/* * uCharts v1.7.0.20190630 * 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) * 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: 12, pixelRatio: 1, //适配H5高分屏 rotate: false, //横屏模式 columePadding: 3, fontSize: 13, //dataPointShape: ['diamond', 'circle', 'triangle', 'rect'], dataPointShape: ['circle', 'circle', 'circle', 'circle'], //仿F2图例样式改为圆点 // colors: ['#1890ff', '#2fc25b', '#facc14', '#f04864', '#8543e0', '#90ed7d'], colors:['#1890ff', '#2fc25b', '#facc14', '#f04864', '#8543e0', '#90ed7d', '#5caf20', '#30b0d7','#ff6d58','#1A79B9','#f97723','#f3792c'], pieChartLinePadding: 15, pieChartTextPadding: 5, xAxisTextPadding: 3, titleColor: '#333333', titleFontSize: 20, subtitleColor: '#999999', subtitleFontSize: 15, toolTipPadding: 3, toolTipBackground: '#000000', toolTipOpacity: 0.7, toolTipLineHeight: 20, radarGridCount: 3, radarLabelTextMargin: 15, gaugeLabelTextMargin: 15 }; // Object.assign polyfill // https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign function assign(target, varArgs) { if (target == null) { // TypeError if undefined or null throw new TypeError('Cannot convert undefined or null to object'); } var to = Object(target); for (var index = 1; index < arguments.length; index++) { var nextSource = arguments[index]; if (nextSource != null) { // Skip over if undefined or null for (var nextKey in nextSource) { // Avoid bugs when hasOwnProperty is shadowed if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) { to[nextKey] = nextSource[nextKey]; } } } } return to; } 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; } }; // 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('[wxCharts] 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(distance, chartData, config, opts) { var dataChartAreaWidth = opts.width - config.padding - chartData.xAxisPoints[0]; var dataChartWidth = chartData.eachSpacing * opts.categories.length; var validDistance = distance; if (distance >= 0) { validDistance = 0; } else if (Math.abs(distance) >= dataChartWidth - dataChartAreaWidth) { validDistance = dataChartAreaWidth - dataChartWidth; } 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; } // fix issue https://github.com/xiaolin3303/wx-charts/issues/79 if (isNotMiddlePoint(points, i + 1)) { pBy = points[i + 1].y; } if (isNotMiddlePoint(points, i)) { pAy = points[i].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 fillSeriesColor(series, config) { var index = 0; return series.map(function(item) { if (!item.color) { item.color = config.colors[index]; index = (index + 1) % config.colors.length; } return item; }); } function fillSeriesType(series, opts) { return series.map(function(item) { if (!item.type) { item.type = opts.type; } 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 { limit = 0.01; } 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; // wx canvas 未实现measureText方法, 此处自行实现 // 适配修改初始字体10px为其他大小的方法 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) { var sum = new Array(series[0].data.length); 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) { //适配横屏 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) { //适配横屏 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') { let seriesItem = {}; seriesItem.color = item.color; seriesItem.type = item.type; seriesItem.style = item.style; seriesItem.shape = item.shape; seriesItem.disableLegend = item.disableLegend; seriesItem.name = item.name; 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) { return { text: option.format ? option.format(item, categories[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) { //console.log(color) 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 findCurrentIndex(currentPoints, xAxisPoints, opts, config) { var offset = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 0; var currentIndex = -1; if (isInExactChartArea(currentPoints, opts, config)) { xAxisPoints.forEach(function(item, index) { if (currentPoints.x + offset > item) { currentIndex = index; } }); } return currentIndex; } function isInExactChartArea(currentPoints, opts, config) { return currentPoints.x < opts.width - config.padding && currentPoints.x > config.padding + config.yAxisWidth + config.yAxisTitleWidth && currentPoints.y > config.padding && currentPoints.y < opts.height - config.legendHeight - config.xAxisHeight - config .padding; } 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 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) { if (opts.legend === false) { return { legendList: [], legendHeight: 0 }; } //适配H5高分屏 var padding = 5 * opts.pixelRatio; var marginTop = 8 * opts.pixelRatio; var shapeWidth = 15 * opts.pixelRatio; var legendList = []; var widthCount = 0; var currentRow = []; for (let i = 0; i < series.length; i++) { let item = series[i]; let itemWidth = 3 * padding + shapeWidth + measureText(item.name || 'undefined'); if (widthCount + itemWidth > opts.width) { legendList.push(currentRow); widthCount = itemWidth; currentRow = [item]; } else { widthCount += itemWidth; currentRow.push(item); } } if (currentRow.length) { legendList.push(currentRow); } return { legendList: legendList, legendHeight: legendList.length * (config.fontSize + marginTop) + padding }; } function calCategoriesData(categories, opts, config) { var result = { angle: 0, xAxisHeight: config.xAxisHeight }; var _getXAxisPoints = getXAxisPoints(categories, opts, config), eachSpacing = _getXAxisPoints.eachSpacing; // get max length of categories text var categoriesTextLenth = categories.map(function(item) { return measureText(item); }); 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 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.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 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 = dataArr.pop(); var maxData = dataArr.shift(); 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_ = 1 / series.length * process; } else { item._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._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 == 'default') { totalAngle = arcbarOption.startAngle - arcbarOption.endAngle + 1; } else { totalAngle = 2; } 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 = (eachSpacing - 2 * config.columePadding) / columnLen; if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) { // customer column width item.width = Math.min(item.width, +opts.extra.column.width); } else { // default width should less tran 25px // don't ask me why, I don't know item.width = Math.min(item.width, 25); } 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 = eachSpacing - 2 * config.columePadding; if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) { item.width = Math.min(item.width, +opts.extra.column.width); } else { item.width = Math.min(item.width, 25); } 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 = eachSpacing - 2 * config.columePadding; if (opts.extra.column && opts.extra.column.width && +opts.extra.column.width > 0) { item.width = Math.min(item.width, +opts.extra.column.width); } else { item.width = Math.min(item.width, 25); } return item; }); } function getXAxisPoints(categories, opts, config) { var yAxisTotalWidth = config.yAxisWidth + config.yAxisTitleWidth; var spacingValid = opts.width - 2 * config.padding - yAxisTotalWidth; var dataCount = opts.enableScroll ? Math.min(opts.xAxis.itemCount, categories.length) : categories.length; var eachSpacing = spacingValid / dataCount; var xAxisPoints = []; var startX = config.padding + yAxisTotalWidth; var endX = opts.width - config.padding; categories.forEach(function(item, index) { xAxisPoints.push(startX + index * eachSpacing); }); 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 - 2 * config.padding - config.xAxisHeight - config.legendHeight; 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 - config.xAxisHeight - config.legendHeight - Math.round(height) - config.padding; 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 points = []; var validHeight = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight; 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); var value = item; if (typeof item === 'object' && item !== null) { value = item.value } var height = validHeight * (value - minRange) / (maxRange - minRange); height *= process; point.y = opts.height - config.xAxisHeight - config.legendHeight - Math.round(height) - config.padding; 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 - 2 * config.padding - config.xAxisHeight - config.legendHeight; 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 - config.xAxisHeight - config.legendHeight - Math.round(height) - config.padding; point.y0 = opts.height - config.xAxisHeight - config.legendHeight - Math.round(heightc) - config.padding; points.push(point); } }); return points; } function getYAxisTextList(series, opts, config, stack) { var data; if (stack == 'stack') { //data = dataCombine(series); data = dataCombineStack(series); } else { data = dataCombine(series); } var sorted = []; // remove null from data data = data.filter(function(item) { //return item !== null; if (typeof item === 'object' && item !== null) { //判断是否为数组 if (item.constructor == Array) { return item !== null; } else { return item.value !== null; } } else { return item !== null; } }); //var minData = Math.min.apply(this, data); //var maxData = Math.max.apply(this, data); data.map((item) => { if (typeof item === 'object') { if (item.constructor == Array) { item.map((subitem) => { sorted.push(subitem); }) } else { sorted.push(item.value); } } else { sorted.push(item); } //typeof item === 'object' ? sorted.push(item.value) : 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); } 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); } // fix issue https://github.com/xiaolin3303/wx-charts/issues/9 if (minData === maxData) { var rangeSpan = maxData || 10; //minData -= rangeSpan; maxData += rangeSpan; } var dataRange = getDataRange(minData, maxData); var minRange = dataRange.minRange; var maxRange = dataRange.maxRange; var range = []; var eachRange = (maxRange - minRange) / config.yAxisSplit; for (var i = 0; i <= config.yAxisSplit; i++) { range.push(minRange + eachRange * i); } return range.reverse(); } function calYAxisData(series, opts, config) { //堆叠图重算Y轴 var columnstyle = assign({}, opts.extra.column || { "type": "" }); var ranges = getYAxisTextList(series, opts, config, columnstyle.type); var yAxisWidth = config.yAxisWidth; var rangesFormat = ranges.map(function(item) { item = util.toFixed(item, 2); item = opts.yAxis.format ? opts.yAxis.format(Number(item)) : item; yAxisWidth = Math.max(yAxisWidth, measureText(item) + 5); return item; }); if (opts.yAxis.disabled === true) { yAxisWidth = 0; } return { rangesFormat: rangesFormat, ranges: ranges, yAxisWidth: yAxisWidth }; } function calTooltipYAxisData(point, series, opts, config, eachSpacing) { var ranges = getYAxisTextList(series, opts, config); var spacingValid = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight; let maxVal = ranges[0]; let minVal = ranges[ranges.length - 1]; let minAxis = config.padding; let maxAxis = config.padding + spacingValid; let item = maxVal - (maxVal - minVal) * (point - minAxis) / (maxAxis - minAxis); item = opts.yAxis.format ? opts.yAxis.format(Number(item)) : item; return item; } 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(); context.setStrokeStyle("#ffffff"); context.setLineWidth(1 * opts.pixelRatio); context.setFillStyle(color); 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 + 3.5 * opts.pixelRatio, item.y); context.arc(item.x, item.y, 4 * 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) { 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 = (opts.width - textWidth) / 2 + (opts.subtitle.offsetX || 0); var startY = ((opts.height - config.legendHeight + 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 = (opts.width - _textWidth) / 2 + (opts.title.offsetX || 0); var _startY = ((opts.height - config.legendHeight + 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; var textColor = series.textColor == undefined ? '#666666' : series.textColor; points.forEach(function(item, index) { if (item !== null) { //var formatVal = series.format ? series.format(data[index]) : data[index]; context.beginPath(); context.setFontSize(config.fontSize); context.setFillStyle(textColor); var value = data[index] if (typeof data[index] === 'object' && data[index] !== null) { value = data[index].value } var formatVal = series.format ? series.format(value) : value; context.fillText(formatVal, item.x - measureText(formatVal) / 2, item.y - 2); 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) }; pos.x += centerPosition.x - measureText(nowNumber) / 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(nowNumber, 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 arc = 2 * Math.PI - (item._start_ + 2 * Math.PI * item._proportion_ / 2); var text = item.format ? item.format(+item._proportion_.toFixed(2)) : util.toFixed(item._proportion_ * 100) + '%'; var color = item.color; var radius = item._radius_; return { arc: arc, text: text, color: color, radius: radius }; }); 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); 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 }; 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(config.fontSize); context.setFillStyle('#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 = config.padding; var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight; if (toolTipOption.gridType == 'dash') { context.setLineDash([toolTipOption.dashLength, toolTipOption.dashLength]); } context.beginPath(); context.setStrokeStyle(toolTipOption.gridColor || '#cccccc'); context.setLineWidth(1 * opts.pixelRatio); context.moveTo(offsetX, startY); context.lineTo(offsetX, endY); context.closePath(); context.stroke(); context.setLineDash([]); if (toolTipOption.xAxisLabel) { let lableText = opts.categories[opts.tooltip.index]; context.setFontSize(config.fontSize); let textWidth = context.measureText(lableText).width; let textX = offsetX - config.toolTipPadding - 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, 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(lableText, textX + 2 * config.toolTipPadding, textY + config.toolTipPadding + config.fontSize); context.closePath(); context.stroke(); } } function drawToolTipHorizentalLine(opts, config, context, eachSpacing, xAxisPoints) { var toolTipOption = opts.extra.tooltip || {}; toolTipOption.gridType = toolTipOption.gridType == undefined ? 'solid' : toolTipOption.gridType; toolTipOption.dashLength = toolTipOption.dashLength == undefined ? 4 : toolTipOption.dashLength; var startX = config.padding + config.yAxisWidth + config.yAxisTitleWidth; var endX = opts.width - config.padding; if (toolTipOption.gridType == 'dash') { context.setLineDash([toolTipOption.dashLength, toolTipOption.dashLength]); } context.beginPath(); context.setStrokeStyle(toolTipOption.gridColor || '#cccccc'); context.setLineWidth(1 * opts.pixelRatio); context.moveTo(startX, opts.tooltip.offset.y); context.lineTo(endX, opts.tooltip.offset.y); context.closePath(); context.stroke(); context.setLineDash([]); if (toolTipOption.yAxisLabel) { let lableText = calTooltipYAxisData(opts.tooltip.offset.y, opts.series, opts, config, eachSpacing); context.setFontSize(config.fontSize); let textWidth = context.measureText(lableText).width; let textX = startX - 2 * config.toolTipPadding - textWidth; 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(textX, textY - 0.5 * config.fontSize - config.toolTipPadding, 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(lableText, textX + config.toolTipPadding, textY + 0.5 * config.fontSize); context.closePath(); context.stroke(); } } function drawToolTipSplitArea(offsetX, opts, config, context, eachSpacing) { var toolTipOption = opts.extra.tooltip || { activeBgColor: '#000000', activeBgOpacity: 0.08 }; toolTipOption.activeBgColor = toolTipOption.activeBgColor ? toolTipOption.activeBgColor : '#000000'; toolTipOption.activeBgOpacity = toolTipOption.activeBgOpacity ? toolTipOption.activeBgOpacity : 0.08; var startY = config.padding; var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight; 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 = opts.extra.tooltip || { bgColor: '#000000', bgOpacity: 0.7, fontColor: '#FFFFFF' }; toolTipOption.bgColor = toolTipOption.bgColor ? toolTipOption.bgColor : '#000000'; toolTipOption.bgOpacity = toolTipOption.bgOpacity ? toolTipOption.bgOpacity : 0.7; toolTipOption.fontColor = toolTipOption.fontColor ? toolTipOption.fontColor : '#FFFFFF'; 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); }); var toolTipWidth = legendWidth + legendMarginRight + 4 * config.toolTipPadding + Math.max.apply(null, textWidth); var toolTipHeight = 2 * config.toolTipPadding + textList.length * config.toolTipLineHeight; // if beyond the right border if (offset.x - Math.abs(opts._scrollDistance_) + arrowWidth + toolTipWidth > opts.width) { isOverRightBorder = true; } // 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, config.padding + 0.5 * config.fontSize); context.closePath(); context.stroke(); context.restore(); } function drawColumnDataPoints(series, opts, config, context) { var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1; var columnOption = opts.extra.column || { type: {}, meter: {} }; columnOption.type = columnOption.type == undefined ? 'group' : columnOption.type; columnOption.meter = columnOption.meter || {} columnOption.meter.border = columnOption.meter.border == undefined ? 4 : columnOption.meter.border; columnOption.meter.fillColor = columnOption.meter.fillColor == undefined ? '#FFFFFF' : columnOption.meter.fillColor; var _calYAxisData = calYAxisData(series, opts, config), ranges = _calYAxisData.ranges; var _getXAxisPoints = getXAxisPoints(opts.categories, opts, config), xAxisPoints = _getXAxisPoints.xAxisPoints, eachSpacing = _getXAxisPoints.eachSpacing; var minRange = ranges.pop(); var maxRange = ranges.shift(); var calPoints = []; 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) { drawToolTipSplitArea(opts.tooltip.offset.x, opts, config, context, eachSpacing); } series.forEach(function(eachSeries, seriesIndex) { 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); points.forEach(function(item, index) { if (item !== null) { context.beginPath(); context.setFillStyle(item.color || eachSeries.color); var startX = item.x - item.width / 2 + 1; var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight; context.moveTo(startX, item.y); context.fillRect(startX, item.y, item.width - 2, height); context.closePath(); 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); points.forEach(function(item, index) { if (item !== null) { context.beginPath(); context.setFillStyle(item.color || eachSeries.color); var startX = item.x - item.width / 2 + 1; var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight; var height0 = opts.height - item.y0 - config.padding - config.xAxisHeight - config.legendHeight; 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) { points.forEach(function(item, index) { if (item !== null) { //画背景颜色 context.beginPath(); context.setFillStyle(columnOption.meter.fillColor); var startX = item.x - item.width / 2 + 1; var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight; context.moveTo(startX, item.y); context.fillRect(startX, item.y, item.width - 2, height); context.closePath(); context.fill(); //画边框线 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, item.y + columnOption.meter.border * 0.5); context.lineTo(startX + item.width - columnOption.meter.border, item.y + height); context.stroke(); } }); } else { points.forEach(function(item, index) { if (item !== null) { context.beginPath(); context.setFillStyle(item.color || eachSeries.color); var startX = item.x - item.width / 2 + 1; var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight; context.moveTo(startX, item.y); context.rect(startX, item.y, item.width - 2, height); context.closePath(); context.fill(); } }); } break; } }); if (opts.dataLabel !== false && process === 1) { series.forEach(function(eachSeries, seriesIndex) { 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 = opts.extra.candle || { color: {}, average: {} }; candleOption.color.upLine = candleOption.color.upLine ? candleOption.color.upLine : '#f04864'; candleOption.color.upFill = candleOption.color.upFill ? candleOption.color.upFill : '#f04864'; candleOption.color.downLine = candleOption.color.downLine ? candleOption.color.downLine : '#2fc25b'; candleOption.color.downFill = candleOption.color.downFill ? candleOption.color.downFill : '#2fc25b'; candleOption.average.show = candleOption.average.show === true ? true : false; candleOption.average.name = candleOption.average.name ? candleOption.average.name : []; candleOption.average.day = candleOption.average.day ? candleOption.average.day : []; candleOption.average.color = candleOption.average.color ? candleOption.average.color : ['#1890ff', '#2fc25b', '#facc14', '#f04864', '#8543e0', '#90ed7d' ]; opts.extra.candle = candleOption; var _calYAxisData5 = calYAxisData(series, opts, config), ranges = _calYAxisData5.ranges; var _getXAxisPoints5 = getXAxisPoints(opts.categories, opts, config), xAxisPoints = _getXAxisPoints5.xAxisPoints, eachSpacing = _getXAxisPoints5.eachSpacing; var minRange = ranges.pop(); var maxRange = ranges.shift(); var calPoints = []; context.save(); if (opts._scrollDistance_ && opts._scrollDistance_ !== 0 && opts.enableScroll === true) { context.translate(opts._scrollDistance_, 0); } //画均线 if (candleOption.average.show) { seriesMA.forEach(function(eachSeries, seriesIndex) { var data = eachSeries.data; var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process); //calPoints.push(points); var splitPointList = splitPoints(points); splitPointList.forEach(function(points, index) { 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); points.forEach(function(item, index) { if (index > 0) { var ctrlPoint = createCurveControlPoints(points, index - 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) { var data = eachSeries.data; var points = getCandleDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process); calPoints.push(points); var splitPointList = splitPoints(points); splitPointList = splitPointList[0]; splitPointList.forEach(function(points, index) { context.beginPath(); //如果上涨 if (data[index][1] - data[index][0] > 0) { context.setStrokeStyle(candleOption.color.upLine); context.setFillStyle(candleOption.color.upFill); context.setLineWidth(1 * opts.pixelRatio); context.moveTo(points[3].x, points[3].y); //顶点 context.lineTo(points[1].x, points[1].y); //收盘中间点 context.lineTo(points[1].x - eachSpacing / 4, points[1].y); //收盘左侧点 context.lineTo(points[0].x - eachSpacing / 4, points[0].y); //开盘左侧点 context.lineTo(points[0].x, points[0].y); //开盘中间点 context.lineTo(points[2].x, points[2].y); //底点 context.lineTo(points[0].x, points[0].y); //开盘中间点 context.lineTo(points[0].x + eachSpacing / 4, points[0].y); //开盘右侧点 context.lineTo(points[1].x + eachSpacing / 4, points[1].y); //收盘右侧点 context.lineTo(points[1].x, points[1].y); //收盘中间点 context.moveTo(points[3].x, points[3].y); //顶点 } else { context.setStrokeStyle(candleOption.color.downLine); context.setFillStyle(candleOption.color.downFill); context.setLineWidth(1 * opts.pixelRatio); context.moveTo(points[3].x, points[3].y); //顶点 context.lineTo(points[0].x, points[0].y); //开盘中间点 context.lineTo(points[0].x - eachSpacing / 4, points[0].y); //开盘左侧点 context.lineTo(points[1].x - eachSpacing / 4, points[1].y); //收盘左侧点 context.lineTo(points[1].x, points[1].y); //收盘中间点 context.lineTo(points[2].x, points[2].y); //底点 context.lineTo(points[1].x, points[1].y); //收盘中间点 context.lineTo(points[1].x + eachSpacing / 4, points[1].y); //收盘右侧点 context.lineTo(points[0].x + eachSpacing / 4, points[0].y); //开盘右侧点 context.lineTo(points[0].x, points[0].y); //开盘中间点 context.moveTo(points[3].x, points[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 = opts.extra.area || { type: 'straight', opacity: 0.5, addLine: false, width: 2 }; areaOption.type = areaOption.type ? areaOption.type : 'straight'; areaOption.opacity = areaOption.opacity ? areaOption.opacity : 0.2; areaOption.addLine = areaOption.addLine == true ? true : false; areaOption.width = areaOption.width ? areaOption.width : 2; var _calYAxisData2 = calYAxisData(series, opts, config), ranges = _calYAxisData2.ranges; var _getXAxisPoints2 = getXAxisPoints(opts.categories, opts, config), xAxisPoints = _getXAxisPoints2.xAxisPoints, eachSpacing = _getXAxisPoints2.eachSpacing; var minRange = ranges.pop(); var maxRange = ranges.shift(); var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight; var calPoints = []; 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) { drawToolTipSplitLine(opts.tooltip.offset.x, opts, config, context); } series.forEach(function(eachSeries, seriesIndex) { 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)); 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); if (areaOption.type === 'curve') { points.forEach(function(item, index) { if (index > 0) { let ctrlPoint = createCurveControlPoints(points, index - 1); context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item .y); } }); } else { points.forEach(function(item, index) { if (index > 0) { 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) { 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); if (areaOption.type === 'curve') { points.forEach(function(item, index) { if (index > 0) { let ctrlPoint = createCurveControlPoints(points, index - 1); context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y); } }); } else { points.forEach(function(item, index) { if (index > 0) { context.lineTo(item.x, item.y); } }); } context.moveTo(points[0].x, points[0].y); } context.closePath(); context.stroke(); } } //画点 if (opts.dataPointShape !== false) { var shape = config.dataPointShape[seriesIndex % config.dataPointShape.length]; drawPointShape(points, eachSeries.color, shape, context, opts); } }); if (opts.dataLabel !== false && process === 1) { series.forEach(function(eachSeries, seriesIndex) { 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 = opts.extra.line || { type: 'straight', width: 2 }; lineOption.type = lineOption.type ? lineOption.type : 'straight'; lineOption.width = lineOption.width ? lineOption.width : 2; var _calYAxisData3 = calYAxisData(series, opts, config), ranges = _calYAxisData3.ranges; var _getXAxisPoints3 = getXAxisPoints(opts.categories, opts, config), xAxisPoints = _getXAxisPoints3.xAxisPoints, eachSpacing = _getXAxisPoints3.eachSpacing; var minRange = ranges.pop(); var maxRange = ranges.shift(); var calPoints = []; 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) { drawToolTipSplitLine(opts.tooltip.offset.x, opts, config, context); } series.forEach(function(eachSeries, seriesIndex) { var data = eachSeries.data; var points = getDataPoints(data, minRange, maxRange, xAxisPoints, eachSpacing, opts, config, process); calPoints.push(points); var splitPointList = splitPoints(points); splitPointList.forEach(function(points, index) { context.beginPath(); context.setStrokeStyle(eachSeries.color); context.setLineWidth(lineOption.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); if (lineOption.type === 'curve') { points.forEach(function(item, index) { if (index > 0) { var ctrlPoint = createCurveControlPoints(points, index - 1); context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item .y); } }); } else { points.forEach(function(item, index) { if (index > 0) { context.lineTo(item.x, item.y); } }); } context.moveTo(points[0].x, points[0].y); } context.closePath(); context.stroke(); }); if (opts.dataPointShape !== false) { var shape = config.dataPointShape[seriesIndex % config.dataPointShape.length]; drawPointShape(points, eachSeries.color, shape, context, opts); } }); if (opts.dataLabel !== false && process === 1) { series.forEach(function(eachSeries, seriesIndex) { 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) { var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1; var _calYAxisData6 = calYAxisData(series, opts, config), ranges = _calYAxisData6.ranges; var _getXAxisPoints6 = getXAxisPoints(opts.categories, opts, config), xAxisPoints = _getXAxisPoints6.xAxisPoints, eachSpacing = _getXAxisPoints6.eachSpacing; var minRange = ranges.pop(); var maxRange = ranges.shift(); var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight; var calPoints = []; var columnIndex = 0; var columnLength = 0; series.forEach(function(eachSeries, seriesIndex) { if (eachSeries.type == 'column') { columnLength += 1; } }); 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) { drawToolTipSplitLine(opts.tooltip.offset.x, opts, config, context); } series.forEach(function(eachSeries, seriesIndex) { 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); points.forEach(function(item, index) { if (item !== null) { context.beginPath(); context.setFillStyle(item.color || eachSeries.color); var startX = item.x - item.width / 2 + 1; var height = opts.height - item.y - config.padding - config.xAxisHeight - config.legendHeight; context.moveTo(startX, item.y); context.rect(startX, item.y, item.width - 2, height); 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(eachSeries.color); context.setGlobalAlpha(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); if (eachSeries.style === 'curve') { points.forEach(function(item, index) { if (index > 0) { var ctrlPoint = createCurveControlPoints(points, index - 1); context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y); } }); } else { points.forEach(function(item, index) { if (index > 0) { 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(); context.setGlobalAlpha(1); } } // 绘制折线数据图 if (eachSeries.type == 'line') { var splitPointList = splitPoints(points); splitPointList.forEach(function(points, index) { 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); if (eachSeries.style == 'curve') { points.forEach(function(item, index) { if (index > 0) { var ctrlPoint = createCurveControlPoints(points, index - 1); context.bezierCurveTo(ctrlPoint.ctrA.x, ctrlPoint.ctrA.y, ctrlPoint.ctrB.x, ctrlPoint.ctrB.y, item.x, item.y); } }); } else { points.forEach(function(item, index) { if (index > 0) { context.lineTo(item.x, item.y); } }); } context.moveTo(points[0].x, points[0].y); } context.closePath(); context.stroke(); }); } // 绘制点数据图 if (eachSeries.type == 'point') { var splitPointList = splitPoints(points); splitPointList.forEach(function(points, index) { context.beginPath(); context.setStrokeStyle(eachSeries.color); context.setLineWidth(2 * opts.pixelRatio); context.moveTo(points[0].x, points[0].y); context.arc(points[0].x, points[0].y, 1, 0, 2 * Math.PI); context.closePath(); context.stroke(); }); } if (opts.dataPointShape !== false && eachSeries.type !== 'column') { var shape = config.dataPointShape[seriesIndex % config.dataPointShape.length]; drawPointShape(points, eachSeries.color, shape, context, opts); } }); if (opts.dataLabel !== false && process === 1) { var columnIndex = 0; series.forEach(function(eachSeries, seriesIndex) { 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) { var _getXAxisPoints4 = getXAxisPoints(categories, opts, config), xAxisPoints = _getXAxisPoints4.xAxisPoints, startX = _getXAxisPoints4.startX, endX = _getXAxisPoints4.endX, eachSpacing = _getXAxisPoints4.eachSpacing; var startY = opts.height - config.padding - config.xAxisHeight - config.legendHeight; var endY = config.padding; //绘制滚动条 if (opts.enableScroll && opts.xAxis.scrollShow) { var scrollY = opts.height - config.padding - config.legendHeight + 6 * opts.pixelRatio; 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.setLineCap('butt'); context.closePath(); } context.save(); if (opts._scrollDistance_ && opts._scrollDistance_ !== 0) { context.translate(opts._scrollDistance_, 0); } context.beginPath(); 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]); } if (opts.xAxis.disableGrid !== true) { if (opts.xAxis.type === 'calibration') { xAxisPoints.forEach(function(item, index) { if (index > 0) { context.moveTo(item - eachSpacing / 2, startY); context.lineTo(item - eachSpacing / 2, startY + 4 * opts.pixelRatio); } }); } else { xAxisPoints.forEach(function(item, index) { context.moveTo(item, startY); context.lineTo(item, endY); }); } } context.closePath(); context.stroke(); context.setLineDash([]); //不绘制X轴 if (opts.xAxis.disabled !== true) { // 对X轴列表做抽稀处理 let validWidth = opts.width - 2 * config.padding - config.yAxisWidth - config.yAxisTitleWidth; //默认全部显示X轴标签 let maxXAxisListLength = categories.length; //如果不旋转X轴文案 if (config._xAxisTextAngle_ === 0) { //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; } } else { //旋转标签文案 maxXAxisListLength = Math.min(categories.length, Math.ceil(validWidth / config.fontSize / 1.5)); } 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]; /* categories = categories.map(function (item, index) { return index % ratio !== 0 ? '' : item; });*/ if (config._xAxisTextAngle_ === 0) { newCategories.forEach(function(item, index) { var offset = eachSpacing / 2 - measureText(item) / 2; context.beginPath(); context.setFontSize(config.fontSize); context.setFillStyle(opts.xAxis.fontColor || '#666666'); context.fillText(item, xAxisPoints[index] + offset, startY + config.fontSize + 5); context.closePath(); context.stroke(); }); } else { newCategories.forEach(function(item, index) { context.save(); context.beginPath(); context.setFontSize(config.fontSize); context.setFillStyle(opts.xAxis.fontColor || '#666666'); var textWidth = measureText(item); var offset = eachSpacing / 2 - textWidth; var _calRotateTranslate = calRotateTranslate(xAxisPoints[index] + eachSpacing / 2, startY + config.fontSize / 2 + 5, opts.height), transX = _calRotateTranslate.transX, transY = _calRotateTranslate.transY; context.rotate(-1 * config._xAxisTextAngle_); context.translate(transX, transY); context.fillText(item, xAxisPoints[index] + offset, startY + config.fontSize + 5); context.closePath(); context.stroke(); context.restore(); }); } } context.restore(); } function drawYAxisGrid(categories, opts, config, context) { if (opts.yAxis.disableGrid === true) { return; } var spacingValid = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight; var eachSpacing = Math.floor(spacingValid / config.yAxisSplit); var yAxisTotalWidth = config.yAxisWidth + config.yAxisTitleWidth; var startX = config.padding + yAxisTotalWidth; var _getXAxisPoints4 = getXAxisPoints(categories, opts, config), xAxisPoints = _getXAxisPoints4.xAxisPoints, xAxiseachSpacing = _getXAxisPoints4.eachSpacing; var TotalWidth = xAxiseachSpacing * (xAxisPoints.length - 1); var endX = startX + TotalWidth; var points = []; for (var i = 0; i < config.yAxisSplit; i++) { points.push(config.padding + eachSpacing * i); } points.push(config.padding + eachSpacing * config.yAxisSplit + 2); 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.beginPath(); context.setStrokeStyle(opts.yAxis.gridColor || "#cccccc"); context.setLineWidth(1 * opts.pixelRatio); points.forEach(function(item, index) { context.moveTo(startX, item); context.lineTo(endX, item); }); context.closePath(); context.stroke(); context.setLineDash([]); context.restore(); } function drawYAxis(series, opts, config, context) { if (opts.yAxis.disabled === true) { return; } var _calYAxisData4 = calYAxisData(series, opts, config), rangesFormat = _calYAxisData4.rangesFormat; var yAxisTotalWidth = config.yAxisWidth + config.yAxisTitleWidth; var spacingValid = opts.height - 2 * config.padding - config.xAxisHeight - config.legendHeight; var eachSpacing = Math.floor(spacingValid / config.yAxisSplit); var startX = config.padding + yAxisTotalWidth; var endX = opts.width - config.padding; var endY = opts.height - config.padding - config.xAxisHeight - config.legendHeight + config.xAxisTextPadding; // set YAxis background context.beginPath(); context.setFillStyle(opts.background || '#ffffff'); if (opts._scrollDistance_ < 0) { context.fillRect(0, 0, startX, endY + config.xAxisHeight); } context.fillRect(endX, 0, opts.width, endY + config.xAxisHeight); context.closePath(); context.stroke(); var points = []; for (var i = 0; i <= config.yAxisSplit; i++) { points.push(config.padding + eachSpacing * i); } rangesFormat.forEach(function(item, index) { var pos = points[index] ? points[index] : endY; context.beginPath(); context.setFontSize(config.fontSize); context.setFillStyle(opts.yAxis.fontColor || '#666666'); context.fillText(item, config.padding + config.yAxisTitleWidth, pos + config.fontSize / 2); context.closePath(); context.stroke(); }); if (opts.yAxis.title) { drawYAxisTitle(opts.yAxis.title, opts, config, context); } } function drawLegend(series, opts, config, context) { if (opts.legend === false) { return; } // each legend shape width 15px // the spacing between shape and text in each legend is the `padding` // each legend spacing is the `padding` // legend margin top `config.padding` var _calLegendData = calLegendData(series, opts, config), legendList = _calLegendData.legendList; var padding = 5 * opts.pixelRatio; var marginTop = 10 * opts.pixelRatio; var shapeWidth = 15 * opts.pixelRatio; legendList.forEach(function(itemList, listIndex) { var width = 0; for (let i = 0; i < itemList.length; i++) { let item = itemList[i]; item.name = item.name || 'undefined'; width += 3 * padding + measureText(item.name) + shapeWidth; } var startX = (opts.width - width) / 2 + padding; var startY = opts.height - config.padding - config.legendHeight + listIndex * (config.fontSize + marginTop) + padding + marginTop; context.setFontSize(config.fontSize); for (let i = 0; i < itemList.length; i++) { let item = itemList[i]; switch (opts.type) { case 'line': context.beginPath(); context.setLineWidth(1 * opts.pixelRatio); context.setStrokeStyle(item.color); context.setFillStyle(item.color); context.moveTo(startX + 7.5 * opts.pixelRatio, startY + 5 * opts.pixelRatio); context.arc(startX + 7.5 * opts.pixelRatio, startY + 5 * opts.pixelRatio, 6 * opts.pixelRatio, 0, 2 * Math.PI); context.closePath(); context.fill(); context.stroke(); break; case 'pie': context.beginPath(); context.setLineWidth(1 * opts.pixelRatio); context.setStrokeStyle(item.color); context.setFillStyle(item.color); context.moveTo(startX + 7.5 * opts.pixelRatio, startY + 5 * opts.pixelRatio); context.arc(startX + 7.5 * opts.pixelRatio, startY + 5 * opts.pixelRatio, 6 * opts.pixelRatio, 0, 2 * Math.PI); context.closePath(); context.fill(); context.stroke(); break; case 'ring': case 'rose': context.beginPath(); context.setLineWidth(1 * opts.pixelRatio); context.setStrokeStyle(item.color); context.setFillStyle(item.color); context.moveTo(startX + 7.5 * opts.pixelRatio, startY + 5 * opts.pixelRatio); context.arc(startX + 7.5 * opts.pixelRatio, startY + 5 * opts.pixelRatio, 6 * opts.pixelRatio, 0, 2 * Math.PI); context.closePath(); context.fill(); context.stroke(); break; //圆弧进度图不显示图例 case 'gauge': break; case 'arcbar': break; default: context.beginPath(); context.setLineWidth(1 * opts.pixelRatio); context.setStrokeStyle(item.color); context.setFillStyle(item.color); context.moveTo(startX, startY); context.fillRect(startX, startY, 15 * opts.pixelRatio, 10 * opts.pixelRatio); context.closePath(); context.fill(); context.stroke(); } startX += padding + shapeWidth; context.beginPath(); context.setFontSize(config.fontSize); context.setFillStyle(opts.extra.legendTextColor || '#333333'); context.fillText(item.name, startX, startY + 6 * opts.pixelRatio + 3 * opts.pixelRatio); context.closePath(); context.stroke(); startX += measureText(item.name) + 2 * padding; } }); } function drawPieDataPoints(series, opts, config, context) { var process = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 1; var pieOption = opts.extra.pie || {}; var centerPosition = { x: opts.width / 2, y: (opts.height - config.legendHeight) / 2 }; var radius = Math.min(centerPosition.x - config.pieChartLinePadding - config.pieChartTextPadding - config._pieTextMaxLength_, centerPosition.y - config.pieChartLinePadding - config.pieChartTextPadding); if (opts.dataLabel) { radius -= 10; } else { radius -= 2 * config.padding; } series = getPieDataPoints(series, radius, process); var activeRadius = config.pieChartLinePadding / 2; series = series.map(function(eachSeries) { eachSeries._start_ += (pieOption.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, 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(2 * opts.pixelRatio); context.lineJoin = "round"; context.setStrokeStyle('#ffffff'); 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 (opts.disablePieStroke !== 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) { // fix https://github.com/xiaolin3303/wx-charts/issues/132 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); } 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 = opts.extra.rose || {}; roseOption.type = roseOption.type || 'area'; var centerPosition = { x: opts.width / 2, y: (opts.height - config.legendHeight) / 2 }; var radius = Math.min(centerPosition.x - config.pieChartLinePadding - config.pieChartTextPadding - config._pieTextMaxLength_, centerPosition.y - config.pieChartLinePadding - config.pieChartTextPadding); if (opts.dataLabel) { radius -= 10; } else { radius -= 2 * config.padding; } var minRadius = roseOption.minRadius || radius*0.5; series = getRoseDataPoints(series, roseOption.type, minRadius, radius, process); var activeRadius = config.pieChartLinePadding / 2; 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._proportion_ * Math.PI); context.closePath(); context.fill(); } } context.beginPath(); context.setLineWidth(2 * opts.pixelRatio); context.lineJoin = "round"; context.setStrokeStyle('#ffffff'); 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 (opts.disablePieStroke !== true) { context.stroke(); } }); if (opts.dataLabel !== false && process === 1) { // fix https://github.com/xiaolin3303/wx-charts/issues/132 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 = opts.extra.arcbar || {}; arcbarOption.startAngle = arcbarOption.startAngle ? arcbarOption.startAngle : 0.75; arcbarOption.endAngle = arcbarOption.endAngle ? arcbarOption.endAngle : 0.25; arcbarOption.type = arcbarOption.type ? arcbarOption.type : 'default'; series = getArcbarDataPoints(series, arcbarOption, process); var centerPosition = { x: opts.width / 2, y: (opts.height) / 2 }; var radius = Math.min(centerPosition.x, centerPosition.y); if (typeof arcbarOption.width === 'number' && arcbarOption.width > 0) { arcbarOption.width = arcbarOption.width; } else { arcbarOption.width = 12 * opts.pixelRatio; } radius -= config.padding + arcbarOption.width / 2; //背景颜色 context.setLineWidth(arcbarOption.width); // 设置圆环的宽度 context.setStrokeStyle(arcbarOption.backgroundColor || '#E9E9E9'); // 设置圆环的颜色 context.setLineCap('round'); // 设置圆环端点的形状 context.beginPath(); //开始一个新的路径 if (arcbarOption.type == 'default') { context.arc(centerPosition.x, centerPosition.y, radius, arcbarOption.startAngle * Math.PI, arcbarOption.endAngle * Math.PI, false); } else { context.arc(centerPosition.x, centerPosition.y, radius, 0, 2 * Math.PI, false); } context.stroke(); //对当前路径进行描边 for (let i = 0; i < series.length; i++) { let eachSeries = series[i]; context.setLineWidth(arcbarOption.width); context.setStrokeStyle(eachSeries.color); context.setLineCap('round'); context.beginPath(); context.arc(centerPosition.x, centerPosition.y, radius, arcbarOption.startAngle * Math.PI, eachSeries._proportion_ * Math.PI, false); context.stroke(); } drawRingTitle(opts, config, context); 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 = opts.extra.gauge || {}; gaugeOption.startAngle = gaugeOption.startAngle ? gaugeOption.startAngle : 0.75; if (gaugeOption.oldAngle == undefined) { gaugeOption.oldAngle = gaugeOption.startAngle; } if (gaugeOption.oldData == undefined) { gaugeOption.oldData = 0; } gaugeOption.endAngle = gaugeOption.endAngle ? gaugeOption.endAngle : 0.25; 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); if (typeof gaugeOption.width === 'number' && gaugeOption.width > 0) { gaugeOption.width = gaugeOption.width; } else { gaugeOption.width = 15 * opts.pixelRatio; } radius -= config.padding + gaugeOption.width / 2; var innerRadius = radius - gaugeOption.width; //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 let totalAngle = gaugeOption.startAngle - gaugeOption.endAngle + 1; gaugeOption.splitLine.fixRadius = gaugeOption.splitLine.fixRadius ? gaugeOption.splitLine.fixRadius : 0; gaugeOption.splitLine.splitNumber = gaugeOption.splitLine.splitNumber ? gaugeOption.splitLine.splitNumber : 10; gaugeOption.splitLine.width = gaugeOption.splitLine.width ? gaugeOption.splitLine.width : 15 * opts.pixelRatio; gaugeOption.splitLine.color = gaugeOption.splitLine.color ? gaugeOption.splitLine.color : '#FFFFFF'; gaugeOption.splitLine.childNumber = gaugeOption.splitLine.childNumber ? gaugeOption.splitLine.childNumber : 5; gaugeOption.splitLine.childWidth = gaugeOption.splitLine.childWidth ? gaugeOption.splitLine.childWidth : 5 * opts.pixelRatio; 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 gaugeOption.pointer.width = gaugeOption.pointer.width ? gaugeOption.pointer.width : 15 * opts.pixelRatio; if (gaugeOption.pointer.color == undefined || gaugeOption.pointer.color == 'auto') { gaugeOption.pointer.color == 'auto'; } else { gaugeOption.pointer.color == gaugeOption.pointer.color; } 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); } drawRingTitle(opts, config, context); if (process === 1 && opts.type === 'gauge') { gaugeOption.oldAngle = series[0]._proportion_; gaugeOption.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 = opts.extra.radar || {}; var coordinateAngle = getRadarCoordinateSeries(opts.categories.length); var centerPosition = { x: opts.width / 2, y: (opts.height - config.legendHeight) / 2 }; var radius = Math.min(centerPosition.x - (getMaxTextListLength(opts.categories) + config.radarLabelTextMargin), centerPosition.y - config.radarLabelTextMargin); radius -= config.padding; // draw grid context.beginPath(); context.setLineWidth(1 * opts.pixelRatio); context.setStrokeStyle(radarOption.gridColor || "#cccccc"); 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 || "#cccccc"); coordinateAngle.forEach(function (angle, index) { var pos = convertCoordinateOrigin(radius / config.radarGridCount * i * Math.cos(angle), radius / config.radarGridCount * 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 <= config.radarGridCount; 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(eachSeries.color); context.setGlobalAlpha(0.3); 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(); context.setGlobalAlpha(1); if (opts.dataPointShape !== false) { var shape = config.dataPointShape[seriesIndex % config.dataPointShape.length]; var points = eachSeries.data.map(function(item) { return item.position; }); drawPointShape(points, eachSeries.color, shape, context, opts); } }); // draw label text drawRadarLabel(coordinateAngle, radius, centerPosition, opts, config, context); return { center: centerPosition, radius: radius, angleList: coordinateAngle }; } 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; var createAnimationFrame = function createAnimationFrame() { if (typeof requestAnimationFrame !== 'undefined') { return requestAnimationFrame; } else if (typeof setTimeout !== 'undefined') { return function(step, delay) { setTimeout(function() { var timeStamp = +new Date(); step(timeStamp); }, delay); }; } 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 = fillSeriesColor(series, config); series = fillSeriesType(series, opts); let 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); opts.seriesMA = seriesMA; } } var _calLegendData = calLegendData(series, opts, config), legendHeight = _calLegendData.legendHeight; config.legendHeight = legendHeight; var _calYAxisData = calYAxisData(series, opts, config), yAxisWidth = _calYAxisData.yAxisWidth; config.yAxisWidth = yAxisWidth; if (categories && categories.length) { var _calCategoriesData = calCategoriesData(categories, opts, config), xAxisHeight = _calCategoriesData.xAxisHeight, angle = _calCategoriesData.angle; config.xAxisHeight = xAxisHeight; config._xAxisTextAngle_ = angle; } if (type === 'pie' || type === 'ring' || type === 'rose') { config._pieTextMaxLength_ = opts.dataLabel === false ? 0 : getPieTextMaxLength(series); } var duration = opts.animation ? 1000 : 0; this.animationInstance && this.animationInstance.stop(); //先清空画布,不然百度和支付宝ToolTip有重影 context.clearRect(0, 0, opts.width, opts.height); switch (type) { case 'line': this.animationInstance = new Animation({ timing: 'easeIn', duration: duration, onProcess: function onProcess(process) { 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; _this.chartData.xAxisPoints = xAxisPoints; _this.chartData.calPoints = calPoints; _this.chartData.eachSpacing = eachSpacing; drawLegend(opts.series, opts, config, context); drawYAxis(series, opts, config, context); 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) { 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; _this.chartData.xAxisPoints = xAxisPoints; _this.chartData.calPoints = calPoints; _this.chartData.eachSpacing = eachSpacing; drawLegend(opts.series, opts, config, context); drawYAxis(series, opts, config, context); 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) { 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; _this.chartData.xAxisPoints = xAxisPoints; _this.chartData.calPoints = calPoints; _this.chartData.eachSpacing = eachSpacing; drawLegend(opts.series, opts, config, context); drawYAxis(series, opts, config, context); 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) { 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; _this.chartData.xAxisPoints = xAxisPoints; _this.chartData.calPoints = calPoints; _this.chartData.eachSpacing = eachSpacing; drawLegend(opts.series, opts, config, context); drawYAxis(series, opts, config, context); 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) { if (opts.rotate) { contextRotate(context, opts); } _this.chartData.pieData = drawPieDataPoints(series, opts, config, context, process); drawLegend(opts.series, opts, config, context); 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) { if (opts.rotate) { contextRotate(context, opts); } _this.chartData.pieData = drawRoseDataPoints(series, opts, config, context, process); drawLegend(opts.series, opts, config, context); 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) { if (opts.rotate) { contextRotate(context, opts); } _this.chartData.radarData = drawRadarDataPoints(series, opts, config, context, process); drawLegend(opts.series, opts, config, context); 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) { if (opts.rotate) { contextRotate(context, opts); } _this.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) { if (opts.rotate) { contextRotate(context, opts); } _this.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) { 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; _this.chartData.xAxisPoints = xAxisPoints; _this.chartData.calPoints = calPoints; _this.chartData.eachSpacing = eachSpacing; if (seriesMA) { drawLegend(seriesMA, opts, config, context); } else { drawLegend(opts.series, opts, config, context); } drawYAxis(series, opts, config, context); 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.fontSize = opts.fontSize ? opts.fontSize * opts.pixelRatio : 13 * opts.pixelRatio; opts.title = opts.title || {}; opts.subtitle = opts.subtitle || {}; opts.yAxis = opts.yAxis || {}; opts.yAxis.gridType = opts.yAxis.gridType ? opts.yAxis.gridType : 'solid'; opts.yAxis.dashLength = opts.yAxis.dashLength ? opts.yAxis.dashLength : 4 * opts.pixelRatio; opts.xAxis = opts.xAxis || {}; opts.xAxis.rotateLabel = opts.xAxis.rotateLabel ? true : false; opts.xAxis.type = opts.xAxis.type ? opts.xAxis.type : 'calibration'; opts.xAxis.gridType = opts.xAxis.gridType ? opts.xAxis.gridType : 'solid'; opts.xAxis.dashLength = opts.xAxis.dashLength ? opts.xAxis.dashLength : 4 * opts.pixelRatio; // opts.xAxis.itemCount = opts.xAxis.itemCount ? opts.xAxis.itemCount : 5; opts.xAxis.scrollAlign = opts.xAxis.scrollAlign ? opts.xAxis.scrollAlign : 'left'; opts.extra = opts.extra || {}; opts.legend = opts.legend === false ? false : true; opts.rotate = opts.rotate ? true : false; opts.animation = opts.animation === false ? false : true; var config$$1 = assign({}, config); config$$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.lableWidth*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$$1.rotate = opts.rotate; if (opts.rotate) { let tempWidth = opts.width; let tempHeight = opts.height; opts.width = tempHeight; opts.height = tempWidth; } //适配H5高分屏 config$$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.legendHeight = config.legendHeight * opts.pixelRatio; //config$$1.yAxisTitleWidth=config.yAxisTitleWidth*opts.pixelRatio; config$$1.padding = config.padding * 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; //config$$1.xAxisTextPadding=config.xAxisTextPadding*opts.pixelRatio; //向配置中传入当前pixelRatio及字体大小 config.pixelRatio = opts.pixelRatio; config.fontSize = opts.fontSize; config.rotate = opts.rotate; this.opts = opts; this.config = config$$1; opts.$this = opts.$this ? opts.$this : this; this.context = uni.createCanvasContext(opts.canvasId, opts.$this); // store calcuated chart data // such as chart point coordinate this.chartData = {}; this.event = new Event(); this.scrollOption = { currentOffset: 0, startTouchX: 0, distance: 0, lastMoveTime: 0 }; //计算右对齐偏移距离 if (opts.enableScroll && opts.xAxis.scrollAlign == 'right') { let _calYAxisData = calYAxisData(opts.series, opts, config$$1), yAxisWidth = _calYAxisData.yAxisWidth; config$$1.yAxisWidth = yAxisWidth; let offsetLeft = 0; let _getXAxisPoints0 = getXAxisPoints(opts.categories, opts, config$$1), xAxisPoints = _getXAxisPoints0.xAxisPoints, startX = _getXAxisPoints0.startX, endX = _getXAxisPoints0.endX, eachSpacing = _getXAxisPoints0.eachSpacing; let totalWidth = eachSpacing * (xAxisPoints.length - 1); let screenWidth = endX - startX; offsetLeft = screenWidth - totalWidth; this.scrollOption = { currentOffset: offsetLeft, startTouchX: offsetLeft, distance: 0, lastMoveTime: 0 }; opts._scrollDistance_ = offsetLeft; } drawCharts.call(this, opts.type, opts, config$$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.yAxis.format = data.unit ? ((val)=>{return val.toFixed(data.fixed||0)+(data.unit||'')}) : this.opts.yAxis.format; 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; } let animation = data.animation == undefined ? this.opts.animation : data.animation; this.opts.animation = animation; this.opts.title = assign({}, this.opts.title, data.title || {}); this.opts.subtitle = assign({}, this.opts.subtitle, data.subtitle || {}); 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.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 = e.mp.changedTouches[0] || e.changedTouches[0]; if (touches) { var _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.chartData.pieData); } else if (this.opts.type === 'radar') { return findRadarChartCurrentIndex({ x: _touches$.x, y: _touches$.y }, this.chartData.radarData, this.opts.categories.length); } else { return findCurrentIndex({ x: _touches$.x, y: _touches$.y }, this.chartData.xAxisPoints, this.opts, this.config, Math.abs(this.scrollOption.currentOffset)); } } return -1; }; Charts.prototype.showToolTip = function(e) { var option = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; var touches = e.mp.changedTouches[0] || e.changedTouches[0]; var _touches$ = getTouches(touches, this.opts, e); if (this.opts.type === 'line' || this.opts.type === 'area' || this.opts.type === 'column') { var index = this.getCurrentDataIndex(e); var currentOffset = this.scrollOption.currentOffset; var opts = assign({}, this.opts, { _scrollDistance_: currentOffset, animation: false }); if (index > -1) { var seriesData = getSeriesDataItem(this.opts.series, index); if (seriesData.length !== 0) { var _getToolTipData = getToolTipData(seriesData, this.chartData.calPoints, index, this.opts.categories, option), textList = _getToolTipData.textList, offset = _getToolTipData.offset; offset.y = _touches$.y; opts.tooltip = { textList: textList, offset: offset, option: option, index: index }; } } drawCharts.call(this, opts.type, opts, this.config, this.context); } if (this.opts.type === 'mix') { var index = this.getCurrentDataIndex(e); var currentOffset = this.scrollOption.currentOffset; var opts = assign({}, this.opts, { _scrollDistance_: currentOffset, animation: false }); if (index > -1) { var seriesData = getSeriesDataItem(this.opts.series, index); if (seriesData.length !== 0) { var _getMixToolTipData = getMixToolTipData(seriesData, this.chartData.calPoints, index, this.opts.categories,option), textList = _getMixToolTipData.textList, offset = _getMixToolTipData.offset; offset.y = _touches$.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); var currentOffset = this.scrollOption.currentOffset; var opts = assign({}, this.opts, { _scrollDistance_: currentOffset, animation: false }); if (index > -1) { var seriesData = getSeriesDataItem(this.opts.series, index); if (seriesData.length !== 0) { var _getToolTipData = getCandleToolTipData(this.opts.series[0].data, seriesData, this.chartData.calPoints, index,this.opts.categories, this.opts.extra.candle, option), textList = _getToolTipData.textList, offset = _getToolTipData.offset; offset.y = _touches$.y; opts.tooltip = { textList: textList, offset: offset, option: option, index: index }; } } drawCharts.call(this, opts.type, opts, this.config, this.context); } if (this.opts.type === 'pie' || this.opts.type === 'ring' || this.opts.type === 'rose') { var index = this.getCurrentDataIndex(e); var currentOffset = this.scrollOption.currentOffset; var opts = assign({}, this.opts, { _scrollDistance_: currentOffset, animation: false }); if (index > -1) { var seriesData = this.opts.series[index]; var textList = [{ text: option.format ? option.format(seriesData) : seriesData.name + ': ' + seriesData.data, color: seriesData.color }]; var offset = { x: _touches$.x, y: _touches$.y }; opts.tooltip = { textList: textList, offset: offset, option: option, index: index }; } drawCharts.call(this, opts.type, opts, this.config, this.context); } if (this.opts.type === 'radar') { var index = this.getCurrentDataIndex(e); var currentOffset = this.scrollOption.currentOffset; var opts = assign({}, this.opts, { _scrollDistance_: currentOffset, animation: false }); if (index > -1) { var seriesData = getSeriesDataItem(this.opts.series, index); if (seriesData.length !== 0) { var textList = seriesData.map(function(item) { return { text: option.format ? option.format(item) : item.name + ': ' + item.data, color: item.color }; }); var offset = { x: _touches$.x, y: _touches$.y }; opts.tooltip = { textList: textList, offset: offset, option: option, index: index }; } } drawCharts.call(this, opts.type, opts, this.config, this.context); } }; Charts.prototype.translate = function(distance) { this.scrollOption = { currentOffset: distance, startTouchX: distance, distance: 0, lastMoveTime: 0 }; let opts = assign({}, this.opts, { _scrollDistance_: distance, animation: false }); drawCharts.call(this, this.opts.type, opts, this.config, this.context); }; Charts.prototype.scrollStart = function(e) { var touches = e.mp.changedTouches[0] || e.changedTouches[0]; var _touches$ = getTouches(touches, this.opts, e); if (touches && this.opts.enableScroll === true) { if (touches.x) { this.scrollOption.startTouchX = _touches$.x; } else { this.scrollOption.startTouchX = _touches$.clientX; } } }; 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 = e.mp.changedTouches[0] || e.changedTouches[0]; var _touches$ = getTouches(touches, this.opts, e); if (touches && this.opts.enableScroll === true) { var _distance; if (touches.x) { _distance = _touches$.x - this.scrollOption.startTouchX; } else { _distance = _touches$.clientX - this.scrollOption.startTouchX; } var currentOffset = this.scrollOption.currentOffset; var validDistance = calValidDistance(currentOffset + _distance, this.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; } }; module.exports = Charts;