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- /*
- * uCharts v1.9.3.20190922
- * uni-app平台高性能跨全端图表,支持H5、APP、小程序(微信/支付宝/百度/头条/QQ/360)
- * Copyright (c) 2019 QIUN秋云 https://www.ucharts.cn All rights reserved.
- * Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
- *
- * uCharts官方网站
- * https://www.uCharts.cn
- *
- * 开源地址:
- * https://gitee.com/uCharts/uCharts
- *
- * uni-app插件市场地址:
- * http://ext.dcloud.net.cn/plugin?id=271
- *
- */
- 'use strict';
- var config = {
- yAxisWidth: 15,
- yAxisSplit: 5,
- xAxisHeight: 15,
- xAxisLineHeight: 15,
- legendHeight: 15,
- yAxisTitleWidth: 15,
- padding: [10, 10, 10, 10],
- pixelRatio: 1,
- rotate: false,
- columePadding: 3,
- fontSize: 13,
- //dataPointShape: ['diamond', 'circle', 'triangle', 'rect'],
- dataPointShape: ['circle', 'circle', 'circle', 'circle'],
- colors: ['#1890ff', '#2fc25b', '#facc14', '#f04864', '#8543e0', '#90ed7d'],
- pieChartLinePadding: 15,
- pieChartTextPadding: 5,
- xAxisTextPadding: 3,
- titleColor: '#333333',
- titleFontSize: 20,
- subtitleColor: '#999999',
- subtitleFontSize: 15,
- toolTipPadding: 3,
- toolTipBackground: '#000000',
- toolTipOpacity: 0.7,
- toolTipLineHeight: 20,
- radarLabelTextMargin: 15,
- gaugeLabelTextMargin: 15
- };
- let assign = function (target, ...varArgs) {
- if (target == null) {
- throw new TypeError('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] unvalid series data!');
- }
- limit = limit || 10;
- type = type ? type : 'upper';
- var multiple = 1;
- while (limit < 1) {
- limit *= 10;
- multiple *= 10;
- }
- if (type === 'upper') {
- num = Math.ceil(num * multiple);
- } else {
- num = Math.floor(num * multiple);
- }
- while (num % limit !== 0) {
- if (type === 'upper') {
- num++;
- } else {
- num--;
- }
- }
- return num / multiple;
- }
- function calCandleMA(dayArr, nameArr, colorArr, kdata) {
- let seriesTemp = [];
- for (let k = 0; k < dayArr.length; k++) {
- let seriesItem = {
- data: [],
- name: nameArr[k],
- color: colorArr[k]
- };
- for (let i = 0, len = kdata.length; i < len; i++) {
- if (i < dayArr[k]) {
- seriesItem.data.push(null);
- continue;
- }
- let sum = 0;
- for (let j = 0; j < dayArr[k]; j++) {
- sum += kdata[i - j][1];
- }
- seriesItem.data.push(+(sum / dayArr[k]).toFixed(3));
- }
- seriesTemp.push(seriesItem);
- }
- return seriesTemp;
- }
- function calValidDistance(self,distance, chartData, config, opts) {
- var dataChartAreaWidth = opts.width - opts.area[1] - opts.area[3];
- var dataChartWidth = chartData.eachSpacing * (opts.chartData.xAxisData.xAxisPoints.length-1);
- var validDistance = distance;
- if (distance >= 0) {
- validDistance = 0;
- self.event.trigger('scrollLeft');
- } else if (Math.abs(distance) >= dataChartWidth - dataChartAreaWidth) {
- validDistance = dataChartAreaWidth - dataChartWidth;
- self.event.trigger('scrollRight');
- }
- return validDistance;
- }
- function isInAngleRange(angle, startAngle, endAngle) {
- function adjust(angle) {
- while (angle < 0) {
- angle += 2 * Math.PI;
- }
- while (angle > 2 * Math.PI) {
- angle -= 2 * Math.PI;
- }
- return angle;
- }
- angle = adjust(angle);
- startAngle = adjust(startAngle);
- endAngle = adjust(endAngle);
- if (startAngle > endAngle) {
- endAngle += 2 * Math.PI;
- if (angle < startAngle) {
- angle += 2 * Math.PI;
- }
- }
- return angle >= startAngle && angle <= endAngle;
- }
- function calRotateTranslate(x, y, h) {
- var xv = x;
- var yv = h - y;
- var transX = xv + (h - yv - xv) / Math.sqrt(2);
- transX *= -1;
- var transY = (h - yv) * (Math.sqrt(2) - 1) - (h - yv - xv) / Math.sqrt(2);
- return {
- transX: transX,
- transY: transY
- };
- }
- function createCurveControlPoints(points, i) {
- function isNotMiddlePoint(points, i) {
- if (points[i - 1] && points[i + 1]) {
- return points[i].y >= Math.max(points[i - 1].y, points[i + 1].y) || points[i].y <= Math.min(points[i - 1].y,
- points[
- i + 1].y);
- } else {
- return false;
- }
- }
- 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 (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;
- }
- 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 fillSeries(series, opts, config) {
- var index = 0;
- return series.map(function(item) {
- if (!item.color) {
- item.color = config.colors[index];
- index = (index + 1) % config.colors.length;
- }
- if (!item.index) {
- item.index = 0;
- }
- if (!item.type) {
- item.type = opts.type;
- }
- if (typeof item.show == "undefined") {
- item.show = true;
- }
- if (!item.type) {
- item.type = opts.type;
- }
- if (!item.pointShape) {
- item.pointShape = "circle";
- }
- if (!item.legendShape) {
- switch (item.type) {
- case 'line':
- item.legendShape = "line";
- break;
- case 'column':
- item.legendShape = "rect";
- break;
- case 'area':
- item.legendShape = "triangle";
- break;
- default:
- item.legendShape = "circle";
- }
- }
- return item;
- });
- }
- 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) {
- var fontSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : config.fontSize;
- text = String(text);
- var text = text.split('');
- var width = 0;
- 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 (/[\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.pixelRatio;
- x = (touches.pageY - e.currentTarget.offsetTop - (opts.height / opts.pixelRatio / 2) * (opts.pixelRatio - 1)) *
- opts.pixelRatio;
- } else {
- x = touches.clientX * opts.pixelRatio;
- y = (touches.pageY - e.currentTarget.offsetTop - (opts.height / opts.pixelRatio / 2) * (opts.pixelRatio - 1)) *
- opts.pixelRatio;
- }
- } else {
- if (opts.rotate) {
- y = opts.height - touches.x * opts.pixelRatio;
- x = touches.y * opts.pixelRatio;
- } else {
- x = touches.x * opts.pixelRatio;
- y = touches.y * opts.pixelRatio;
- }
- }
- return {
- x: x,
- y: y
- }
- }
- function getSeriesDataItem(series, index) {
- var data = [];
- for (let i = 0; i < series.length; i++) {
- let item = series[i];
- if (item.data[index] !== null && typeof item.data[index] !== 'undefined' && item.show) {
- let seriesItem = {};
- seriesItem.color = item.color;
- seriesItem.type = item.type;
- seriesItem.style = item.style;
- seriesItem.pointShape = item.pointShape;
- seriesItem.disableLegend = item.disableLegend;
- seriesItem.name = item.name;
- seriesItem.show = item.show;
- seriesItem.data = item.format ? item.format(item.data[index]) : item.data[index];
- data.push(seriesItem);
- }
- }
- return data;
- }
- function getMaxTextListLength(list) {
- var lengthList = list.map(function(item) {
- return measureText(item);
- });
- 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, calPoints, index, categories) {
- var option = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
- var textList = seriesData.map(function(item) {
- let titleText=[];
- if(categories){
- titleText=categories;
- }else{
- titleText=item.data;
- }
- return {
- text: option.format ? option.format(item, titleText[index]) : item.name + ': ' + item.data,
- color: item.color
- };
- });
- 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]);
- }
- }
- for (let i = 0; i < validCalPoints.length; i++) {
- let item = validCalPoints[i];
- offset.x = Math.round(item.x);
- offset.y += item.y;
- }
- offset.y /= validCalPoints.length;
- return {
- textList: textList,
- offset: offset
- };
- }
- function getMixToolTipData(seriesData, calPoints, index, categories) {
- var option = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
- var textList = seriesData.map(function(item) {
- return {
- text: option.format ? option.format(item, categories[index]) : item.name + ': ' + item.data,
- color: item.color,
- disableLegend: item.disableLegend ? true : false
- };
- });
- textList = textList.filter(function(item) {
- if (item.disableLegend !== true) {
- return item;
- }
- });
- 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]);
- }
- }
- for (let i = 0; i < validCalPoints.length; i++) {
- let item = validCalPoints[i];
- offset.x = Math.round(item.x);
- offset.y += item.y;
- }
- offset.y /= validCalPoints.length;
- return {
- textList: textList,
- offset: offset
- };
- }
- function getCandleToolTipData(series, seriesData, calPoints, index, categories, extra) {
- var option = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : {};
- 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 = [];
- let text0 = {
- text: categories[index],
- color: null
- };
- textList.push(text0);
- seriesData.map(function(item) {
- if (index == 0 && item.data[1] - item.data[0] < 0) {
- color[1] = downColor;
- } else {
- if (item.data[0] < series[index - 1][1]) {
- color[0] = downColor;
- }
- if (item.data[1] < item.data[0]) {
- color[1] = downColor;
- }
- if (item.data[2] > series[index - 1][1]) {
- color[2] = upColor;
- }
- if (item.data[3] < series[index - 1][1]) {
- color[3] = downColor;
- }
- }
- let text1 = {
- text: '开盘:' + item.data[0],
- color: color[0]
- };
- let text2 = {
- text: '收盘:' + item.data[1],
- color: color[1]
- };
- let text3 = {
- text: '最低:' + item.data[2],
- color: color[2]
- };
- let text4 = {
- text: '最高:' + item.data[3],
- color: color[3]
- };
- textList.push(text1, text2, text3, text4);
- });
- var validCalPoints = [];
- var offset = {
- x: 0,
- y: 0
- };
- for (let i = 0; i < calPoints.length; i++) {
- let points = calPoints[i];
- if (typeof points[index] !== 'undefined' && points[index] !== null) {
- validCalPoints.push(points[index]);
- }
- }
- offset.x = Math.round(validCalPoints[0][0].x);
- return {
- textList: textList,
- offset: offset
- };
- }
- function filterSeries(series) {
- let tempSeries = [];
- for (let i = 0; i < series.length; i++) {
- if (series[i].show == true) {
- tempSeries.push(series[i])
- }
- }
- return tempSeries;
- }
- function findCurrentIndex(currentPoints, calPoints, opts, config) {
- var offset = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0;
- var currentIndex = -1;
- var spacing = 0;
- let xAxisPoints=[];
- for(let i=0;i<calPoints[0].length;i++){
- xAxisPoints.push(calPoints[0][i].x)
- }
- if((opts.type=='line' || opts.type=='area') && opts.xAxis.boundaryGap=='justify'){
- spacing = opts.chartData.eachSpacing/2;
- }
- if(!opts.categories){
- spacing=0
- }
- if (isInExactChartArea(currentPoints, opts, config)) {
- xAxisPoints.forEach(function(item, index) {
- if (currentPoints.x + offset + spacing > item) {
- currentIndex = index;
- }
- });
- }
- return currentIndex;
- }
- function findLegendIndex(currentPoints, legendData, opts) {
- let currentIndex = -1;
- 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 (currentPoints.x > area[0] && currentPoints.x < area[2] && currentPoints.y > area[1] && currentPoints.y < area[3]) {
- 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)){
- currentIndex = i;
- break;
- }
- }
- return currentIndex;
- }
- function findPieChartCurrentIndex(currentPoints, pieData) {
- var currentIndex = -1;
- if (isInExactPieChartArea(currentPoints, pieData.center, pieData.radius)) {
- var angle = Math.atan2(pieData.center.y - currentPoints.y, currentPoints.x - pieData.center.x);
- angle = -angle;
- for (var i = 0, len = pieData.series.length; i < len; i++) {
- var item = pieData.series[i];
- if (isInAngleRange(angle, item._start_, item._start_ + item._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) {
- var newPoints = [];
- var items = [];
- points.forEach(function(item, index) {
- 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) {
- 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;
- let margin = opts.legend.margin;
- let fontSize = opts.legend.fontSize;
- let shapeWidth = 15 * opts.pixelRatio;
- let shapeRight = 5 * opts.pixelRatio;
- let lineHeight = Math.max(opts.legend.lineHeight * opts.pixelRatio, fontSize);
- if (opts.legend.position == 'top' || opts.legend.position == 'bottom') {
- let legendList = [];
- let widthCount = 0;
- let widthCountArr = [];
- let currentRow = [];
- for (let i = 0; i < series.length; i++) {
- let item = series[i];
- let itemWidth = shapeWidth + shapeRight + measureText(item.name || 'undefined', fontSize) + opts.legend.itemGap;
- if (widthCount + itemWidth > opts.width - opts.padding[1] - opts.padding[3]) {
- legendList.push(currentRow);
- widthCountArr.push(widthCount - opts.legend.itemGap);
- widthCount = itemWidth;
- currentRow = [item];
- } else {
- widthCount += itemWidth;
- currentRow.push(item);
- }
- }
- if (currentRow.length) {
- legendList.push(currentRow);
- widthCountArr.push(widthCount - opts.legend.itemGap);
- legendData.widthArr = widthCountArr;
- let legendWidth = Math.max.apply(null, widthCountArr);
- switch (opts.legend.float) {
- case 'left':
- legendData.area.start.x = opts.padding[3];
- legendData.area.end.x = opts.padding[3] + 2 * padding;
- break;
- case 'right':
- legendData.area.start.x = opts.width - opts.padding[1] - legendWidth - 2 * padding;
- legendData.area.end.x = opts.width - opts.padding[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.padding[0] - opts.padding[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.padding[0] + margin;
- legendData.area.end.y = opts.padding[0] + margin + legendData.area.height;
- break;
- case 'bottom':
- legendData.area.start.y = opts.height - opts.padding[2] - margin - legendData.area.height;
- legendData.area.end.y = opts.height - opts.padding[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) + opts.legend.itemGap;
- 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 + 2 * padding;
- legendData.area.wholeWidth = legendData.area.width + padding;
- }
- }
- switch (opts.legend.position) {
- case 'top':
- legendData.area.start.y = opts.padding[0] + margin;
- legendData.area.end.y = opts.padding[0] + margin + legendData.area.height;
- break;
- case 'bottom':
- legendData.area.start.y = opts.height - opts.padding[2] - legendData.area.height - margin;
- legendData.area.end.y = opts.height - opts.padding[2] - margin;
- break;
- case 'left':
- legendData.area.start.x = opts.padding[3];
- legendData.area.end.x = opts.padding[3] + legendData.area.width;
- break;
- case 'right':
- legendData.area.start.x = opts.width - opts.padding[1] - legendData.area.width;
- legendData.area.end.x = opts.width - opts.padding[1];
- break;
- }
- chartData.legendData = legendData;
- return legendData;
- }
- function calCategoriesData(categories, opts, config, eachSpacing) {
- var result = {
- angle: 0,
- xAxisHeight: config.xAxisHeight
- };
- var categoriesTextLenth = categories.map(function(item) {
- return measureText(item,opts.xAxis.fontSize||config.fontSize);
- });
- var maxTextLength = Math.max.apply(this, categoriesTextLenth);
- if (opts.xAxis.rotateLabel == true && maxTextLength + 2 * config.xAxisTextPadding > eachSpacing) {
- result.angle = 45 * Math.PI / 180;
- result.xAxisHeight = 2 * config.xAxisTextPadding + maxTextLength * Math.sin(result.angle);
- }
- return result;
- }
- function getXAxisTextList(series, opts, config) {
- var index = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : -1;
- var 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 == Array) {
- return item !== null;
- } else {
- return item.value !== null;
- }
- } else {
- return item !== null;
- }
- });
- data.map(function(item) {
- if (typeof item === 'object') {
- if (item.constructor == Array) {
- 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 = dataRange.minRange;
- var maxRange = dataRange.maxRange;
- 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){
- var result = {
- angle: 0,
- xAxisHeight: config.xAxisHeight
- };
- result.ranges = getXAxisTextList(series, opts, config);
- result.rangesFormat = result.ranges.map(function(item){
- item = opts.xAxis.format? opts.xAxis.format(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.format ? opts.xAxis.format(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);
- });
-
- // get max length of categories text
- var maxTextLength = Math.max.apply(this, textLength);
- // 如果刻度值文本内容过长,则将其逆时针旋转45°
- if (maxTextLength + 2 * config.xAxisTextPadding > eachSpacing) {
- result.angle = 45 * Math.PI / 180;
- result.xAxisHeight = 2 * config.xAxisTextPadding + maxTextLength * Math.sin(result.angle);
- }
- if (opts.xAxis.disabled === true) {
- result.xAxisHeight = 0;
- }
- return result;
- }
- function getRadarDataPoints(angleList, center, radius, series, opts) {
- var process = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 1;
- var radarOption = opts.extra.radar || {};
- radarOption.max = radarOption.max || 0;
- var maxData = Math.max(radarOption.max, Math.max.apply(null, dataCombine(series)));
- var data = [];
- for (let i = 0; i < series.length; i++) {
- let each = series[i];
- let listItem = {};
- listItem.color = each.color;
- listItem.legendShape = each.legendShape;
- listItem.pointShape = each.pointShape;
- listItem.data = [];
- each.data.forEach(function(item, index) {
- let tmp = {};
- tmp.angle = angleList[index];
- tmp.proportion = item / maxData;
- tmp.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) {
- var process = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
- series = series.sort(function(a,b){return parseInt(b.data)-parseInt(a.data);});
- for (let i = 0; i < series.length; i++) {
- series[i].radius = series[i].data/series[0].data*radius*process;
- series[i]._proportion_ = series[i].data/series[0].data;
- }
- return series.reverse();
- }
- 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 || type == 'area') {
- item._proportion_ = item.data / count * process;
- item._rose_proportion_ = 1 / series.length * process;
- } else {
- item._proportion_ = item.data / count * process;
- item._rose_proportion_ = item.data / count * process;
- }
- item._radius_ = minRadius + radiusLength * ((item.data - minData) / (maxData - minData));
- }
- for (let i = 0; i < series.length; i++) {
- let item = series[i];
- item._start_ = _start_;
- _start_ += 2 * item._rose_proportion_ * Math.PI;
- }
- return series;
- }
- function getArcbarDataPoints(series, arcbarOption) {
- var process = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
- if (process == 1) {
- process = 0.999999;
- }
- for (let i = 0; i < series.length; i++) {
- let item = series[i];
- item.data = item.data === null ? 0 : item.data;
- let totalAngle;
- if (arcbarOption.type == 'circle') {
- totalAngle = 2;
- } else {
- if (arcbarOption.endAngle < arcbarOption.startAngle) {
- totalAngle = 2 + arcbarOption.endAngle - arcbarOption.startAngle;
- } else{
- totalAngle = arcbarOption.startAngle - arcbarOption.endAngle;
- }
- }
- item._proportion_ = totalAngle * item.data * process + arcbarOption.startAngle;
- if (item._proportion_ >= 2) {
- item._proportion_ = item._proportion_ % 2;
- }
- }
- return series;
- }
- function getGaugeAxisPoints(categories, startAngle, endAngle) {
- let totalAngle = startAngle - endAngle + 1;
- let tempStartAngle = startAngle;
- for (let i = 0; i < categories.length; i++) {
- categories[i].value = categories[i].value === null ? 0 : categories[i].value;
- categories[i]._startAngle_ = tempStartAngle;
- categories[i]._endAngle_ = totalAngle * categories[i].value + startAngle;
- if (categories[i]._endAngle_ >= 2) {
- categories[i]._endAngle_ = categories[i]._endAngle_ % 2;
- }
- tempStartAngle = categories[i]._endAngle_;
- }
- return categories;
- }
- function getGaugeDataPoints(series, categories, gaugeOption) {
- let process = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 1;
- for (let i = 0; i < series.length; i++) {
- let item = series[i];
- item.data = item.data === null ? 0 : item.data;
- if (gaugeOption.pointer.color == 'auto') {
- for (let i = 0; i < categories.length; i++) {
- if (item.data <= categories[i].value) {
- item.color = categories[i].color;
- break;
- }
- }
- } else {
- item.color = gaugeOption.pointer.color;
- }
- let totalAngle = gaugeOption.startAngle - gaugeOption.endAngle + 1;
- item._endAngle_ = totalAngle * item.data + gaugeOption.startAngle;
- item._oldAngle_ = gaugeOption.oldAngle;
- if (gaugeOption.oldAngle < gaugeOption.endAngle) {
- item._oldAngle_ += 2;
- }
- if (item.data >= gaugeOption.oldData) {
- item._proportion_ = (item._endAngle_ - item._oldAngle_) * process + gaugeOption.oldAngle;
- } else {
- item._proportion_ = item._oldAngle_ - (item._oldAngle_ - item._endAngle_) * process;
- }
- if (item._proportion_ >= 2) {
- item._proportion_ = item._proportion_ % 2;
- }
- }
- return series;
- }
- function getPieTextMaxLength(series) {
- series = getPieDataPoints(series);
- let maxLength = 0;
- for (let i = 0; i < series.length; i++) {
- let item = series[i];
- let text = item.format ? item.format(+item._proportion_.toFixed(2)) : util.toFixed(item._proportion_ * 100) + '%';
- maxLength = Math.max(maxLength, measureText(text));
- }
- return maxLength;
- }
- function fixColumeData(points, eachSpacing, columnLen, index, config, opts) {
- return points.map(function(item) {
- if (item === null) {
- return null;
- }
- item.width = Math.ceil((eachSpacing - 2 * config.columePadding) / columnLen);
- if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) {
- item.width = Math.min(item.width, +opts.extra.column.width);
- }
- if (item.width <= 0) {
- item.width = 1;
- }
- item.x += (index + 0.5 - columnLen / 2) * item.width;
- return item;
- });
- }
- function fixColumeMeterData(points, eachSpacing, columnLen, index, config, opts, border) {
- return points.map(function(item) {
- if (item === null) {
- return null;
- }
- item.width = Math.ceil((eachSpacing - 2 * config.columePadding) / 2);
- if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) {
- item.width = Math.min(item.width, +opts.extra.column.width);
- }
- if (index > 0) {
- item.width -= 2 * border;
- }
- return item;
- });
- }
- function fixColumeStackData(points, eachSpacing, columnLen, index, config, opts, series) {
- return points.map(function(item, indexn) {
- if (item === null) {
- return null;
- }
- item.width = Math.ceil((eachSpacing - 2 * config.columePadding) / 2);
- if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) {
- item.width = Math.min(item.width, +opts.extra.column.width);
- }
- 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') && dataCount>1 && opts.xAxis.boundaryGap=='justify'){
- dataCount -=1;
- }
- var eachSpacing = spacingValid / dataCount;
- var xAxisPoints = [];
- var startX = opts.area[3];
- var endX = opts.width - opts.area[1];
- categories.forEach(function(item, index) {
- xAxisPoints.push(startX + index * eachSpacing);
- });
- if(opts.xAxis.boundaryGap !=='justify'){
- if (opts.enableScroll === true) {
- xAxisPoints.push(startX + categories.length * eachSpacing);
- } else {
- xAxisPoints.push(endX);
- }
- }
- return {
- xAxisPoints: xAxisPoints,
- startX: startX,
- endX: endX,
- eachSpacing: eachSpacing
- };
- }
- function getCandleDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config) {
- var process = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : 1;
- var points = [];
- var validHeight = opts.height - opts.area[0] - opts.area[2];
- data.forEach(function(item, index) {
- if (item === null) {
- points.push(null);
- } else {
- var cPoints = [];
- item.forEach(function(items, indexs) {
- var point = {};
- point.x = xAxisPoints[index] + Math.round(eachSpacing / 2);
- var value = items.value || items;
- var height = validHeight * (value - minRange) / (maxRange - minRange);
- height *= process;
- point.y = opts.height - Math.round(height) - opts.area[2];
- cPoints.push(point);
- });
- points.push(cPoints);
- }
- });
- return points;
- }
- function getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config) {
- var process = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : 1;
- var boundaryGap='center';
- if (opts.type == 'line'||opts.type == 'area'){
- 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 == Array) {
- 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 += Math.round(eachSpacing / 2);
- }
- var height = validHeight * (value - minRange) / (maxRange - minRange);
- height *= process;
- point.y = opts.height - Math.round(height) - opts.area[2];
- points.push(point);
- }
- });
- return points;
- }
- function getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, stackSeries) {
- var process = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : 1;
- var points = [];
- var validHeight = opts.height - opts.area[0] - opts.area[2];
- data.forEach(function(item, index) {
- if (item === null) {
- points.push(null);
- } else {
- var point = {};
- point.color = item.color;
- point.x = xAxisPoints[index] + Math.round(eachSpacing / 2);
- if (seriesIndex > 0) {
- var value = 0;
- for (let i = 0; i <= seriesIndex; i++) {
- value += stackSeries[i].data[index];
- }
- var value0 = value - item;
- var height = validHeight * (value - minRange) / (maxRange - minRange);
- var height0 = validHeight * (value0 - minRange) / (maxRange - minRange);
- } else {
- var value = item;
- var height = validHeight * (value - minRange) / (maxRange - minRange);
- var height0 = 0;
- }
- var heightc = height0;
- height *= process;
- heightc *= process;
- point.y = opts.height - Math.round(height) - opts.area[2];
- point.y0 = opts.height - Math.round(heightc) - opts.area[2];
- points.push(point);
- }
- });
- return points;
- }
- function getYAxisTextList(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 == Array) {
- return item !== null;
- } else {
- return item.value !== null;
- }
- } else {
- return item !== null;
- }
- });
- data.map(function(item) {
- if (typeof item === 'object') {
- if (item.constructor == Array) {
- 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 = 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.yAxis.data[index].min === 'number') {
- minData = Math.min(opts.yAxis.data[index].min, minData);
- }
- if (typeof opts.yAxis.data[index].max === 'number') {
- maxData = Math.max(opts.yAxis.data[index].max, maxData);
- }
- }else{
- if (typeof opts.yAxis.min === 'number') {
- minData = Math.min(opts.yAxis.min, minData);
- }
- if (typeof opts.yAxis.max === 'number') {
- maxData = Math.max(opts.yAxis.max, maxData);
- }
- }
-
- if (minData === maxData) {
- var rangeSpan = maxData || 10;
- maxData += rangeSpan;
- }
- var dataRange = getDataRange(minData, maxData);
- var minRange = dataRange.minRange;
- var maxRange = dataRange.maxRange;
- var range = [];
- var eachRange = (maxRange - minRange) / opts.yAxis.splitNumber;
- for (var i = 0; i <= opts.yAxis.splitNumber; i++) {
- range.push(minRange + eachRange * i);
- }
- return range.reverse();
- }
- function calYAxisData(series, opts, config) {
- //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;
- }
- rangesArr[i]=getYAxisTextList(newSeries[i], opts, config, columnstyle.type,i);
- let yAxisFontSizes = yData.fontSize || config.fontSize;
- yAxisWidthArr[i] = {position:yData.position?yData.position:'left',width:0};
- rangesFormatArr[i]= rangesArr[i].map(function(items) {
- items = util.toFixed(items, 6);
- items = yData.format ? yData.format(Number(items)) : items;
- yAxisWidthArr[i].width = Math.max(yAxisWidthArr[i].width, measureText(items, yAxisFontSizes) + 5);
- return items;
- });
- let calibration= yData.calibration? 4*opts.pixelRatio : 0 ;
- yAxisWidthArr[i].width += calibration +3*opts.pixelRatio;
- if (yData.disabled === true) {
- yAxisWidthArr[i].width=0;
- }
- }
-
- }else{
- var rangesArr =new Array(1);
- var rangesFormatArr = new Array(1);
- var yAxisWidthArr =new Array(1);
- rangesArr[0] = getYAxisTextList(series, opts, config, columnstyle.type);
- yAxisWidthArr[0] = {position:'left',width:0};
- var yAxisFontSize = opts.yAxis.fontSize || config.fontSize;
- rangesFormatArr[0] = rangesArr[0].map(function(item) {
- item = util.toFixed(item, 6);
- item = opts.yAxis.format ? opts.yAxis.format(Number(item)) : item;
- yAxisWidthArr[0].width = Math.max(yAxisWidthArr[0].width, measureText(item, yAxisFontSize) + 5);
- return item;
- });
- yAxisWidthArr[0].width += 3*opts.pixelRatio;
- 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,format:opts.yAxis.format};
- }
-
- }
- return {
- rangesFormat: rangesFormatArr,
- ranges: rangesArr,
- yAxisWidth: yAxisWidthArr
- };
-
- }
- function calTooltipYAxisData(point, series, opts, config, eachSpacing) {
- let ranges = [].concat(opts.chartData.yAxisData.ranges);
- let spacingValid = opts.height - opts.area[0] - opts.area[2];
- let minAxis = opts.area[0];
- let items=[];
- for(let i=0;i<ranges.length;i++){
- let maxVal = ranges[i].shift();
- let minVal = ranges[i].pop();
- let item = maxVal - (maxVal - minVal) * (point - minAxis) / spacingValid;
- item = opts.yAxis.data[i].format ? opts.yAxis.data[i].format(Number(item)) : item.toFixed(0);
- items.push(String(item))
- }
- return items;
- }
- function calMarkLineData(points, opts) {
- let minRange, maxRange;
- let spacingValid = opts.height - opts.area[0] - opts.area[2];
- for (let i = 0; i < points.length; i++) {
- points[i].yAxisIndex = points[i].yAxisIndex ? points[i].yAxisIndex:0;
- let range = [].concat(opts.chartData.yAxisData.ranges[points[i].yAxisIndex]);
- minRange = range.pop();
- maxRange = range.shift();
- let height = spacingValid * (points[i].value - minRange) / (maxRange - minRange);
- points[i].y = opts.height - Math.round(height) - opts.area[2];
- }
- return points;
- }
- function contextRotate(context, opts) {
- if (opts.rotateLock !== true) {
- context.translate(opts.height, 0);
- context.rotate(90 * Math.PI / 180);
- } else if (opts._rotate_ !== true) {
- context.translate(opts.height, 0);
- context.rotate(90 * Math.PI / 180);
- opts._rotate_ = true;
- }
- }
- function drawPointShape(points, color, shape, context, opts) {
- context.beginPath();
- if(opts.dataPointShapeType == 'hollow'){
- context.setStrokeStyle(color);
- context.setFillStyle(opts.background);
- context.setLineWidth(2 * opts.pixelRatio);
- }else{
- context.setStrokeStyle("#ffffff");
- context.setFillStyle(color);
- context.setLineWidth(1 * opts.pixelRatio);
- }
- 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.pixelRatio, item.y);
- context.arc(item.x, item.y, 3 * opts.pixelRatio, 0, 2 * Math.PI, false);
- }
- });
- } else if (shape === 'rect') {
- 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);
- }
- });
- }
- 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 || config.titleColor;
- var subtitleFontColor = opts.subtitle.color || config.subtitleColor;
- var titleHeight = title ? titlefontSize : 0;
- var subtitleHeight = subtitle ? subtitlefontSize : 0;
- var margin = 5;
- if (subtitle) {
- var textWidth = measureText(subtitle, subtitlefontSize);
- var startX = center.x - textWidth / 2 + (opts.subtitle.offsetX || 0);
- var startY = center.y + subtitlefontSize / 2 + (opts.subtitle.offsetY || 0);
- if (title) {
- startY += (titleHeight + margin) / 2;
- }
- context.beginPath();
- context.setFontSize(subtitlefontSize);
- context.setFillStyle(subtitleFontColor);
- context.fillText(subtitle, startX, startY);
- context.closePath();
- context.stroke();
- }
- if (title) {
- var _textWidth = measureText(title, titlefontSize);
- var _startX = center.x - _textWidth / 2 + (opts.title.offsetX || 0);
- var _startY = center.y + titlefontSize / 2 + (opts.title.offsetY || 0);
- if (subtitle) {
- _startY -= (subtitleHeight + margin) / 2;
- }
- context.beginPath();
- context.setFontSize(titlefontSize);
- context.setFillStyle(titleFontColor);
- context.fillText(title, _startX, _startY);
- context.closePath();
- context.stroke();
- }
- }
- function drawPointText(points, series, config, context) {
- // 绘制数据文案
- var data = series.data;
- points.forEach(function(item, index) {
- if (item !== null) {
- //var formatVal = series.format ? series.format(data[index]) : data[index];
- context.beginPath();
- context.setFontSize(series.textSize || config.fontSize);
- context.setFillStyle(series.textColor || '#666666');
- var value = data[index]
- if (typeof data[index] === 'object' && data[index] !== null) {
- if (data[index].constructor == Array) {
- value = data[index][1];
- }else{
- value = data[index].value
- }
- }
- var formatVal = series.format ? series.format(value) : value;
- context.fillText(String(formatVal), item.x - measureText(formatVal, series.textSize || config.fontSize) / 2, item.y -4);
- context.closePath();
- context.stroke();
- }
- });
- }
- function drawGaugeLabel(gaugeOption, radius, centerPosition, opts, config, context) {
- radius -= gaugeOption.width / 2 + config.gaugeLabelTextMargin;
- let totalAngle = gaugeOption.startAngle - gaugeOption.endAngle + 1;
- let splitAngle = totalAngle / gaugeOption.splitLine.splitNumber;
- let totalNumber = gaugeOption.endNumber - gaugeOption.startNumber;
- let splitNumber = totalNumber / gaugeOption.splitLine.splitNumber;
- let nowAngle = gaugeOption.startAngle;
- let nowNumber = gaugeOption.startNumber;
- for (let i = 0; i < gaugeOption.splitLine.splitNumber + 1; i++) {
- var pos = {
- x: radius * Math.cos(nowAngle * Math.PI),
- y: radius * Math.sin(nowAngle * Math.PI)
- };
- var labelText = gaugeOption.labelFormat ? gaugeOption.labelFormat(nowNumber) : nowNumber;
- pos.x += centerPosition.x - measureText(labelText) / 2;
- pos.y += centerPosition.y;
- var startX = pos.x;
- var startY = pos.y;
- context.beginPath();
- context.setFontSize(config.fontSize);
- context.setFillStyle(gaugeOption.labelColor || '#666666');
- context.fillText(labelText, startX, startY + config.fontSize / 2);
- context.closePath();
- context.stroke();
- nowAngle += splitAngle;
- if (nowAngle >= 2) {
- nowAngle = nowAngle % 2;
- }
- nowNumber += splitNumber;
- }
- }
- function drawRadarLabel(angleList, radius, centerPosition, opts, config, context) {
- var radarOption = opts.extra.radar || {};
- radius += config.radarLabelTextMargin;
- angleList.forEach(function(angle, index) {
- var pos = {
- x: radius * Math.cos(angle),
- y: radius * Math.sin(angle)
- };
- var posRelativeCanvas = convertCoordinateOrigin(pos.x, pos.y, centerPosition);
- var startX = posRelativeCanvas.x;
- var startY = posRelativeCanvas.y;
- if (util.approximatelyEqual(pos.x, 0)) {
- startX -= measureText(opts.categories[index] || '') / 2;
- } else if (pos.x < 0) {
- startX -= measureText(opts.categories[index] || '');
- }
- context.beginPath();
- context.setFontSize(config.fontSize);
- context.setFillStyle(radarOption.labelColor || '#666666');
- 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) {
- var text = item.format ? item.format(+item._proportion_.toFixed(2)) : util.toFixed(item._proportion_.toFixed(4) * 100) +'%';
- if(item._rose_proportion_) item._proportion_=item._rose_proportion_;
- var arc = 2 * Math.PI - (item._start_ + 2 * Math.PI * item._proportion_ / 2);
- var color = item.color;
- var radius = item._radius_;
- return {
- arc: arc,
- text: text,
- color: color,
- radius: radius,
- textColor: item.textColor,
- textSize: item.textSize,
- };
- });
- for (let i = 0; i < seriesConvert.length; i++) {
- let item = seriesConvert[i];
- // line end
- let orginX1 = Math.cos(item.arc) * (item.radius + lineRadius);
- let orginY1 = Math.sin(item.arc) * (item.radius + lineRadius);
- // line start
- let orginX2 = Math.cos(item.arc) * item.radius;
- let orginY2 = Math.sin(item.arc) * item.radius;
- // text start
- let orginX3 = orginX1 >= 0 ? orginX1 + config.pieChartTextPadding : orginX1 - config.pieChartTextPadding;
- let orginY3 = orginY1;
- let textWidth = measureText(item.text,item.textSize||config.fontSize);
- let startY = orginY3;
- if (lastTextObject && util.isSameXCoordinateArea(lastTextObject.start, {
- x: orginX3
- })) {
- if (orginX3 > 0) {
- startY = Math.min(orginY3, lastTextObject.start.y);
- } else if (orginX1 < 0) {
- startY = Math.max(orginY3, lastTextObject.start.y);
- } else {
- if (orginY3 > 0) {
- startY = Math.max(orginY3, lastTextObject.start.y);
- } else {
- startY = Math.min(orginY3, lastTextObject.start.y);
- }
- }
- }
- if (orginX3 < 0) {
- orginX3 -= textWidth;
- }
- let textObject = {
- lineStart: {
- x: orginX2,
- y: orginY2
- },
- lineEnd: {
- x: orginX1,
- y: orginY1
- },
- start: {
- x: orginX3,
- y: startY
- },
- width: textWidth,
- height: config.fontSize,
- text: item.text,
- color: item.color,
- textColor: item.textColor,
- textSize: item.textSize
- };
- lastTextObject = avoidCollision(textObject, lastTextObject);
- textObjectCollection.push(lastTextObject);
- }
- for (let i = 0; i < textObjectCollection.length; i++) {
- let item = textObjectCollection[i];
- let lineStartPoistion = convertCoordinateOrigin(item.lineStart.x, item.lineStart.y, center);
- let lineEndPoistion = convertCoordinateOrigin(item.lineEnd.x, item.lineEnd.y, center);
- let textPosition = convertCoordinateOrigin(item.start.x, item.start.y, center);
- context.setLineWidth(1 * opts.pixelRatio);
- context.setFontSize(config.fontSize);
- context.beginPath();
- context.setStrokeStyle(item.color);
- context.setFillStyle(item.color);
- context.moveTo(lineStartPoistion.x, lineStartPoistion.y);
- let curveStartX = item.start.x < 0 ? textPosition.x + item.width : textPosition.x;
- let textStartX = item.start.x < 0 ? textPosition.x - 5 : textPosition.x + 5;
- context.quadraticCurveTo(lineEndPoistion.x, lineEndPoistion.y, curveStartX, textPosition.y);
- context.moveTo(lineStartPoistion.x, lineStartPoistion.y);
- context.stroke();
- context.closePath();
- context.beginPath();
- context.moveTo(textPosition.x + item.width, textPosition.y);
- context.arc(curveStartX, textPosition.y, 2, 0, 2 * Math.PI);
- context.closePath();
- context.fill();
- context.beginPath();
- context.setFontSize(item.textSize || config.fontSize);
- context.setFillStyle(item.textColor || '#666666');
- 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.pixelRatio);
- 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);
- let textX = offsetX - 0.5 * textWidth;
- let textY = endY;
- context.beginPath();
- context.setFillStyle(hexToRgb(toolTipOption.labelBgColor || config.toolTipBackground, toolTipOption.labelBgOpacity || config.toolTipOpacity));
- context.setStrokeStyle(toolTipOption.labelBgColor || config.toolTipBackground);
- context.setLineWidth(1 * opts.pixelRatio);
- context.rect(textX - config.toolTipPadding, textY, textWidth + 2 * config.toolTipPadding, config.fontSize + 2 * config.toolTipPadding);
- context.closePath();
- context.stroke();
- context.fill();
- context.beginPath();
- context.setFontSize(config.fontSize);
- context.setFillStyle(toolTipOption.labelFontColor || config.fontColor);
- context.fillText(String(labelText), textX, textY + config.toolTipPadding + config.fontSize);
- context.closePath();
- context.stroke();
- }
- }
- function drawMarkLine(opts, config, context) {
- let markLineOption = assign({}, {
- type: 'solid',
- dashLength: 4,
- data: []
- }, opts.extra.markLine);
- let startX = opts.area[3];
- let endX = opts.width - opts.area[1];
- let points = calMarkLineData(markLineOption.data, opts);
- for (let i = 0; i < points.length; i++) {
- let item = assign({}, {
- lineColor: '#DE4A42',
- showLabel: false,
- labelFontColor: '#666666',
- labelBgColor: '#DFE8FF',
- labelBgOpacity: 0.8,
- yAxisIndex: 0
- }, points[i]);
- if (markLineOption.type == 'dash') {
- context.setLineDash([markLineOption.dashLength, markLineOption.dashLength]);
- }
- context.setStrokeStyle(item.lineColor);
- context.setLineWidth(1 * opts.pixelRatio);
- context.beginPath();
- context.moveTo(startX, item.y);
- context.lineTo(endX, item.y);
- context.stroke();
- context.setLineDash([]);
- if (item.showLabel) {
- let labelText = opts.yAxis.format ? opts.yAxis.format(Number(item.value)) : item.value;
- context.setFontSize(config.fontSize);
- let textWidth = measureText(labelText, config.fontSize);
- let bgStartX = opts.padding[3] + config.yAxisTitleWidth - config.toolTipPadding;
- let bgEndX = Math.max(opts.area[3], textWidth + config.toolTipPadding * 2);
- let bgWidth = bgEndX - bgStartX;
- let textX = bgStartX + (bgWidth - textWidth) / 2;
- let textY = item.y;
- context.setFillStyle(hexToRgb(item.labelBgColor, item.labelBgOpacity));
- context.setStrokeStyle(item.labelBgColor);
- context.setLineWidth(1 * opts.pixelRatio);
- context.beginPath();
- context.rect(bgStartX, textY - 0.5 * config.fontSize - config.toolTipPadding, bgWidth, config.fontSize + 2 * config.toolTipPadding);
- context.closePath();
- context.stroke();
- context.fill();
- context.beginPath();
- context.setFontSize(config.fontSize);
- context.setFillStyle(item.labelFontColor);
- context.fillText(String(labelText), textX, textY + 0.5 * config.fontSize);
- context.stroke();
- }
- }
- }
- 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.pixelRatio);
- context.beginPath();
- context.moveTo(startX, opts.tooltip.offset.y);
- context.lineTo(endX, opts.tooltip.offset.y);
- context.stroke();
- context.setLineDash([]);
- if (toolTipOption.yAxisLabel) {
- let labelText = calTooltipYAxisData(opts.tooltip.offset.y, opts.series, opts, config, eachSpacing);
- let widthArr = opts.chartData.yAxisData.yAxisWidth;
- let tStartLeft=opts.area[3];
- let tStartRight=opts.width-opts.area[1];
- for(let i=0;i<labelText.length;i++){
- context.setFontSize(config.fontSize);
- let textWidth = measureText(labelText[i], config.fontSize);
- let bgStartX,bgEndX,bgWidth;
- if(widthArr[i].position == 'left'){
- bgStartX = tStartLeft - widthArr[i].width;
- bgEndX = Math.max(bgStartX, bgStartX + textWidth + config.toolTipPadding * 2);
- }else{
- bgStartX = tStartRight;
- bgEndX = Math.max(bgStartX + widthArr[i].width, bgStartX + textWidth + config.toolTipPadding * 2);
- }
- bgWidth = bgEndX - bgStartX;
-
- let textX = bgStartX + (bgWidth - textWidth) / 2;
- let textY = opts.tooltip.offset.y;
- context.beginPath();
- context.setFillStyle(hexToRgb(toolTipOption.labelBgColor || config.toolTipBackground, toolTipOption.labelBgOpacity || config.toolTipOpacity));
- context.setStrokeStyle(toolTipOption.labelBgColor || config.toolTipBackground);
- context.setLineWidth(1 * opts.pixelRatio);
- context.rect(bgStartX, textY - 0.5 * config.fontSize - config.toolTipPadding, bgWidth, config.fontSize + 2 * config.toolTipPadding);
- context.closePath();
- context.stroke();
- context.fill();
-
- context.beginPath();
- context.setFontSize(config.fontSize);
- context.setFillStyle(toolTipOption.labelFontColor || config.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);
- }else{
- tStartRight +=widthArr[i].width+ opts.yAxis.padding;
- }
- }
- }
- }
- function drawToolTipSplitArea(offsetX, opts, config, context, eachSpacing) {
- var toolTipOption = assign({}, {
- activeBgColor: '#000000',
- activeBgOpacity: 0.08
- }, opts.extra.tooltip);
- var startY = opts.area[0];
- var endY = opts.height - opts.area[2];
- context.beginPath();
- context.setFillStyle(hexToRgb(toolTipOption.activeBgColor, toolTipOption.activeBgOpacity));
- context.rect(offsetX - eachSpacing / 2, startY, eachSpacing, endY - startY);
- context.closePath();
- context.fill();
- }
- function drawToolTip(textList, offset, opts, config, context, eachSpacing, xAxisPoints) {
- var toolTipOption = assign({}, {
- showBox:true,
- bgColor: '#000000',
- bgOpacity: 0.7,
- fontColor: '#FFFFFF'
- }, opts.extra.tooltip);
- var legendWidth = 4 * opts.pixelRatio;
- var legendMarginRight = 5 * opts.pixelRatio;
- var arrowWidth = 8 * opts.pixelRatio;
- var isOverRightBorder = false;
- if (opts.type == 'line' || opts.type == 'area' || opts.type == 'candle' || opts.type == 'mix') {
- drawToolTipSplitLine(opts.tooltip.offset.x, opts, config, context);
- }
- offset = assign({
- x: 0,
- y: 0
- }, offset);
- offset.y -= 8 * opts.pixelRatio;
- var textWidth = textList.map(function(item) {
- return measureText(item.text, config.fontSize);
- });
- var toolTipWidth = legendWidth + legendMarginRight + 4 * config.toolTipPadding + Math.max.apply(null, textWidth);
- var toolTipHeight = 2 * config.toolTipPadding + textList.length * config.toolTipLineHeight;
- if(toolTipOption.showBox == false){ return }
- // if beyond the right border
- if (offset.x - Math.abs(opts._scrollDistance_) + arrowWidth + toolTipWidth > opts.width) {
- isOverRightBorder = true;
- }
- if (toolTipHeight + offset.y > opts.height) {
- offset.y = opts.height - toolTipHeight;
- }
- // draw background rect
- context.beginPath();
- context.setFillStyle(hexToRgb(toolTipOption.bgColor || config.toolTipBackground, toolTipOption.bgOpacity || config.toolTipOpacity));
- if (isOverRightBorder) {
- context.moveTo(offset.x, offset.y + 10 * opts.pixelRatio);
- context.lineTo(offset.x - arrowWidth, offset.y + 10 * opts.pixelRatio - 5 * opts.pixelRatio);
- context.lineTo(offset.x - arrowWidth, offset.y);
- context.lineTo(offset.x - arrowWidth - Math.round(toolTipWidth), offset.y);
- context.lineTo(offset.x - arrowWidth - Math.round(toolTipWidth), offset.y + toolTipHeight);
- context.lineTo(offset.x - arrowWidth, offset.y + toolTipHeight);
- context.lineTo(offset.x - arrowWidth, offset.y + 10 * opts.pixelRatio + 5 * opts.pixelRatio);
- context.lineTo(offset.x, offset.y + 10 * opts.pixelRatio);
- } else {
- context.moveTo(offset.x, offset.y + 10 * opts.pixelRatio);
- context.lineTo(offset.x + arrowWidth, offset.y + 10 * opts.pixelRatio - 5 * opts.pixelRatio);
- context.lineTo(offset.x + arrowWidth, offset.y);
- context.lineTo(offset.x + arrowWidth + Math.round(toolTipWidth), offset.y);
- context.lineTo(offset.x + arrowWidth + Math.round(toolTipWidth), offset.y + toolTipHeight);
- context.lineTo(offset.x + arrowWidth, offset.y + toolTipHeight);
- context.lineTo(offset.x + arrowWidth, offset.y + 10 * opts.pixelRatio + 5 * opts.pixelRatio);
- context.lineTo(offset.x, offset.y + 10 * opts.pixelRatio);
- }
- context.closePath();
- context.fill();
- // draw legend
- textList.forEach(function(item, index) {
- if (item.color !== null) {
- context.beginPath();
- context.setFillStyle(item.color);
- var startX = offset.x + arrowWidth + 2 * config.toolTipPadding;
- var startY = offset.y + (config.toolTipLineHeight - config.fontSize) / 2 + config.toolTipLineHeight * index +
- config.toolTipPadding + 1;
- if (isOverRightBorder) {
- startX = offset.x - toolTipWidth - arrowWidth + 2 * config.toolTipPadding;
- }
- context.fillRect(startX, startY, legendWidth, config.fontSize);
- context.closePath();
- }
- });
- // draw text list
- textList.forEach(function(item, index) {
- var startX = offset.x + arrowWidth + 2 * config.toolTipPadding + legendWidth + legendMarginRight;
- if (isOverRightBorder) {
- startX = offset.x - toolTipWidth - arrowWidth + 2 * config.toolTipPadding + +legendWidth + legendMarginRight;
- }
- var startY = offset.y + (config.toolTipLineHeight - config.fontSize) / 2 + config.toolTipLineHeight * index +
- config.toolTipPadding;
- context.beginPath();
- context.setFontSize(config.fontSize);
- context.setFillStyle(toolTipOption.fontColor);
- context.fillText(item.text, startX, startY + config.fontSize);
- context.closePath();
- context.stroke();
- });
- }
- function drawYAxisTitle(title, opts, config, context) {
- var startX = config.xAxisHeight + (opts.height - config.xAxisHeight - measureText(title)) / 2;
- context.save();
- context.beginPath();
- context.setFontSize(config.fontSize);
- context.setFillStyle(opts.yAxis.titleFontColor || '#333333');
- context.translate(0, opts.height);
- context.rotate(-90 * Math.PI / 180);
- context.fillText(title, startX, opts.padding[3] + 0.5 * config.fontSize);
- context.closePath();
- context.stroke();
- context.restore();
- }
- 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,
- meter: {
- border: 4,
- fillColor: '#FFFFFF'
- }
- }, 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);
- }
-
- series.forEach(function(eachSeries, seriesIndex) {
- let ranges,minRange,maxRange;
- ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
- minRange = ranges.pop();
- maxRange = ranges.shift();
-
- var data = eachSeries.data;
- switch (columnOption.type) {
- case 'group':
- var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
- var tooltipPoints = getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, series, process);
- calPoints.push(tooltipPoints);
- points = fixColumeData(points, eachSpacing, series.length, seriesIndex, config, opts);
- for(let i=0;i<points.length;i++){
- let item=points[i];
- if (item !== null && i>leftNum && i<rightNum) {
- context.beginPath();
- context.setStrokeStyle(item.color || eachSeries.color);
- context.setLineWidth(1)
- context.setFillStyle(item.color || eachSeries.color);
- var startX = item.x - item.width / 2;
- var height = opts.height - item.y - opts.area[2];
- context.moveTo(startX-1, item.y);
- context.lineTo(startX+item.width-2,item.y);
- context.lineTo(startX+item.width-2,opts.height - opts.area[2]);
- context.lineTo(startX,opts.height - opts.area[2]);
- context.lineTo(startX,item.y);
- context.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();
- context.setFillStyle(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.moveTo(startX, item.y);
- context.fillRect(startX, item.y, item.width - 2, height);
- context.closePath();
- context.fill();
- }
- };
- break;
- case 'meter':
- // 绘制温度计数据图
- var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
- calPoints.push(points);
- points = fixColumeMeterData(points, eachSpacing, series.length, seriesIndex, config, opts, columnOption.meter.border);
- if (seriesIndex == 0) {
- for(let i=0;i<points.length;i++){
- let item=points[i];
- if (item !== null && i>leftNum && i<rightNum) {
- //画背景颜色
- context.beginPath();
- context.setFillStyle(columnOption.meter.fillColor);
- var startX = item.x - item.width / 2;
- var height = opts.height - item.y - opts.area[2];
- context.moveTo(startX, item.y);
- context.fillRect(startX, item.y, item.width, height);
- context.closePath();
- context.fill();
- //画边框线
- if (columnOption.meter.border > 0) {
- context.beginPath();
- context.setStrokeStyle(eachSeries.color);
- context.setLineWidth(columnOption.meter.border * opts.pixelRatio);
- context.moveTo(startX + columnOption.meter.border * 0.5, item.y + height);
- context.lineTo(startX + columnOption.meter.border * 0.5, item.y + columnOption.meter.border * 0.5);
- context.lineTo(startX + item.width - columnOption.meter.border * 0.5, item.y + columnOption.meter.border * 0.5);
- context.lineTo(startX + item.width - columnOption.meter.border * 0.5, item.y + height);
- context.stroke();
- }
- }
- };
- } else {
- for(let i=0;i<points.length;i++){
- let item=points[i];
- if (item !== null && i>leftNum && i<rightNum) {
- context.beginPath();
- context.setFillStyle(item.color || eachSeries.color);
- var startX = item.x - item.width / 2;
- var height = opts.height - item.y - opts.area[2];
- context.moveTo(startX, item.y);
- context.fillRect(startX, item.y, item.width, height);
- context.closePath();
- context.fill();
- }
- };
- }
- break;
- }
- });
- if (opts.dataLabel !== false && process === 1) {
- series.forEach(function(eachSeries, seriesIndex) {
- let ranges,minRange,maxRange;
- ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
- minRange = ranges.pop();
- maxRange = ranges.shift();
- var data = eachSeries.data;
- switch (columnOption.type) {
- case 'group':
- var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
- points = fixColumeData(points, eachSpacing, series.length, seriesIndex, config, opts);
- drawPointText(points, eachSeries, config, context);
- break;
- case 'stack':
- var points = getStackDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, seriesIndex, series, process);
- drawPointText(points, eachSeries, config, context);
- break;
- case 'meter':
- var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
- drawPointText(points, eachSeries, config, context);
- break;
- }
- });
- }
- context.restore();
- return {
- xAxisPoints: xAxisPoints,
- 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.colors
- }, 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+opts.area[3];
- rightSpace=leftSpace+(opts.xAxis.itemCount+4)*eachSpacing;
- }
- //画均线
- if (candleOption.average.show) {
- 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);
-
- 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);
- 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.pixelRatio);
- 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.pixelRatio);
- context.moveTo(item[3].x, item[3].y); //顶点
- context.lineTo(item[0].x, item[0].y); //开盘中间点
- context.lineTo(item[0].x - eachSpacing / 4, item[0].y); //开盘左侧点
- context.lineTo(item[1].x - eachSpacing / 4, item[1].y); //收盘左侧点
- context.lineTo(item[1].x, item[1].y); //收盘中间点
- context.lineTo(item[2].x, item[2].y); //底点
- context.lineTo(item[1].x, item[1].y); //收盘中间点
- context.lineTo(item[1].x + eachSpacing / 4, item[1].y); //收盘右侧点
- context.lineTo(item[0].x + eachSpacing / 4, item[0].y); //开盘右侧点
- context.lineTo(item[0].x, item[0].y); //开盘中间点
- context.moveTo(item[3].x, item[3].y); //顶点
- }
- context.closePath();
- context.fill();
- context.stroke();
- }
- }
- });
- context.restore();
- return {
- xAxisPoints: xAxisPoints,
- calPoints: calPoints,
- eachSpacing: eachSpacing
- };
- }
- function drawAreaDataPoints(series, opts, config, context) {
- var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
- var areaOption = assign({},{
- type: 'straight',
- opacity: 0.2,
- addLine: false,
- width: 2,
- gradient:false
- },opts.extra.area);
- let xAxisData = opts.chartData.xAxisData,
- xAxisPoints = xAxisData.xAxisPoints,
- eachSpacing = xAxisData.eachSpacing;
- let endY = opts.height - opts.area[2];
- let calPoints = [];
- context.save();
- let leftSpace=0;
- let rightSpace=opts.width+eachSpacing;
- if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
- context.translate(opts._scrollDistance_, 0);
- leftSpace=-opts._scrollDistance_-eachSpacing+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);
- 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.pixelRatio);
- 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);
- }
- };
- } 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();
- //画连线
- if (areaOption.addLine) {
- if (eachSeries.lineType == 'dash') {
- let dashLength = eachSeries.dashLength?eachSeries.dashLength:8;
- dashLength *= opts.pixelRatio;
- context.setLineDash([dashLength, dashLength]);
- }
- context.beginPath();
- context.setStrokeStyle(eachSeries.color);
- context.setLineWidth(areaOption.width * opts.pixelRatio);
- 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);
- }
- };
- } 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([]);
- }
- }
- //画点
- if (opts.dataPointShape !== false) {
- drawPointShape(points, eachSeries.color, eachSeries.pointShape, context, opts);
- }
- });
- if (opts.dataLabel !== false && process === 1) {
- series.forEach(function(eachSeries, seriesIndex) {
- let ranges,minRange,maxRange;
- ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
- minRange = ranges.pop();
- maxRange = ranges.shift();
- var data = eachSeries.data;
- var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
- drawPointText(points, eachSeries, config, context);
- });
- }
- context.restore();
- return {
- xAxisPoints: xAxisPoints,
- calPoints: calPoints,
- eachSpacing: eachSpacing
- };
- }
- function drawLineDataPoints(series, opts, config, context) {
- var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
- var lineOption = assign({},{
- type: 'straight',
- width: 2
- },opts.extra.line);
- lineOption.width *=opts.pixelRatio;
-
- 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+opts.area[3];
- rightSpace=leftSpace+(opts.xAxis.itemCount+4)*eachSpacing;
- }
- series.forEach(function(eachSeries, seriesIndex) {
- let ranges,minRange,maxRange;
- ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
- minRange = ranges.pop();
- maxRange = ranges.shift();
- var data = eachSeries.data;
- var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
- calPoints.push(points);
- var splitPointList = splitPoints(points);
-
- if (eachSeries.lineType == 'dash') {
- let dashLength = eachSeries.dashLength?eachSeries.dashLength:8;
- dashLength *= opts.pixelRatio;
- context.setLineDash([dashLength, dashLength]);
- }
- context.beginPath();
- context.setStrokeStyle(eachSeries.color);
- context.setLineWidth(lineOption.width);
-
- splitPointList.forEach(function(points, index) {
-
- if (points.length === 1) {
- context.moveTo(points[0].x, points[0].y);
- context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI);
- } else {
- context.moveTo(points[0].x, points[0].y);
- let startPoint=0;
- if (lineOption.type === 'curve') {
- for(let j=0;j<points.length;j++){
- let item=points[j];
- if(startPoint==0 && item.x > leftSpace){
- context.moveTo(item.x, item.y);
- startPoint=1;
- }
- if (j > 0 && item.x > leftSpace && item.x < rightSpace) {
- var ctrlPoint = createCurveControlPoints(points, j - 1);
- context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y,item.x, item.y);
- }
- };
- } 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([]);
-
- if (opts.dataPointShape !== false) {
- drawPointShape(points, eachSeries.color, eachSeries.pointShape, context, opts);
- }
- });
- if (opts.dataLabel !== false && process === 1) {
- series.forEach(function(eachSeries, seriesIndex) {
- let ranges,minRange,maxRange;
- ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
- minRange = ranges.pop();
- maxRange = ranges.shift();
- var data = eachSeries.data;
- var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
- drawPointText(points, eachSeries, config, context);
- });
- }
- 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 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+opts.area[3];
- rightSpace=leftSpace+(opts.xAxis.itemCount+4)*eachSpacing;
- }
- series.forEach(function(eachSeries, seriesIndex) {
- let ranges,minRange,maxRange;
-
- ranges = [].concat(opts.chartData.yAxisData.ranges[eachSeries.index]);
- minRange = ranges.pop();
- maxRange = ranges.shift();
- var data = eachSeries.data;
- var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process);
- calPoints.push(points);
- // 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) {
- context.beginPath();
- context.setStrokeStyle(item.color || eachSeries.color);
- context.setLineWidth(1)
- context.setFillStyle(item.color || eachSeries.color);
- var startX = item.x - item.width / 2;
- var height = opts.height - item.y - opts.area[2];
- context.moveTo(startX, item.y);
- context.moveTo(startX-1, item.y);
- context.lineTo(startX+item.width-2,item.y);
- context.lineTo(startX+item.width-2,opts.height - opts.area[2]);
- context.lineTo(startX,opts.height - opts.area[2]);
- context.lineTo(startX,item.y);
- context.closePath();
- context.stroke();
- context.fill();
- context.closePath();
- context.fill();
- }
- }
- columnIndex += 1;
- }
- //绘制区域图数据
- if (eachSeries.type == 'area') {
- let splitPointList = splitPoints(points);
- for (let i = 0; i < splitPointList.length; i++) {
- let points = splitPointList[i];
- // 绘制区域数据
- context.beginPath();
- context.setStrokeStyle(eachSeries.color);
- context.setFillStyle(hexToRgb(eachSeries.color, 0.2));
- context.setLineWidth(2 * opts.pixelRatio);
- 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);
- splitPointList.forEach(function(points, index) {
- if (eachSeries.lineType == 'dash') {
- let dashLength = eachSeries.dashLength?eachSeries.dashLength:8;
- dashLength *= opts.pixelRatio;
- context.setLineDash([dashLength, dashLength]);
- }
- context.beginPath();
- context.setStrokeStyle(eachSeries.color);
- context.setLineWidth(2 * opts.pixelRatio);
- 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);
- } else {
- points = fixColumeData(points, eachSpacing, columnLength, columnIndex, config, opts);
- drawPointText(points, eachSeries, config, context);
- columnIndex += 1;
- }
- });
- }
- context.restore();
- return {
- xAxisPoints: xAxisPoints,
- calPoints: calPoints,
- eachSpacing: eachSpacing,
- }
- }
- function drawToolTipBridge(opts, config, context, process, eachSpacing, xAxisPoints) {
- var toolTipOption = opts.extra.tooltip || {};
- if (toolTipOption.horizentalLine && opts.tooltip && process === 1 && (opts.type == 'line' || opts.type == 'area' || opts.type == 'column' || opts.type == 'candle' || opts.type == 'mix')) {
- drawToolTipHorizentalLine(opts, config, context, eachSpacing, xAxisPoints)
- }
- context.save();
- if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) {
- context.translate(opts._scrollDistance_, 0);
- }
- if (opts.tooltip && opts.tooltip.textList && opts.tooltip.textList.length && process === 1) {
- drawToolTip(opts.tooltip.textList, opts.tooltip.offset, opts, config, context, eachSpacing, xAxisPoints);
- }
- context.restore();
- }
- function drawXAxis(categories, opts, config, context) {
- let xAxisData = opts.chartData.xAxisData,
- xAxisPoints = xAxisData.xAxisPoints,
- startX = xAxisData.startX,
- endX = xAxisData.endX,
- eachSpacing = xAxisData.eachSpacing;
- var boundaryGap='center';
- if (opts.type == 'line'||opts.type == 'area'){
- boundaryGap=opts.xAxis.boundaryGap;
- }
- var startY = opts.height - opts.area[2];
- var endY = opts.area[0];
- //绘制滚动条
- if (opts.enableScroll && opts.xAxis.scrollShow) {
- var scrollY = opts.height - opts.area[2] + config.xAxisHeight;
- var scrollScreenWidth = endX - startX;
- var scrollTotalWidth = eachSpacing * (xAxisPoints.length - 1);
- var scrollWidth = scrollScreenWidth * scrollScreenWidth / scrollTotalWidth;
- var scrollLeft = 0;
- if (opts._scrollDistance_) {
- scrollLeft = -opts._scrollDistance_ * (scrollScreenWidth) / scrollTotalWidth;
- }
- context.beginPath();
- context.setLineCap('round');
- context.setLineWidth(6 * opts.pixelRatio);
- 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.pixelRatio);
- 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.pixelRatio);
- xAxisPoints.forEach(function(item, index) {
- if (index > 0) {
- context.beginPath();
- context.moveTo(item - eachSpacing / 2, startY);
- context.lineTo(item - eachSpacing / 2, startY + 3 * opts.pixelRatio);
- 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.pixelRatio);
- if (opts.xAxis.gridType == 'dash') {
- context.setLineDash([opts.xAxis.dashLength, opts.xAxis.dashLength]);
- }
- 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 || config.fontSize;
- if (config._xAxisTextAngle_ === 0) {
- newCategories.forEach(function(item, index) {
- var offset = - measureText(String(item), xAxisFontSize) / 2;
- if(boundaryGap == 'center'){
- offset+=eachSpacing / 2;
- }
- var scrollHeight=0;
- if(opts.xAxis.scrollShow){
- scrollHeight=6*opts.pixelRatio;
- }
- context.beginPath();
- context.setFontSize(xAxisFontSize);
- context.setFillStyle(opts.xAxis.fontColor || '#666666');
- context.fillText(String(item), xAxisPoints[index] + offset, startY + xAxisFontSize + (config.xAxisHeight - scrollHeight - xAxisFontSize) / 2);
- context.closePath();
- context.stroke();
- });
- } else {
- newCategories.forEach(function(item, index) {
- context.save();
- context.beginPath();
- context.setFontSize(xAxisFontSize);
- context.setFillStyle(opts.xAxis.fontColor || '#666666');
- var textWidth = measureText(String(item),xAxisFontSize);
- var offset = - textWidth;
- if(boundaryGap == 'center'){
- offset+=eachSpacing / 2;
- }
- var _calRotateTranslate = calRotateTranslate(xAxisPoints[index] + eachSpacing / 2, startY + xAxisFontSize / 2 + 5, opts.height),
- transX = _calRotateTranslate.transX,
- transY = _calRotateTranslate.transY;
- context.rotate(-1 * config._xAxisTextAngle_);
- context.translate(transX, transY);
- context.fillText(String(item), xAxisPoints[index] + offset, startY + xAxisFontSize + 5);
- context.closePath();
- context.stroke();
- context.restore();
- });
- }
- }
- context.restore();
-
- //绘制X轴轴线
- if(opts.xAxis.axisLine){
- context.beginPath();
- context.setStrokeStyle(opts.xAxis.axisLineColor);
- context.setLineWidth(1 * opts.pixelRatio);
- context.moveTo(startX,opts.height-opts.area[2]);
- context.lineTo(endX,opts.height-opts.area[2]);
- context.stroke();
- }
- }
- function drawYAxisGrid(categories, opts, config, context) {
- if (opts.yAxis.disableGrid === true) {
- return;
- }
- let spacingValid = opts.height - opts.area[0] - opts.area[2];
- let eachSpacing = spacingValid / opts.yAxis.splitNumber;
- let startX = opts.area[3];
- let xAxisPoints = opts.chartData.xAxisData.xAxisPoints,
- xAxiseachSpacing = opts.chartData.xAxisData.eachSpacing;
- let TotalWidth = xAxiseachSpacing * (xAxisPoints.length - 1);
- let endX = startX + TotalWidth;
- let points = [];
- for (let i = 0; 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.yAxis.dashLength]);
- }
- context.setStrokeStyle(opts.yAxis.gridColor);
- context.setLineWidth(1 * opts.pixelRatio);
- points.forEach(function(item, index) {
- context.beginPath();
- context.moveTo(startX, item);
- context.lineTo(endX, item);
- context.stroke();
- });
- context.setLineDash([]);
- context.restore();
- }
- function drawYAxis(series, opts, config, context) {
- if (opts.yAxis.disabled === true) {
- return;
- }
- var spacingValid = opts.height - opts.area[0] - opts.area[2];
- var eachSpacing = spacingValid / opts.yAxis.splitNumber;
- var startX = opts.area[3];
- var endX = opts.width - opts.area[1];
- var endY = opts.height - opts.area[2];
- var fillEndY = endY + config.xAxisHeight;
- if (opts.xAxis.scrollShow) {
- fillEndY -= 3 * opts.pixelRatio;
- }
- if (opts.xAxis.rotateLabel){
- fillEndY = opts.height - opts.area[2]+3;
- }
- // set YAxis background
- context.beginPath();
- context.setFillStyle(opts.background || '#ffffff');
- if (opts._scrollDistance_ < 0) {
- context.fillRect(0, 0, startX, fillEndY);
- }
- if(opts.enableScroll == true){
- context.fillRect(endX, 0, opts.width, fillEndY);
- }
- context.closePath();
- context.stroke();
- var points = [];
- for (let i = 0; i <= opts.yAxis.splitNumber; i++) {
- points.push(opts.area[0] + eachSpacing * i);
- }
- let tStartLeft=opts.area[3];
- let tStartRight=opts.width-opts.area[1];
- for (let i = 0; i < opts.yAxis.data.length; i++) {
- let yData = opts.yAxis.data[i];
- if(yData.disabled !== true){
- let rangesFormat = opts.chartData.yAxisData.rangesFormat[i];
- let yAxisFontSize = yData.fontSize || config.fontSize;
- let yAxisWidth = opts.chartData.yAxisData.yAxisWidth[i];
- //画Y轴刻度及文案
- rangesFormat.forEach(function(item, index) {
- var pos = points[index] ? points[index] : endY;
- context.beginPath();
- context.setFontSize(yAxisFontSize);
- context.setLineWidth(1*opts.pixelRatio);
- context.setStrokeStyle(yData.axisLineColor||'#cccccc');
- context.setFillStyle(yData.fontColor|| '#666666');
- if(yAxisWidth.position=='left'){
- context.fillText(String(item), tStartLeft - yAxisWidth.width , pos + yAxisFontSize / 2);
- //画刻度线
- if(yData.calibration==true){
- context.moveTo(tStartLeft,pos);
- context.lineTo(tStartLeft - 3*opts.pixelRatio,pos);
- }
- }else{
- context.fillText(String(item), tStartRight + 4*opts.pixelRatio, pos + yAxisFontSize / 2);
- //画刻度线
- if(yData.calibration==true){
- context.moveTo(tStartRight,pos);
- context.lineTo(tStartRight + 3*opts.pixelRatio,pos);
- }
- }
- context.closePath();
- context.stroke();
- });
- //画Y轴轴线
- if (yData.axisLine!==false) {
- context.beginPath();
- context.setStrokeStyle(yData.axisLineColor||'#cccccc');
- context.setLineWidth(1 * opts.pixelRatio);
- if(yAxisWidth.position=='left'){
- context.moveTo(tStartLeft,opts.height-opts.area[2]);
- context.lineTo(tStartLeft,opts.area[0]);
- }else{
- context.moveTo(tStartRight,opts.height-opts.area[2]);
- context.lineTo(tStartRight,opts.area[0]);
- }
- context.stroke();
- }
-
- //画Y轴标题
- if (opts.yAxis.showTitle) {
-
- let titleFontSize = yData.titleFontSize || config.fontSize;
- let title = yData.title;
- context.beginPath();
- context.setFontSize(titleFontSize);
- context.setFillStyle(yData.titleFontColor || '#666666');
- if(yAxisWidth.position=='left'){
- context.fillText(title, tStartLeft - measureText(title,titleFontSize)/2, opts.area[0]-10*opts.pixelRatio);
- }else{
- context.fillText(title,tStartRight - measureText(title,titleFontSize)/2, opts.area[0]-10*opts.pixelRatio);
- }
- context.closePath();
- context.stroke();
- }
- if(yAxisWidth.position=='left'){
- tStartLeft -=(yAxisWidth.width + opts.yAxis.padding);
- }else{
- tStartRight +=yAxisWidth.width+ opts.yAxis.padding;
- }
- }
- }
- }
- 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;
- let fontSize = opts.legend.fontSize;
- let shapeWidth = 15 * opts.pixelRatio;
- let shapeRight = 5 * opts.pixelRatio;
- let itemGap = opts.legend.itemGap;
- let lineHeight = Math.max(opts.legend.lineHeight * opts.pixelRatio, fontSize);
- //画背景及边框
- context.beginPath();
- context.setLineWidth(opts.legend.borderWidth);
- 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') {
- 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.pixelRatio);
- 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.pixelRatio);
- context.fillRect(startX, startY + 0.5 * lineHeight - 2 * opts.pixelRatio, 15 * opts.pixelRatio, 4 * opts.pixelRatio);
- break;
- case 'triangle':
- context.moveTo(startX + 7.5 * opts.pixelRatio, startY + 0.5 * lineHeight - 5 * opts.pixelRatio);
- context.lineTo(startX + 2.5 * opts.pixelRatio, startY + 0.5 * lineHeight + 5 * opts.pixelRatio);
- context.lineTo(startX + 12.5 * opts.pixelRatio, startY + 0.5 * lineHeight + 5 * opts.pixelRatio);
- context.lineTo(startX + 7.5 * opts.pixelRatio, startY + 0.5 * lineHeight - 5 * opts.pixelRatio);
- break;
- case 'diamond':
- context.moveTo(startX + 7.5 * opts.pixelRatio, startY + 0.5 * lineHeight - 5 * opts.pixelRatio);
- context.lineTo(startX + 2.5 * opts.pixelRatio, startY + 0.5 * lineHeight);
- context.lineTo(startX + 7.5 * opts.pixelRatio, startY + 0.5 * lineHeight + 5 * opts.pixelRatio);
- context.lineTo(startX + 12.5 * opts.pixelRatio, startY + 0.5 * lineHeight);
- context.lineTo(startX + 7.5 * opts.pixelRatio, startY + 0.5 * lineHeight - 5 * opts.pixelRatio);
- break;
- case 'circle':
- context.moveTo(startX + 7.5 * opts.pixelRatio, startY + 0.5 * lineHeight);
- context.arc(startX + 7.5 * opts.pixelRatio, startY + 0.5 * lineHeight, 5 * opts.pixelRatio, 0, 2 * Math.PI);
- break;
- case 'rect':
- context.moveTo(startX, startY + 0.5 * lineHeight - 5 * opts.pixelRatio);
- context.fillRect(startX, startY + 0.5 * lineHeight - 5 * opts.pixelRatio, 15 * opts.pixelRatio, 10 * opts.pixelRatio);
- break;
- default:
- context.moveTo(startX, startY + 0.5 * lineHeight - 5 * opts.pixelRatio);
- context.fillRect(startX, startY + 0.5 * lineHeight - 5 * opts.pixelRatio, 15 * opts.pixelRatio, 10 * opts.pixelRatio);
- }
- context.closePath();
- context.fill();
- context.stroke();
- startX += shapeWidth + shapeRight;
- let fontTrans = 0.5 * lineHeight + 0.5 * fontSize - 2;
- context.beginPath();
- context.setFontSize(fontSize);
- context.setFillStyle(item.show ? opts.legend.fontColor : opts.legend.hiddenColor);
- context.fillText(item.name, startX, startY + fontTrans);
- context.closePath();
- context.stroke();
- if (opts.legend.position == 'top' || opts.legend.position == 'bottom') {
- startX += measureText(item.name, fontSize) + itemGap;
- item.area[2] = startX;
- } else {
- item.area[2] = startX + measureText(item.name, fontSize) + 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 * opts.pixelRatio,
- offsetAngle: 0,
- labelWidth: 15 * opts.pixelRatio,
- ringWidth: 0,
- border:false,
- borderWidth:2,
- borderColor:'#FFFFFF'
- }, opts.extra.pie);
- 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;
- }
- 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);
- series = getPieDataPoints(series, radius, process);
- var activeRadius = pieOption.activeRadius;
- 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, opts.extra.pie.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.pixelRatio);
- context.lineJoin = "round";
- context.setStrokeStyle(pieOption.borderColor);
- context.setFillStyle(eachSeries.color);
- 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 opts.extra.pie.ringWidth === 'number' && opts.extra.pie.ringWidth > 0) {
- innerPieWidth = Math.max(0, radius - opts.extra.pie.ringWidth);
- }
- context.beginPath();
- context.setFillStyle(opts.background || '#ffffff');
- context.moveTo(centerPosition.x, centerPosition.y);
- context.arc(centerPosition.x, centerPosition.y, innerPieWidth, 0, 2 * Math.PI);
- context.closePath();
- context.fill();
- }
- if (opts.dataLabel !== false && process === 1) {
- var valid = false;
- for (var i = 0, len = series.length; i < len; i++) {
- if (series[i].data > 0) {
- valid = true;
- break;
- }
- }
- if (valid) {
- drawPieText(series, opts, config, context, radius, centerPosition);
- }
- }
- if (process === 1 && opts.type === 'ring') {
- drawRingTitle(opts, config, context, centerPosition);
- }
- return {
- center: centerPosition,
- radius: radius,
- series: series
- };
- }
- function drawRoseDataPoints(series, opts, config, context) {
- var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
- var roseOption = assign({}, {
- type: 'area',
- activeOpacity: 0.5,
- activeRadius: 10 * opts.pixelRatio,
- offsetAngle: 0,
- labelWidth: 15 * opts.pixelRatio,
- border:false,
- borderWidth:2,
- borderColor:'#FFFFFF'
- }, opts.extra.rose);
- if (config.pieChartLinePadding == 0) {
- config.pieChartLinePadding = roseOption.activeRadius;
- }
- var centerPosition = {
- x: opts.area[3] + (opts.width - opts.area[1] - opts.area[3]) / 2,
- y: opts.area[0] + (opts.height - opts.area[0] - opts.area[2]) / 2
- };
- var radius = Math.min((opts.width - opts.area[1] - opts.area[3]) / 2 - config.pieChartLinePadding - config.pieChartTextPadding - config._pieTextMaxLength_, (opts.height - opts.area[0] - opts.area[2]) / 2 - config.pieChartLinePadding - config.pieChartTextPadding);
- var minRadius = roseOption.minRadius || radius * 0.5;
- series = getRoseDataPoints(series, roseOption.type, minRadius, radius, process);
- var activeRadius = roseOption.activeRadius;
- 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.pixelRatio);
- context.lineJoin = "round";
- context.setStrokeStyle(roseOption.borderColor);
- context.setFillStyle(eachSeries.color);
- context.moveTo(centerPosition.x, centerPosition.y);
- context.arc(centerPosition.x, centerPosition.y, eachSeries._radius_, eachSeries._start_, eachSeries._start_ + 2 *
- eachSeries._rose_proportion_ * Math.PI);
- context.closePath();
- context.fill();
- if (roseOption.border == true) {
- context.stroke();
- }
- });
- if (opts.dataLabel !== false && process === 1) {
- var valid = false;
- for (var i = 0, len = series.length; i < len; i++) {
- if (series[i].data > 0) {
- valid = true;
- break;
- }
- }
- if (valid) {
- drawPieText(series, opts, config, context, radius, centerPosition);
- }
- }
- return {
- center: centerPosition,
- radius: radius,
- series: series
- };
- }
- function drawArcbarDataPoints(series, opts, config, context) {
- var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1;
- var arcbarOption = assign({}, {
- startAngle: 0.75,
- endAngle: 0.25,
- type: 'default',
- width: 12 * opts.pixelRatio,
- gap:2 * opts.pixelRatio
- }, opts.extra.arcbar);
- series = getArcbarDataPoints(series, arcbarOption, process);
-
- var centerPosition;
- if(arcbarOption.center){
- centerPosition=arcbarOption.center;
- }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.pixelRatio;
- radius -= arcbarOption.width / 2;
- }
-
- for (let i = 0; i < series.length; i++) {
- let eachSeries = series[i];
- //背景颜色
- context.setLineWidth(arcbarOption.width);
- context.setStrokeStyle(arcbarOption.backgroundColor || '#E9E9E9');
- context.setLineCap('round');
- context.beginPath();
- if (arcbarOption.type == 'default') {
- context.arc(centerPosition.x, centerPosition.y, radius-(arcbarOption.width+arcbarOption.gap)*i, arcbarOption.startAngle * Math.PI, arcbarOption.endAngle * Math.PI, false);
- } else {
- context.arc(centerPosition.x, centerPosition.y, radius-(arcbarOption.width+arcbarOption.gap)*i, 0, 2 * Math.PI, false);
- }
- context.stroke();
- //进度条
- context.setLineWidth(arcbarOption.width);
- context.setStrokeStyle(eachSeries.color);
- context.setLineCap('round');
- context.beginPath();
- context.arc(centerPosition.x, centerPosition.y, radius-(arcbarOption.width+arcbarOption.gap)*i, arcbarOption.startAngle * Math.PI, eachSeries._proportion_ * Math.PI, false);
- context.stroke();
- }
- drawRingTitle(opts, config, context, centerPosition);
- return {
- center: centerPosition,
- radius: radius,
- series: series
- };
- }
- function drawGaugeDataPoints(categories, series, opts, config, context) {
- var process = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 1;
- var gaugeOption = assign({}, {
- type:'default',
- startAngle: 0.75,
- endAngle: 0.25,
- width: 15,
- 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.pixelRatio;
- radius -= gaugeOption.width / 2;
- var innerRadius = radius - gaugeOption.width;
- var totalAngle=0;
-
- //判断仪表盘的样式:default百度样式,progress新样式
- if(gaugeOption.type == 'progress'){
-
- //## 第一步画中心圆形背景和进度条背景
- //中心圆形背景
- var pieRadius = radius - gaugeOption.width*3;
- context.beginPath();
- let gradient = context.createLinearGradient(centerPosition.x, centerPosition.y-pieRadius, centerPosition.x , centerPosition.y+pieRadius);
- //配置渐变填充(起点:中心点向上减半径;结束点中心点向下加半径)
- gradient.addColorStop('0', hexToRgb(series[0].color, 0.3));
- gradient.addColorStop('1.0',hexToRgb("#FFFFFF", 0.1));
- context.setFillStyle(gradient);
- context.arc(centerPosition.x, centerPosition.y, pieRadius, 0, 2*Math.PI, false);
- context.fill();
- //画进度条背景
- context.setLineWidth(gaugeOption.width);
- context.setStrokeStyle(hexToRgb(series[0].color, 0.3));
- context.setLineCap('round');
- context.beginPath();
- context.arc(centerPosition.x, centerPosition.y, innerRadius , gaugeOption.startAngle * Math.PI, gaugeOption.endAngle *Math.PI, false);
- context.stroke();
-
- //## 第二步画刻度线
- totalAngle = gaugeOption.startAngle - gaugeOption.endAngle + 1;
- let splitAngle = totalAngle / gaugeOption.splitLine.splitNumber;
- let childAngle = totalAngle / gaugeOption.splitLine.splitNumber / gaugeOption.splitLine.childNumber;
- let startX = -radius - gaugeOption.width * 0.5 - gaugeOption.splitLine.fixRadius;
- let endX = -radius - gaugeOption.width - gaugeOption.splitLine.fixRadius + gaugeOption.splitLine.width;
- context.save();
- context.translate(centerPosition.x, centerPosition.y);
- context.rotate((gaugeOption.startAngle - 1) * Math.PI);
- let len = gaugeOption.splitLine.splitNumber * gaugeOption.splitLine.childNumber + 1;
- let proc = series[0].data * process;
- for (let i = 0; i < len; i++) {
- context.beginPath();
- //刻度线随进度变色
- if(proc>(i/len)){
- context.setStrokeStyle(hexToRgb(series[0].color, 1));
- }else{
- context.setStrokeStyle(hexToRgb(series[0].color, 0.3));
- }
- context.setLineWidth(3 * opts.pixelRatio);
- context.moveTo(startX, 0);
- context.lineTo(endX, 0);
- context.stroke();
- context.rotate(childAngle * Math.PI);
- }
- context.restore();
-
- //## 第三步画进度条
- series = getArcbarDataPoints(series, gaugeOption, process);
- context.setLineWidth(gaugeOption.width);
- context.setStrokeStyle(series[0].color);
- context.setLineCap('round');
- context.beginPath();
- context.arc(centerPosition.x, centerPosition.y, innerRadius , gaugeOption.startAngle * Math.PI, series[0]._proportion_ *Math.PI, false);
- context.stroke();
-
- //## 第四步画指针
- let pointerRadius = radius - gaugeOption.width*2.5;
- context.save();
- context.translate(centerPosition.x, centerPosition.y);
- context.rotate((series[0]._proportion_ - 1) * Math.PI);
- context.beginPath();
- context.setLineWidth(gaugeOption.width/3);
- let gradient3 = context.createLinearGradient(0, -pointerRadius*0.6, 0 , pointerRadius*0.6);
- gradient3.addColorStop('0', hexToRgb('#FFFFFF', 0));
- gradient3.addColorStop('0.5', hexToRgb(series[0].color, 1));
- gradient3.addColorStop('1.0', hexToRgb('#FFFFFF', 0));
- context.setStrokeStyle(gradient3);
- context.arc(0, 0, pointerRadius , 0.85* Math.PI, 1.15 * Math.PI, false);
- context.stroke();
- context.beginPath();
- context.setLineWidth(1);
- context.setStrokeStyle(series[0].color);
- context.setFillStyle(series[0].color);
- context.moveTo(-pointerRadius-gaugeOption.width/3/2,-4);
- context.lineTo(-pointerRadius-gaugeOption.width/3/2-4,0);
- context.lineTo(-pointerRadius-gaugeOption.width/3/2,4);
- context.lineTo(-pointerRadius-gaugeOption.width/3/2,-4);
- context.stroke();
- context.fill();
- context.restore();
-
- //default百度样式
- }else{
- //画背景
- context.setLineWidth(gaugeOption.width);
- context.setLineCap('butt');
- for (let i = 0; i < categories.length; i++) {
- let eachCategories = categories[i];
- context.beginPath();
- context.setStrokeStyle(eachCategories.color);
- context.arc(centerPosition.x, centerPosition.y, radius, eachCategories._startAngle_ * Math.PI, eachCategories._endAngle_ *Math.PI, false);
- context.stroke();
- }
- context.save();
-
- //画刻度线
- totalAngle = gaugeOption.startAngle - gaugeOption.endAngle + 1;
- let splitAngle = totalAngle / gaugeOption.splitLine.splitNumber;
- let childAngle = totalAngle / gaugeOption.splitLine.splitNumber / gaugeOption.splitLine.childNumber;
- let startX = -radius - gaugeOption.width * 0.5 - gaugeOption.splitLine.fixRadius;
- let endX = -radius - gaugeOption.width * 0.5 - gaugeOption.splitLine.fixRadius + gaugeOption.splitLine.width;
- let childendX = -radius - gaugeOption.width * 0.5 - gaugeOption.splitLine.fixRadius + gaugeOption.splitLine.childWidth;
-
- context.translate(centerPosition.x, centerPosition.y);
- context.rotate((gaugeOption.startAngle - 1) * Math.PI);
-
- for (let i = 0; i < gaugeOption.splitLine.splitNumber + 1; i++) {
- context.beginPath();
- context.setStrokeStyle(gaugeOption.splitLine.color);
- context.setLineWidth(2 * opts.pixelRatio);
- 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.pixelRatio);
- 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',
- labelColor: '#666666',
- opacity: 0.2,
- gridCount:3
- },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 radius = Math.min(centerPosition.x - (getMaxTextListLength(opts.categories) + config.radarLabelTextMargin),
- centerPosition.y - config.radarLabelTextMargin);
- //TODO逻辑不对
- radius -= opts.padding[1];
- // draw grid
- context.beginPath();
- context.setLineWidth(1 * opts.pixelRatio);
- context.setStrokeStyle(radarOption.gridColor);
- coordinateAngle.forEach(function(angle) {
- var pos = convertCoordinateOrigin(radius * Math.cos(angle), radius * Math.sin(angle), centerPosition);
- context.moveTo(centerPosition.x, centerPosition.y);
- context.lineTo(pos.x, pos.y);
- });
- context.stroke();
- context.closePath();
- // draw split line grid
- var _loop = function _loop(i) {
- var startPos = {};
- context.beginPath();
- context.setLineWidth(1 * opts.pixelRatio);
- context.setStrokeStyle(radarOption.gridColor);
- 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);
- context.stroke();
- context.closePath();
- };
- for (var i = 1; i <= radarOption.gridCount; i++) {
- _loop(i);
- }
- var radarDataPoints = getRadarDataPoints(coordinateAngle, centerPosition, radius, series, opts, process);
- radarDataPoints.forEach(function(eachSeries, seriesIndex) {
- // 绘制区域数据
- context.beginPath();
- context.setFillStyle(hexToRgb(eachSeries.color, radarOption.opacity));
- eachSeries.data.forEach(function(item, index) {
- if (index === 0) {
- context.moveTo(item.position.x, item.position.y);
- } else {
- context.lineTo(item.position.x, item.position.y);
- }
- });
- context.closePath();
- context.fill();
- if (opts.dataPointShape !== false) {
- var points = eachSeries.data.map(function(item) {
- return item.position;
- });
- drawPointShape(points, eachSeries.color, eachSeries.pointShape, context, opts);
- }
- });
- // draw label text
- drawRadarLabel(coordinateAngle, radius, centerPosition, opts, config, context);
- return {
- center: centerPosition,
- radius: radius,
- angleList: coordinateAngle
- };
- }
- function normalInt(min, max, iter) {
- iter = iter==0?1:iter;
- var arr = [];
- for (var i = 0; i < iter; i++) {
- arr[i] = Math.random();
- };
- return Math.floor(arr.reduce(function(i,j){return i+j})/iter*(max-min))+min;
- };
- function collisionNew(area,points,width,height){
- var isIn=false;
- for(let i=0;i<points.length;i++){
- if(points[i].area){
- if(area[3]<points[i].area[1]||area[0]>points[i].area[2]||area[1]>points[i].area[3]||area[2]<points[i].area[0]){
- if(area[0]<0 || area[1]<0 || area[2]>width || area[3]>height){
- isIn=true;
- break;
- }else{
- isIn=false;
- }
- }else{
- isIn=true;
- break;
- }
- }
- }
- return isIn;
- };
- function getBoundingBox(data) {
- var bounds = {}, coords;
- bounds.xMin = 180;
- bounds.xMax = 0;
- bounds.yMin = 90;
- bounds.yMax = 0
- for (var i = 0; i < data.length; i++) {
- var coorda = data[i].geometry.coordinates
- for (var k = 0; k < coorda.length; k++) {
- coords = coorda[k];
- if (coords.length == 1) {
- coords = coords[0]
- }
- for (var j = 0; j < coords.length; j++) {
- var longitude = coords[j][0];
- var latitude = coords[j][1];
- var point = {
- x: longitude,
- y: latitude
- }
- bounds.xMin = bounds.xMin < point.x ? bounds.xMin : point.x;
- bounds.xMax = bounds.xMax > point.x ? bounds.xMax : point.x;
- bounds.yMin = bounds.yMin < point.y ? bounds.yMin : point.y;
- bounds.yMax = bounds.yMax > point.y ? bounds.yMax : point.y;
- }
- }
- }
- return bounds;
- }
- function coordinateToPoint(latitude, longitude,bounds,scale,xoffset,yoffset) {
- return {
- x: (longitude - bounds.xMin) * scale+xoffset,
- y: (bounds.yMax - latitude) * scale+yoffset
- };
- }
- function pointToCoordinate(pointY, pointX,bounds,scale,xoffset,yoffset) {
- return {
- x: (pointX-xoffset)/scale+bounds.xMin,
- y: bounds.yMax - (pointY-yoffset)/scale
- };
- }
- function isRayIntersectsSegment(poi,s_poi,e_poi){
- if (s_poi[1]==e_poi[1]){return false;}
- if (s_poi[1]>poi[1] && e_poi[1]>poi[1]){return false;}
- if (s_poi[1]<poi[1] && e_poi[1]<poi[1]){return false;}
- if (s_poi[1]==poi[1] && e_poi[1]>poi[1]){return false;}
- if (e_poi[1]==poi[1] && s_poi[1]>poi[1]){return false;}
- if (s_poi[0]<poi[0] && e_poi[1]<poi[1]){return false;}
- let xseg=e_poi[0]-(e_poi[0]-s_poi[0])*(e_poi[1]-poi[1])/(e_poi[1]-s_poi[1]);
- if (xseg<poi[0]){
- return false;
- }else{
- return true;
- }
- }
- function isPoiWithinPoly(poi,poly){
- 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 (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,
- borderWidth:1,
- borderColor:'#666666',
- fillOpacity:0.6,
- activeBorderColor:'#f04864',
- activeFillColor:'#facc14',
- activeFillOpacity:1
- },opts.extra.map);
- var coords, point;
- var data = series;
- var bounds= getBoundingBox(data);
- 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;
- context.beginPath();
- context.clearRect(0, 0, opts.width, opts.height);
- context.setFillStyle(opts.background||'#FFFFFF');
- context.rect(0,0,opts.width,opts.height);
- context.fill();
- for (var i = 0; i < data.length; i++) {
- context.beginPath();
- context.setLineWidth(mapOption.borderWidth * opts.pixelRatio);
- context.setStrokeStyle(mapOption.borderColor);
- context.setFillStyle(hexToRgb(series[i].color, mapOption.fillOpacity));
- if (opts.tooltip) {
- if (opts.tooltip.index == i ) {
- context.setStrokeStyle(mapOption.activeBorderColor);
- context.setFillStyle(hexToRgb(mapOption.activeFillColor, mapOption.activeFillOpacity));
- }
- }
- var coorda = data[i].geometry.coordinates
- for (var k = 0; k < coorda.length; k++) {
- coords = coorda[k];
- if (coords.length == 1) {
- coords = coords[0]
- }
- for (var j = 0; j < coords.length; j++) {
- point = coordinateToPoint(coords[j][1], coords[j][0],bounds,scale,xoffset,yoffset)
- if (j === 0) {
- context.beginPath();
- context.moveTo(point.x, point.y);
- } else {
- context.lineTo(point.x, point.y);
- }
- }
- context.fill();
- if(mapOption.border == true){
- context.stroke();
- }
- }
- if(opts.dataLabel == true){
- var centerPoint = data[i].properties.centroid;
- if(centerPoint){
- point = coordinateToPoint(centerPoint[1], centerPoint[0],bounds,scale,xoffset,yoffset);
- let fontSize=data[i].textSize||config.fontSize;
- let text=data[i].properties.name;
- context.beginPath();
- context.setFontSize(fontSize)
- context.setFillStyle(data[i].textColor||'#666666')
- context.fillText(text, point.x-measureText(text,fontSize)/2, point.y+fontSize/2);
- context.closePath();
- context.stroke();
- }
- }
- }
- opts.chartData.mapData={
- bounds:bounds,
- scale:scale,
- xoffset:xoffset,
- yoffset:yoffset
- }
- drawToolTipBridge(opts, config, context,1);
- context.draw();
- }
- function getWordCloudPoint(opts,type){
- let points = opts.series.sort(function(a,b){return parseInt(b.textSize)-parseInt(a.textSize);});
- switch (type) {
- case 'normal':
- for (let i = 0; i < points.length; i++) {
- let text = points[i].name;
- let tHeight = points[i].textSize;
- let tWidth = measureText(text,tHeight);
- 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;
- let tWidth = measureText(text,tHeight);
- 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);
-
- context.beginPath();
- context.setFillStyle(opts.background||'#FFFFFF');
- 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;
- let tWidth = measureText(text,tHeight);
- 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({},{
- activeWidth:10,
- activeOpacity:0.3,
- border:false,
- borderWidth:2,
- borderColor:'#FFFFFF',
- fillOpacity:1,
- labelAlign:'right'
- },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;
- let radius = Math.min((opts.width - opts.area[1] - opts.area[3]) / 2 - activeWidth, (opts.height - opts.area[0] - opts.area[2]) / 2 - activeWidth);
- series = getFunnelDataPoints(series, radius, process);
- context.save();
- context.translate(centerPosition.x,centerPosition.y);
- for(let i=0;i<series.length;i++){
- if(i==0){
- if (opts.tooltip) {
- if (opts.tooltip.index == i) {
- context.beginPath();
- context.setFillStyle(hexToRgb(series[i].color, funnelOption.activeOpacity));
- context.moveTo(-activeWidth, 0);
- context.lineTo(-series[i].radius-activeWidth, -eachSpacing);
- context.lineTo(series[i].radius+activeWidth, -eachSpacing);
- context.lineTo(activeWidth, 0);
- context.lineTo(-activeWidth, 0);
- context.closePath();
- context.fill();
- }
- }
- series[i].funnelArea=[centerPosition.x-series[i].radius,centerPosition.y-eachSpacing,centerPosition.x+series[i].radius,centerPosition.y];
- context.beginPath();
- context.setLineWidth(funnelOption.borderWidth * opts.pixelRatio);
- context.setStrokeStyle(funnelOption.borderColor);
- context.setFillStyle(hexToRgb(series[i].color, funnelOption.fillOpacity));
- context.moveTo(0, 0);
- context.lineTo(-series[i].radius, -eachSpacing);
- context.lineTo(series[i].radius, -eachSpacing);
- context.lineTo(0, 0);
- context.closePath();
- context.fill();
- if(funnelOption.border == true){
- context.stroke();
- }
- }else{
- if (opts.tooltip) {
- if (opts.tooltip.index == i) {
- context.beginPath();
- context.setFillStyle(hexToRgb(series[i].color, funnelOption.activeOpacity));
- context.moveTo(0, 0);
- context.lineTo(-series[i-1].radius-activeWidth, 0);
- context.lineTo(-series[i].radius-activeWidth, -eachSpacing);
- context.lineTo(series[i].radius+activeWidth, -eachSpacing);
- context.lineTo(series[i-1].radius+activeWidth, 0);
- context.lineTo(0, 0);
- context.closePath();
- context.fill();
- }
- }
- series[i].funnelArea=[centerPosition.x-series[i].radius,centerPosition.y-eachSpacing*(i+1),centerPosition.x+series[i].radius,centerPosition.y-eachSpacing*i];
- context.beginPath();
- context.setLineWidth(funnelOption.borderWidth * opts.pixelRatio);
- context.setStrokeStyle(funnelOption.borderColor);
- context.setFillStyle(hexToRgb(series[i].color, funnelOption.fillOpacity));
- context.moveTo(0, 0);
- context.lineTo(-series[i-1].radius, 0);
- context.lineTo(-series[i].radius, -eachSpacing);
- context.lineTo(series[i].radius, -eachSpacing);
- context.lineTo(series[i-1].radius, 0);
- context.lineTo(0, 0);
- context.closePath();
- context.fill();
- if(funnelOption.border == true){
- context.stroke();
- }
- }
- context.translate(0,-eachSpacing)
- }
- context.restore();
-
- if (opts.dataLabel !== false && process === 1) {
- drawFunnelText(series, opts, context, eachSpacing, funnelOption.labelAlign, activeWidth, centerPosition);
- }
-
- return {
- center: centerPosition,
- radius: radius,
- series: series
- };
- }
- function drawFunnelText(series, opts, context, eachSpacing, labelAlign,activeWidth, centerPosition){
- for(let i=0;i<series.length;i++){
- let item = series[i];
- let startX,endX,startY,fontSize;
- let text = item.format ? item.format(+item._proportion_.toFixed(2)) : util.toFixed(item._proportion_ * 100) +'%';
- if(labelAlign == 'right'){
- if(i==0){
- startX=(item.funnelArea[2]+centerPosition.x)/2;
- }else{
- startX=(item.funnelArea[2]+series[i-1].funnelArea[2])/2;
- }
- endX=startX+activeWidth*2;
- startY=item.funnelArea[1]+eachSpacing/2;
- fontSize = item.textSize || opts.fontSize;
- context.setLineWidth(1 * opts.pixelRatio);
- 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 || '#666666');
- context.fillText(text, endX+5, startY + fontSize/2 -2);
- context.closePath();
- context.stroke();
- context.closePath();
- }else{
- if(i==0){
- startX=(item.funnelArea[0]+centerPosition.x)/2;
- }else{
- startX=(item.funnelArea[0]+series[i-1].funnelArea[0])/2;
- }
- endX=startX-activeWidth*2;
- startY=item.funnelArea[1]+eachSpacing/2;
- fontSize = item.textSize || opts.fontSize;
- context.setLineWidth(1 * opts.pixelRatio);
- 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 || '#666666');
- context.fillText(text, endX-5-measureText(text), startY + fontSize/2 -2);
- context.closePath();
- context.stroke();
- context.closePath();
- }
-
- }
- }
- function drawCanvas(opts, context) {
- context.draw();
- }
- var Timing = {
- easeIn: function easeIn(pos) {
- return Math.pow(pos, 3);
- },
- easeOut: function easeOut(pos) {
- return Math.pow(pos - 1, 3) + 1;
- },
- easeInOut: function easeInOut(pos) {
- if ((pos /= 0.5) < 1) {
- return 0.5 * Math.pow(pos, 3);
- } else {
- return 0.5 * (Math.pow(pos - 2, 3) + 2);
- }
- },
- linear: function linear(pos) {
- return pos;
- }
- };
- function Animation(opts) {
- this.isStop = false;
- opts.duration = typeof opts.duration === 'undefined' ? 1000 : opts.duration;
- opts.timing = opts.timing || 'linear';
- 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);
- }
- // stop animation immediately
- // and tigger onAnimationFinish
- Animation.prototype.stop = function() {
- this.isStop = true;
- };
- function drawCharts(type, opts, config, context) {
- var _this = this;
- var series = opts.series;
- var categories = opts.categories;
- series = fillSeries(series, opts, config);
- var duration = opts.animation ? opts.duration : 0;
- _this.animationInstance && _this.animationInstance.stop();
- var seriesMA = null;
- if (type == 'candle') {
- let average = assign({}, opts.extra.candle.average);
- if (average.show) {
- seriesMA = calCandleMA(average.day, average.name, average.color, series[0].data);
- seriesMA = fillSeries(seriesMA, opts, config);
- opts.seriesMA = seriesMA;
- } else if (opts.seriesMA) {
- seriesMA = opts.seriesMA = fillSeries(opts.seriesMA, opts, config);
- } else {
- seriesMA = series;
- }
- } else {
- seriesMA = series;
- }
- /* 过滤掉show=false的series */
- opts._series_ = series = filterSeries(series);
- //重新计算图表区域
- opts.area = new Array(4);
- //复位绘图区域
- for (let j = 0; j < 4; j++) {
- opts.area[j] = opts.padding[j];
- }
- //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),
- legendHeight = _calLegendData.area.wholeHeight,
- legendWidth = _calLegendData.area.wholeWidth;
-
- switch (opts.legend.position) {
- case 'top':
- opts.area[0] += legendHeight;
- break;
- case 'bottom':
- opts.area[2] += legendHeight;
- break;
- case 'left':
- opts.area[3] += legendWidth;
- break;
- case 'right':
- opts.area[1] += legendWidth;
- break;
- }
- let _calYAxisData = {},yAxisWidth = 0;
- if (opts.type === 'line' || opts.type === 'column' || opts.type === 'area' || opts.type === 'mix' || opts.type === 'candle') {
- _calYAxisData = calYAxisData(series, opts, config);
- 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:config.fontSize)
- }
- opts.area[0] += (maxTitleHeight+6)*opts.pixelRatio;
- }
- 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;
- }else{
- opts.area[3] += yAxisWidth[i].width;
- }
- leftIndex +=1;
- }else{
- if(rightIndex>0){
- opts.area[1] += yAxisWidth[i].width + opts.yAxis.padding;
- }else{
- opts.area[1] += yAxisWidth[i].width;
- }
- rightIndex +=1;
- }
- }
- }else{
- config.yAxisWidth = yAxisWidth;
- }
- opts.chartData.yAxisData = _calYAxisData;
- if (opts.categories && opts.categories.length) {
- opts.chartData.xAxisData = getXAxisPoints(opts.categories, opts, config);
- let _calCategoriesData = calCategoriesData(opts.categories, opts, config, opts.chartData.xAxisData.eachSpacing),
- 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 === 'points') {
- opts.chartData.xAxisData = calXAxisData(series, opts, config);
- categories=opts.chartData.xAxisData.rangesFormat;
- let _calCategoriesData = calCategoriesData(categories, opts, config, opts.chartData.xAxisData.eachSpacing),
- xAxisHeight = _calCategoriesData.xAxisHeight,
- angle = _calCategoriesData.angle;
- config.xAxisHeight = xAxisHeight;
- config._xAxisTextAngle_ = angle;
- opts.area[2] += xAxisHeight;
- opts.chartData.categoriesData = _calCategoriesData;
- }else{
- opts.chartData.xAxisData={
- xAxisPoints: []
- };
- }
- }
- //计算右对齐偏移距离
- if (opts.enableScroll && opts.xAxis.scrollAlign == 'right' && opts._scrollDistance_ === undefined) {
- let offsetLeft = 0,
- xAxisPoints = opts.chartData.xAxisData.xAxisPoints,
- startX = opts.chartData.xAxisData.startX,
- endX = opts.chartData.xAxisData.endX,
- eachSpacing = opts.chartData.xAxisData.eachSpacing;
- let totalWidth = eachSpacing * (xAxisPoints.length - 1);
- let screenWidth = endX - startX;
- offsetLeft = screenWidth - totalWidth;
- _this.scrollOption = {
- currentOffset: offsetLeft,
- startTouchX: offsetLeft,
- distance: 0,
- lastMoveTime: 0
- };
- opts._scrollDistance_ = offsetLeft;
- }
- if (type === 'pie' || type === 'ring' || type === 'rose') {
- config._pieTextMaxLength_ = opts.dataLabel === false ? 0 : getPieTextMaxLength(seriesMA);
- }
- switch (type) {
- case 'word':
- let wordOption = assign({},{
- type: 'normal',
- autoColors: true
- },opts.extra.word);
- if(opts.updateData==true || opts.updateData==undefined){
- opts.chartData.wordCloudData=getWordCloudPoint(opts,wordOption.type);
- }
- this.animationInstance = new Animation({
- timing: 'easeInOut',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'map':
- context.clearRect(0, 0, opts.width, opts.height);
- drawMapDataPoints(series, opts, config, context);
- break;
- case 'funnel':
- this.animationInstance = new Animation({
- timing: 'easeInOut',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'line':
- this.animationInstance = new Animation({
- timing: 'easeIn',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'mix':
- this.animationInstance = new Animation({
- timing: 'easeIn',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'column':
- this.animationInstance = new Animation({
- timing: 'easeIn',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'area':
- this.animationInstance = new Animation({
- timing: 'easeIn',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'ring':
- case 'pie':
- this.animationInstance = new Animation({
- timing: 'easeInOut',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'rose':
- this.animationInstance = new Animation({
- timing: 'easeInOut',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'radar':
- this.animationInstance = new Animation({
- timing: 'easeInOut',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'arcbar':
- this.animationInstance = new Animation({
- timing: 'easeInOut',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'gauge':
- this.animationInstance = new Animation({
- timing: 'easeInOut',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- case 'candle':
- this.animationInstance = new Animation({
- timing: 'easeIn',
- 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.event.trigger('renderComplete');
- }
- });
- break;
- }
- }
- // simple event implement
- function Event() {
- this.events = {};
- }
- Event.prototype.addEventListener = function(type, listener) {
- this.events[type] = this.events[type] || [];
- this.events[type].push(listener);
- };
- Event.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.error(e);
- }
- });
- }
- };
- var Charts = function Charts(opts) {
- opts.pixelRatio = opts.pixelRatio ? opts.pixelRatio : 1;
- opts.fontSize = opts.fontSize ? opts.fontSize * opts.pixelRatio : 13 * opts.pixelRatio;
- opts.title = assign({}, opts.title);
- opts.subtitle = assign({}, opts.subtitle);
- opts.duration = opts.duration ? opts.duration : 1000;
- opts.yAxis = assign({}, {
- data:[],
- showTitle:false,
- disabled:false,
- disableGrid:false,
- splitNumber:5,
- gridType: 'solid',
- dashLength: 4 * opts.pixelRatio,
- gridColor:'#cccccc',
- padding:10,
- fontColor:'#666666'
- }, opts.yAxis);
- opts.yAxis.dashLength *= opts.pixelRatio;
- opts.yAxis.padding *= opts.pixelRatio;
- opts.xAxis = assign({}, {
- rotateLabel: false,
- type: 'calibration',
- gridType: 'solid',
- dashLength: 4,
- scrollAlign: 'left',
- boundaryGap:'center',
- axisLine:true,
- axisLineColor:'#cccccc'
- }, opts.xAxis);
- opts.xAxis.dashLength *= opts.pixelRatio;
- 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: '#333333',
- format: {},
- hiddenColor: '#CECECE'
- }, opts.legend);
- opts.legend.borderWidth = opts.legend.borderWidth * opts.pixelRatio;
- opts.legend.itemGap = opts.legend.itemGap * opts.pixelRatio;
- opts.legend.padding = opts.legend.padding * opts.pixelRatio;
- opts.legend.margin = opts.legend.margin * opts.pixelRatio;
- opts.extra = assign({}, opts.extra);
- opts.rotate = opts.rotate ? true : false;
- opts.animation = opts.animation ? true : false;
- opts.rotate = opts.rotate ? true : false;
- let config$$1 = JSON.parse(JSON.stringify(config));
- config$$1.colors = opts.colors ? opts.colors : config$$1.colors;
- config$$1.yAxisTitleWidth = opts.yAxis.disabled !== true && opts.yAxis.title ? config$$1.yAxisTitleWidth : 0;
- if (opts.type == 'pie' || opts.type == 'ring') {
- config$$1.pieChartLinePadding = opts.dataLabel === false ? 0 : opts.extra.pie.labelWidth * opts.pixelRatio || config$$1.pieChartLinePadding * opts.pixelRatio;
- }
- if (opts.type == 'rose') {
- config$$1.pieChartLinePadding = opts.dataLabel === false ? 0 : opts.extra.rose.labelWidth * opts.pixelRatio || config$$1.pieChartLinePadding * opts.pixelRatio;
- }
- config$$1.pieChartTextPadding = opts.dataLabel === false ? 0 : config$$1.pieChartTextPadding * opts.pixelRatio;
- config$$1.yAxisSplit = opts.yAxis.splitNumber ? opts.yAxis.splitNumber : config.yAxisSplit;
- //屏幕旋转
- config$$1.rotate = opts.rotate;
- if (opts.rotate) {
- let tempWidth = opts.width;
- let tempHeight = opts.height;
- opts.width = tempHeight;
- opts.height = tempWidth;
- }
- //适配高分屏
- opts.padding = opts.padding ? opts.padding : config$$1.padding;
- for (let i = 0; i < 4; i++) {
- opts.padding[i] *= opts.pixelRatio;
- }
- config$$1.yAxisWidth = config.yAxisWidth * opts.pixelRatio;
- config$$1.xAxisHeight = config.xAxisHeight * opts.pixelRatio;
- if (opts.enableScroll && opts.xAxis.scrollShow) {
- config$$1.xAxisHeight += 6 * opts.pixelRatio;
- }
- config$$1.xAxisLineHeight = config.xAxisLineHeight * opts.pixelRatio;
- config$$1.fontSize = opts.fontSize;
- config$$1.titleFontSize = config.titleFontSize * opts.pixelRatio;
- config$$1.subtitleFontSize = config.subtitleFontSize * opts.pixelRatio;
- config$$1.toolTipPadding = config.toolTipPadding * opts.pixelRatio;
- config$$1.toolTipLineHeight = config.toolTipLineHeight * opts.pixelRatio;
- config$$1.columePadding = config.columePadding * opts.pixelRatio;
- opts.$this = opts.$this ? opts.$this : this;
-
- this.context = uni.createCanvasContext(opts.canvasId, opts.$this);
- /* 兼容原生H5
- this.context = document.getElementById(opts.canvasId).getContext("2d");
- 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.draw = function(){ }
- */
- opts.chartData = {};
- this.event = new Event();
- 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);
- };
- Charts.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),
- 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);
- };
- Charts.prototype.zoom = function() {
- var val = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.opts.xAxis.itemCount;
- if (this.opts.enableScroll !== true) {
- console.log('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),
- yAxisWidth = _calYAxisData.yAxisWidth;
- this.config.yAxisWidth = yAxisWidth;
- let offsetLeft = 0;
- let _getXAxisPoints0 = getXAxisPoints(this.opts.categories, this.opts, this.config),
- xAxisPoints = _getXAxisPoints0.xAxisPoints,
- startX = _getXAxisPoints0.startX,
- endX = _getXAxisPoints0.endX,
- eachSpacing = _getXAxisPoints0.eachSpacing;
- let centerLeft = eachSpacing * centerPoint;
- let screenWidth = endX - startX;
- let MaxLeft = screenWidth - eachSpacing * (xAxisPoints.length - 1);
- offsetLeft = screenWidth / 2 - centerLeft;
- if (offsetLeft > 0) {
- offsetLeft = 0;
- }
- if (offsetLeft < MaxLeft) {
- offsetLeft = MaxLeft;
- }
- this.scrollOption = {
- currentOffset: offsetLeft,
- startTouchX: offsetLeft,
- distance: 0,
- lastMoveTime: 0
- };
- this.opts._scrollDistance_ = offsetLeft;
- drawCharts.call(this, this.opts.type, this.opts, this.config, this.context);
- };
- Charts.prototype.stopAnimation = function() {
- this.animationInstance && this.animationInstance.stop();
- };
- Charts.prototype.addEventListener = function(type, listener) {
- this.event.addEventListener(type, listener);
- };
- Charts.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' || this.opts.type === 'rose') {
- return findPieChartCurrentIndex({
- x: _touches$.x,
- y: _touches$.y
- }, this.opts.chartData.pieData);
- } 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 {
- return findCurrentIndex({
- x: _touches$.x,
- y: _touches$.y
- }, this.opts.chartData.calPoints, this.opts, this.config, Math.abs(this.scrollOption.currentOffset));
- }
- }
- return -1;
- };
- Charts.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;
- };
- Charts.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) {
- 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);
- }
- }
- };
- Charts.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("touchError");
- }
- 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') {
- var index = this.getCurrentDataIndex(e);
- if (index > -1) {
- var seriesData = getSeriesDataItem(this.opts.series, index);
- if (seriesData.length !== 0) {
- var _getToolTipData = getToolTipData(seriesData, this.opts.chartData.calPoints, index, this.opts.categories,option),
- textList = _getToolTipData.textList,
- offset = _getToolTipData.offset;
- offset.y = _touches$.y;
- opts.tooltip = {
- textList: textList,
- offset: offset,
- option: option,
- index: index
- };
- }
- }
- drawCharts.call(this, opts.type, opts, this.config, this.context);
- }
- if (this.opts.type === 'mix') {
- var index = this.getCurrentDataIndex(e);
- if (index > -1) {
- var currentOffset = this.scrollOption.currentOffset;
- var opts = assign({}, this.opts, {
- _scrollDistance_: currentOffset,
- animation: false
- });
- var seriesData = getSeriesDataItem(this.opts.series, index);
- if (seriesData.length !== 0) {
- var _getMixToolTipData = getMixToolTipData(seriesData, this.opts.chartData.calPoints, index, this.opts.categories,option),
- textList = _getMixToolTipData.textList,
- offset = _getMixToolTipData.offset;
- offset.y = _touches$.y;
- opts.tooltip = {
- textList: textList,
- offset: offset,
- option: option,
- index: index
- };
- }
- }
- drawCharts.call(this, opts.type, opts, this.config, this.context);
- }
- if (this.opts.type === 'candle') {
- var index = this.getCurrentDataIndex(e);
- 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.chartData.calPoints,
- index, this.opts.categories, this.opts.extra.candle, option),
- textList = _getToolTipData.textList,
- offset = _getToolTipData.offset;
- offset.y = _touches$.y;
- opts.tooltip = {
- textList: textList,
- offset: offset,
- option: option,
- index: index
- };
- }
- }
- drawCharts.call(this, opts.type, opts, this.config, this.context);
- }
- if (this.opts.type === 'pie' || this.opts.type === 'ring' || this.opts.type === 'rose'||this.opts.type === 'funnel' ) {
- var index = this.getCurrentDataIndex(e);
- if (index > -1) {
- var currentOffset = this.scrollOption.currentOffset;
- var opts = assign({}, this.opts, {
- _scrollDistance_: currentOffset,
- animation: false
- });
- var seriesData = this.opts._series_[index];
- var textList = [{
- text: option.format ? option.format(seriesData) : seriesData.name + ': ' + seriesData.data,
- color: seriesData.color
- }];
- var offset = {
- x: _touches$.x,
- y: _touches$.y
- };
- opts.tooltip = {
- textList: textList,
- offset: offset,
- option: option,
- index: index
- };
- }
- drawCharts.call(this, opts.type, opts, this.config, this.context);
- }
- if (this.opts.type === 'map'||this.opts.type === 'word') {
- var index = this.getCurrentDataIndex(e);
- if (index > -1) {
- var currentOffset = this.scrollOption.currentOffset;
- var opts = assign({}, this.opts, {
- _scrollDistance_: currentOffset,
- animation: false
- });
- var seriesData = this.opts._series_[index];
- var textList = [{
- text: option.format ? option.format(seriesData) : seriesData.properties.name ,
- color: seriesData.color
- }];
- var offset = {
- x: _touches$.x,
- y: _touches$.y
- };
- opts.tooltip = {
- textList: textList,
- offset: offset,
- option: option,
- index: index
- };
- }
- opts.updateData = false;
- drawCharts.call(this, opts.type, opts, this.config, this.context);
- }
- if (this.opts.type === 'radar') {
- var index = this.getCurrentDataIndex(e);
- if (index > -1) {
- var currentOffset = this.scrollOption.currentOffset;
- var opts = assign({}, this.opts, {
- _scrollDistance_: currentOffset,
- animation: false
- });
- var seriesData = getSeriesDataItem(this.opts.series, index);
- if (seriesData.length !== 0) {
- var textList = seriesData.map(function(item) {
- return {
- text: option.format ? option.format(item) : item.name + ': ' + item.data,
- color: item.color
- };
- });
- var offset = {
- x: _touches$.x,
- y: _touches$.y
- };
- opts.tooltip = {
- textList: textList,
- offset: offset,
- option: option,
- index: index
- };
- }
- }
- drawCharts.call(this, opts.type, opts, this.config, this.context);
- }
- };
- Charts.prototype.translate = function(distance) {
- this.scrollOption = {
- currentOffset: distance,
- startTouchX: distance,
- distance: 0,
- lastMoveTime: 0
- };
- let opts = assign({}, this.opts, {
- _scrollDistance_: distance,
- animation: false
- });
- drawCharts.call(this, this.opts.type, opts, this.config, this.context);
- };
- Charts.prototype.scrollStart = function(e) {
- var touches = null;
- if (e.changedTouches) {
- touches = e.changedTouches[0];
- } else {
- touches = e.mp.changedTouches[0];
- }
- var _touches$ = getTouches(touches, this.opts, e);
- if (touches && this.opts.enableScroll === true) {
- this.scrollOption.startTouchX = _touches$.x;
- }
- };
- Charts.prototype.scroll = function(e) {
- if (this.scrollOption.lastMoveTime === 0) {
- this.scrollOption.lastMoveTime = Date.now();
- }
- let Limit = this.opts.extra.touchMoveLimit || 20;
- let currMoveTime = Date.now();
- let duration = currMoveTime - this.scrollOption.lastMoveTime;
- if (duration < Math.floor(1000 / Limit)) return;
- this.scrollOption.lastMoveTime = currMoveTime;
- var touches = null;
- if (e.changedTouches) {
- touches = e.changedTouches[0];
- } else {
- touches = e.mp.changedTouches[0];
- }
- if (touches && this.opts.enableScroll === true) {
- var _touches$ = getTouches(touches, this.opts, e);
- var _distance;
- _distance = _touches$.x - this.scrollOption.startTouchX;
- var currentOffset = this.scrollOption.currentOffset;
- var validDistance = calValidDistance(this,currentOffset + _distance, this.opts.chartData, this.config, this.opts);
- this.scrollOption.distance = _distance = validDistance - currentOffset;
- var opts = assign({}, this.opts, {
- _scrollDistance_: currentOffset + _distance,
- animation: false
- });
- drawCharts.call(this, opts.type, opts, this.config, this.context);
- return currentOffset + _distance;
- }
- };
- Charts.prototype.scrollEnd = function(e) {
- if (this.opts.enableScroll === true) {
- var _scrollOption = this.scrollOption,
- currentOffset = _scrollOption.currentOffset,
- distance = _scrollOption.distance;
- this.scrollOption.currentOffset = currentOffset + distance;
- this.scrollOption.distance = 0;
- }
- };
- if (typeof module === "object" && typeof module.exports === "object") {
- module.exports = Charts;
- //export default Charts;//建议使用nodejs的module导出方式,如报错请使用export方式导出
- }
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