
          context.setStrokeStyle(yData.axisLineColor || '#cccccc');
          context.setFillStyle(yData.fontColor || opts.fontColor);
          let tmpstrat = 0;
          let gapwidth = 4 * opts.pix;
          if (yAxisWidth.position == 'left') {
            //画刻度线
            if (yData.calibration == true) {
              context.moveTo(tStartLeft, pos);
              context.lineTo(tStartLeft - 3 * opts.pix, pos);
              gapwidth += 3 * opts.pix;
            }
            //画文字
            switch (textAlign) {
              case "left":
                context.setTextAlign('left');
                tmpstrat = tStartLeft - yAxisWidth.width
                break;
              case "right":
                context.setTextAlign('right');
                tmpstrat = tStartLeft - gapwidth
                break;
              default:
                context.setTextAlign('center');
                tmpstrat = tStartLeft - yAxisWidth.width / 2
            }
            context.fillText(String(item), tmpstrat, pos + yAxisFontSize / 2 - 3 * opts.pix);

          } else if (yAxisWidth.position == 'right') {
            //画刻度线
            if (yData.calibration == true) {
              context.moveTo(tStartRight, pos);
              context.lineTo(tStartRight + 3 * opts.pix, pos);
              gapwidth += 3 * opts.pix;
            }
            switch (textAlign) {
              case "left":
                context.setTextAlign('left');
                tmpstrat = tStartRight + gapwidth
                break;
              case "right":
                context.setTextAlign('right');
                tmpstrat = tStartRight + yAxisWidth.width
                break;
              default:
                context.setTextAlign('center');
                tmpstrat = tStartRight + yAxisWidth.width / 2
            }
            context.fillText(String(item), tmpstrat, pos + yAxisFontSize / 2 - 3 * opts.pix);
          } else if (yAxisWidth.position == 'center') {
            //画刻度线
            if (yData.calibration == true) {
              context.moveTo(tStartCenter, pos);
              context.lineTo(tStartCenter - 3 * opts.pix, pos);
              gapwidth += 3 * opts.pix;
            }
            //画文字
            switch (textAlign) {
              case "left":
                context.setTextAlign('left');
                tmpstrat = tStartCenter - yAxisWidth.width
                break;
              case "right":
                context.setTextAlign('right');
                tmpstrat = tStartCenter - gapwidth
                break;
              default:
                context.setTextAlign('center');
                tmpstrat = tStartCenter - yAxisWidth.width / 2
            }
            context.fillText(String(item), tmpstrat, pos + yAxisFontSize / 2 - 3 * opts.pix);
          }
          context.closePath();
          context.stroke();
          context.setTextAlign('left');
        });
        //画Y轴轴线
        if (yData.axisLine !== false) {
          context.beginPath();
          context.setStrokeStyle(yData.axisLineColor || '#cccccc');
          context.setLineWidth(1 * opts.pix);
          if (yAxisWidth.position == 'left') {
            context.moveTo(tStartLeft, opts.height - opts.area[2]);
            context.lineTo(tStartLeft, opts.area[0]);
          } else if (yAxisWidth.position == 'right') {
            context.moveTo(tStartRight, opts.height - opts.area[2]);
            context.lineTo(tStartRight, opts.area[0]);
          } else if (yAxisWidth.position == 'center') {
            context.moveTo(tStartCenter, opts.height - opts.area[2]);
            context.lineTo(tStartCenter, opts.area[0]);
          }
          context.stroke();
        }
        //画Y轴标题
        if (opts.yAxis.showTitle) {
          let titleFontSize = yData.titleFontSize * opts.pix || config.fontSize;
          let title = yData.title;
          context.beginPath();
          context.setFontSize(titleFontSize);
          context.setFillStyle(yData.titleFontColor || opts.fontColor);
          if (yAxisWidth.position == 'left') {
            context.fillText(title, tStartLeft - measureText(title, titleFontSize, context) / 2 + (yData.titleOffsetX || 0), opts.area[0] - (10 - (yData.titleOffsetY || 0)) * opts.pix);
          } else if (yAxisWidth.position == 'right') {
            context.fillText(title, tStartRight - measureText(title, titleFontSize, context) / 2 + (yData.titleOffsetX || 0), opts.area[0] - (10 - (yData.titleOffsetY || 0)) * opts.pix);
          } else if (yAxisWidth.position == 'center') {
            context.fillText(title, tStartCenter - measureText(title, titleFontSize, context) / 2 + (yData.titleOffsetX || 0), opts.area[0] - (10 - (yData.titleOffsetY || 0)) * opts.pix);
          }
          context.closePath();
          context.stroke();
        }
        if (yAxisWidth.position == 'left') {
          tStartLeft -= (yAxisWidth.width + opts.yAxis.padding * opts.pix);
        } else {
          tStartRight += yAxisWidth.width + opts.yAxis.padding * opts.pix;
        }
      }
    }
  }

}

function drawLegend(series, opts, config, context, chartData) {
  if (opts.legend.show === false) {
    return;
  }
  let legendData = chartData.legendData;
  let legendList = legendData.points;
  let legendArea = legendData.area;
  let padding = opts.legend.padding * opts.pix;
  let fontSize = opts.legend.fontSize * opts.pix;
  let shapeWidth = 15 * opts.pix;
  let shapeRight = 5 * opts.pix;
  let itemGap = opts.legend.itemGap * opts.pix;
  let lineHeight = Math.max(opts.legend.lineHeight * opts.pix, fontSize);
  //画背景及边框
  context.beginPath();
  context.setLineWidth(opts.legend.borderWidth * opts.pix);
  context.setStrokeStyle(opts.legend.borderColor);
  context.setFillStyle(opts.legend.backgroundColor);
  context.moveTo(legendArea.start.x, legendArea.start.y);
  context.rect(legendArea.start.x, legendArea.start.y, legendArea.width, legendArea.height);
  context.closePath();
  context.fill();
  context.stroke();
  legendList.forEach(function(itemList, listIndex) {
    let width = 0;
    let height = 0;
    width = legendData.widthArr[listIndex];
    height = legendData.heightArr[listIndex];
    let startX = 0;
    let startY = 0;
    if (opts.legend.position == 'top' || opts.legend.position == 'bottom') {
      switch (opts.legend.float) {
        case 'left':
          startX = legendArea.start.x + padding;
        break;
        case 'right':
          startX = legendArea.start.x + legendArea.width - width;
        break;
        default:
        startX = legendArea.start.x + (legendArea.width - width) / 2;
      }
      startY = legendArea.start.y + padding + listIndex * lineHeight;
    } else {
      if (listIndex == 0) {
        width = 0;
      } else {
        width = legendData.widthArr[listIndex - 1];
      }
      startX = legendArea.start.x + padding + width;
      startY = legendArea.start.y + padding + (legendArea.height - height) / 2;
    }
    context.setFontSize(config.fontSize);
    for (let i = 0; i < itemList.length; i++) {
      let item = itemList[i];
      item.area = [0, 0, 0, 0];
      item.area[0] = startX;
      item.area[1] = startY;
      item.area[3] = startY + lineHeight;
      context.beginPath();
      context.setLineWidth(1 * opts.pix);
      context.setStrokeStyle(item.show ? item.color : opts.legend.hiddenColor);
      context.setFillStyle(item.show ? item.color : opts.legend.hiddenColor);
      switch (item.legendShape) {
        case 'line':
          context.moveTo(startX, startY + 0.5 * lineHeight - 2 * opts.pix);
          context.fillRect(startX, startY + 0.5 * lineHeight - 2 * opts.pix, 15 * opts.pix, 4 * opts.pix);
          break;
        case 'triangle':
          context.moveTo(startX + 7.5 * opts.pix, startY + 0.5 * lineHeight - 5 * opts.pix);
          context.lineTo(startX + 2.5 * opts.pix, startY + 0.5 * lineHeight + 5 * opts.pix);
          context.lineTo(startX + 12.5 * opts.pix, startY + 0.5 * lineHeight + 5 * opts.pix);
          context.lineTo(startX + 7.5 * opts.pix, startY + 0.5 * lineHeight - 5 * opts.pix);
          break;
        case 'diamond':
          context.moveTo(startX + 7.5 * opts.pix, startY + 0.5 * lineHeight - 5 * opts.pix);
          context.lineTo(startX + 2.5 * opts.pix, startY + 0.5 * lineHeight);
          context.lineTo(startX + 7.5 * opts.pix, startY + 0.5 * lineHeight + 5 * opts.pix);
          context.lineTo(startX + 12.5 * opts.pix, startY + 0.5 * lineHeight);
          context.lineTo(startX + 7.5 * opts.pix, startY + 0.5 * lineHeight - 5 * opts.pix);
          break;
        case 'circle':
          context.moveTo(startX + 7.5 * opts.pix, startY + 0.5 * lineHeight);
          context.arc(startX + 7.5 * opts.pix, startY + 0.5 * lineHeight, 5 * opts.pix, 0, 2 * Math.PI);
          break;
        case 'rect':
          context.moveTo(startX, startY + 0.5 * lineHeight - 5 * opts.pix);
          context.fillRect(startX, startY + 0.5 * lineHeight - 5 * opts.pix, 15 * opts.pix, 10 * opts.pix);
          break;
        case 'square':
          context.moveTo(startX + 5 * opts.pix, startY + 0.5 * lineHeight - 5 * opts.pix);
          context.fillRect(startX + 5 * opts.pix, startY + 0.5 * lineHeight - 5 * opts.pix, 10 * opts.pix, 10 * opts.pix);
          break;
        case 'none':
          break;
        default:
          context.moveTo(startX, startY + 0.5 * lineHeight - 5 * opts.pix);
          context.fillRect(startX, startY + 0.5 * lineHeight - 5 * opts.pix, 15 * opts.pix, 10 * opts.pix);
      }
      context.closePath();
      context.fill();
      context.stroke();
      startX += shapeWidth + shapeRight;
      let fontTrans = 0.5 * lineHeight + 0.5 * fontSize - 2;
      context.beginPath();
      context.setFontSize(fontSize);
      context.setFillStyle(item.show ? opts.legend.fontColor : opts.legend.hiddenColor);
      context.fillText(item.name, startX, startY + fontTrans);
      context.closePath();
      context.stroke();
      if (opts.legend.position == 'top' || opts.legend.position == 'bottom') {
        startX += measureText(item.name, fontSize, context) + itemGap;
        item.area[2] = startX;
      } else {
        item.area[2] = startX + measureText(item.name, fontSize, context) + itemGap;;
        startX -= shapeWidth + shapeRight;
        startY += lineHeight;
      }
    }
  });
}

function drawPieDataPoints(series, opts, config, context) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  var pieOption = assign({}, {
    activeOpacity: 0.5,
    activeRadius: 10,
    offsetAngle: 0,
    labelWidth: 15,
    ringWidth: 30,
    customRadius: 0,
    border: false,
    borderWidth: 2,
    borderColor: '#FFFFFF',
    centerColor: '#FFFFFF',
    linearType: 'none',
    customColor: [],
  }, opts.type == "pie" ? opts.extra.pie : opts.extra.ring);
  var centerPosition = {
    x: opts.area[3] + (opts.width - opts.area[1] - opts.area[3]) / 2,
    y: opts.area[0] + (opts.height - opts.area[0] - opts.area[2]) / 2
  };
  if (config.pieChartLinePadding == 0) {
    config.pieChartLinePadding = pieOption.activeRadius * opts.pix;
  }

  var radius = Math.min((opts.width - opts.area[1] - opts.area[3]) / 2 - config.pieChartLinePadding - config.pieChartTextPadding - config._pieTextMaxLength_, (opts.height - opts.area[0] - opts.area[2]) / 2 - config.pieChartLinePadding - config.pieChartTextPadding);
  if (pieOption.customRadius > 0) {
    radius = pieOption.customRadius * opts.pix;
  }
  series = getPieDataPoints(series, radius, process);
  var activeRadius = pieOption.activeRadius * opts.pix;
  pieOption.customColor = fillCustomColor(pieOption.linearType, pieOption.customColor, series, config);
  series = series.map(function(eachSeries) {
    eachSeries._start_ += (pieOption.offsetAngle) * Math.PI / 180;
    return eachSeries;
  });
  series.forEach(function(eachSeries, seriesIndex) {
    if (opts.tooltip) {
      if (opts.tooltip.index == seriesIndex) {
        context.beginPath();
        context.setFillStyle(hexToRgb(eachSeries.color, pieOption.activeOpacity || 0.5));
        context.moveTo(centerPosition.x, centerPosition.y);
        context.arc(centerPosition.x, centerPosition.y, eachSeries._radius_ + activeRadius, eachSeries._start_, eachSeries._start_ + 2 * eachSeries._proportion_ * Math.PI);
        context.closePath();
        context.fill();
      }
    }
    context.beginPath();
    context.setLineWidth(pieOption.borderWidth * opts.pix);
    context.lineJoin = "round";
    context.setStrokeStyle(pieOption.borderColor);
    var fillcolor = eachSeries.color;
    if (pieOption.linearType == 'custom') {
      var grd;
      if(context.createCircularGradient){
        grd = context.createCircularGradient(centerPosition.x, centerPosition.y, eachSeries._radius_)
      }else{
        grd = context.createRadialGradient(centerPosition.x, centerPosition.y, 0,centerPosition.x, centerPosition.y, eachSeries._radius_)
      }
      grd.addColorStop(0, hexToRgb(pieOption.customColor[eachSeries.linearIndex], 1))
      grd.addColorStop(1, hexToRgb(eachSeries.color, 1))
      fillcolor = grd
    }
    context.setFillStyle(fillcolor);
    context.moveTo(centerPosition.x, centerPosition.y);
    context.arc(centerPosition.x, centerPosition.y, eachSeries._radius_, eachSeries._start_, eachSeries._start_ + 2 * eachSeries._proportion_ * Math.PI);
    context.closePath();
    context.fill();
    if (pieOption.border == true) {
      context.stroke();
    }
  });
  if (opts.type === 'ring') {
    var innerPieWidth = radius * 0.6;
    if (typeof pieOption.ringWidth === 'number' && pieOption.ringWidth > 0) {
      innerPieWidth = Math.max(0, radius - pieOption.ringWidth * opts.pix);
    }
    context.beginPath();
    context.setFillStyle(pieOption.centerColor);
    context.moveTo(centerPosition.x, centerPosition.y);
    context.arc(centerPosition.x, centerPosition.y, innerPieWidth, 0, 2 * Math.PI);
    context.closePath();
    context.fill();
  }
  if (opts.dataLabel !== false && process === 1) {
    var valid = false;
    for (var i = 0, len = series.length; i < len; i++) {
      if (series[i].data > 0) {
        valid = true;
        break;
      }
    }
    if (valid) {
      drawPieText(series, opts, config, context, radius, centerPosition);
    }
  }
  if (process === 1 && opts.type === 'ring') {
    drawRingTitle(opts, config, context, centerPosition);
  }
  return {
    center: centerPosition,
    radius: radius,
    series: series
  };
}

function drawRoseDataPoints(series, opts, config, context) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  var roseOption = assign({}, {
    type: 'area',
    activeOpacity: 0.5,
    activeRadius: 10,
    offsetAngle: 0,
    labelWidth: 15,
    border: false,
    borderWidth: 2,
    borderColor: '#FFFFFF',
    linearType: 'none',
    customColor: [],
  }, opts.extra.rose);
  if (config.pieChartLinePadding == 0) {
    config.pieChartLinePadding = roseOption.activeRadius * opts.pix;
  }
  var centerPosition = {
    x: opts.area[3] + (opts.width - opts.area[1] - opts.area[3]) / 2,
    y: opts.area[0] + (opts.height - opts.area[0] - opts.area[2]) / 2
  };
  var radius = Math.min((opts.width - opts.area[1] - opts.area[3]) / 2 - config.pieChartLinePadding - config.pieChartTextPadding - config._pieTextMaxLength_, (opts.height - opts.area[0] - opts.area[2]) / 2 - config.pieChartLinePadding - config.pieChartTextPadding);
  var minRadius = roseOption.minRadius || radius * 0.5;
  series = getRoseDataPoints(series, roseOption.type, minRadius, radius, process);
  var activeRadius = roseOption.activeRadius * opts.pix;
  roseOption.customColor = fillCustomColor(roseOption.linearType, roseOption.customColor, series, config);
  series = series.map(function(eachSeries) {
    eachSeries._start_ += (roseOption.offsetAngle || 0) * Math.PI / 180;
    return eachSeries;
  });
  series.forEach(function(eachSeries, seriesIndex) {
    if (opts.tooltip) {
      if (opts.tooltip.index == seriesIndex) {
        context.beginPath();
        context.setFillStyle(hexToRgb(eachSeries.color, roseOption.activeOpacity || 0.5));
        context.moveTo(centerPosition.x, centerPosition.y);
        context.arc(centerPosition.x, centerPosition.y, activeRadius + eachSeries._radius_, eachSeries._start_, eachSeries._start_ + 2 * eachSeries._rose_proportion_ * Math.PI);
        context.closePath();
        context.fill();
      }
    }
    context.beginPath();
    context.setLineWidth(roseOption.borderWidth * opts.pix);
    context.lineJoin = "round";
    context.setStrokeStyle(roseOption.borderColor);
    var fillcolor = eachSeries.color;
    if (roseOption.linearType == 'custom') {
      var grd;
      if(context.createCircularGradient){
        grd = context.createCircularGradient(centerPosition.x, centerPosition.y, eachSeries._radius_)
      }else{
        grd = context.createRadialGradient(centerPosition.x, centerPosition.y, 0,centerPosition.x, centerPosition.y, eachSeries._radius_)
      }
      grd.addColorStop(0, hexToRgb(roseOption.customColor[eachSeries.linearIndex], 1))
      grd.addColorStop(1, hexToRgb(eachSeries.color, 1))
      fillcolor = grd
    }
    context.setFillStyle(fillcolor);
    context.moveTo(centerPosition.x, centerPosition.y);
    context.arc(centerPosition.x, centerPosition.y, eachSeries._radius_, eachSeries._start_, eachSeries._start_ + 2 * eachSeries._rose_proportion_ * Math.PI);
    context.closePath();
    context.fill();
    if (roseOption.border == true) {
      context.stroke();
    }
  });

  if (opts.dataLabel !== false && process === 1) {
    var valid = false;
    for (var i = 0, len = series.length; i < len; i++) {
      if (series[i].data > 0) {
        valid = true;
        break;
      }
    }
    if (valid) {
      drawPieText(series, opts, config, context, radius, centerPosition);
    }
  }
  return {
    center: centerPosition,
    radius: radius,
    series: series
  };
}

function drawArcbarDataPoints(series, opts, config, context) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  var arcbarOption = assign({}, {
    startAngle: 0.75,
    endAngle: 0.25,
    type: 'default',
    width: 12 ,
    gap: 2 ,
    linearType: 'none',
    customColor: [],
  }, opts.extra.arcbar);
  series = getArcbarDataPoints(series, arcbarOption, process);
  var centerPosition;
  if (arcbarOption.centerX || arcbarOption.centerY) {
    centerPosition = {
      x: arcbarOption.centerX ? arcbarOption.centerX : opts.width / 2,
      y: arcbarOption.centerY ? arcbarOption.centerY : opts.height / 2
    };
  } else {
    centerPosition = {
      x: opts.width / 2,
      y: opts.height / 2
    };
  }
  var radius;
  if (arcbarOption.radius) {
    radius = arcbarOption.radius;
  } else {
    radius = Math.min(centerPosition.x, centerPosition.y);
    radius -= 5 * opts.pix;
    radius -= arcbarOption.width / 2;
  }
  arcbarOption.customColor = fillCustomColor(arcbarOption.linearType, arcbarOption.customColor, series, config);
  
  for (let i = 0; i < series.length; i++) {
    let eachSeries = series[i];
    //背景颜色
    context.setLineWidth(arcbarOption.width * opts.pix);
    context.setStrokeStyle(arcbarOption.backgroundColor || '#E9E9E9');
    context.setLineCap('round');
    context.beginPath();
    if (arcbarOption.type == 'default') {
      context.arc(centerPosition.x, centerPosition.y, radius - (arcbarOption.width * opts.pix + arcbarOption.gap * opts.pix) * i, arcbarOption.startAngle * Math.PI, arcbarOption.endAngle * Math.PI, false);
    } else {
      context.arc(centerPosition.x, centerPosition.y, radius - (arcbarOption.width * opts.pix + arcbarOption.gap * opts.pix) * i, 0, 2 * Math.PI, false);
    }
    context.stroke();
    //进度条
    var fillColor = eachSeries.color
    if(arcbarOption.linearType == 'custom'){
      var grd = context.createLinearGradient(centerPosition.x - radius, centerPosition.y, centerPosition.x + radius, centerPosition.y);
      grd.addColorStop(1, hexToRgb(arcbarOption.customColor[eachSeries.linearIndex], 1))
      grd.addColorStop(0, hexToRgb(eachSeries.color, 1))
      fillColor = grd;
    }
    context.setLineWidth(arcbarOption.width * opts.pix);
    context.setStrokeStyle(fillColor);
    context.setLineCap('round');
    context.beginPath();
    context.arc(centerPosition.x, centerPosition.y, radius - (arcbarOption.width * opts.pix + arcbarOption.gap * opts.pix) * i, arcbarOption.startAngle * Math.PI, eachSeries._proportion_ * Math.PI, false);
    context.stroke();
  }
  drawRingTitle(opts, config, context, centerPosition);
  return {
    center: centerPosition,
    radius: radius,
    series: series
  };
}

function drawGaugeDataPoints(categories, series, opts, config, context) {
  var process = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 1;
  var gaugeOption = assign({}, {
    type: 'default',
    startAngle: 0.75,
    endAngle: 0.25,
    width: 15,
    labelOffset:13,
    splitLine: {
      fixRadius: 0,
      splitNumber: 10,
      width: 15,
      color: '#FFFFFF',
      childNumber: 5,
      childWidth: 5
    },
    pointer: {
      width: 15,
      color: 'auto'
    }
  }, opts.extra.gauge);
  if (gaugeOption.oldAngle == undefined) {
    gaugeOption.oldAngle = gaugeOption.startAngle;
  }
  if (gaugeOption.oldData == undefined) {
    gaugeOption.oldData = 0;
  }
  categories = getGaugeAxisPoints(categories, gaugeOption.startAngle, gaugeOption.endAngle);
  var centerPosition = {
    x: opts.width / 2,
    y: opts.height / 2
  };
  var radius = Math.min(centerPosition.x, centerPosition.y);
  radius -= 5 * opts.pix;
  radius -= gaugeOption.width / 2;
  var innerRadius = radius - gaugeOption.width;
  var totalAngle = 0;
  //判断仪表盘的样式：default百度样式，progress新样式
  if (gaugeOption.type == 'progress') {
    //## 第一步画中心圆形背景和进度条背景
    //中心圆形背景
    var pieRadius = radius - gaugeOption.width * 3;
    context.beginPath();
    let gradient = context.createLinearGradient(centerPosition.x, centerPosition.y - pieRadius, centerPosition.x, centerPosition.y + pieRadius);
    //配置渐变填充（起点：中心点向上减半径；结束点中心点向下加半径）
    gradient.addColorStop('0', hexToRgb(series[0].color, 0.3));
    gradient.addColorStop('1.0', hexToRgb("#FFFFFF", 0.1));
    context.setFillStyle(gradient);
    context.arc(centerPosition.x, centerPosition.y, pieRadius, 0, 2 * Math.PI, false);
    context.fill();
    //画进度条背景
    context.setLineWidth(gaugeOption.width);
    context.setStrokeStyle(hexToRgb(series[0].color, 0.3));
    context.setLineCap('round');
    context.beginPath();
    context.arc(centerPosition.x, centerPosition.y, innerRadius, gaugeOption.startAngle * Math.PI, gaugeOption.endAngle * Math.PI, false);
    context.stroke();
    //## 第二步画刻度线
    totalAngle = gaugeOption.startAngle - gaugeOption.endAngle + 1;
    let splitAngle = totalAngle / gaugeOption.splitLine.splitNumber;
    let childAngle = totalAngle / gaugeOption.splitLine.splitNumber / gaugeOption.splitLine.childNumber;
    let startX = -radius - gaugeOption.width * 0.5 - gaugeOption.splitLine.fixRadius;
    let endX = -radius - gaugeOption.width - gaugeOption.splitLine.fixRadius + gaugeOption.splitLine.width;
    context.save();
    context.translate(centerPosition.x, centerPosition.y);
    context.rotate((gaugeOption.startAngle - 1) * Math.PI);
    let len = gaugeOption.splitLine.splitNumber * gaugeOption.splitLine.childNumber + 1;
    let proc = series[0].data * process;
    for (let i = 0; i < len; i++) {
      context.beginPath();
      //刻度线随进度变色
      if (proc > (i / len)) {
        context.setStrokeStyle(hexToRgb(series[0].color, 1));
      } else {
        context.setStrokeStyle(hexToRgb(series[0].color, 0.3));
      }
      context.setLineWidth(3 * opts.pix);
      context.moveTo(startX, 0);
      context.lineTo(endX, 0);
      context.stroke();
      context.rotate(childAngle * Math.PI);
    }
    context.restore();
    //## 第三步画进度条
    series = getArcbarDataPoints(series, gaugeOption, process);
    context.setLineWidth(gaugeOption.width);
    context.setStrokeStyle(series[0].color);
    context.setLineCap('round');
    context.beginPath();
    context.arc(centerPosition.x, centerPosition.y, innerRadius, gaugeOption.startAngle * Math.PI, series[0]._proportion_ * Math.PI, false);
    context.stroke();
    //## 第四步画指针
    let pointerRadius = radius - gaugeOption.width * 2.5;
    context.save();
    context.translate(centerPosition.x, centerPosition.y);
    context.rotate((series[0]._proportion_ - 1) * Math.PI);
    context.beginPath();
    context.setLineWidth(gaugeOption.width / 3);
    let gradient3 = context.createLinearGradient(0, -pointerRadius * 0.6, 0, pointerRadius * 0.6);
    gradient3.addColorStop('0', hexToRgb('#FFFFFF', 0));
    gradient3.addColorStop('0.5', hexToRgb(series[0].color, 1));
    gradient3.addColorStop('1.0', hexToRgb('#FFFFFF', 0));
    context.setStrokeStyle(gradient3);
    context.arc(0, 0, pointerRadius, 0.85 * Math.PI, 1.15 * Math.PI, false);
    context.stroke();
    context.beginPath();
    context.setLineWidth(1);
    context.setStrokeStyle(series[0].color);
    context.setFillStyle(series[0].color);
    context.moveTo(-pointerRadius - gaugeOption.width / 3 / 2, -4);
    context.lineTo(-pointerRadius - gaugeOption.width / 3 / 2 - 4, 0);
    context.lineTo(-pointerRadius - gaugeOption.width / 3 / 2, 4);
    context.lineTo(-pointerRadius - gaugeOption.width / 3 / 2, -4);
    context.stroke();
    context.fill();
    context.restore();
    //default百度样式
  } else {
    //画背景
    context.setLineWidth(gaugeOption.width);
    context.setLineCap('butt');
    for (let i = 0; i < categories.length; i++) {
      let eachCategories = categories[i];
      context.beginPath();
      context.setStrokeStyle(eachCategories.color);
      context.arc(centerPosition.x, centerPosition.y, radius, eachCategories._startAngle_ * Math.PI, eachCategories._endAngle_ * Math.PI, false);
      context.stroke();
    }
    context.save();
    //画刻度线
    totalAngle = gaugeOption.startAngle - gaugeOption.endAngle + 1;
    let splitAngle = totalAngle / gaugeOption.splitLine.splitNumber;
    let childAngle = totalAngle / gaugeOption.splitLine.splitNumber / gaugeOption.splitLine.childNumber;
    let startX = -radius - gaugeOption.width * 0.5 - gaugeOption.splitLine.fixRadius;
    let endX = -radius - gaugeOption.width * 0.5 - gaugeOption.splitLine.fixRadius + gaugeOption.splitLine.width;
    let childendX = -radius - gaugeOption.width * 0.5 - gaugeOption.splitLine.fixRadius + gaugeOption.splitLine.childWidth;
    context.translate(centerPosition.x, centerPosition.y);
    context.rotate((gaugeOption.startAngle - 1) * Math.PI);
    for (let i = 0; i < gaugeOption.splitLine.splitNumber + 1; i++) {
      context.beginPath();
      context.setStrokeStyle(gaugeOption.splitLine.color);
      context.setLineWidth(2 * opts.pix);
      context.moveTo(startX, 0);
      context.lineTo(endX, 0);
      context.stroke();
      context.rotate(splitAngle * Math.PI);
    }
    context.restore();
    context.save();
    context.translate(centerPosition.x, centerPosition.y);
    context.rotate((gaugeOption.startAngle - 1) * Math.PI);
    for (let i = 0; i < gaugeOption.splitLine.splitNumber * gaugeOption.splitLine.childNumber + 1; i++) {
      context.beginPath();
      context.setStrokeStyle(gaugeOption.splitLine.color);
      context.setLineWidth(1 * opts.pix);
      context.moveTo(startX, 0);
      context.lineTo(childendX, 0);
      context.stroke();
      context.rotate(childAngle * Math.PI);
    }
    context.restore();
    //画指针
    series = getGaugeDataPoints(series, categories, gaugeOption, process);
    for (let i = 0; i < series.length; i++) {
      let eachSeries = series[i];
      context.save();
      context.translate(centerPosition.x, centerPosition.y);
      context.rotate((eachSeries._proportion_ - 1) * Math.PI);
      context.beginPath();
      context.setFillStyle(eachSeries.color);
      context.moveTo(gaugeOption.pointer.width, 0);
      context.lineTo(0, -gaugeOption.pointer.width / 2);
      context.lineTo(-innerRadius, 0);
      context.lineTo(0, gaugeOption.pointer.width / 2);
      context.lineTo(gaugeOption.pointer.width, 0);
      context.closePath();
      context.fill();
      context.beginPath();
      context.setFillStyle('#FFFFFF');
      context.arc(0, 0, gaugeOption.pointer.width / 6, 0, 2 * Math.PI, false);
      context.fill();
      context.restore();
    }
    if (opts.dataLabel !== false) {
      drawGaugeLabel(gaugeOption, radius, centerPosition, opts, config, context);
    }
  }
  //画仪表盘标题，副标题
  drawRingTitle(opts, config, context, centerPosition);
  if (process === 1 && opts.type === 'gauge') {
    opts.extra.gauge.oldAngle = series[0]._proportion_;
    opts.extra.gauge.oldData = series[0].data;
  }
  return {
    center: centerPosition,
    radius: radius,
    innerRadius: innerRadius,
    categories: categories,
    totalAngle: totalAngle
  };
}

function drawRadarDataPoints(series, opts, config, context) {
  var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  var radarOption = assign({}, {
    gridColor: '#cccccc',
    gridType: 'radar',
    opacity: 0.2,
    gridCount: 3,
    border:false,
    borderWidth:2
  }, opts.extra.radar);
  var coordinateAngle = getRadarCoordinateSeries(opts.categories.length);
  var centerPosition = {
    x: opts.area[3] + (opts.width - opts.area[1] - opts.area[3]) / 2,
    y: opts.area[0] + (opts.height - opts.area[0] - opts.area[2]) / 2
  };
  var xr = (opts.width - opts.area[1] - opts.area[3]) / 2
  var yr = (opts.height - opts.area[0] - opts.area[2]) / 2
  var radius = Math.min(xr - (getMaxTextListLength(opts.categories, config.fontSize, context) + config.radarLabelTextMargin), yr - config.radarLabelTextMargin);
  radius -= config.radarLabelTextMargin * opts.pix;
  // 画分割线
  context.beginPath();
  context.setLineWidth(1 * opts.pix);
  context.setStrokeStyle(radarOption.gridColor);
  coordinateAngle.forEach(function(angle) {
    var pos = convertCoordinateOrigin(radius * Math.cos(angle), radius * Math.sin(angle), centerPosition);
    context.moveTo(centerPosition.x, centerPosition.y);
    context.lineTo(pos.x, pos.y);
  });
  context.stroke();
  context.closePath();
  
  // 画背景网格
  var _loop = function _loop(i) {
    var startPos = {};
    context.beginPath();
    context.setLineWidth(1 * opts.pix);
    context.setStrokeStyle(radarOption.gridColor);
    if (radarOption.gridType == 'radar') {
      coordinateAngle.forEach(function(angle, index) {
        var pos = convertCoordinateOrigin(radius / radarOption.gridCount * i * Math.cos(angle), radius /
          radarOption.gridCount * i * Math.sin(angle), centerPosition);
        if (index === 0) {
          startPos = pos;
          context.moveTo(pos.x, pos.y);
        } else {
          context.lineTo(pos.x, pos.y);
        }
      });
      context.lineTo(startPos.x, startPos.y);
    } else {
      var pos = convertCoordinateOrigin(radius / radarOption.gridCount * i * Math.cos(1.5), radius / radarOption.gridCount * i * Math.sin(1.5), centerPosition);
      context.arc(centerPosition.x, centerPosition.y, centerPosition.y - pos.y, 0, 2 * Math.PI, false);
    }
    context.stroke();
    context.closePath();
  };
  for (var i = 1; i <= radarOption.gridCount; i++) {
    _loop(i);
  }
  var radarDataPoints = getRadarDataPoints(coordinateAngle, centerPosition, radius, series, opts, process);
  radarDataPoints.forEach(function(eachSeries, seriesIndex) {
    // 绘制区域数据
    context.beginPath();
    context.setLineWidth(radarOption.borderWidth * opts.pix);
    context.setStrokeStyle(eachSeries.color);
    context.setFillStyle(hexToRgb(eachSeries.color, radarOption.opacity));
    eachSeries.data.forEach(function(item, index) {
      if (index === 0) {
        context.moveTo(item.position.x, item.position.y);
      } else {
        context.lineTo(item.position.x, item.position.y);
      }
    });
    context.closePath();
    context.fill();
    if(radarOption.border === true){
      context.stroke();
    }
    context.closePath();
    if (opts.dataPointShape !== false) {
      var points = eachSeries.data.map(function(item) {
        return item.position;
      });
      drawPointShape(points, eachSeries.color, eachSeries.pointShape, context, opts);
    }
  });
  // draw label text
  drawRadarLabel(coordinateAngle, radius, centerPosition, opts, config, context);
  
  // draw dataLabel
  if (opts.dataLabel !== false && process === 1) {
    radarDataPoints.forEach(function(eachSeries, seriesIndex) {
      context.beginPath();
      var fontSize = eachSeries.textSize * opts.pix || config.fontSize;
      context.setFontSize(fontSize);
      context.setFillStyle(eachSeries.textColor || opts.fontColor);
      eachSeries.data.forEach(function(item, index) {
        //如果是中心点垂直的上下点位
        if(Math.abs(item.position.x - centerPosition.x)<2){
          //如果在上面
          if(item.position.y < centerPosition.y){
            context.setTextAlign('center');
            context.fillText(item.value, item.position.x, item.position.y - 4);
          }else{
            context.setTextAlign('center');
            context.fillText(item.value, item.position.x, item.position.y + fontSize + 2);
          }
        }else{
          //如果在左侧
          if(item.position.x < centerPosition.x){
            context.setTextAlign('right');
            context.fillText(item.value, item.position.x - 4, item.position.y + fontSize / 2 - 2);
          }else{
            context.setTextAlign('left');
            context.fillText(item.value, item.position.x + 4, item.position.y + fontSize / 2 - 2);
          }
        }
      });
      context.closePath();
      context.stroke();
    });
    context.setTextAlign('left');
  }
  
  return {
    center: centerPosition,
    radius: radius,
    angleList: coordinateAngle
  };
}

function normalInt(min, max, iter) {
  iter = iter == 0 ? 1 : iter;
  var arr = [];
  for (var i = 0; i < iter; i++) {
    arr[i] = Math.random();
  };
  return Math.floor(arr.reduce(function(i, j) {
    return i + j
  }) / iter * (max - min)) + min;
};

function collisionNew(area, points, width, height) {
  var isIn = false;
  for (let i = 0; i < points.length; i++) {
    if (points[i].area) {
      if (area[3] < points[i].area[1] || area[0] > points[i].area[2] || area[1] > points[i].area[3] || area[2] < points[i].area[0]) {
        if (area[0] < 0 || area[1] < 0 || area[2] > width || area[3] > height) {
          isIn = true;
          break;
        } else {
          isIn = false;
        }
      } else {
        isIn = true;
        break;
      }
    }
  }
  return isIn;
};

function getBoundingBox(data) {
  var bounds = {},coords;
  bounds.xMin = 180;
  bounds.xMax = 0;
  bounds.yMin = 90;
  bounds.yMax = 0
  for (var i = 0; i < data.length; i++) {
    var coorda = data[i].geometry.coordinates
    for (var k = 0; k < coorda.length; k++) {
      coords = coorda[k];
      if (coords.length == 1) {
        coords = coords[0]
      }
      for (var j = 0; j < coords.length; j++) {
        var longitude = coords[j][0];
        var latitude = coords[j][1];
        var point = {
          x: longitude,
          y: latitude
        }
        bounds.xMin = bounds.xMin < point.x ? bounds.xMin : point.x;
        bounds.xMax = bounds.xMax > point.x ? bounds.xMax : point.x;
        bounds.yMin = bounds.yMin < point.y ? bounds.yMin : point.y;
        bounds.yMax = bounds.yMax > point.y ? bounds.yMax : point.y;
      }
    }
  }
  return bounds;
}

function coordinateToPoint(latitude, longitude, bounds, scale, xoffset, yoffset) {
  return {
    x: (longitude - bounds.xMin) * scale + xoffset,
    y: (bounds.yMax - latitude) * scale + yoffset
  };
}

function pointToCoordinate(pointY, pointX, bounds, scale, xoffset, yoffset) {
  return {
    x: (pointX - xoffset) / scale + bounds.xMin,
    y: bounds.yMax - (pointY - yoffset) / scale
  };
}

function isRayIntersectsSegment(poi, s_poi, e_poi) {
  if (s_poi[1] == e_poi[1]) {
    return false;
  }
  if (s_poi[1] > poi[1] && e_poi[1] > poi[1]) {
    return false;
  }
  if (s_poi[1] < poi[1] && e_poi[1] < poi[1]) {
    return false;
  }
  if (s_poi[1] == poi[1] && e_poi[1] > poi[1]) {
    return false;
  }
  if (e_poi[1] == poi[1] && s_poi[1] > poi[1]) {
    return false;
  }
  if (s_poi[0] < poi[0] && e_poi[1] < poi[1]) {
    return false;
  }
  let xseg = e_poi[0] - (e_poi[0] - s_poi[0]) * (e_poi[1] - poi[1]) / (e_poi[1] - s_poi[1]);
  if (xseg < poi[0]) {
    return false;
  } else {
    return true;
  }
}

function isPoiWithinPoly(poi, poly, mercator) {
  let sinsc = 0;
  for (let i = 0; i < poly.length; i++) {
    let epoly = poly[i][0];
    if (poly.length == 1) {
      epoly = poly[i][0]
    }
    for (let j = 0; j < epoly.length - 1; j++) {
      let s_poi = epoly[j];
      let e_poi = epoly[j + 1];
      if (mercator) {
        s_poi = lonlat2mercator(epoly[j][0], epoly[j][1]);
        e_poi = lonlat2mercator(epoly[j + 1][0], epoly[j + 1][1]);
      }
      if (isRayIntersectsSegment(poi, s_poi, e_poi)) {
        sinsc += 1;
      }
    }
  }
  if (sinsc % 2 == 1) {
    return true;
  } else {
    return false;
  }
}


function drawMapDataPoints(series, opts, config, context) {
  var mapOption = assign({}, {
    border: true,
    mercator: false,
    borderWidth: 1,
    borderColor: '#666666',
    fillOpacity: 0.6,
    activeBorderColor: '#f04864',
    activeFillColor: '#facc14',
    activeFillOpacity: 1
  }, opts.extra.map);
  var coords, point;
  var data = series;
  var bounds = getBoundingBox(data);
  if (mapOption.mercator) {
    var max = lonlat2mercator(bounds.xMax, bounds.yMax)
    var min = lonlat2mercator(bounds.xMin, bounds.yMin)
    bounds.xMax = max[0]
    bounds.yMax = max[1]
    bounds.xMin = min[0]
    bounds.yMin = min[1]
  }
  var xScale = opts.width / Math.abs(bounds.xMax - bounds.xMin);
  var yScale = opts.height / Math.abs(bounds.yMax - bounds.yMin);
  var scale = xScale < yScale ? xScale : yScale;
  var xoffset = opts.width / 2 - Math.abs(bounds.xMax - bounds.xMin) / 2 * scale;
  var yoffset = opts.height / 2 - Math.abs(bounds.yMax - bounds.yMin) / 2 * scale;
  for (var i = 0; i < data.length; i++) {
    context.beginPath();
    context.setLineWidth(mapOption.borderWidth * opts.pix);
    context.setStrokeStyle(mapOption.borderColor);
    context.setFillStyle(hexToRgb(series[i].color, mapOption.fillOpacity));
    if (opts.tooltip) {
      if (opts.tooltip.index == i) {
        context.setStrokeStyle(mapOption.activeBorderColor);
        context.setFillStyle(hexToRgb(mapOption.activeFillColor, mapOption.activeFillOpacity));
      }
    }
    var coorda = data[i].geometry.coordinates
    for (var k = 0; k < coorda.length; k++) {
      coords = coorda[k];
      if (coords.length == 1) {
        coords = coords[0]
      }
      for (var j = 0; j < coords.length; j++) {
        var gaosi = Array(2);
        if (mapOption.mercator) {
          gaosi = lonlat2mercator(coords[j][0], coords[j][1])
        } else {
          gaosi = coords[j]
        }
        point = coordinateToPoint(gaosi[1], gaosi[0], bounds, scale, xoffset, yoffset)
        if (j === 0) {
          context.beginPath();
          context.moveTo(point.x, point.y);
        } else {
          context.lineTo(point.x, point.y);
        }
      }
      context.fill();
      if (mapOption.border == true) {
        context.stroke();
      }
    }
    if (opts.dataLabel == true) {
      var centerPoint = data[i].properties.centroid;
      if (centerPoint) {
        if (mapOption.mercator) {
          centerPoint = lonlat2mercator(data[i].properties.centroid[0], data[i].properties.centroid[1])
        }
        point = coordinateToPoint(centerPoint[1], centerPoint[0], bounds, scale, xoffset, yoffset);
        let fontSize = data[i].textSize * opts.pix || config.fontSize;
        let text = data[i].properties.name;
        context.beginPath();
        context.setFontSize(fontSize)
        context.setFillStyle(data[i].textColor || opts.fontColor)
        context.fillText(text, point.x - measureText(text, fontSize, context) / 2, point.y + fontSize / 2);
        context.closePath();
        context.stroke();
      }
    }
  }
  opts.chartData.mapData = {
    bounds: bounds,
    scale: scale,
    xoffset: xoffset,
    yoffset: yoffset,
    mercator: mapOption.mercator
  }
  drawToolTipBridge(opts, config, context, 1);
  context.draw();
}

function getWordCloudPoint(opts, type, context) {
  let points = opts.series;
  switch (type) {
    case 'normal':
      for (let i = 0; i < points.length; i++) {
        let text = points[i].name;
        let tHeight = points[i].textSize * opts.pix;
        let tWidth = measureText(text, tHeight, context);
        let x, y;
        let area;
        let breaknum = 0;
        while (true) {
          breaknum++;
          x = normalInt(-opts.width / 2, opts.width / 2, 5) - tWidth / 2;
          y = normalInt(-opts.height / 2, opts.height / 2, 5) + tHeight / 2;
          area = [x - 5 + opts.width / 2, y - 5 - tHeight + opts.height / 2, x + tWidth + 5 + opts.width / 2, y + 5 +
            opts.height / 2
          ];
          let isCollision = collisionNew(area, points, opts.width, opts.height);
          if (!isCollision) break;
          if (breaknum == 1000) {
            area = [-100, -100, -100, -100];
            break;
          }
        };
        points[i].area = area;
      }
      break;
    case 'vertical':
      function Spin() {
        //获取均匀随机值，是否旋转，旋转的概率为（1-0.5）
        if (Math.random() > 0.7) {
          return true;
        } else {
          return false
        };
      };
      for (let i = 0; i < points.length; i++) {
        let text = points[i].name;
        let tHeight = points[i].textSize * opts.pix;
        let tWidth = measureText(text, tHeight, context);
        let isSpin = Spin();
        let x, y, area, areav;
        let breaknum = 0;
        while (true) {
          breaknum++;
          let isCollision;
          if (isSpin) {
            x = normalInt(-opts.width / 2, opts.width / 2, 5) - tWidth / 2;
            y = normalInt(-opts.height / 2, opts.height / 2, 5) + tHeight / 2;
            area = [y - 5 - tWidth + opts.width / 2, (-x - 5 + opts.height / 2), y + 5 + opts.width / 2, (-x + tHeight + 5 + opts.height / 2)];
            areav = [opts.width - (opts.width / 2 - opts.height / 2) - (-x + tHeight + 5 + opts.height / 2) - 5, (opts.height / 2 - opts.width / 2) + (y - 5 - tWidth + opts.width / 2) - 5, opts.width - (opts.width / 2 - opts.height / 2) - (-x + tHeight + 5 + opts.height / 2) + tHeight, (opts.height / 2 - opts.width / 2) + (y - 5 - tWidth + opts.width / 2) + tWidth + 5];
            isCollision = collisionNew(areav, points, opts.height, opts.width);
          } else {
            x = normalInt(-opts.width / 2, opts.width / 2, 5) - tWidth / 2;
            y = normalInt(-opts.height / 2, opts.height / 2, 5) + tHeight / 2;
            area = [x - 5 + opts.width / 2, y - 5 - tHeight + opts.height / 2, x + tWidth + 5 + opts.width / 2, y + 5 + opts.height / 2];
            isCollision = collisionNew(area, points, opts.width, opts.height);
          }
          if (!isCollision) break;
          if (breaknum == 1000) {
            area = [-1000, -1000, -1000, -1000];
            break;
          }
        };
        if (isSpin) {
          points[i].area = areav;
          points[i].areav = area;
        } else {
          points[i].area = area;
        }
        points[i].rotate = isSpin;
      };
      break;
  }
  return points;
}


function drawWordCloudDataPoints(series, opts, config, context) {
  let process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  let wordOption = assign({}, {
    type: 'normal',
    autoColors: true
  }, opts.extra.word);
  if (!opts.chartData.wordCloudData) {
    opts.chartData.wordCloudData = getWordCloudPoint(opts, wordOption.type, context);
  }
  context.beginPath();
  context.setFillStyle(opts.background);
  context.rect(0, 0, opts.width, opts.height);
  context.fill();
  context.save();
  let points = opts.chartData.wordCloudData;
  context.translate(opts.width / 2, opts.height / 2);
  for (let i = 0; i < points.length; i++) {
    context.save();
    if (points[i].rotate) {
      context.rotate(90 * Math.PI / 180);
    }
    let text = points[i].name;
    let tHeight = points[i].textSize * opts.pix;
    let tWidth = measureText(text, tHeight, context);
    context.beginPath();
    context.setStrokeStyle(points[i].color);
    context.setFillStyle(points[i].color);
    context.setFontSize(tHeight);
    if (points[i].rotate) {
      if (points[i].areav[0] > 0) {
        if (opts.tooltip) {
          if (opts.tooltip.index == i) {
            context.strokeText(text, (points[i].areav[0] + 5 - opts.width / 2) * process - tWidth * (1 - process) / 2, (points[i].areav[1] + 5 + tHeight - opts.height / 2) * process);
          } else {
            context.fillText(text, (points[i].areav[0] + 5 - opts.width / 2) * process - tWidth * (1 - process) / 2, (points[i].areav[1] + 5 + tHeight - opts.height / 2) * process);
          }
        } else {
          context.fillText(text, (points[i].areav[0] + 5 - opts.width / 2) * process - tWidth * (1 - process) / 2, (points[i].areav[1] + 5 + tHeight - opts.height / 2) * process);
        }
      }
    } else {
      if (points[i].area[0] > 0) {
        if (opts.tooltip) {
          if (opts.tooltip.index == i) {
            context.strokeText(text, (points[i].area[0] + 5 - opts.width / 2) * process - tWidth * (1 - process) / 2, (points[i].area[1] + 5 + tHeight - opts.height / 2) * process);
          } else {
            context.fillText(text, (points[i].area[0] + 5 - opts.width / 2) * process - tWidth * (1 - process) / 2, (points[i].area[1] + 5 + tHeight - opts.height / 2) * process);
          }
        } else {
          context.fillText(text, (points[i].area[0] + 5 - opts.width / 2) * process - tWidth * (1 - process) / 2, (points[i].area[1] + 5 + tHeight - opts.height / 2) * process);
        }
      }
    }
    context.stroke();
    context.restore();
  }
  context.restore();
}

function drawFunnelDataPoints(series, opts, config, context) {
  let process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
  let funnelOption = assign({}, {
    type:'funnel',
    activeWidth: 10,
    activeOpacity: 0.3,
    border: false,
    borderWidth: 2,
    borderColor: '#FFFFFF',
    fillOpacity: 1,
    labelAlign: 'right',
    linearType: 'none',
    customColor: [],
  }, opts.extra.funnel);
  let eachSpacing = (opts.height - opts.area[0] - opts.area[2]) / series.length;
  let centerPosition = {
    x: opts.area[3] + (opts.width - opts.area[1] - opts.area[3]) / 2,
    y: opts.height - opts.area[2]
  };
  let activeWidth = funnelOption.activeWidth * opts.pix;
  let radius = Math.min((opts.width - opts.area[1] - opts.area[3]) / 2 - activeWidth, (opts.height - opts.area[0] - opts.area[2]) / 2 - activeWidth);
  series = getFunnelDataPoints(series, radius, funnelOption.type, eachSpacing, process);
  context.save();
  context.translate(centerPosition.x, centerPosition.y);
  funnelOption.customColor = fillCustomColor(funnelOption.linearType, funnelOption.customColor, series, config);
  if(funnelOption.type == 'pyramid'){
    for (let i = 0; i < series.length; i++) {
      if (i == series.length -1) {
        if (opts.tooltip) {
          if (opts.tooltip.index == i) {
            context.beginPath();
            context.setFillStyle(hexToRgb(series[i].color, funnelOption.activeOpacity));
            context.moveTo(-activeWidth, -eachSpacing);
            context.lineTo(-series[i].radius - activeWidth, 0);
            context.lineTo(series[i].radius + activeWidth, 0);
            context.lineTo(activeWidth, -eachSpacing);
            context.lineTo(-activeWidth, -eachSpacing);
            context.closePath();
            context.fill();
          }
        }
        series[i].funnelArea = [centerPosition.x - series[i].radius, centerPosition.y - eachSpacing * (i + 1), centerPosition.x + series[i].radius, centerPosition.y - eachSpacing * i];
        context.beginPath();
        context.setLineWidth(funnelOption.borderWidth * opts.pix);
        context.setStrokeStyle(funnelOption.borderColor);
        var fillColor = hexToRgb(series[i].color, funnelOption.fillOpacity);
        if (funnelOption.linearType == 'custom') {
          var grd = context.createLinearGradient(series[i].radius, -eachSpacing, -series[i].radius, -eachSpacing);
          grd.addColorStop(0, hexToRgb(series[i].color, funnelOption.fillOpacity));
          grd.addColorStop(0.5, hexToRgb(funnelOption.customColor[series[i].linearIndex], funnelOption.fillOpacity));
          grd.addColorStop(1, hexToRgb(series[i].color, funnelOption.fillOpacity));
          fillColor = grd
        }
        context.setFillStyle(fillColor);
        context.moveTo(0, -eachSpacing);
        context.lineTo(-series[i].radius, 0);
        context.lineTo(series[i].radius, 0);
        context.lineTo(0, -eachSpacing);
        context.closePath();
        context.fill();
        if (funnelOption.border == true) {
          context.stroke();
        }
      } else {
        if (opts.tooltip) {
          if (opts.tooltip.index == i) {
            context.beginPath();
            context.setFillStyle(hexToRgb(series[i].color, funnelOption.activeOpacity));
            context.moveTo(0, 0);
            context.lineTo(-series[i].radius - activeWidth, 0);
            context.lineTo(-series[i + 1].radius - activeWidth, -eachSpacing);
            context.lineTo(series[i + 1].radius + activeWidth, -eachSpacing);
            context.lineTo(series[i].radius + activeWidth, 0);
            context.lineTo(0, 0);
            context.closePath();
            context.fill();
          }
        }
        series[i].funnelArea = [centerPosition.x - series[i].radius, centerPosition.y - eachSpacing * (i + 1), centerPosition.x + series[i].radius, centerPosition.y - eachSpacing * i];
        context.beginPath();
        context.setLineWidth(funnelOption.borderWidth * opts.pix);
        context.setStrokeStyle(funnelOption.borderColor);
        var fillColor = hexToRgb(series[i].color, funnelOption.fillOpacity);
        if (funnelOption.linearType == 'custom') {
          var grd = context.createLinearGradient(series[i].radius, -eachSpacing, -series[i].radius, -eachSpacing);
          grd.addColorStop(0, hexToRgb(series[i].color, funnelOption.fillOpacity));
          grd.addColorStop(0.5, hexToRgb(funnelOption.customColor[series[i].linearIndex], funnelOption.fillOpacity));
          grd.addColorStop(1, hexToRgb(series[i].color, funnelOption.fillOpacity));
          fillColor = grd
        }
        context.setFillStyle(fillColor);
        context.moveTo(0, 0);
        context.lineTo(-series[i].radius, 0);
        context.lineTo(-series[i + 1].radius, -eachSpacing);
        context.lineTo(series[i + 1].radius, -eachSpacing);
        context.lineTo(series[i].radius, 0);
        context.lineTo(0, 0);
        context.closePath();
        context.fill();
        if (funnelOption.border == true) {
          context.stroke();
        }
      }
      context.translate(0, -eachSpacing)
    }
  }else{
    for (let i = 0; i < series.length; i++) {
      if (i == 0) {
        if (opts.tooltip) {
          if (opts.tooltip.index == i) {
            context.beginPath();
            context.setFillStyle(hexToRgb(series[i].color, funnelOption.activeOpacity));
            context.moveTo(-activeWidth, 0);
            context.lineTo(-series[i].radius - activeWidth, -eachSpacing);
            context.lineTo(series[i].radius + activeWidth, -eachSpacing);
            context.lineTo(activeWidth, 0);
            context.lineTo(-activeWidth, 0);
            context.closePath();
            context.fill();
          }
        }
        series[i].funnelArea = [centerPosition.x - series[i].radius, centerPosition.y - eachSpacing, centerPosition.x + series[i].radius, centerPosition.y];
        context.beginPath();
        context.setLineWidth(funnelOption.borderWidth * opts.pix);
        context.setStrokeStyle(funnelOption.borderColor);
        var fillColor = hexToRgb(series[i].color, funnelOption.fillOpacity);
        if (funnelOption.linearType == 'custom') {
          var grd = context.createLinearGradient(series[i].radius, -eachSpacing, -series[i].radius, -eachSpacing);
          grd.addColorStop(0, hexToRgb(series[i].color, funnelOption.fillOpacity));
          grd.addColorStop(0.5, hexToRgb(funnelOption.customColor[series[i].linearIndex], funnelOption.fillOpacity));
          grd.addColorStop(1, hexToRgb(series[i].color, funnelOption.fillOpacity));
          fillColor = grd
        }
        context.setFillStyle(fillColor);
        context.moveTo(0, 0);
        context.lineTo(-series[i].radius, -eachSpacing);
        context.lineTo(series[i].radius, -eachSpacing);
        context.lineTo(0, 0);
        context.closePath();
        context.fill();
        if (funnelOption.border == true) {
          context.stroke();
        }
      } else {
        if (opts.tooltip) {
          if (opts.tooltip.index == i) {
            context.beginPath();
            context.setFillStyle(hexToRgb(series[i].color, funnelOption.activeOpacity));
            context.moveTo(0, 0);
            context.lineTo(-series[i - 1].radius - activeWidth, 0);
            context.lineTo(-series[i].radius - activeWidth, -eachSpacing);
            context.lineTo(series[i].radius + activeWidth, -eachSpacing);
            context.lineTo(series[i - 1].radius + activeWidth, 0);
            context.lineTo(0, 0);
            context.closePath();
            context.fill();
          }
        }
        series[i].funnelArea = [centerPosition.x - series[i].radius, centerPosition.y - eachSpacing * (i + 1), centerPosition.x + series[i].radius, centerPosition.y - eachSpacing * i];
        context.beginPath();
        context.setLineWidth(funnelOption.borderWidth * opts.pix);
        context.setStrokeStyle(funnelOption.borderColor);
        var fillColor = hexToRgb(series[i].color, funnelOption.fillOpacity);
        if (funnelOption.linearType == 'custom') {
          var grd = context.createLinearGradient(series[i].radius, -eachSpacing, -series[i].radius, -eachSpacing);
          grd.addColorStop(0, hexToRgb(series[i].color, funnelOption.fillOpacity));
          grd.addColorStop(0.5, hexToRgb(funnelOption.customColor[series[i].linearIndex], funnelOption.fillOpacity));
          grd.addColorStop(1, hexToRgb(series[i].color, funnelOption.fillOpacity));
          fillColor = grd
        }
        context.setFillStyle(fillColor);
        context.moveTo(0, 0);
        context.lineTo(-series[i - 1].radius, 0);
        context.lineTo(-series[i].radius, -eachSpacing);
        context.lineTo(series[i].radius, -eachSpacing);
        context.lineTo(series[i - 1].radius, 0);
        context.lineTo(0, 0);
        context.closePath();
        context.fill();
        if (funnelOption.border == true) {
          context.stroke();
        }
      }
      context.translate(0, -eachSpacing)
    }
  }
  
  context.restore();
  if (opts.dataLabel !== false && process === 1) {
    drawFunnelText(series, opts, context, eachSpacing, funnelOption.labelAlign, activeWidth, centerPosition);
  }
  return {
    center: centerPosition,
    radius: radius,
    series: series
  };
}

function drawFunnelText(series, opts, context, eachSpacing, labelAlign, activeWidth, centerPosition) {
  for (let i = 0; i < series.length; i++) {
    let item = series[i];
    let startX, endX, startY, fontSize;
    let text = item.formatter ? item.formatter(item,i,series) : util.toFixed(item._proportion_ * 100) + '%';
    if (labelAlign == 'right') {
      if(opts.extra.funnel.type === 'pyramid'){
        if (i == series.length -1) {
          startX = (item.funnelArea[2] + centerPosition.x) / 2;
        } else {
          startX = (item.funnelArea[2] + series[i + 1].funnelArea[2]) / 2;
        }
      }else{
        if (i == 0) {
          startX = (item.funnelArea[2] + centerPosition.x) / 2;
        } else {
          startX = (item.funnelArea[2] + series[i - 1].funnelArea[2]) / 2;
        }
      }
      endX = startX + activeWidth * 2;
      startY = item.funnelArea[1] + eachSpacing / 2;
      fontSize = item.textSize * opts.pix || opts.fontSize * opts.pix;
      context.setLineWidth(1 * opts.pix);
      context.setStrokeStyle(item.color);
      context.setFillStyle(item.color);
      context.beginPath();
      context.moveTo(startX, startY);
      context.lineTo(endX, startY);
      context.stroke();
      context.closePath();
      context.beginPath();
      context.moveTo(endX, startY);
      context.arc(endX, startY, 2, 0, 2 * Math.PI);
      context.closePath();
      context.fill();
      context.beginPath();
      context.setFontSize(fontSize);
      context.setFillStyle(item.textColor || opts.fontColor);
      context.fillText(text, endX + 5, startY + fontSize / 2 - 2);
      context.closePath();
      context.stroke();
      context.closePath();
    } else {
      if(opts.extra.funnel.type === 'pyramid'){
        if (i == series.length -1) {
          startX = (item.funnelArea[0] + centerPosition.x) / 2;
        } else {
          startX = (item.funnelArea[0] + series[i + 1].funnelArea[0]) / 2;
        }
      }else{
        if (i == 0) {
          startX = (item.funnelArea[0] + centerPosition.x) / 2;
        } else {
          startX = (item.funnelArea[0] + series[i - 1].funnelArea[0]) / 2;
        }
      }
      endX = startX - activeWidth * 2;
      startY = item.funnelArea[1] + eachSpacing / 2;
      fontSize = item.textSize * opts.pix || opts.fontSize * opts.pix;
      context.setLineWidth(1 * opts.pix);
      context.setStrokeStyle(item.color);
      context.setFillStyle(item.color);
      context.beginPath();
      context.moveTo(startX, startY);
      context.lineTo(endX, startY);
      context.stroke();
      context.closePath();
      context.beginPath();
      context.moveTo(endX, startY);
      context.arc(endX, startY, 2, 0, 2 * Math.PI);
      context.closePath();
      context.fill();
      context.beginPath();
      context.setFontSize(fontSize);
      context.setFillStyle(item.textColor || opts.fontColor);
      context.fillText(text, endX - 5 - measureText(text, fontSize, context), startY + fontSize / 2 - 2);
      context.closePath();
      context.stroke();
      context.closePath();
    }

  }
}

function drawCanvas(opts, context) {
  context.draw();
}

var Timing = {
  easeIn: function easeIn(pos) {
    return Math.pow(pos, 3);
  },
  easeOut: function easeOut(pos) {
    return Math.pow(pos - 1, 3) + 1;
  },
  easeInOut: function easeInOut(pos) {
    if ((pos /= 0.5) < 1) {
      return 0.5 * Math.pow(pos, 3);
    } else {
      return 0.5 * (Math.pow(pos - 2, 3) + 2);
    }
  },
  linear: function linear(pos) {
    return pos;
  }
};

function Animation(opts) {
  this.isStop = false;
  opts.duration = typeof opts.duration === 'undefined' ? 1000 : opts.duration;
  opts.timing = opts.timing || 'easeInOut';
  var delay = 17;
  function createAnimationFrame() {
    if (typeof setTimeout !== 'undefined') {
      return function(step, delay) {
        setTimeout(function() {
          var timeStamp = +new Date();
          step(timeStamp);
        }, delay);
      };
    } else if (typeof requestAnimationFrame !== 'undefined') {
      return requestAnimationFrame;
    } else {
      return function(step) {
        step(null);
      };
    }
  };
  var animationFrame = createAnimationFrame();
  var startTimeStamp = null;
  var _step = function step(timestamp) {
    if (timestamp === null || this.isStop === true) {
      opts.onProcess && opts.onProcess(1);
      opts.onAnimationFinish && opts.onAnimationFinish();
      return;
    }
    if (startTimeStamp === null) {
      startTimeStamp = timestamp;
    }
    if (timestamp - startTimeStamp < opts.duration) {
      var process = (timestamp - startTimeStamp) / opts.duration;
      var timingFunction = Timing[opts.timing];
      process = timingFunction(process);
      opts.onProcess && opts.onProcess(process);
      animationFrame(_step, delay);
    } else {
      opts.onProcess && opts.onProcess(1);
      opts.onAnimationFinish && opts.onAnimationFinish();
    }
  };
  _step = _step.bind(this);
  animationFrame(_step, delay);
}

Animation.prototype.stop = function() {
  this.isStop = true;
};

function drawCharts(type, opts, config, context) {
  var _this = this;
  var series = opts.series;
  //兼容ECharts饼图类数据格式
  if (type === 'pie' || type === 'ring' || type === 'rose' || type === 'funnel') {
    series = fixPieSeries(series, opts, config);
  }
  var categories = opts.categories;
  series = fillSeries(series, opts, config);
  var duration = opts.animation ? opts.duration : 0;
  _this.animationInstance && _this.animationInstance.stop();
  var seriesMA = null;
  if (type == 'candle') {
    let average = assign({}, opts.extra.candle.average);
    if (average.show) {
      seriesMA = calCandleMA(average.day, average.name, average.color, series[0].data);
      seriesMA = fillSeries(seriesMA, opts, config);
      opts.seriesMA = seriesMA;
    } else if (opts.seriesMA) {
      seriesMA = opts.seriesMA = fillSeries(opts.seriesMA, opts, config);
    } else {
      seriesMA = series;
    }
  } else {
    seriesMA = series;
  }
  /* 过滤掉show=false的series */
  opts._series_ = series = filterSeries(series);
  //重新计算图表区域
  opts.area = new Array(4);
  //复位绘图区域
  for (let j = 0; j < 4; j++) {
    opts.area[j] = opts.padding[j] * opts.pix;
  }
  //通过计算三大区域：图例、X轴、Y轴的大小，确定绘图区域
  var _calLegendData = calLegendData(seriesMA, opts, config, opts.chartData, context),
    legendHeight = _calLegendData.area.wholeHeight,
    legendWidth = _calLegendData.area.wholeWidth;

  switch (opts.legend.position) {
    case 'top':
      opts.area[0] += legendHeight;
      break;
    case 'bottom':
      opts.area[2] += legendHeight;
      break;
    case 'left':
      opts.area[3] += legendWidth;
      break;
    case 'right':
      opts.area[1] += legendWidth;
      break;
  }

  let _calYAxisData = {},
    yAxisWidth = 0;
  if (opts.type === 'line' || opts.type === 'column' || opts.type === 'area' || opts.type === 'mix' || opts.type === 'candle' || opts.type === 'scatter'  || opts.type === 'bubble' || opts.type === 'bar') {
      _calYAxisData = calYAxisData(series, opts, config, context);
      yAxisWidth = _calYAxisData.yAxisWidth;
    //如果显示Y轴标题
    if (opts.yAxis.showTitle) {
      let maxTitleHeight = 0;
      for (let i = 0; i < opts.yAxis.data.length; i++) {
        maxTitleHeight = Math.max(maxTitleHeight, opts.yAxis.data[i].titleFontSize ? opts.yAxis.data[i].titleFontSize * opts.pix : config.fontSize)
      }
      opts.area[0] += maxTitleHeight;
    }
    let rightIndex = 0,
      leftIndex = 0;
    //计算主绘图区域左右位置
    for (let i = 0; i < yAxisWidth.length; i++) {
      if (yAxisWidth[i].position == 'left') {
        if (leftIndex > 0) {
          opts.area[3] += yAxisWidth[i].width + opts.yAxis.padding * opts.pix;
        } else {
          opts.area[3] += yAxisWidth[i].width;
        }
        leftIndex += 1;
      } else if (yAxisWidth[i].position == 'right') {
        if (rightIndex > 0) {
          opts.area[1] += yAxisWidth[i].width + opts.yAxis.padding * opts.pix;
        } else {
          opts.area[1] += yAxisWidth[i].width;
        }
        rightIndex += 1;
      }
    }
  } else {
    config.yAxisWidth = yAxisWidth;
  }
  opts.chartData.yAxisData = _calYAxisData;

  if (opts.categories && opts.categories.length && opts.type !== 'radar' && opts.type !== 'gauge' && opts.type !== 'bar') {
    opts.chartData.xAxisData = getXAxisPoints(opts.categories, opts, config);
    let _calCategoriesData = calCategoriesData(opts.categories, opts, config, opts.chartData.xAxisData.eachSpacing, context),
      xAxisHeight = _calCategoriesData.xAxisHeight,
      angle = _calCategoriesData.angle;
    config.xAxisHeight = xAxisHeight;
    config._xAxisTextAngle_ = angle;
    opts.area[2] += xAxisHeight;
    opts.chartData.categoriesData = _calCategoriesData;
  } else {
    if (opts.type === 'line' || opts.type === 'area' || opts.type === 'scatter' || opts.type === 'bubble' || opts.type === 'bar') {
      opts.chartData.xAxisData = calXAxisData(series, opts, config, context);
      categories = opts.chartData.xAxisData.rangesFormat;
      let _calCategoriesData = calCategoriesData(categories, opts, config, opts.chartData.xAxisData.eachSpacing, context),
        xAxisHeight = _calCategoriesData.xAxisHeight,
        angle = _calCategoriesData.angle;
      config.xAxisHeight = xAxisHeight;
      config._xAxisTextAngle_ = angle;
      opts.area[2] += xAxisHeight;
      opts.chartData.categoriesData = _calCategoriesData;
    } else {
      opts.chartData.xAxisData = {
        xAxisPoints: []
      };
    }
  }
  //计算右对齐偏移距离
  if (opts.enableScroll && opts.xAxis.scrollAlign == 'right' && opts._scrollDistance_ === undefined) {
    let offsetLeft = 0,
      xAxisPoints = opts.chartData.xAxisData.xAxisPoints,
      startX = opts.chartData.xAxisData.startX,
      endX = opts.chartData.xAxisData.endX,
      eachSpacing = opts.chartData.xAxisData.eachSpacing;
    let totalWidth = eachSpacing * (xAxisPoints.length - 1);
    let screenWidth = endX - startX;
    offsetLeft = screenWidth - totalWidth;
    _this.scrollOption = {
      currentOffset: offsetLeft,
      startTouchX: offsetLeft,
      distance: 0,
      lastMoveTime: 0
    };
    opts._scrollDistance_ = offsetLeft;
  }

  if (type === 'pie' || type === 'ring' || type === 'rose') {
    config._pieTextMaxLength_ = opts.dataLabel === false ? 0 : getPieTextMaxLength(seriesMA, config, context, opts);
  }
  switch (type) {
    case 'word':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          drawWordCloudDataPoints(series, opts, config, context, process);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'map':
      context.clearRect(0, 0, opts.width, opts.height);
      drawMapDataPoints(series, opts, config, context);
      break;
    case 'funnel':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          opts.chartData.funnelData = drawFunnelDataPoints(series, opts, config, context, process);
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'line':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          drawYAxisGrid(categories, opts, config, context);
          drawXAxis(categories, opts, config, context);
          var _drawLineDataPoints = drawLineDataPoints(series, opts, config, context, process),
            xAxisPoints = _drawLineDataPoints.xAxisPoints,
            calPoints = _drawLineDataPoints.calPoints,
            eachSpacing = _drawLineDataPoints.eachSpacing;
          opts.chartData.xAxisPoints = xAxisPoints;
          opts.chartData.calPoints = calPoints;
          opts.chartData.eachSpacing = eachSpacing;
          drawYAxis(series, opts, config, context);
          if (opts.enableMarkLine !== false && process === 1) {
            drawMarkLine(opts, config, context);
          }
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'scatter':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          drawYAxisGrid(categories, opts, config, context);
          drawXAxis(categories, opts, config, context);
          var _drawScatterDataPoints = drawScatterDataPoints(series, opts, config, context, process),
            xAxisPoints = _drawScatterDataPoints.xAxisPoints,
            calPoints = _drawScatterDataPoints.calPoints,
            eachSpacing = _drawScatterDataPoints.eachSpacing;
          opts.chartData.xAxisPoints = xAxisPoints;
          opts.chartData.calPoints = calPoints;
          opts.chartData.eachSpacing = eachSpacing;
          drawYAxis(series, opts, config, context);
          if (opts.enableMarkLine !== false && process === 1) {
            drawMarkLine(opts, config, context);
          }
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'bubble':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          drawYAxisGrid(categories, opts, config, context);
          drawXAxis(categories, opts, config, context);
          var _drawBubbleDataPoints = drawBubbleDataPoints(series, opts, config, context, process),
            xAxisPoints = _drawBubbleDataPoints.xAxisPoints,
            calPoints = _drawBubbleDataPoints.calPoints,
            eachSpacing = _drawBubbleDataPoints.eachSpacing;
          opts.chartData.xAxisPoints = xAxisPoints;
          opts.chartData.calPoints = calPoints;
          opts.chartData.eachSpacing = eachSpacing;
          drawYAxis(series, opts, config, context);
          if (opts.enableMarkLine !== false && process === 1) {
            drawMarkLine(opts, config, context);
          }
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'mix':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          drawYAxisGrid(categories, opts, config, context);
          drawXAxis(categories, opts, config, context);
          var _drawMixDataPoints = drawMixDataPoints(series, opts, config, context, process),
            xAxisPoints = _drawMixDataPoints.xAxisPoints,
            calPoints = _drawMixDataPoints.calPoints,
            eachSpacing = _drawMixDataPoints.eachSpacing;
          opts.chartData.xAxisPoints = xAxisPoints;
          opts.chartData.calPoints = calPoints;
          opts.chartData.eachSpacing = eachSpacing;
          drawYAxis(series, opts, config, context);
          if (opts.enableMarkLine !== false && process === 1) {
            drawMarkLine(opts, config, context);
          }
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'column':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          drawYAxisGrid(categories, opts, config, context);
          drawXAxis(categories, opts, config, context);
          var _drawColumnDataPoints = drawColumnDataPoints(series, opts, config, context, process),
            xAxisPoints = _drawColumnDataPoints.xAxisPoints,
            calPoints = _drawColumnDataPoints.calPoints,
            eachSpacing = _drawColumnDataPoints.eachSpacing;
          opts.chartData.xAxisPoints = xAxisPoints;
          opts.chartData.calPoints = calPoints;
          opts.chartData.eachSpacing = eachSpacing;
          drawYAxis(series, opts, config, context);
          if (opts.enableMarkLine !== false && process === 1) {
            drawMarkLine(opts, config, context);
          }
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'bar':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          drawXAxis(categories, opts, config, context);
          var _drawBarDataPoints = drawBarDataPoints(series, opts, config, context, process),
            yAxisPoints = _drawBarDataPoints.yAxisPoints,
            calPoints = _drawBarDataPoints.calPoints,
            eachSpacing = _drawBarDataPoints.eachSpacing;
          opts.chartData.yAxisPoints = yAxisPoints;
          opts.chartData.xAxisPoints = opts.chartData.xAxisData.xAxisPoints;
          opts.chartData.calPoints = calPoints;
          opts.chartData.eachSpacing = eachSpacing;
          drawYAxis(series, opts, config, context);
          if (opts.enableMarkLine !== false && process === 1) {
            drawMarkLine(opts, config, context);
          }
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process, eachSpacing, yAxisPoints);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'area':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          drawYAxisGrid(categories, opts, config, context);
          drawXAxis(categories, opts, config, context);
          var _drawAreaDataPoints = drawAreaDataPoints(series, opts, config, context, process),
            xAxisPoints = _drawAreaDataPoints.xAxisPoints,
            calPoints = _drawAreaDataPoints.calPoints,
            eachSpacing = _drawAreaDataPoints.eachSpacing;
          opts.chartData.xAxisPoints = xAxisPoints;
          opts.chartData.calPoints = calPoints;
          opts.chartData.eachSpacing = eachSpacing;
          drawYAxis(series, opts, config, context);
          if (opts.enableMarkLine !== false && process === 1) {
            drawMarkLine(opts, config, context);
          }
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'ring':
    case 'pie':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          opts.chartData.pieData = drawPieDataPoints(series, opts, config, context, process);
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'rose':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          opts.chartData.pieData = drawRoseDataPoints(series, opts, config, context, process);
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'radar':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          opts.chartData.radarData = drawRadarDataPoints(series, opts, config, context, process);
          drawLegend(opts.series, opts, config, context, opts.chartData);
          drawToolTipBridge(opts, config, context, process);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'arcbar':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          opts.chartData.arcbarData = drawArcbarDataPoints(series, opts, config, context, process);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'gauge':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          opts.chartData.gaugeData = drawGaugeDataPoints(categories, series, opts, config, context, process);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
    case 'candle':
      this.animationInstance = new Animation({
        timing: opts.timing,
        duration: duration,
        onProcess: function onProcess(process) {
          context.clearRect(0, 0, opts.width, opts.height);
          if (opts.rotate) {
            contextRotate(context, opts);
          }
          drawYAxisGrid(categories, opts, config, context);
          drawXAxis(categories, opts, config, context);
          var _drawCandleDataPoints = drawCandleDataPoints(series, seriesMA, opts, config, context, process),
            xAxisPoints = _drawCandleDataPoints.xAxisPoints,
            calPoints = _drawCandleDataPoints.calPoints,
            eachSpacing = _drawCandleDataPoints.eachSpacing;
          opts.chartData.xAxisPoints = xAxisPoints;
          opts.chartData.calPoints = calPoints;
          opts.chartData.eachSpacing = eachSpacing;
          drawYAxis(series, opts, config, context);
          if (opts.enableMarkLine !== false && process === 1) {
            drawMarkLine(opts, config, context);
          }
          if (seriesMA) {
            drawLegend(seriesMA, opts, config, context, opts.chartData);
          } else {
            drawLegend(opts.series, opts, config, context, opts.chartData);
          }
          drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints);
          drawCanvas(opts, context);
        },
        onAnimationFinish: function onAnimationFinish() {
          _this.uevent.trigger('renderComplete');
        }
      });
      break;
  }
}

function uChartsEvent() {
  this.events = {};
}

uChartsEvent.prototype.addEventListener = function(type, listener) {
  this.events[type] = this.events[type] || [];
  this.events[type].push(listener);
};

uChartsEvent.prototype.delEventListener = function(type) {
  this.events[type] = [];
};

uChartsEvent.prototype.trigger = function() {
  for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
    args[_key] = arguments[_key];
  }
  var type = args[0];
  var params = args.slice(1);
  if (!!this.events[type]) {
    this.events[type].forEach(function(listener) {
      try {
        listener.apply(null, params);
      } catch (e) {
          //console.log('[uCharts] '+e);
      }
    });
  }
};

var uCharts = function uCharts(opts) {
  opts.pix = opts.pixelRatio ? opts.pixelRatio : 1;
  opts.fontSize = opts.fontSize ? opts.fontSize : 13;
  opts.fontColor = opts.fontColor ? opts.fontColor : config.fontColor;
  if (opts.background == "" || opts.background == "none") {
    opts.background = "#FFFFFF"
  }
  opts.title = assign({}, opts.title);
  opts.subtitle = assign({}, opts.subtitle);
  opts.duration = opts.duration ? opts.duration : 1000;
  opts.yAxis = assign({}, {
    data: [],
    showTitle: false,
    disabled: false,
    disableGrid: false,
    splitNumber: 5,
    gridType: 'solid',
    dashLength: 4 * opts.pix,
    gridColor: '#cccccc',
    padding: 10,
    fontColor: '#666666'
  }, opts.yAxis);
  opts.xAxis = assign({}, {
    rotateLabel: false,
    disabled: false,
    disableGrid: false,
    splitNumber: 5,
    calibration:false,
    gridType: 'solid',
    dashLength: 4,
    scrollAlign: 'left',
    boundaryGap: 'center',
    axisLine: true,
    axisLineColor: '#cccccc'
  }, opts.xAxis);
  opts.xAxis.scrollPosition = opts.xAxis.scrollAlign;
  opts.legend = assign({}, {
    show: true,
    position: 'bottom',
    float: 'center',
    backgroundColor: 'rgba(0,0,0,0)',
    borderColor: 'rgba(0,0,0,0)',
    borderWidth: 0,
    padding: 5,
    margin: 5,
    itemGap: 10,
    fontSize: opts.fontSize,
    lineHeight: opts.fontSize,
    fontColor: opts.fontColor,
    formatter: {},
    hiddenColor: '#CECECE'
  }, opts.legend);
  opts.extra = assign({}, opts.extra);
  opts.rotate = opts.rotate ? true : false;
  opts.animation = opts.animation ? true : false;
  opts.rotate = opts.rotate ? true : false;
  opts.canvas2d = opts.canvas2d ? true : false;
  
  let config$$1 = JSON.parse(JSON.stringify(config));
  config$$1.color = opts.color ? opts.color : config$$1.color;
  config$$1.yAxisTitleWidth = opts.yAxis.disabled !== true && opts.yAxis.title ? config$$1.yAxisTitleWidth : 0;
  if (opts.type == 'pie') {
    config$$1.pieChartLinePadding = opts.dataLabel === false ? 0 : opts.extra.pie.labelWidth * opts.pix || config$$1.pieChartLinePadding * opts.pix;
  }
  if (opts.type == 'ring') {
    config$$1.pieChartLinePadding = opts.dataLabel === false ? 0 : opts.extra.ring.labelWidth * opts.pix || config$$1.pieChartLinePadding * opts.pix;
  }
  if (opts.type == 'rose') {
    config$$1.pieChartLinePadding = opts.dataLabel === false ? 0 : opts.extra.rose.labelWidth * opts.pix || config$$1.pieChartLinePadding * opts.pix;
  }
  config$$1.pieChartTextPadding = opts.dataLabel === false ? 0 : config$$1.pieChartTextPadding * opts.pix;
  config$$1.yAxisSplit = opts.yAxis.splitNumber ? opts.yAxis.splitNumber : config.yAxisSplit;

  //屏幕旋转
  config$$1.rotate = opts.rotate;
  if (opts.rotate) {
    let tempWidth = opts.width;
    let tempHeight = opts.height;
    opts.width = tempHeight;
    opts.height = tempWidth;
  }

  //适配高分屏
  opts.padding = opts.padding ? opts.padding : config$$1.padding;
  config$$1.yAxisWidth = config.yAxisWidth * opts.pix;
  config$$1.xAxisHeight = config.xAxisHeight * opts.pix;
  if (opts.enableScroll && opts.xAxis.scrollShow) {
    config$$1.xAxisHeight += 6 * opts.pix;
  }
  config$$1.xAxisLineHeight = config.xAxisLineHeight * opts.pix;
  config$$1.fontSize = opts.fontSize * opts.pix;
  config$$1.titleFontSize = config.titleFontSize * opts.pix;
  config$$1.subtitleFontSize = config.subtitleFontSize * opts.pix;
  config$$1.toolTipPadding = config.toolTipPadding * opts.pix;
  config$$1.toolTipLineHeight = config.toolTipLineHeight * opts.pix;
  config$$1.columePadding = config.columePadding * opts.pix;
  //this.context = opts.context ? opts.context : uni.createCanvasContext(opts.canvasId, opts.$this);
  //v2.0版本后需要自行获取context并传入opts进行初始化，这么做是为了确保uCharts可以跨更多端使用，并保证了自定义组件this实例不被循环嵌套。如果您觉得不便请取消上面注释，采用v1.0版本的方式使用，对此给您带来的不便敬请谅解！
  if(!opts.context){
    throw new Error('[uCharts] 未获取到context！注意：v2.0版本后，需要自行获取canvas的绘图上下文并传入opts.context！');
  }
  this.context = opts.context;
  if (!this.context.setTextAlign) {
    this.context.setStrokeStyle = function(e) {
      return this.strokeStyle = e;
    }
    this.context.setLineWidth = function(e) {
      return this.lineWidth = e;
    }
    this.context.setLineCap = function(e) {
      return this.lineCap = e;
    }
    this.context.setFontSize = function(e) {
      return this.font = e + "px sans-serif";
    }
    this.context.setFillStyle = function(e) {
      return this.fillStyle = e;
    }
    this.context.setTextAlign = function(e) {
      return this.textAlign = e;
    }
    this.context.draw = function() {}
  }
  //兼容NVUEsetLineDash
  if(!this.context.setLineDash){
    this.context.setLineDash = function(e) {}
  }
  opts.chartData = {};
  this.uevent = new uChartsEvent();
  this.scrollOption = {
    currentOffset: 0,
    startTouchX: 0,
    distance: 0,
    lastMoveTime: 0
  };
  this.opts = opts;
  this.config = config$$1;
  drawCharts.call(this, opts.type, opts, config$$1, this.context);
};

uCharts.prototype.updateData = function() {
  let data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  this.opts = assign({}, this.opts, data);
  this.opts.updateData = true;
  let scrollPosition = data.scrollPosition || 'current';
  switch (scrollPosition) {
    case 'current':
      //this.opts._scrollDistance_ = this.scrollOption.currentOffset;
      break;
    case 'left':
      this.opts._scrollDistance_ = 0;
      this.scrollOption = {
        currentOffset: 0,
        startTouchX: 0,
        distance: 0,
        lastMoveTime: 0
      };
      break;
    case 'right':
      let _calYAxisData = calYAxisData(this.opts.series, this.opts, this.config, this.context), yAxisWidth = _calYAxisData.yAxisWidth;
      this.config.yAxisWidth = yAxisWidth;
      let offsetLeft = 0;
      let _getXAxisPoints0 = getXAxisPoints(this.opts.categories, this.opts, this.config), xAxisPoints = _getXAxisPoints0.xAxisPoints,
        startX = _getXAxisPoints0.startX,
        endX = _getXAxisPoints0.endX,
        eachSpacing = _getXAxisPoints0.eachSpacing;
      let totalWidth = eachSpacing * (xAxisPoints.length - 1);
      let screenWidth = endX - startX;
      offsetLeft = screenWidth - totalWidth;
      this.scrollOption = {
        currentOffset: offsetLeft,
        startTouchX: offsetLeft,
        distance: 0,
        lastMoveTime: 0
      };
      this.opts._scrollDistance_ = offsetLeft;
      break;
  }
  drawCharts.call(this, this.opts.type, this.opts, this.config, this.context);
};

uCharts.prototype.zoom = function() {
  var val = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.opts.xAxis.itemCount;
  if (this.opts.enableScroll !== true) {
    console.log('[uCharts] 请启用滚动条后使用')
    return;
  }
  //当前屏幕中间点
  let centerPoint = Math.round(Math.abs(this.scrollOption.currentOffset) / this.opts.chartData.eachSpacing) + Math.round(this.opts.xAxis.itemCount / 2);
  this.opts.animation = false;
  this.opts.xAxis.itemCount = val.itemCount;
  //重新计算x轴偏移距离
  let _calYAxisData = calYAxisData(this.opts.series, this.opts, this.config, this.context),
    yAxisWidth = _calYAxisData.yAxisWidth;
  this.config.yAxisWidth = yAxisWidth;
  let offsetLeft = 0;
  let _getXAxisPoints0 = getXAxisPoints(this.opts.categories, this.opts, this.config),
    xAxisPoints = _getXAxisPoints0.xAxisPoints,
    startX = _getXAxisPoints0.startX,
    endX = _getXAxisPoints0.endX,
    eachSpacing = _getXAxisPoints0.eachSpacing;
  let centerLeft = eachSpacing * centerPoint;
  let screenWidth = endX - startX;
  let MaxLeft = screenWidth - eachSpacing * (xAxisPoints.length - 1);
  offsetLeft = screenWidth / 2 - centerLeft;
  if (offsetLeft > 0) {
    offsetLeft = 0;
  }
  if (offsetLeft < MaxLeft) {
    offsetLeft = MaxLeft;
  }
  this.scrollOption = {
    currentOffset: offsetLeft,
    startTouchX: offsetLeft,
    distance: 0,
    lastMoveTime: 0
  };
  this.opts._scrollDistance_ = offsetLeft;
  drawCharts.call(this, this.opts.type, this.opts, this.config, this.context);
};

uCharts.prototype.stopAnimation = function() {
  this.animationInstance && this.animationInstance.stop();
};

uCharts.prototype.addEventListener = function(type, listener) {
  this.uevent.addEventListener(type, listener);
};

uCharts.prototype.delEventListener = function(type) {
  this.uevent.delEventListener(type);
};

uCharts.prototype.getCurrentDataIndex = function(e) {
  var touches = null;
  if (e.changedTouches) {
    touches = e.changedTouches[0];
  } else {
    touches = e.mp.changedTouches[0];
  }
  if (touches) {
    let _touches$ = getTouches(touches, this.opts, e);
    if (this.opts.type === 'pie' || this.opts.type === 'ring') {
      return findPieChartCurrentIndex({
        x: _touches$.x,
        y: _touches$.y
      }, this.opts.chartData.pieData, this.opts);
    } else if (this.opts.type === 'rose') {
      return findRoseChartCurrentIndex({
        x: _touches$.x,
        y: _touches$.y
      }, this.opts.chartData.pieData, this.opts);
    } else if (this.opts.type === 'radar') {
      return findRadarChartCurrentIndex({
        x: _touches$.x,
        y: _touches$.y
      }, this.opts.chartData.radarData, this.opts.categories.length);
    } else if (this.opts.type === 'funnel') {
      return findFunnelChartCurrentIndex({
        x: _touches$.x,
        y: _touches$.y
      }, this.opts.chartData.funnelData);
    } else if (this.opts.type === 'map') {
      return findMapChartCurrentIndex({
        x: _touches$.x,
        y: _touches$.y
      }, this.opts);
    } else if (this.opts.type === 'word') {
      return findWordChartCurrentIndex({
        x: _touches$.x,
        y: _touches$.y
      }, this.opts.chartData.wordCloudData);
    } else if (this.opts.type === 'bar') {
      return findBarChartCurrentIndex({
        x: _touches$.x,
        y: _touches$.y
      }, this.opts.chartData.calPoints, this.opts, this.config, Math.abs(this.scrollOption.currentOffset));
    } else {
      return findCurrentIndex({
        x: _touches$.x,
        y: _touches$.y
      }, this.opts.chartData.calPoints, this.opts, this.config, Math.abs(this.scrollOption.currentOffset));
    }
  }
  return -1;
};

uCharts.prototype.getLegendDataIndex = function(e) {
  var touches = null;
  if (e.changedTouches) {
    touches = e.changedTouches[0];
  } else {
    touches = e.mp.changedTouches[0];
  }
  if (touches) {
    let _touches$ = getTouches(touches, this.opts, e);
    return findLegendIndex({
      x: _touches$.x,
      y: _touches$.y
    }, this.opts.chartData.legendData);
  }
  return -1;
};

uCharts.prototype.touchLegend = function(e) {
  var option = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var touches = null;
  if (e.changedTouches) {
    touches = e.changedTouches[0];
  } else {
    touches = e.mp.changedTouches[0];
  }
  if (touches) {
    var _touches$ = getTouches(touches, this.opts, e);
    var index = this.getLegendDataIndex(e);
    if (index >= 0) {
      if (this.opts.type == 'candle') {
        this.opts.seriesMA[index].show = !this.opts.seriesMA[index].show;
      } else {
        this.opts.series[index].show = !this.opts.series[index].show;
      }
      this.opts.animation = option.animation ? true : false;
      this.opts._scrollDistance_ = this.scrollOption.currentOffset;
      drawCharts.call(this, this.opts.type, this.opts, this.config, this.context);
    }
  }

};

uCharts.prototype.showToolTip = function(e) {
  var option = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var touches = null;
  if (e.changedTouches) {
    touches = e.changedTouches[0];
  } else {
    touches = e.mp.changedTouches[0];
  }
  if (!touches) {
    console.log("[uCharts] 未获取到event坐标信息");
  }
  var _touches$ = getTouches(touches, this.opts, e);
  var currentOffset = this.scrollOption.currentOffset;
  var opts = assign({}, this.opts, {
    _scrollDistance_: currentOffset,
    animation: false
  });
  if (this.opts.type === 'line' || this.opts.type === 'area' || this.opts.type === 'column' || this.opts.type === 'scatter' || this.opts.type === 'bubble') {
    var current = this.getCurrentDataIndex(e);
    var index = option.index == undefined ? current.index : option.index;
    if (index > -1 || index.length>0) {
      var seriesData = getSeriesDataItem(this.opts.series, index, current.group);
      if (seriesData.length !== 0) {
        var _getToolTipData = getToolTipData(seriesData, this.opts, index, current.group, this.opts.categories, option),
          textList = _getToolTipData.textList,
          offset = _getToolTipData.offset;
        offset.y = _touches$.y;
        opts.tooltip = {
          textList: option.textList !== undefined ? option.textList : textList,
          offset: option.offset !== undefined ? option.offset : offset,
          option: option,
          index: index
        };
      }
    }
    drawCharts.call(this, opts.type, opts, this.config, this.context);
  }
  if (this.opts.type === 'bar') {
    var current = this.getCurrentDataIndex(e);
    var index = option.index == undefined ? current.index : option.index;
    if (index > -1 || index.length>0) {
      var seriesData = getSeriesDataItem(this.opts.series, index, current.group);
      if (seriesData.length !== 0) {
        var _getToolTipData = getToolTipData(seriesData, this.opts, index, current.group, this.opts.categories, option),
          textList = _getToolTipData.textList,
          offset = _getToolTipData.offset;
        offset.x = _touches$.x;
        opts.tooltip = {
          textList: option.textList !== undefined ? option.textList : textList,
          offset: option.offset !== undefined ? option.offset : offset,
          option: option,
          index: index
        };
      }
    }
    drawCharts.call(this, opts.type, opts, this.config, this.context);
  }
  if (this.opts.type === 'mix') {
    var current = this.getCurrentDataIndex(e);
    var index = option.index == undefined ? current.index : option.index;
    if (index > -1) {
      var currentOffset = this.scrollOption.currentOffset;
      var opts = assign({}, this.opts, {
        _scrollDistance_: currentOffset,
        animation: false
      });
      var seriesData = getSeriesDataItem(this.opts.series, index);
      if (seriesData.length !== 0) {
        var _getMixToolTipData = getMixToolTipData(seriesData, this.opts, index, this.opts.categories, option),
          textList = _getMixToolTipData.textList,
          offset = _getMixToolTipData.offset;
        offset.y = _touches$.y;
        opts.tooltip = {
          textList: option.textList ? option.textList : textList,
          offset: option.offset !== undefined ? option.offset : offset,
          option: option,
          index: index
        };
      }
    }
    drawCharts.call(this, opts.type, opts, this.config, this.context);
  }
  if (this.opts.type === 'candle') {
    var current = this.getCurrentDataIndex(e);
    var index = option.index == undefined ? current.index : option.index;
    if (index > -1) {
      var currentOffset = this.scrollOption.currentOffset;
      var opts = assign({}, this.opts, {
        _scrollDistance_: currentOffset,
        animation: false
      });
      var seriesData = getSeriesDataItem(this.opts.series, index);
      if (seriesData.length !== 0) {
        var _getToolTipData = getCandleToolTipData(this.opts.series[0].data, seriesData, this.opts, index, this.opts.categories, this.opts.extra.candle, option),
          textList = _getToolTipData.textList,
          offset = _getToolTipData.offset;
        offset.y = _touches$.y;
        opts.tooltip = {
          textList: option.textList ? option.textList : textList,
          offset: option.offset !== undefined ? option.offset : offset,
          option: option,
          index: index
        };
      }
    }
    drawCharts.call(this, opts.type, opts, this.config, this.context);
  }
  if (this.opts.type === 'pie' || this.opts.type === 'ring' || this.opts.type === 'rose' || this.opts.type === 'funnel') {
    var index = option.index == undefined ? this.getCurrentDataIndex(e) : option.index;
    if (index > -1) {
      var opts = assign({}, this.opts, {animation: false});
      var seriesData = assign({}, opts._series_[index]);
      var textList = [{
        text: option.formatter ? option.formatter(seriesData, undefined, index, opts) : seriesData.name + ': ' + seriesData.data,
        color: seriesData.color
      }];
      var offset = {
        x: _touches$.x,
        y: _touches$.y
      };
      opts.tooltip = {
        textList: option.textList ? option.textList : textList,
        offset: option.offset !== undefined ? option.offset : offset,
        option: option,
        index: index
      };
    }
    drawCharts.call(this, opts.type, opts, this.config, this.context);
  }
  if (this.opts.type === 'map') {
    var index = option.index == undefined ? this.getCurrentDataIndex(e) : option.index;
    if (index > -1) {
      var opts = assign({}, this.opts, {animation: false});
      var seriesData = assign({}, this.opts.series[index]);
      seriesData.name = seriesData.properties.name
      var textList = [{
        text: option.formatter ? option.formatter(seriesData, undefined, index, this.opts) : seriesData.name,
        color: seriesData.color
      }];
      var offset = {
        x: _touches$.x,
        y: _touches$.y
      };
      opts.tooltip = {
        textList: option.textList ? option.textList : textList,
        offset: option.offset !== undefined ? option.offset : offset,
        option: option,
        index: index
      };
    }
    opts.updateData = false;
    drawCharts.call(this, opts.type, opts, this.config, this.context);
  }
  if (this.opts.type === 'word') {
    var index = option.index == undefined ? this.getCurrentDataIndex(e) : option.index;
    if (index > -1) {
      var opts = assign({}, this.opts, {animation: false});
      var seriesData = assign({}, this.opts.series[index]);
      var textList = [{
        text: option.formatter ? option.formatter(seriesData, undefined, index, this.opts) : seriesData.name,
        color: seriesData.color
      }];
      var offset = {
        x: _touches$.x,
        y: _touches$.y
      };
      opts.tooltip = {
        textList: option.textList ? option.textList : textList,
        offset: option.offset !== undefined ? option.offset : offset,
        option: option,
        index: index
      };
    }
    opts.updateData = false;
    drawCharts.call(this, opts.type, opts, this.config, this.context);
  }
  if (this.opts.type === 'radar') {
    var index = option.index == undefined ? this.getCurrentDataIndex(e) : option.index;
    if (index > -1) {
      var opts = assign({}, this.opts, {animation: false});
      var seriesData = getSeriesDataItem(this.opts.series, index);
      if (seriesData.length !== 0) {
        var textList = seriesData.map((item) => {
          return {
            text: option.formatter ? option.formatter(item, this.opts.categories[index], index, this.opts) : item.name + ': ' + item.data,
            color: item.color
          };
        });
        var offset = {
          x: _touches$.x,
          y: _touches$.y
        };
        opts.tooltip = {
          textList: option.textList ? option.textList : textList,
          offset: option.offset !== undefined ? option.offset : offset,
          option: option,
          index: index
        };
      }
    }
    drawCharts.call(this, opts.type, opts, this.config, this.context);
  }
};

uCharts.prototype.translate = function(distance) {
  this.scrollOption = {
    currentOffset: distance,
    startTouchX: distance,
    distance: 0,
    lastMoveTime: 0
  };
  let opts = assign({}, this.opts, {
    _scrollDistance_: distance,
    animation: false
  });
  drawCharts.call(this, this.opts.type, opts, this.config, this.context);
};

uCharts.prototype.scrollStart = function(e) {
  var touches = null;
  if (e.changedTouches) {
    touches = e.changedTouches[0];
  } else {
    touches = e.mp.changedTouches[0];
  }
  var _touches$ = getTouches(touches, this.opts, e);
  if (touches && this.opts.enableScroll === true) {
    this.scrollOption.startTouchX = _touches$.x;
  }
};

uCharts.prototype.scroll = function(e) {
  if (this.scrollOption.lastMoveTime === 0) {
    this.scrollOption.lastMoveTime = Date.now();
  }
  let Limit = this.opts.touchMoveLimit || 60;
  let currMoveTime = Date.now();
  let duration = currMoveTime - this.scrollOption.lastMoveTime;
  if (duration < Math.floor(1000 / Limit)) return;
  this.scrollOption.lastMoveTime = currMoveTime;
  var touches = null;
  if (e.changedTouches) {
    touches = e.changedTouches[0];
  } else {
    touches = e.mp.changedTouches[0];
  }
  if (touches && this.opts.enableScroll === true) {
    var _touches$ = getTouches(touches, this.opts, e);
    var _distance;
    _distance = _touches$.x - this.scrollOption.startTouchX;
    var currentOffset = this.scrollOption.currentOffset;
    var validDistance = calValidDistance(this, currentOffset + _distance, this.opts.chartData, this.config, this.opts);
    this.scrollOption.distance = _distance = validDistance - currentOffset;
    var opts = assign({}, this.opts, {
      _scrollDistance_: currentOffset + _distance,
      animation: false
    });
		this.opts = opts;
    drawCharts.call(this, opts.type, opts, this.config, this.context);
    return currentOffset + _distance;
  }
};

uCharts.prototype.scrollEnd = function(e) {
  if (this.opts.enableScroll === true) {
    var _scrollOption = this.scrollOption,
      currentOffset = _scrollOption.currentOffset,
      distance = _scrollOption.distance;
    this.scrollOption.currentOffset = currentOffset + distance;
    this.scrollOption.distance = 0;
  }
};

if (typeof module === "object" && typeof module.exports === "object") {
  module.exports = uCharts;
}

export default uCharts;