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/*
* uCharts (R)
* 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/快手)、Vue、Taro等支持canvas的框架平台
* Copyright (C) 2018-2022 QIUN (R) 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 (R) 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: 'v2.5.0-20230101',
yAxisWidth: 15,
xAxisHeight: 22,
padding: [10, 10, 10, 10],
rotate: false,
fontSize: 13,
fontColor: '#666666',
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,
titleFontSize: 20,
subtitleFontSize: 15,
radarLabelTextMargin: 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;
}
// 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') {
if (num == num + 1) { //修复数据值过大num++无效的bug by 向日葵 @xrk_jy
break;
}
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);
if(opts.type == 'mount' && opts.extra && opts.extra.mount && opts.extra.mount.widthRatio && opts.extra.mount.widthRatio > 1){
if(opts.extra.mount.widthRatio>2) opts.extra.mount.widthRatio = 2
dataChartWidth += (opts.extra.mount.widthRatio - 1)*chartData.eachSpacing;
}
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 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':
case 'bar':
item.legendShape = "rect";
break;
case 'area':
case 'mount':
item.legendShape = "triangle";
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) {
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.legendShape = item.legendShape;
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{
for (let i = 0; i < calPoints.length; i++) {
if(calPoints[i][index]){
points = calPoints[i][index];
break;
}
}
};
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,
legendShape: opts.extra.tooltip.legendShape == 'auto'? item.legendShape : opts.extra.tooltip.legendShape
};
});
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,
legendShape: opts.extra.tooltip.legendShape == 'auto'? item.legendShape : opts.extra.tooltip.legendShape
};
});
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],
legendShape: opts.extra.tooltip.legendShape == 'auto'? item.legendShape : opts.extra.tooltip.legendShape
};
let text2 = {
text: '收盘:' + item.data[1],
color: color[1],
legendShape: opts.extra.tooltip.legendShape == 'auto'? item.legendShape : opts.extra.tooltip.legendShape
};
let text3 = {
text: '最低:' + item.data[2],
color: color[2],
legendShape: opts.extra.tooltip.legendShape == 'auto'? item.legendShape : opts.extra.tooltip.legendShape
};
let text4 = {
text: '最高:' + item.data[3],
color: color[3],
legendShape: opts.extra.tooltip.legendShape == 'auto'? item.legendShape : opts.extra.tooltip.legendShape
};
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];
const legendText = item.legendText ? item.legendText : item.name;
let itemWidth = shapeWidth + shapeRight + measureText(legendText || '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: opts.xAxis.lineHeight * opts.pix + opts.xAxis.marginTop * opts.pix
};
var fontSize = opts.xAxis.fontSize * opts.pix;
var categoriesTextLenth = categories.map(function(item,index) {
var xitem = opts.xAxis.formatter ? opts.xAxis.formatter(item,index,opts) : item;
return measureText(String(xitem), fontSize, context);
});
var maxTextLength = Math.max.apply(this, categoriesTextLenth);
if (opts.xAxis.rotateLabel == true) {
result.angle = opts.xAxis.rotateAngle * Math.PI / 180;
let tempHeight = opts.xAxis.marginTop * opts.pix * 2 + Math.abs(maxTextLength * Math.sin(result.angle))
tempHeight = tempHeight < fontSize + opts.xAxis.marginTop * opts.pix * 2 ? tempHeight + opts.xAxis.marginTop * opts.pix * 2 : tempHeight;
result.xAxisHeight = tempHeight;
}
if (opts.enableScroll && opts.xAxis.scrollShow) {
result.xAxisHeight += 6 * opts.pix;
}
if (opts.xAxis.disabled){
result.xAxisHeight = 0;
}
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: opts.xAxis.lineHeight * opts.pix + opts.xAxis.marginTop * opts.pix
};
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, context);
});
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, option, eachSpacing) {
var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
for (let i = 0; i < series.length; i++) {
if(option.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(option.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.direction == 'ccw'){
if (arcbarOption.startAngle < arcbarOption.endAngle) {
totalAngle = 2 + arcbarOption.startAngle - arcbarOption.endAngle;
} else {
totalAngle = arcbarOption.startAngle - arcbarOption.endAngle;
}
}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(arcbarOption.direction == 'ccw'){
item._proportion_ = arcbarOption.startAngle - totalAngle * item.data * process ;
}
if (item._proportion_ >= 2) {
item._proportion_ = item._proportion_ % 2;
}
}
return series;
}
function getGaugeArcbarDataPoints(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;
if (endAngle < startAngle) {
totalAngle = 2 + endAngle - startAngle;
} else {
totalAngle = startAngle - endAngle;
}
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;
if (gaugeOption.endAngle < gaugeOption.startAngle) {
totalAngle = 2 + gaugeOption.endAngle - gaugeOption.startAngle;
} else {
totalAngle = gaugeOption.startAngle - gaugeOption.endAngle;
}
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 = 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 -= 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 widthRatio = 0;
if(opts.type == 'mount' && opts.extra && opts.extra.mount && opts.extra.mount.widthRatio && opts.extra.mount.widthRatio > 1){
if(opts.extra.mount.widthRatio>2) opts.extra.mount.widthRatio = 2
widthRatio = opts.extra.mount.widthRatio - 1;
dataCount += widthRatio;
}
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 + widthRatio / 2 * eachSpacing + index * eachSpacing);
});
if (opts.xAxis.boundaryGap !== 'justify') {
if (opts.enableScroll === true) {
xAxisPoints.push(startX + widthRatio * eachSpacing + 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 getLineDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, lineOption, process){
var process = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : 1;
var 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;
if(lineOption.animation == 'vertical'){
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);
} 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);
}else{
point.x = xAxisPoints[0] + eachSpacing * index * process;
var value = item;
if (boundaryGap == 'center') {
point.x += eachSpacing / 2;
}
var height = validHeight * (value - minRange) / (maxRange - minRange);
point.y = opts.height - height - opts.area[2];
points.push(point);
}
}
});
return points;
}
function getColumnDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, zeroPoints, process){
var process = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : 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.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);
} else {
value = item.value;
}
}
point.x += eachSpacing / 2;
var height = validHeight * (value * process - minRange) / (maxRange - minRange);
point.y = opts.height - height - opts.area[2];
points.push(point);
}
});
return points;
}
function getMountDataPoints(series, minRange, maxRange, xAxisPoints, eachSpacing, opts, mountOption, zeroPoints) {
var process = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : 1;
var points = [];
var validHeight = opts.height - opts.area[0] - opts.area[2];
var validWidth = opts.width - opts.area[1] - opts.area[3];
var mountWidth = eachSpacing * mountOption.widthRatio;
series.forEach(function(item, index) {
if (item === null) {
points.push(null);
} else {
var point = {};
point.color = item.color;
point.x = xAxisPoints[index];
point.x += eachSpacing / 2;
var value = item.data;
var height = validHeight * (value * process - minRange) / (maxRange - minRange);
point.y = opts.height - height - opts.area[2];
point.value = value;
point.width = mountWidth;
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;
if (typeof item === 'object' && item !== null) {
value = item.value;
}
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;
if (typeof item === 'object' && item !== null) {
value = item.value;
}
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);
}
if (minData === maxData) {
if(maxData == 0){
maxData = 10;
}else{
minData = 0;
}
}
var dataRange = getDataRange(minData, maxData);
var minRange = (yData.min === undefined || yData.min === null) ? dataRange.minRange : yData.min;
var maxRange = (yData.max === undefined || yData.max === null) ? dataRange.maxRange : yData.max;
var eachRange = (maxRange - minRange) / opts.yAxis.splitNumber;
var range = [];
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,index,opts) => {return val + (yData.unit || '')};
}
yData.categories = yData.categories || opts.categories;
rangesArr[i] = yData.categories;
}else{
if(!yData.formatter){
yData.formatter = (val,index,opts) => {return util.toFixed(val, yData.tofix || 0) + (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,index) {
items = yData.formatter(items,index,opts);
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,index,opts) => {return val + (opts.yAxis.unit || '')}
}
}else{
if(!opts.yAxis.formatter){
opts.yAxis.formatter = (val,index,opts) => {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,index) {
item = opts.yAxis.formatter(item,index,opts);
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 = Math.max.apply(this, ranges[i]);
let minVal = Math.min.apply(this, ranges[i]);
let item = maxVal - (maxVal - minVal) * (point - minAxis) / spacingValid;
item = opts.yAxis.data && opts.yAxis.data[i].formatter ? opts.yAxis.data[i].formatter(item, i, opts) : 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 === 'none') {
return;
}
context.closePath();
context.fill();
context.stroke();
}
function drawActivePoint(points, color, shape, context, opts, option, seriesIndex) {
if(!opts.tooltip){
return
}
if(opts.tooltip.group.length>0 && opts.tooltip.group.includes(seriesIndex) == false){
return
}
var pointIndex = typeof opts.tooltip.index === 'number' ? opts.tooltip.index : opts.tooltip.index[opts.tooltip.group.indexOf(seriesIndex)];
context.beginPath();
if (option.activeType == '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 && pointIndex == index ) {
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 && pointIndex == index) {
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 && pointIndex == index) {
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 && pointIndex == index) {
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 === 'none') {
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,series,opts) : value;
context.setTextAlign('center');
context.fillText(String(formatVal), item.x, item.y - 4 + textOffset * opts.pix);
context.closePath();
context.stroke();
context.setTextAlign('left');
}
});
}
function drawColumePointText(points, series, config, context, opts) {
// 绘制数据文案
var data = series.data;
var textOffset = series.textOffset ? series.textOffset : 0;
var Position = opts.extra.column.labelPosition;
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,series,opts) : value;
context.setTextAlign('center');
var startY = item.y - 4 * opts.pix + textOffset * opts.pix;
if(item.y > series.zeroPoints){
startY = item.y + textOffset * opts.pix + fontSize;
}
if(Position == 'insideTop'){
startY = item.y + fontSize + textOffset * opts.pix;
if(item.y > series.zeroPoints){
startY = item.y - textOffset * opts.pix - 4 * opts.pix;
}
}
if(Position == 'center'){
startY = item.y + textOffset * opts.pix + (opts.height - opts.area[2] - item.y + fontSize)/2;
if(series.zeroPoints < opts.height - opts.area[2]){
startY = item.y + textOffset * opts.pix + (series.zeroPoints - item.y + fontSize)/2;
}
if(item.y > series.zeroPoints){
startY = item.y - textOffset * opts.pix - (item.y - series.zeroPoints - fontSize)/2;
}
if(opts.extra.column.type == 'stack'){
startY = item.y + textOffset * opts.pix + (item.y0 - item.y + fontSize)/2;
}
}
if(Position == 'bottom'){
startY = opts.height - opts.area[2] + textOffset * opts.pix - 4 * opts.pix;
if(series.zeroPoints < opts.height - opts.area[2]){
startY = series.zeroPoints + textOffset * opts.pix - 4 * opts.pix;
}
if(item.y > series.zeroPoints){
startY = series.zeroPoints - textOffset * opts.pix + fontSize + 2 * opts.pix;
}
if(opts.extra.column.type == 'stack'){
startY = item.y0 + textOffset * opts.pix - 4 * opts.pix;
}
}
context.fillText(String(formatVal), item.x, startY);
context.closePath();
context.stroke();
context.setTextAlign('left');
}
});
}
function drawMountPointText(points, series, config, context, opts, zeroPoints) {
// 绘制数据文案
var data = series.data;
var textOffset = series.textOffset ? series.textOffset : 0;
var Position = opts.extra.mount.labelPosition;
points.forEach(function(item, index) {
if (item !== null) {
context.beginPath();
var fontSize = series[index].textSize ? series[index].textSize * opts.pix : config.fontSize;
context.setFontSize(fontSize);
context.setFillStyle(series[index].textColor || opts.fontColor);
var value = item.value
var formatVal = series[index].formatter ? series[index].formatter(value,index,series,opts) : value;
context.setTextAlign('center');
var startY = item.y - 4 * opts.pix + textOffset * opts.pix;
if(item.y > zeroPoints){
startY = item.y + textOffset * opts.pix + fontSize;
}
context.fillText(String(formatVal), item.x, startY);
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,series,opts) : value;
context.setTextAlign('left');
context.fillText(String(formatVal), item.x + 4 * 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;
radius = radius < 10 ? 10 : radius;
let totalAngle;
if (gaugeOption.endAngle < gaugeOption.startAngle) {
totalAngle = 2 + gaugeOption.endAngle - gaugeOption.startAngle;
} else {
totalAngle = gaugeOption.startAngle - gaugeOption.endAngle;
}
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,i,opts) : 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 || {};
angleList.forEach(function(angle, index) {
if(radarOption.labelPointShow === true && opts.categories[index] !== ''){
var posPoint = {
x: radius * Math.cos(angle),
y: radius * Math.sin(angle)
};
var posPointAxis = convertCoordinateOrigin(posPoint.x, posPoint.y, centerPosition);
context.setFillStyle(radarOption.labelPointColor);
context.beginPath();
context.arc(posPointAxis.x, posPointAxis.y, radarOption.labelPointRadius * opts.pix, 0, 2 * Math.PI, false);
context.closePath();
context.fill();
}
if(radarOption.labelShow === true){
var pos = {
x: (radius + config.radarLabelTextMargin * opts.pix) * Math.cos(angle),
y: (radius + config.radarLabelTextMargin * opts.pix) * 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) {
var text = item.formatter ? item.formatter(item,index,series,opts) : util.toFixed(item._proportion_.toFixed(4) * 100) + '%';
text = item.labelText ? item.labelText : text;
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,
labelShow: item.labelShow
};
});
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++) {
if(seriesConvert[i].labelShow === false){
continue;
}
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 * opts.pix, 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 + 2 * opts.pix;
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 - toolTipOption.boxPadding * opts.pix, textY, textWidth + 2 * toolTipOption.boxPadding * opts.pix, config.fontSize + 2 * toolTipOption.boxPadding * opts.pix);
context.closePath();
context.stroke();
context.fill();
context.beginPath();
context.setFontSize(config.fontSize);
context.setFillStyle(toolTipOption.labelFontColor || opts.fontColor);
context.fillText(String(labelText), textX, textY + toolTipOption.boxPadding * opts.pix + 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,
labelFontSize: 13,
labelPadding: 6,
labelFontColor: '#666666',
labelBgColor: '#DFE8FF',
labelBgOpacity: 0.8,
labelAlign: 'left',
labelOffsetX: 0,
labelOffsetY: 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 fontSize = item.labelFontSize * opts.pix;
let labelText = item.labelText ? item.labelText : item.value;
context.setFontSize(fontSize);
let textWidth = measureText(labelText, fontSize, context);
let bgWidth = textWidth + item.labelPadding * opts.pix * 2;
let bgStartX = item.labelAlign == 'left' ? opts.area[3] - bgWidth : opts.width - opts.area[1];
bgStartX += item.labelOffsetX;
let bgStartY = item.y - 0.5 * fontSize - item.labelPadding * opts.pix;
bgStartY += item.labelOffsetY;
let textX = bgStartX + item.labelPadding * opts.pix;
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, bgStartY, bgWidth, fontSize + 2 * item.labelPadding * opts.pix);
context.closePath();
context.stroke();
context.fill();
context.setFontSize(fontSize);
context.setTextAlign('left');
context.setFillStyle(item.labelFontColor);
context.fillText(String(labelText), textX, bgStartY + fontSize + item.labelPadding * opts.pix/2);
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 boxPadding = toolTipOption.boxPadding * opts.pix;
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(toolTipOption.fontSize * opts.pix);
let textWidth = measureText(labelText[i], toolTipOption.fontSize * opts.pix, context);
let bgStartX, bgEndX, bgWidth;
if (widthArr[i].position == 'left') {
bgStartX = tStartLeft - (textWidth + boxPadding * 2) - 2 * opts.pix;
bgEndX = Math.max(bgStartX, bgStartX + textWidth + boxPadding * 2);
} else {
bgStartX = tStartRight + 2 * opts.pix;
bgEndX = Math.max(bgStartX + widthArr[i].width, bgStartX + textWidth + boxPadding * 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 - boxPadding, bgWidth, config.fontSize + 2 * boxPadding);
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,
activeWidth: eachSpacing
}, opts.extra.column);
toolTipOption.activeWidth = toolTipOption.activeWidth > eachSpacing ? eachSpacing : toolTipOption.activeWidth;
var startY = opts.area[0];
var endY = opts.height - opts.area[2];
context.beginPath();
context.setFillStyle(hexToRgb(toolTipOption.activeBgColor, toolTipOption.activeBgOpacity));
context.rect(offsetX - toolTipOption.activeWidth / 2, startY, toolTipOption.activeWidth, 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,
boxPadding: 3,
fontColor: '#FFFFFF',
fontSize: 13,
lineHeight: 20,
legendShow: true,
legendShape: 'auto',
splitLine: true,
}, opts.extra.tooltip);
if(toolTipOption.showCategory==true && opts.categories){
textList.unshift({text:opts.categories[opts.tooltip.index],color:null})
}
var fontSize = toolTipOption.fontSize * opts.pix;
var lineHeight = toolTipOption.lineHeight * opts.pix;
var boxPadding = toolTipOption.boxPadding * opts.pix;
var legendWidth = fontSize;
var legendMarginRight = 5 * opts.pix;
if(toolTipOption.legendShow == false){
legendWidth = 0;
legendMarginRight = 0;
}
var arrowWidth = toolTipOption.showArrow ? 8 * opts.pix : 0;
var isOverRightBorder = false;
if (opts.type == 'line' || opts.type == 'mount' || 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, fontSize, context);
});
var toolTipWidth = legendWidth + legendMarginRight + 4 * boxPadding + Math.max.apply(null, textWidth);
var toolTipHeight = 2 * boxPadding + textList.length * lineHeight;
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, toolTipOption.bgOpacity));
context.setLineWidth(toolTipOption.borderWidth * opts.pix);
context.setStrokeStyle(hexToRgb(toolTipOption.borderColor, toolTipOption.borderOpacity));
var radius = toolTipOption.borderRadius;
if (isOverRightBorder) {
// 增加左侧仍然超出的判断
if(toolTipWidth + arrowWidth > opts.width){
offset.x = opts.width + Math.abs(opts._scrollDistance_ || 0) + arrowWidth + (toolTipWidth - opts.width)
}
if(toolTipWidth > offset.x){
offset.x = opts.width + Math.abs(opts._scrollDistance_ || 0) + arrowWidth + (toolTipWidth - opts.width)
}
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
if(toolTipOption.legendShow){
textList.forEach(function(item, index) {
if (item.color !== null) {
context.beginPath();
context.setFillStyle(item.color);
var startX = offset.x + arrowWidth + 2 * boxPadding;
var startY = offset.y + (lineHeight - fontSize) / 2 + lineHeight * index + boxPadding + 1;
if (isOverRightBorder) {
startX = offset.x - toolTipWidth - arrowWidth + 2 * boxPadding;
}
switch (item.legendShape) {
case 'line':
context.moveTo(startX, startY + 0.5 * legendWidth - 2 * opts.pix);
context.fillRect(startX, startY + 0.5 * legendWidth - 2 * opts.pix, legendWidth, 4 * opts.pix);
break;
case 'triangle':
context.moveTo(startX + 7.5 * opts.pix, startY + 0.5 * legendWidth - 5 * opts.pix);
context.lineTo(startX + 2.5 * opts.pix, startY + 0.5 * legendWidth + 5 * opts.pix);
context.lineTo(startX + 12.5 * opts.pix, startY + 0.5 * legendWidth + 5 * opts.pix);
context.lineTo(startX + 7.5 * opts.pix, startY + 0.5 * legendWidth - 5 * opts.pix);
break;
case 'diamond':
context.moveTo(startX + 7.5 * opts.pix, startY + 0.5 * legendWidth - 5 * opts.pix);
context.lineTo(startX + 2.5 * opts.pix, startY + 0.5 * legendWidth);
context.lineTo(startX + 7.5 * opts.pix, startY + 0.5 * legendWidth + 5 * opts.pix);
context.lineTo(startX + 12.5 * opts.pix, startY + 0.5 * legendWidth);
context.lineTo(startX + 7.5 * opts.pix, startY + 0.5 * legendWidth - 5 * opts.pix);
break;
case 'circle':
context.moveTo(startX + 7.5 * opts.pix, startY + 0.5 * legendWidth);
context.arc(startX + 7.5 * opts.pix, startY + 0.5 * legendWidth, 5 * opts.pix, 0, 2 * Math.PI);
break;
case 'rect':
context.moveTo(startX, startY + 0.5 * legendWidth - 5 * opts.pix);
context.fillRect(startX, startY + 0.5 * legendWidth - 5 * opts.pix, 15 * opts.pix, 10 * opts.pix);
break;
case 'square':
context.moveTo(startX + 2 * opts.pix, startY + 0.5 * legendWidth - 5 * opts.pix);
context.fillRect(startX + 2 * opts.pix, startY + 0.5 * legendWidth - 5 * opts.pix, 10 * opts.pix, 10 * opts.pix);
break;
default:
context.moveTo(startX, startY + 0.5 * legendWidth - 5 * opts.pix);
context.fillRect(startX, startY + 0.5 * legendWidth - 5 * opts.pix, 15 * opts.pix, 10 * opts.pix);
}
context.closePath();
context.fill();
}
});
}
// draw text list
textList.forEach(function(item, index) {
var startX = offset.x + arrowWidth + 2 * boxPadding + legendWidth + legendMarginRight;
if (isOverRightBorder) {
startX = offset.x - toolTipWidth - arrowWidth + 2 * boxPadding + legendWidth + legendMarginRight;
}
var startY = offset.y + lineHeight * index + (lineHeight - fontSize)/2 - 1 + boxPadding + fontSize;
context.beginPath();
context.setFontSize(fontSize);
context.setTextBaseline('normal');
context.setFillStyle(toolTipOption.fontColor);
context.fillText(item.text, startX, startY);
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,
labelPosition: 'outside'
}, 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();
// 计算0轴坐标
let spacingValid = opts.height - opts.area[0] - opts.area[2];
let zeroHeight = spacingValid * (0 - minRange) / (maxRange - minRange);
let zeroPoints = opts.height - Math.round(zeroHeight) - opts.area[2];
eachSeries.zeroPoints = zeroPoints;
var data = eachSeries.data;
switch (columnOption.type) {
case 'group':
var points = getColumnDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, zeroPoints, 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, zeroPoints);
//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 > zeroPoints ? zeroPoints : item.y;
const width = item.width;
const height = Math.abs(zeroPoints - item.y);
if (columnOption.barBorderCircle) {
columnOption.barBorderRadius = [width / 2, width / 2, 0, 0];
}
if(item.y > zeroPoints){
columnOption.barBorderRadius = [0, 0,width / 2, width / 2];
}
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, item.y);
context.lineTo(startX + item.width, zeroPoints);
context.lineTo(startX, zeroPoints);
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, 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);
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();
if (seriesIndex == 0 && columnOption.meterBorder > 0) {
context.setStrokeStyle(eachSeries.color);
context.setLineWidth(columnOption.meterBorder * opts.pix);
}
if(seriesIndex == 0){
context.setFillStyle(columnOption.meterFillColor);
}else{
context.setFillStyle(item.color || eachSeries.color);
}
var startX = item.x - item.width / 2;
var height = opts.height - item.y - opts.area[2];
if ((columnOption.barBorderRadius && columnOption.barBorderRadius.length === 4) || columnOption.barBorderCircle === true) {
const left = startX;
const top = item.y;
const width = item.width;
const height = zeroPoints - 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);
context.fill();
}else{
context.moveTo(startX, item.y);
context.lineTo(startX + item.width, item.y);
context.lineTo(startX + item.width, zeroPoints);
context.lineTo(startX, zeroPoints);
context.lineTo(startX, item.y);
context.fill();
}
if (seriesIndex == 0 && columnOption.meterBorder > 0) {
context.closePath();
context.stroke();
}
}
}
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 = getColumnDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
points = fixColumeData(points, eachSpacing, series.length, seriesIndex, config, opts);
drawColumePointText(points, eachSeries, config, context, opts);
break;
case 'stack':
var points = getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, series, process);
drawColumePointText(points, eachSeries, config, context, opts);
break;
case 'meter':
var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
drawColumePointText(points, eachSeries, config, context, opts);
break;
}
});
}
context.restore();
return {
xAxisPoints: xAxisPoints,
calPoints: calPoints,
eachSpacing: eachSpacing
};
}
function drawMountDataPoints(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 mountOption = assign({}, {
type: 'mount',
widthRatio: 1,
borderWidth: 1,
barBorderCircle: false,
barBorderRadius: [],
linearType: 'none',
linearOpacity: 1,
customColor: [],
colorStop: 0,
}, opts.extra.mount);
mountOption.widthRatio = mountOption.widthRatio <= 0 ? 0 : mountOption.widthRatio;
mountOption.widthRatio = mountOption.widthRatio >= 2 ? 2 : mountOption.widthRatio;
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;
}
mountOption.customColor = fillCustomColor(mountOption.linearType, mountOption.customColor, series, config);
let ranges, minRange, maxRange;
ranges = [].concat(opts.chartData.yAxisData.ranges[0]);
minRange = ranges.pop();
maxRange = ranges.shift();
// 计算0轴坐标
let spacingValid = opts.height - opts.area[0] - opts.area[2];
let zeroHeight = spacingValid * (0 - minRange) / (maxRange - minRange);
let zeroPoints = opts.height - Math.round(zeroHeight) - opts.area[2];
var points = getMountDataPoints(series, minRange, maxRange, xAxisPoints, eachSpacing, opts, mountOption, zeroPoints, process);
switch (mountOption.type) {
case 'bar':
for (let i = 0; i < points.length; i++) {
let item = points[i];
if (item !== null && i > leftNum && i < rightNum) {
var startX = item.x - eachSpacing*mountOption.widthRatio/2;
var height = opts.height - item.y - opts.area[2];
context.beginPath();
var fillColor = item.color || series[i].color
var strokeColor = item.color || series[i].color
if (mountOption.linearType !== 'none') {
var grd = context.createLinearGradient(startX, item.y, startX, zeroPoints);
//透明渐变
if (mountOption.linearType == 'opacity') {
grd.addColorStop(0, hexToRgb(fillColor, mountOption.linearOpacity));
grd.addColorStop(1, hexToRgb(fillColor, 1));
} else {
grd.addColorStop(0, hexToRgb(mountOption.customColor[series[i].linearIndex], mountOption.linearOpacity));
grd.addColorStop(mountOption.colorStop, hexToRgb(mountOption.customColor[series[i].linearIndex],mountOption.linearOpacity));
grd.addColorStop(1, hexToRgb(fillColor, 1));
}
fillColor = grd
}
// 圆角边框
if ((mountOption.barBorderRadius && mountOption.barBorderRadius.length === 4) || mountOption.barBorderCircle === true) {
const left = startX;
const top = item.y > zeroPoints ? zeroPoints : item.y;
const width = item.width;
const height = Math.abs(zeroPoints - item.y);
if (mountOption.barBorderCircle) {
mountOption.barBorderRadius = [width / 2, width / 2, 0, 0];
}
if(item.y > zeroPoints){
mountOption.barBorderRadius = [0, 0,width / 2, width / 2];
}
let [r0, r1, r2, r3] = mountOption.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, item.y);
context.lineTo(startX + item.width, zeroPoints);
context.lineTo(startX, zeroPoints);
context.lineTo(startX, item.y);
}
context.setStrokeStyle(strokeColor);
context.setFillStyle(fillColor);
if(mountOption.borderWidth > 0){
context.setLineWidth(mountOption.borderWidth * opts.pix);
context.closePath();
context.stroke();
}
context.fill();
}
};
break;
case 'triangle':
for (let i = 0; i < points.length; i++) {
let item = points[i];
if (item !== null && i > leftNum && i < rightNum) {
var startX = item.x - eachSpacing*mountOption.widthRatio/2;
var height = opts.height - item.y - opts.area[2];
context.beginPath();
var fillColor = item.color || series[i].color
var strokeColor = item.color || series[i].color
if (mountOption.linearType !== 'none') {
var grd = context.createLinearGradient(startX, item.y, startX, zeroPoints);
//透明渐变
if (mountOption.linearType == 'opacity') {
grd.addColorStop(0, hexToRgb(fillColor, mountOption.linearOpacity));
grd.addColorStop(1, hexToRgb(fillColor, 1));
} else {
grd.addColorStop(0, hexToRgb(mountOption.customColor[series[i].linearIndex], mountOption.linearOpacity));
grd.addColorStop(mountOption.colorStop, hexToRgb(mountOption.customColor[series[i].linearIndex],mountOption.linearOpacity));
grd.addColorStop(1, hexToRgb(fillColor, 1));
}
fillColor = grd
}
context.moveTo(startX, zeroPoints);
context.lineTo(item.x, item.y);
context.lineTo(startX + item.width, zeroPoints);
context.setStrokeStyle(strokeColor);
context.setFillStyle(fillColor);
if(mountOption.borderWidth > 0){
context.setLineWidth(mountOption.borderWidth * opts.pix);
context.stroke();
}
context.fill();
}
};
break;
case 'mount':
for (let i = 0; i < points.length; i++) {
let item = points[i];
if (item !== null && i > leftNum && i < rightNum) {
var startX = item.x - eachSpacing*mountOption.widthRatio/2;
var height = opts.height - item.y - opts.area[2];
context.beginPath();
var fillColor = item.color || series[i].color
var strokeColor = item.color || series[i].color
if (mountOption.linearType !== 'none') {
var grd = context.createLinearGradient(startX, item.y, startX, zeroPoints);
//透明渐变
if (mountOption.linearType == 'opacity') {
grd.addColorStop(0, hexToRgb(fillColor, mountOption.linearOpacity));
grd.addColorStop(1, hexToRgb(fillColor, 1));
} else {
grd.addColorStop(0, hexToRgb(mountOption.customColor[series[i].linearIndex], mountOption.linearOpacity));
grd.addColorStop(mountOption.colorStop, hexToRgb(mountOption.customColor[series[i].linearIndex],mountOption.linearOpacity));
grd.addColorStop(1, hexToRgb(fillColor, 1));
}
fillColor = grd
}
context.moveTo(startX, zeroPoints);
context.bezierCurveTo(item.x - item.width/4, zeroPoints, item.x - item.width/4, item.y, item.x, item.y);
context.bezierCurveTo(item.x + item.width/4, item.y, item.x + item.width/4, zeroPoints, startX + item.width, zeroPoints);
context.setStrokeStyle(strokeColor);
context.setFillStyle(fillColor);
if(mountOption.borderWidth > 0){
context.setLineWidth(mountOption.borderWidth * opts.pix);
context.stroke();
}
context.fill();
}
};
break;
case 'sharp':
for (let i = 0; i < points.length; i++) {
let item = points[i];
if (item !== null && i > leftNum && i < rightNum) {
var startX = item.x - eachSpacing*mountOption.widthRatio/2;
var height = opts.height - item.y - opts.area[2];
context.beginPath();
var fillColor = item.color || series[i].color
var strokeColor = item.color || series[i].color
if (mountOption.linearType !== 'none') {
var grd = context.createLinearGradient(startX, item.y, startX, zeroPoints);
//透明渐变
if (mountOption.linearType == 'opacity') {
grd.addColorStop(0, hexToRgb(fillColor, mountOption.linearOpacity));
grd.addColorStop(1, hexToRgb(fillColor, 1));
} else {
grd.addColorStop(0, hexToRgb(mountOption.customColor[series[i].linearIndex], mountOption.linearOpacity));
grd.addColorStop(mountOption.colorStop, hexToRgb(mountOption.customColor[series[i].linearIndex],mountOption.linearOpacity));
grd.addColorStop(1, hexToRgb(fillColor, 1));
}
fillColor = grd
}
context.moveTo(startX, zeroPoints);
context.quadraticCurveTo(item.x - 0, zeroPoints - height/4, item.x, item.y);
context.quadraticCurveTo(item.x + 0, zeroPoints - height/4, startX + item.width, zeroPoints)
context.setStrokeStyle(strokeColor);
context.setFillStyle(fillColor);
if(mountOption.borderWidth > 0){
context.setLineWidth(mountOption.borderWidth * opts.pix);
context.stroke();
}
context.fill();
}
};
break;
}
if (opts.dataLabel !== false && process === 1) {
let ranges, minRange, maxRange;
ranges = [].concat(opts.chartData.yAxisData.ranges[0]);
minRange = ranges.pop();
maxRange = ranges.shift();
var points = getMountDataPoints(series, minRange, maxRange, xAxisPoints, eachSpacing, opts, mountOption, zeroPoints, process);
drawMountPointText(points, series, config, context, opts, zeroPoints);
}
context.restore();
return {
xAxisPoints: xAxisPoints,
calPoints: points,
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.height;
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);
context.lineTo(startX, startY + item.width);
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);
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,
activeType: 'none'
}, 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);
}
drawActivePoint(points, eachSeries.color, eachSeries.pointShape, context, opts, areaOption,seriesIndex);
});
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 = eachSeries.textSize * opts.pix || config.fontSize;
context.setFontSize(fontSize);
context.setFillStyle(eachSeries.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,
activeType: 'none',
linearType: 'none',
onShadow: false,
animation: 'vertical',
}, 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) {
// 这段很神奇的代码用于解决ios16的setStrokeStyle失效的bug
context.beginPath();
context.setStrokeStyle(eachSeries.color);
context.moveTo(-10000, -10000);
context.lineTo(-10001, -10001);
context.stroke();
let ranges, minRange, maxRange;
ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
minRange = ranges.pop();
maxRange = ranges.shift();
var data = eachSeries.data;
var points = getLineDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, lineOption, 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();
var strokeColor = eachSeries.color;
if (lineOption.linearType !== 'none' && eachSeries.linearColor && eachSeries.linearColor.length > 0) {
var grd = context.createLinearGradient(opts.chartData.xAxisData.startX, opts.height/2, opts.chartData.xAxisData.endX, opts.height/2);
for (var i = 0; i < eachSeries.linearColor.length; i++) {
grd.addColorStop(eachSeries.linearColor[i][0], hexToRgb(eachSeries.linearColor[i][1], 1));
}
strokeColor = grd
}
context.setStrokeStyle(strokeColor);
if (lineOption.onShadow == true && eachSeries.setShadow && eachSeries.setShadow.length > 0) {
context.setShadow(eachSeries.setShadow[0], eachSeries.setShadow[1], eachSeries.setShadow[2], eachSeries.setShadow[3]);
}else{
context.setShadow(0, 0, 0, 'rgba(0,0,0,0)');
}
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);
}
drawActivePoint(points, eachSeries.color, eachSeries.pointShape, context, opts, lineOption);
});
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 xAxisData = opts.chartData.xAxisData,
xAxisPoints = xAxisData.xAxisPoints,
eachSpacing = xAxisData.eachSpacing;
let columnOption = assign({}, {
width: eachSpacing / 2,
barBorderCircle: false,
barBorderRadius: [],
seriesGap: 2,
linearType: 'none',
linearOpacity: 1,
customColor: [],
colorStop: 0,
}, opts.extra.mix.column);
let areaOption = assign({}, {
opacity: 0.2,
gradient: false
}, opts.extra.mix.area);
let lineOption = assign({}, {
width: 2
}, opts.extra.mix.line);
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, item.y);
context.lineTo(startX + item.width, 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.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(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(lineOption.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 (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 == 'mount' || 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);
if(opts.type == 'mount' && opts.extra && opts.extra.mount && opts.extra.mount.widthRatio && opts.extra.mount.widthRatio > 1){
if(opts.extra.mount.widthRatio>2) opts.extra.mount.widthRatio = 2
scrollTotalWidth += (opts.extra.mount.widthRatio - 1)*eachSpacing;
}
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,index,opts) : 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;
}
// 如果在主视图区域内
var _scrollDistance_ = opts._scrollDistance_ || 0;
var truePoints = boundaryGap == 'center' ? xAxisPoints[index] + eachSpacing / 2 : xAxisPoints[index];
if((truePoints - Math.abs(_scrollDistance_)) >= (opts.area[3] - 1) && (truePoints - Math.abs(_scrollDistance_)) <= (opts.width - opts.area[1] + 1)){
context.beginPath();
context.setFontSize(xAxisFontSize);
context.setFillStyle(opts.xAxis.fontColor || opts.fontColor);
context.fillText(String(xitem), xAxisPoints[index] + offset, startY + opts.xAxis.marginTop * opts.pix + (opts.xAxis.lineHeight - opts.xAxis.fontSize) * opts.pix / 2 + opts.xAxis.fontSize * opts.pix);
context.closePath();
context.stroke();
}
});
} else {
newCategories.forEach(function(item, index) {
var xitem = opts.xAxis.formatter ? opts.xAxis.formatter(item) : item;
// 如果在主视图区域内
var _scrollDistance_ = opts._scrollDistance_ || 0;
var truePoints = boundaryGap == 'center' ? xAxisPoints[index] + eachSpacing / 2 : xAxisPoints[index];
if((truePoints - Math.abs(_scrollDistance_)) >= (opts.area[3] - 1) && (truePoints - Math.abs(_scrollDistance_)) <= (opts.width - opts.area[1] + 1)){
context.save();
context.beginPath();
context.setFontSize(xAxisFontSize);
context.setFillStyle(opts.xAxis.fontColor || opts.fontColor);
var textWidth = measureText(String(xitem), xAxisFontSize, context);
var offsetX = xAxisPoints[index];
if (boundaryGap == 'center') {
offsetX = xAxisPoints[index] + eachSpacing / 2;
}
var scrollHeight = 0;
if (opts.xAxis.scrollShow) {
scrollHeight = 6 * opts.pix;
}
var offsetY = startY + opts.xAxis.marginTop * opts.pix + xAxisFontSize - xAxisFontSize * Math.abs(Math.sin(config._xAxisTextAngle_));
if(opts.xAxis.rotateAngle < 0){
offsetX -= xAxisFontSize / 2;
textWidth = 0;
}else{
offsetX += xAxisFontSize / 2;
textWidth = -textWidth;
}
context.translate(offsetX, offsetY);
context.rotate(-1 * config._xAxisTextAngle_);
context.fillText(String(xitem), textWidth , 0 );
context.closePath();
context.stroke();
context.restore();
}
});
}
}
context.restore();
//画X轴标题
if (opts.xAxis.title) {
context.beginPath();
context.setFontSize(opts.xAxis.titleFontSize * opts.pix);
context.setFillStyle(opts.xAxis.titleFontColor);
context.fillText(String(opts.xAxis.title), opts.width - opts.area[1] + opts.xAxis.titleOffsetX * opts.pix,opts.height - opts.area[2] + opts.xAxis.marginTop * opts.pix + (opts.xAxis.lineHeight - opts.xAxis.titleFontSize) * opts.pix / 2 + (opts.xAxis.titleFontSize + opts.xAxis.titleOffsetY) * opts.pix);
context.closePath();
context.stroke();
}
//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);
if(opts.type == 'mount' && opts.extra && opts.extra.mount && opts.extra.mount.widthRatio && opts.extra.mount.widthRatio > 1 ){
if(opts.extra.mount.widthRatio>2) opts.extra.mount.widthRatio = 2
TotalWidth += (opts.extra.mount.widthRatio - 1) * xAxiseachSpacing;
}
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];
// 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, endY + 2 * opts.pix);
}
if (opts.enableScroll == true && opts.xAxis.scrollPosition && opts.xAxis.scrollPosition !== 'right') {
context.fillRect(endX, 0, opts.width, endY + 2 * opts.pix);
}
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];
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;
const legendText = item.legendText ? item.legendText : item.name;
context.beginPath();
context.setFontSize(fontSize);
context.setFillStyle(item.show ? opts.legend.fontColor : opts.legend.hiddenColor);
context.fillText(legendText, startX, startY + fontTrans);
context.closePath();
context.stroke();
if (opts.legend.position == 'top' || opts.legend.position == 'bottom') {
startX += measureText(legendText, fontSize, context) + itemGap;
item.area[2] = startX;
} else {
item.area[2] = startX + measureText(legendText, 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);
radius = radius < 10 ? 10 : radius;
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) {
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);
radius = radius < 10 ? 10 : radius;
var minRadius = roseOption.minRadius || radius * 0.5;
if(radius < minRadius){
radius = minRadius + 10;
}
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) {
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',
direction: 'cw',
lineCap: 'round',
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;
}
radius = radius < 10 ? 10 : radius;
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(arcbarOption.lineCap);
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, arcbarOption.direction == 'ccw');
} else {
context.arc(centerPosition.x, centerPosition.y, radius - (arcbarOption.width * opts.pix + arcbarOption.gap * opts.pix) * i, 0, 2 * Math.PI, arcbarOption.direction == 'ccw');
}
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(arcbarOption.lineCap);
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, arcbarOption.direction == 'ccw');
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;
radius = radius < 10 ? 10 : radius;
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
if (gaugeOption.endAngle < gaugeOption.startAngle) {
totalAngle = 2 + gaugeOption.endAngle - gaugeOption.startAngle;
} else {
totalAngle = gaugeOption.startAngle - gaugeOption.endAngle;
}
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 = getGaugeArcbarDataPoints(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
if (gaugeOption.endAngle < gaugeOption.startAngle) {
totalAngle = 2 + gaugeOption.endAngle - gaugeOption.startAngle;
} else {
totalAngle = gaugeOption.startAngle - gaugeOption.endAngle;
}
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',
gridEval:1,
axisLabel:false,
axisLabelTofix:0,
labelShow:true,
labelColor:'#666666',
labelPointShow:false,
labelPointRadius:3,
labelPointColor:'#cccccc',
opacity: 0.2,
gridCount: 3,
border:false,
borderWidth:2,
linearType: 'none',
customColor: [],
}, 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;
radius = radius < 10 ? 10 : radius;
radius = radarOption.radius ? radarOption.radius : radius;
// 画分割线
context.beginPath();
context.setLineWidth(1 * opts.pix);
context.setStrokeStyle(radarOption.gridColor);
coordinateAngle.forEach(function(angle,index) {
var pos = convertCoordinateOrigin(radius * Math.cos(angle), radius * Math.sin(angle), centerPosition);
context.moveTo(centerPosition.x, centerPosition.y);
if (index % radarOption.gridEval == 0) {
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);
}
radarOption.customColor = fillCustomColor(radarOption.linearType, radarOption.customColor, series, config);
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);
var fillcolor = hexToRgb(eachSeries.color, radarOption.opacity);
if (radarOption.linearType == 'custom') {
var grd;
if(context.createCircularGradient){
grd = context.createCircularGradient(centerPosition.x, centerPosition.y, radius)
}else{
grd = context.createRadialGradient(centerPosition.x, centerPosition.y, 0,centerPosition.x, centerPosition.y, radius)
}
grd.addColorStop(0, hexToRgb(radarOption.customColor[series[seriesIndex].linearIndex], radarOption.opacity))
grd.addColorStop(1, hexToRgb(eachSeries.color, radarOption.opacity))
fillcolor = grd
}
context.setFillStyle(fillcolor);
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);
}
});
// 画刻度值
if(radarOption.axisLabel === true){
const maxData = Math.max(radarOption.max, Math.max.apply(null, dataCombine(series)));
const stepLength = radius / radarOption.gridCount;
const fontSize = opts.fontSize * opts.pix;
context.setFontSize(fontSize);
context.setFillStyle(opts.fontColor);
context.setTextAlign('left');
for (var i = 0; i < radarOption.gridCount + 1; i++) {
let label = i * maxData / radarOption.gridCount;
label = label.toFixed(radarOption.axisLabelTofix);
context.fillText(String(label), centerPosition.x + 3 * opts.pix, centerPosition.y - i * stepLength + fontSize / 2);
}
}
// 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
};
}
// 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;
}
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,
active:true,
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, series[i].fillOpacity||mapOption.fillOpacity));
if (mapOption.active == true && 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) {
for (var i = 0; i < data.length; i++) {
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 fontColor = data[i].textColor || opts.fontColor;
if(mapOption.active && mapOption.activeTextColor && opts.tooltip && opts.tooltip.index == i){
fontColor = mapOption.activeTextColor;
}
let text = data[i].properties.name;
context.beginPath();
context.setFontSize(fontSize)
context.setFillStyle(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 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 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,
minSize: 0,
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);
let seriesNew = getFunnelDataPoints(series, radius, funnelOption, 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 < seriesNew.length; i++) {
if (i == seriesNew.length -1) {
if (opts.tooltip) {
if (opts.tooltip.index == i) {
context.beginPath();
context.setFillStyle(hexToRgb(seriesNew[i].color, funnelOption.activeOpacity));
context.moveTo(-activeWidth, -eachSpacing);
context.lineTo(-seriesNew[i].radius - activeWidth, 0);
context.lineTo(seriesNew[i].radius + activeWidth, 0);
context.lineTo(activeWidth, -eachSpacing);
context.lineTo(-activeWidth, -eachSpacing);
context.closePath();
context.fill();
}
}
seriesNew[i].funnelArea = [centerPosition.x - seriesNew[i].radius, centerPosition.y - eachSpacing * (i + 1), centerPosition.x + seriesNew[i].radius, centerPosition.y - eachSpacing * i];
context.beginPath();
context.setLineWidth(funnelOption.borderWidth * opts.pix);
context.setStrokeStyle(funnelOption.borderColor);
var fillColor = hexToRgb(seriesNew[i].color, funnelOption.fillOpacity);
if (funnelOption.linearType == 'custom') {
var grd = context.createLinearGradient(seriesNew[i].radius, -eachSpacing, -seriesNew[i].radius, -eachSpacing);
grd.addColorStop(0, hexToRgb(seriesNew[i].color, funnelOption.fillOpacity));
grd.addColorStop(0.5, hexToRgb(funnelOption.customColor[seriesNew[i].linearIndex], funnelOption.fillOpacity));
grd.addColorStop(1, hexToRgb(seriesNew[i].color, funnelOption.fillOpacity));
fillColor = grd
}
context.setFillStyle(fillColor);
context.moveTo(0, -eachSpacing);
context.lineTo(-seriesNew[i].radius, 0);
context.lineTo(seriesNew[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(seriesNew[i].color, funnelOption.activeOpacity));
context.moveTo(0, 0);
context.lineTo(-seriesNew[i].radius - activeWidth, 0);
context.lineTo(-seriesNew[i + 1].radius - activeWidth, -eachSpacing);
context.lineTo(seriesNew[i + 1].radius + activeWidth, -eachSpacing);
context.lineTo(seriesNew[i].radius + activeWidth, 0);
context.lineTo(0, 0);
context.closePath();
context.fill();
}
}
seriesNew[i].funnelArea = [centerPosition.x - seriesNew[i].radius, centerPosition.y - eachSpacing * (i + 1), centerPosition.x + seriesNew[i].radius, centerPosition.y - eachSpacing * i];
context.beginPath();
context.setLineWidth(funnelOption.borderWidth * opts.pix);
context.setStrokeStyle(funnelOption.borderColor);
var fillColor = hexToRgb(seriesNew[i].color, funnelOption.fillOpacity);
if (funnelOption.linearType == 'custom') {
var grd = context.createLinearGradient(seriesNew[i].radius, -eachSpacing, -seriesNew[i].radius, -eachSpacing);
grd.addColorStop(0, hexToRgb(seriesNew[i].color, funnelOption.fillOpacity));
grd.addColorStop(0.5, hexToRgb(funnelOption.customColor[seriesNew[i].linearIndex], funnelOption.fillOpacity));
grd.addColorStop(1, hexToRgb(seriesNew[i].color, funnelOption.fillOpacity));
fillColor = grd
}
context.setFillStyle(fillColor);
context.moveTo(0, 0);
context.lineTo(-seriesNew[i].radius, 0);
context.lineTo(-seriesNew[i + 1].radius, -eachSpacing);
context.lineTo(seriesNew[i + 1].radius, -eachSpacing);
context.lineTo(seriesNew[i].radius, 0);
context.lineTo(0, 0);
context.closePath();
context.fill();
if (funnelOption.border == true) {
context.stroke();
}
}
context.translate(0, -eachSpacing)
}
}else{
context.translate(0, - (seriesNew.length - 1) * eachSpacing);
for (let i = 0; i < seriesNew.length; i++) {
if (i == seriesNew.length - 1) {
if (opts.tooltip) {
if (opts.tooltip.index == i) {
context.beginPath();
context.setFillStyle(hexToRgb(seriesNew[i].color, funnelOption.activeOpacity));
context.moveTo(-activeWidth - funnelOption.minSize/2, 0);
context.lineTo(-seriesNew[i].radius - activeWidth, -eachSpacing);
context.lineTo(seriesNew[i].radius + activeWidth, -eachSpacing);
context.lineTo(activeWidth + funnelOption.minSize/2, 0);
context.lineTo(-activeWidth - funnelOption.minSize/2, 0);
context.closePath();
context.fill();
}
}
seriesNew[i].funnelArea = [centerPosition.x - seriesNew[i].radius, centerPosition.y - eachSpacing, centerPosition.x + seriesNew[i].radius, centerPosition.y ];
context.beginPath();
context.setLineWidth(funnelOption.borderWidth * opts.pix);
context.setStrokeStyle(funnelOption.borderColor);
var fillColor = hexToRgb(seriesNew[i].color, funnelOption.fillOpacity);
if (funnelOption.linearType == 'custom') {
var grd = context.createLinearGradient(seriesNew[i].radius, -eachSpacing, -seriesNew[i].radius, -eachSpacing);
grd.addColorStop(0, hexToRgb(seriesNew[i].color, funnelOption.fillOpacity));
grd.addColorStop(0.5, hexToRgb(funnelOption.customColor[seriesNew[i].linearIndex], funnelOption.fillOpacity));
grd.addColorStop(1, hexToRgb(seriesNew[i].color, funnelOption.fillOpacity));
fillColor = grd
}
context.setFillStyle(fillColor);
context.moveTo(0, 0);
context.lineTo(-funnelOption.minSize/2, 0);
context.lineTo(-seriesNew[i].radius, -eachSpacing);
context.lineTo(seriesNew[i].radius, -eachSpacing);
context.lineTo(funnelOption.minSize/2, 0);
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(seriesNew[i].color, funnelOption.activeOpacity));
context.moveTo(0, 0);
context.lineTo(-seriesNew[i + 1].radius - activeWidth, 0);
context.lineTo(-seriesNew[i].radius - activeWidth, -eachSpacing);
context.lineTo(seriesNew[i].radius + activeWidth, -eachSpacing);
context.lineTo(seriesNew[i + 1].radius + activeWidth, 0);
context.lineTo(0, 0);
context.closePath();
context.fill();
}
}
seriesNew[i].funnelArea = [centerPosition.x - seriesNew[i].radius, centerPosition.y - eachSpacing * (seriesNew.length - i), centerPosition.x + seriesNew[i].radius, centerPosition.y - eachSpacing * (seriesNew.length - i - 1)];
context.beginPath();
context.setLineWidth(funnelOption.borderWidth * opts.pix);
context.setStrokeStyle(funnelOption.borderColor);
var fillColor = hexToRgb(seriesNew[i].color, funnelOption.fillOpacity);
if (funnelOption.linearType == 'custom') {
var grd = context.createLinearGradient(seriesNew[i].radius, -eachSpacing, -seriesNew[i].radius, -eachSpacing);
grd.addColorStop(0, hexToRgb(seriesNew[i].color, funnelOption.fillOpacity));
grd.addColorStop(0.5, hexToRgb(funnelOption.customColor[seriesNew[i].linearIndex], funnelOption.fillOpacity));
grd.addColorStop(1, hexToRgb(seriesNew[i].color, funnelOption.fillOpacity));
fillColor = grd
}
context.setFillStyle(fillColor);
context.moveTo(0, 0);
context.lineTo(-seriesNew[i + 1].radius, 0);
context.lineTo(-seriesNew[i].radius, -eachSpacing);
context.lineTo(seriesNew[i].radius, -eachSpacing);
context.lineTo(seriesNew[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(seriesNew, opts, context, eachSpacing, funnelOption.labelAlign, activeWidth, centerPosition);
}
if (process === 1) {
drawFunnelCenterText(seriesNew, opts, context, eachSpacing, funnelOption.labelAlign, activeWidth, centerPosition);
}
return {
center: centerPosition,
radius: radius,
series: seriesNew
};
}
function drawFunnelText(series, opts, context, eachSpacing, labelAlign, activeWidth, centerPosition) {
for (let i = 0; i < series.length; i++) {
let item = series[i];
if(item.labelShow === false){
continue;
}
let startX, endX, startY, fontSize;
let text = item.formatter ? item.formatter(item,i,series,opts) : util.toFixed(item._proportion_ * 100) + '%';
text = item.labelText ? item.labelText : text;
if (labelAlign == 'right') {
if (i == series.length -1) {
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 * opts.pix, 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();
}
if (labelAlign == 'left') {
if (i == series.length -1) {
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 drawFunnelCenterText(series, opts, context, eachSpacing, labelAlign, activeWidth, centerPosition) {
for (let i = 0; i < series.length; i++) {
let item = series[i];
let startY, fontSize;
if (item.centerText) {
startY = item.funnelArea[1] + eachSpacing / 2;
fontSize = item.centerTextSize * opts.pix || opts.fontSize * opts.pix;
context.beginPath();
context.setFontSize(fontSize);
context.setFillStyle(item.centerTextColor || "#FFFFFF");
context.fillText(item.centerText, centerPosition.x - measureText(item.centerText, fontSize, context) / 2, startY + fontSize / 2 - 2);
context.closePath();
context.stroke();
context.closePath();
}
}
}
function drawCanvas(opts, context) {
context.save();
context.translate(0, 0.5);
context.restore();
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 === 'mount' || type === 'rose' || type === 'funnel') {
series = fixPieSeries(series, opts, config);
}
var categories = opts.categories;
if (type === 'mount') {
categories = [];
for (let j = 0; j < series.length; j++) {
if(series[j].show !== false) categories.push(series[j].name)
}
opts.categories = 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 === 'mount' || 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;
_this.scrollOption.startTouchX = offsetLeft;
_this.scrollOption.distance = 0;
_this.scrollOption.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);
setTimeout(()=>{
this.uevent.trigger('renderComplete');
},50)
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 'mount':
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 _drawMountDataPoints = drawMountDataPoints(series, opts, config, context, process),
xAxisPoints = _drawMountDataPoints.xAxisPoints,
calPoints = _drawMountDataPoints.calPoints,
eachSpacing = _drawMountDataPoints.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':
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 '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,
gridSet: 'number',
splitNumber: 5,
gridType: 'solid',
dashLength: 4 * opts.pix,
gridColor: '#cccccc',
padding: 10,
fontColor: '#666666'
}, opts.yAxis);
opts.xAxis = assign({}, {
rotateLabel: false,
rotateAngle:45,
disabled: false,
disableGrid: false,
splitNumber: 5,
calibration:false,
fontColor: '#666666',
fontSize: 13,
lineHeight: 20,
marginTop: 0,
gridType: 'solid',
dashLength: 4,
scrollAlign: 'left',
boundaryGap: 'center',
axisLine: true,
axisLineColor: '#cccccc',
titleFontSize: 13,
titleOffsetY: 0,
titleOffsetX: 0,
titleFontColor: '#666666'
}, 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({
tooltip:{
legendShape: 'auto'
}
}, 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$$1 = assign({}, config);
config$$1.color = opts.color ? opts.color : config$$1.color;
if (opts.type == 'pie') {
config$$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$$1.pieChartTextPadding * opts.pix;
//屏幕旋转
config$$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$$1.fontSize = opts.fontSize * opts.pix;
config$$1.titleFontSize = config.titleFontSize * opts.pix;
config$$1.subtitleFontSize = config.subtitleFontSize * opts.pix;
if(!opts.context){
throw new Error('[uCharts] 未获取到context!注意:v2.0版本后,需要自行获取canvas的绘图上下文并传入opts.context!');
}
this.context = opts.context;
if (!this.context.setTextAlign) {
this.context.setStrokeStyle = function(e) {
return this.strokeStyle = e;
}
this.context.setLineWidth = function(e) {
return this.lineWidth = e;
}
this.context.setLineCap = function(e) {
return this.lineCap = e;
}
this.context.setFontSize = function(e) {
return this.font = e + "px sans-serif";
}
this.context.setFillStyle = function(e) {
return this.fillStyle = e;
}
this.context.setTextAlign = function(e) {
return this.textAlign = e;
}
this.context.setTextBaseline = function(e) {
return this.textBaseline = e;
}
this.context.setShadow = function(offsetX,offsetY,blur,color) {
this.shadowColor = color;
this.shadowOffsetX = offsetX;
this.shadowOffsetY = offsetY;
this.shadowBlur = blur;
}
this.context.draw = function() {}
}
//兼容NVUEsetLineDash
if(!this.context.setLineDash){
this.context.setLineDash = function(e) {}
}
opts.chartData = {};
this.uevent = new uChartsEvent();
this.scrollOption = {
currentOffset: 0,
startTouchX: 0,
distance: 0,
lastMoveTime: 0
};
this.opts = opts;
this.config = config$$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: 0,
distance: 0,
lastMoveTime: 0
};
calValidDistance(this, offsetLeft, this.opts.chartData, this.config, this.opts);
this.opts._scrollDistance_ = offsetLeft;
drawCharts.call(this, this.opts.type, this.opts, this.config, this.context);
};
uCharts.prototype.dobuleZoom = function(e) {
if (this.opts.enableScroll !== true) {
console.log('[uCharts] 请启用滚动条后使用')
return;
}
const tcs = e.changedTouches;
if (tcs.length < 2) {
return;
}
for (var i = 0; i < tcs.length; i++) {
tcs[i].x = tcs[i].x ? tcs[i].x : tcs[i].clientX;
tcs[i].y = tcs[i].y ? tcs[i].y : tcs[i].clientY;
}
const ntcs = [getTouches(tcs[0], this.opts, e),getTouches(tcs[1], this.opts, e)];
const xlength = Math.abs(ntcs[0].x - ntcs[1].x);
// 记录初始的两指之间的数据
if(!this.scrollOption.moveCount){
let cts0 = {changedTouches:[{x:tcs[0].x,y:this.opts.area[0] / this.opts.pix + 2}]};
let cts1 = {changedTouches:[{x:tcs[1].x,y:this.opts.area[0] / this.opts.pix + 2}]};
if(this.opts.rotate){
cts0 = {changedTouches:[{x:this.opts.height / this.opts.pix - this.opts.area[0] / this.opts.pix - 2,y:tcs[0].y}]};
cts1 = {changedTouches:[{x:this.opts.height / this.opts.pix - this.opts.area[0] / this.opts.pix - 2,y:tcs[1].y}]};
}
const moveCurrent1 = this.getCurrentDataIndex(cts0).index;
const moveCurrent2 = this.getCurrentDataIndex(cts1).index;
const moveCount = Math.abs(moveCurrent1 - moveCurrent2);
this.scrollOption.moveCount = moveCount;
this.scrollOption.moveCurrent1 = Math.min(moveCurrent1, moveCurrent2);
this.scrollOption.moveCurrent2 = Math.max(moveCurrent1, moveCurrent2);
return;
}
let currentEachSpacing = xlength / this.scrollOption.moveCount;
let itemCount = (this.opts.width - this.opts.area[1] - this.opts.area[3]) / currentEachSpacing;
itemCount = itemCount <= 2 ? 2 : itemCount;
itemCount = itemCount >= this.opts.categories.length ? this.opts.categories.length : itemCount;
this.opts.animation = false;
this.opts.xAxis.itemCount = itemCount;
// 重新计算滚动条偏移距离
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 currentLeft = eachSpacing * this.scrollOption.moveCurrent1;
let screenWidth = endX - startX;
let MaxLeft = screenWidth - eachSpacing * (xAxisPoints.length - 1);
offsetLeft = -currentLeft+Math.min(ntcs[0].x,ntcs[1].x)-this.opts.area[3]-eachSpacing;
if (offsetLeft > 0) {
offsetLeft = 0;
}
if (offsetLeft < MaxLeft) {
offsetLeft = MaxLeft;
}
this.scrollOption.currentOffset= offsetLeft;
this.scrollOption.startTouchX= 0;
this.scrollOption.distance=0;
calValidDistance(this, offsetLeft, this.opts.chartData, this.config, this.opts);
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$.y;
opts.tooltip = {
textList: option.textList !== undefined ? option.textList : textList,
offset: option.offset !== undefined ? option.offset : offset,
option: option,
index: index,
group: current.group
};
}
}
drawCharts.call(this, opts.type, opts, this.config, this.context);
}
if (this.opts.type === 'mount') {
var index = option.index == undefined ? this.getCurrentDataIndex(e).index : option.index;
if (index > -1) {
var opts = assign({}, this.opts, {animation: false});
var seriesData = assign({}, opts._series_[index]);
var textList = [{
text: option.formatter ? option.formatter(seriesData, undefined, index, opts) : seriesData.name + ': ' + seriesData.data,
color: seriesData.color,
legendShape: this.opts.extra.tooltip.legendShape == 'auto' ? seriesData.legendShape : this.opts.extra.tooltip.legendShape
}];
var offset = {
x: opts.chartData.calPoints[index].x,
y: _touches$.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 === '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$.y;
opts.tooltip = {
textList: option.textList ? option.textList : textList,
offset: option.offset !== undefined ? option.offset : offset,
option: option,
index: index
};
}
}
drawCharts.call(this, opts.type, opts, this.config, this.context);
}
if (this.opts.type === 'pie' || this.opts.type === 'ring' || this.opts.type === 'rose' || this.opts.type === 'funnel') {
var index = option.index == undefined ? this.getCurrentDataIndex(e) : option.index;
if (index > -1) {
var opts = assign({}, this.opts, {animation: false});
var seriesData = assign({}, opts._series_[index]);
var textList = [{
text: option.formatter ? option.formatter(seriesData, undefined, index, opts) : seriesData.name + ': ' + seriesData.data,
color: seriesData.color,
legendShape: this.opts.extra.tooltip.legendShape == 'auto' ? seriesData.legendShape : this.opts.extra.tooltip.legendShape
}];
var offset = {
x: _touches$.x,
y: _touches$.y
};
opts.tooltip = {
textList: option.textList ? option.textList : textList,
offset: option.offset !== undefined ? option.offset : offset,
option: option,
index: index
};
}
drawCharts.call(this, opts.type, opts, this.config, this.context);
}
if (this.opts.type === 'map') {
var index = option.index == undefined ? this.getCurrentDataIndex(e) : option.index;
if (index > -1) {
var opts = assign({}, this.opts, {animation: false});
var seriesData = assign({}, this.opts.series[index]);
seriesData.name = seriesData.properties.name
var textList = [{
text: option.formatter ? option.formatter(seriesData, undefined, index, this.opts) : seriesData.name,
color: seriesData.color,
legendShape: this.opts.extra.tooltip.legendShape == 'auto' ? seriesData.legendShape : this.opts.extra.tooltip.legendShape
}];
var offset = {
x: _touches$.x,
y: _touches$.y
};
opts.tooltip = {
textList: option.textList ? option.textList : textList,
offset: option.offset !== undefined ? option.offset : offset,
option: option,
index: index
};
}
opts.updateData = false;
drawCharts.call(this, opts.type, opts, this.config, this.context);
}
if (this.opts.type === 'word') {
var index = option.index == undefined ? this.getCurrentDataIndex(e) : option.index;
if (index > -1) {
var opts = assign({}, this.opts, {animation: false});
var seriesData = assign({}, this.opts.series[index]);
var textList = [{
text: option.formatter ? option.formatter(seriesData, undefined, index, this.opts) : seriesData.name,
color: seriesData.color,
legendShape: this.opts.extra.tooltip.legendShape == 'auto' ? seriesData.legendShape : this.opts.extra.tooltip.legendShape
}];
var offset = {
x: _touches$.x,
y: _touches$.y
};
opts.tooltip = {
textList: option.textList ? option.textList : textList,
offset: option.offset !== undefined ? option.offset : offset,
option: option,
index: index
};
}
opts.updateData = false;
drawCharts.call(this, opts.type, opts, this.config, this.context);
}
if (this.opts.type === 'radar') {
var index = option.index == undefined ? this.getCurrentDataIndex(e) : option.index;
if (index > -1) {
var opts = assign({}, this.opts, {animation: false});
var seriesData = getSeriesDataItem(this.opts.series, index);
if (seriesData.length !== 0) {
var textList = seriesData.map((item) => {
return {
text: option.formatter ? option.formatter(item, this.opts.categories[index], index, this.opts) : item.name + ': ' + item.data,
color: item.color,
legendShape: this.opts.extra.tooltip.legendShape == 'auto' ? item.legendShape : this.opts.extra.tooltip.legendShape
};
});
var offset = {
x: _touches$.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$.x;
}
};
uCharts.prototype.scroll = function(e) {
if (this.scrollOption.lastMoveTime === 0) {
this.scrollOption.lastMoveTime = Date.now();
}
let Limit = this.opts.touchMoveLimit || 60;
let currMoveTime = Date.now();
let duration = currMoveTime - this.scrollOption.lastMoveTime;
if (duration < Math.floor(1000 / Limit)) return;
if (this.scrollOption.startTouchX == 0) return;
this.scrollOption.lastMoveTime = currMoveTime;
var touches = null;
if (e.changedTouches) {
touches = e.changedTouches[0];
} else {
touches = e.mp.changedTouches[0];
}
if (touches && this.opts.enableScroll === true) {
var _touches$ = 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;
this.scrollOption.moveCount = 0;
}
};
export default uCharts;