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/** * echarts扩展zrender shape * * @author Kener (@Kener-林峰, kener.linfeng@gmail.com) * * shape类：icon * 可配图形属性： { // 基础属性 shape : 'icon', // 必须，shape类标识，需要显式指定 id : {string}, // 必须，图形唯一标识，可通过'zrender/tool/guid'方法生成 zlevel : {number}, // 默认为0，z层level，决定绘画在哪层canvas中 invisible : {boolean}, // 默认为false，是否可见 // 样式属性，默认状态样式样式属性 style : { x : {number}, // 必须，左上角横坐标 y : {number}, // 必须，左上角纵坐标 width : {number}, // 必须，宽度 height : {number}, // 必须，高度 iconType : {string}, // 必须，icon类型 }, // 样式属性，高亮样式属性，当不存在highlightStyle时使用基于默认样式扩展显示 highlightStyle : { // 同style } // 交互属性，详见shape.Base // 事件属性，详见shape.Base } / define(function (require) { var zrUtil = require('zrender/tool/util'); function _iconMark(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; ctx.moveTo(x, y + style.height); ctx.lineTo(x + 5 dx, y + 14 * dy); ctx.lineTo(x + style.width, y + 3 * dy); ctx.lineTo(x + 13 * dx, y); ctx.lineTo(x + 2 * dx, y + 11 * dy); ctx.lineTo(x, y + style.height); ctx.moveTo(x + 6 * dx, y + 10 * dy); ctx.lineTo(x + 14 * dx, y + 2 * dy); ctx.moveTo(x + 10 * dx, y + 13 * dy); ctx.lineTo(x + style.width, y + 13 * dy); ctx.moveTo(x + 13 * dx, y + 10 * dy); ctx.lineTo(x + 13 * dx, y + style.height); } function _iconMarkUndo(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; ctx.moveTo(x, y + style.height); ctx.lineTo(x + 5 * dx, y + 14 * dy); ctx.lineTo(x + style.width, y + 3 * dy); ctx.lineTo(x + 13 * dx, y); ctx.lineTo(x + 2 * dx, y + 11 * dy); ctx.lineTo(x, y + style.height); ctx.moveTo(x + 6 * dx, y + 10 * dy); ctx.lineTo(x + 14 * dx, y + 2 * dy); ctx.moveTo(x + 10 * dx, y + 13 * dy); ctx.lineTo(x + style.width, y + 13 * dy); } function _iconMarkClear(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; ctx.moveTo(x + 4 * dx, y + 15 * dy); ctx.lineTo(x + 9 * dx, y + 13 * dy); ctx.lineTo(x + 14 * dx, y + 8 * dy); ctx.lineTo(x + 11 * dx, y + 5 * dy); ctx.lineTo(x + 6 * dx, y + 10 * dy); ctx.lineTo(x + 4 * dx, y + 15 * dy); ctx.moveTo(x + 5 * dx, y); ctx.lineTo(x + 11 * dx, y); ctx.moveTo(x + 5 * dx, y + dy); ctx.lineTo(x + 11 * dx, y + dy); ctx.moveTo(x, y + 2 * dy); ctx.lineTo(x + style.width, y + 2 * dy); ctx.moveTo(x, y + 5 * dy); ctx.lineTo(x + 3 * dx, y + style.height); ctx.lineTo(x + 13 * dx, y + style.height); ctx.lineTo(x + style.width, y + 5 * dy); } function _iconDataZoom(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; ctx.moveTo(x, y + 3 * dy); ctx.lineTo(x + 6 * dx, y + 3 * dy); ctx.moveTo(x + 3 * dx, y); ctx.lineTo(x + 3 * dx, y + 6 * dy); ctx.moveTo(x + 3 * dx, y + 8 * dy); ctx.lineTo(x + 3 * dx, y + style.height); ctx.lineTo(x + style.width, y + style.height); ctx.lineTo(x + style.width, y + 3 * dy); ctx.lineTo(x + 8 * dx, y + 3 * dy); } function _iconDataZoomReset(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; ctx.moveTo(x + 6 * dx, y); ctx.lineTo(x + 2 * dx, y + 3 * dy); ctx.lineTo(x + 6 * dx, y + 6 * dy); ctx.moveTo(x + 2 * dx, y + 3 * dy); ctx.lineTo(x + 14 * dx, y + 3 * dy); ctx.lineTo(x + 14 * dx, y + 11 * dy); ctx.moveTo(x + 2 * dx, y + 5 * dy); ctx.lineTo(x + 2 * dx, y + 13 * dy); ctx.lineTo(x + 14 * dx, y + 13 * dy); ctx.moveTo(x + 10 * dx, y + 10 * dy); ctx.lineTo(x + 14 * dx, y + 13 * dy); ctx.lineTo(x + 10 * dx, y + style.height); } function _iconRestore(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; var r = style.width / 2; ctx.lineWidth = 1.5; ctx.arc(x + r, y + r, r - dx, 0, Math.PI * 2 / 3); ctx.moveTo(x + 3 * dx, y + style.height); ctx.lineTo(x + 0 * dx, y + 12 * dy); ctx.lineTo(x + 5 * dx, y + 11 * dy); ctx.moveTo(x, y + 8 * dy); ctx.arc(x + r, y + r, r - dx, Math.PI, Math.PI * 5 / 3); ctx.moveTo(x + 13 * dx, y); ctx.lineTo(x + style.width, y + 4 * dy); ctx.lineTo(x + 11 * dx, y + 5 * dy); } function _iconLineChart(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; ctx.moveTo(x, y); ctx.lineTo(x, y + style.height); ctx.lineTo(x + style.width, y + style.height); ctx.moveTo(x + 2 * dx, y + 14 * dy); ctx.lineTo(x + 7 * dx, y + 6 * dy); ctx.lineTo(x + 11 * dx, y + 11 * dy); ctx.lineTo(x + 15 * dx, y + 2 * dy); } function _iconBarChart(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; ctx.moveTo(x, y); ctx.lineTo(x, y + style.height); ctx.lineTo(x + style.width, y + style.height); ctx.moveTo(x + 3 * dx, y + 14 * dy); ctx.lineTo(x + 3 * dx, y + 6 * dy); ctx.lineTo(x + 4 * dx, y + 6 * dy); ctx.lineTo(x + 4 * dx, y + 14 * dy); ctx.moveTo(x + 7 * dx, y + 14 * dy); ctx.lineTo(x + 7 * dx, y + 2 * dy); ctx.lineTo(x + 8 * dx, y + 2 * dy); ctx.lineTo(x + 8 * dx, y + 14 * dy); ctx.moveTo(x + 11 * dx, y + 14 * dy); ctx.lineTo(x + 11 * dx, y + 9 * dy); ctx.lineTo(x + 12 * dx, y + 9 * dy); ctx.lineTo(x + 12 * dx, y + 14 * dy); } function _iconPieChart(ctx, style) { var x = style.x; var y = style.y; var width = style.width - 2; var height = style.height - 2; var r = Math.min(width, height) / 2; y += 2; ctx.moveTo(x + r + 3, y + r - 3); ctx.arc(x + r + 3, y + r - 3, r - 1, 0, -Math.PI / 2, true); ctx.lineTo(x + r + 3, y + r - 3); ctx.moveTo(x + r, y); ctx.lineTo(x + r, y + r); ctx.arc(x + r, y + r, r, -Math.PI / 2, Math.PI * 2, true); ctx.lineTo(x + r, y + r); ctx.lineWidth = 1.5; } function _iconFunnelChart(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; y -= dy; ctx.moveTo(x + 1 * dx, y + 2 * dy); ctx.lineTo(x + 15 * dx, y + 2 * dy); ctx.lineTo(x + 14 * dx, y + 3 * dy); ctx.lineTo(x + 2 * dx, y + 3 * dy); ctx.moveTo(x + 3 * dx, y + 6 * dy); ctx.lineTo(x + 13 * dx, y + 6 * dy); ctx.lineTo(x + 12 * dx, y + 7 * dy); ctx.lineTo(x + 4 * dx, y + 7 * dy); ctx.moveTo(x + 5 * dx, y + 10 * dy); ctx.lineTo(x + 11 * dx, y + 10 * dy); ctx.lineTo(x + 10 * dx, y + 11 * dy); ctx.lineTo(x + 6 * dx, y + 11 * dy); ctx.moveTo(x + 7 * dx, y + 14 * dy); ctx.lineTo(x + 9 * dx, y + 14 * dy); ctx.lineTo(x + 8 * dx, y + 15 * dy); ctx.lineTo(x + 7 * dx, y + 15 * dy); } function _iconForceChart(ctx, style) { var x = style.x; var y = style.y; var width = style.width; var height = style.height; var dx = width / 16; var dy = height / 16; var r = Math.min(dx, dy) * 2; ctx.moveTo(x + dx + r, y + dy + r); ctx.arc(x + dx, y + dy, r, Math.PI / 4, Math.PI * 3); ctx.lineTo(x + 7 * dx - r, y + 6 * dy - r); ctx.arc(x + 7 * dx, y + 6 * dy, r, Math.PI / 4 * 5, Math.PI * 4); ctx.arc(x + 7 * dx, y + 6 * dy, r / 2, Math.PI / 4 * 5, Math.PI * 4); ctx.moveTo(x + 7 * dx - r / 2, y + 6 * dy + r); ctx.lineTo(x + dx + r, y + 14 * dy - r); ctx.arc(x + dx, y + 14 * dy, r, -Math.PI / 4, Math.PI * 2); ctx.moveTo(x + 7 * dx + r / 2, y + 6 * dy); ctx.lineTo(x + 14 * dx - r, y + 10 * dy - r / 2); ctx.moveTo(x + 16 * dx, y + 10 * dy); ctx.arc(x + 14 * dx, y + 10 * dy, r, 0, Math.PI * 3); ctx.lineWidth = 1.5; } function _iconChordChart(ctx, style) { var x = style.x; var y = style.y; var width = style.width; var height = style.height; var r = Math.min(width, height) / 2; ctx.moveTo(x + width, y + height / 2); ctx.arc(x + r, y + r, r, 0, Math.PI * 2); ctx.arc(x + r, y, r, Math.PI / 4, Math.PI / 5 * 4); ctx.arc(x, y + r, r, -Math.PI / 3, Math.PI / 3); ctx.arc(x + width, y + height, r, Math.PI, Math.PI / 2 * 3); ctx.lineWidth = 1.5; } function _iconStackChart(ctx, style) { var x = style.x; var y = style.y; var width = style.width; var height = style.height; var dy = Math.round(height / 3); var delta = Math.round((dy - 2) / 2); var len = 3; while (len--) { ctx.rect(x, y + dy * len + delta, width, 2); } } function _iconTiledChart(ctx, style) { var x = style.x; var y = style.y; var width = style.width; var height = style.height; var dx = Math.round(width / 3); var delta = Math.round((dx - 2) / 2); var len = 3; while (len--) { ctx.rect(x + dx * len + delta, y, 2, height); } } function _iconDataView(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; ctx.moveTo(x + dx, y); ctx.lineTo(x + dx, y + style.height); ctx.lineTo(x + 15 * dx, y + style.height); ctx.lineTo(x + 15 * dx, y); ctx.lineTo(x + dx, y); ctx.moveTo(x + 3 * dx, y + 3 * dx); ctx.lineTo(x + 13 * dx, y + 3 * dx); ctx.moveTo(x + 3 * dx, y + 6 * dx); ctx.lineTo(x + 13 * dx, y + 6 * dx); ctx.moveTo(x + 3 * dx, y + 9 * dx); ctx.lineTo(x + 13 * dx, y + 9 * dx); ctx.moveTo(x + 3 * dx, y + 12 * dx); ctx.lineTo(x + 9 * dx, y + 12 * dx); } function _iconSave(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; var dy = style.height / 16; ctx.moveTo(x, y); ctx.lineTo(x, y + style.height); ctx.lineTo(x + style.width, y + style.height); ctx.lineTo(x + style.width, y); ctx.lineTo(x, y); ctx.moveTo(x + 4 * dx, y); ctx.lineTo(x + 4 * dx, y + 8 * dy); ctx.lineTo(x + 12 * dx, y + 8 * dy); ctx.lineTo(x + 12 * dx, y); ctx.moveTo(x + 6 * dx, y + 11 * dy); ctx.lineTo(x + 6 * dx, y + 13 * dy); ctx.lineTo(x + 10 * dx, y + 13 * dy); ctx.lineTo(x + 10 * dx, y + 11 * dy); ctx.lineTo(x + 6 * dx, y + 11 * dy); } function _iconCross(ctx, style) { var x = style.x; var y = style.y; var width = style.width; var height = style.height; ctx.moveTo(x, y + height / 2); ctx.lineTo(x + width, y + height / 2); ctx.moveTo(x + width / 2, y); ctx.lineTo(x + width / 2, y + height); } function _iconCircle(ctx, style) { var width = style.width / 2; var height = style.height / 2; var r = Math.min(width, height); ctx.moveTo( style.x + width + r, style.y + height ); ctx.arc( style.x + width, style.y + height, r, 0, Math.PI * 2 ); ctx.closePath(); } function _iconRectangle(ctx, style) { ctx.rect(style.x, style.y, style.width, style.height); ctx.closePath(); } function _iconTriangle(ctx, style) { var width = style.width / 2; var height = style.height / 2; var x = style.x + width; var y = style.y + height; var symbolSize = Math.min(width, height); ctx.moveTo(x, y - symbolSize); ctx.lineTo(x + symbolSize, y + symbolSize); ctx.lineTo(x - symbolSize, y + symbolSize); ctx.lineTo(x, y - symbolSize); ctx.closePath(); } function _iconDiamond(ctx, style) { var width = style.width / 2; var height = style.height / 2; var x = style.x + width; var y = style.y + height; var symbolSize = Math.min(width, height); ctx.moveTo(x, y - symbolSize); ctx.lineTo(x + symbolSize, y); ctx.lineTo(x, y + symbolSize); ctx.lineTo(x - symbolSize, y); ctx.lineTo(x, y - symbolSize); ctx.closePath(); } function _iconArrow(ctx, style) { var x = style.x; var y = style.y; var dx = style.width / 16; ctx.moveTo(x + 8 * dx, y); ctx.lineTo(x + dx, y + style.height); ctx.lineTo(x + 8 * dx, y + style.height / 4 * 3); ctx.lineTo(x + 15 * dx, y + style.height); ctx.lineTo(x + 8 * dx, y); ctx.closePath(); } function _iconStar(ctx, style) { var StarShape = require('zrender/shape/Star'); var width = style.width / 2; var height = style.height / 2; StarShape.prototype.buildPath(ctx, { x : style.x + width, y : style.y + height, r : Math.min(width, height), n : style.n \|\| 5 }); } function _iconHeart(ctx, style) { var HeartShape = require('zrender/shape/Heart'); HeartShape.prototype.buildPath(ctx, { x : style.x + style.width / 2, y : style.y + style.height * 0.2, a : style.width / 2, b : style.height * 0.8 }); } function _iconDroplet(ctx, style) { var DropletShape = require('zrender/shape/Droplet'); DropletShape.prototype.buildPath(ctx, { x : style.x + style.width * 0.5, y : style.y + style.height * 0.5, a : style.width * 0.5, b : style.height * 0.8 }); } function _iconPin(ctx, style) { var x = style.x; var y = style.y - style.height / 2 * 1.5; var width = style.width / 2; var height = style.height / 2; var r = Math.min(width, height); ctx.arc( x + width, y + height, r, Math.PI / 5 * 4, Math.PI / 5 ); ctx.lineTo(x + width, y + height + r * 1.5); ctx.closePath(); } function _iconImage(ctx, style, refreshNextFrame) { var ImageShape = require('zrender/shape/Image'); this._imageShape = this._imageShape \|\| new ImageShape({ style: {} }); for (var name in style) { this._imageShape.style[name] = style[name]; } this._imageShape.brush(ctx, false, refreshNextFrame); } var Base = require('zrender/shape/Base'); function Icon(options) { Base.call(this, options); } Icon.prototype = { type : 'icon', iconLibrary : { mark : _iconMark, markUndo : _iconMarkUndo, markClear : _iconMarkClear, dataZoom : _iconDataZoom, dataZoomReset : _iconDataZoomReset, restore : _iconRestore, lineChart : _iconLineChart, barChart : _iconBarChart, pieChart : _iconPieChart, funnelChart : _iconFunnelChart, forceChart : _iconForceChart, chordChart : _iconChordChart, stackChart : _iconStackChart, tiledChart : _iconTiledChart, dataView : _iconDataView, saveAsImage : _iconSave, cross : _iconCross, circle : _iconCircle, rectangle : _iconRectangle, triangle : _iconTriangle, diamond : _iconDiamond, arrow : _iconArrow, star : _iconStar, heart : _iconHeart, droplet : _iconDroplet, pin : _iconPin, image : _iconImage }, brush: function (ctx, isHighlight, refreshNextFrame) { var style = isHighlight ? this.highlightStyle : this.style; style = style \|\| {}; var iconType = style.iconType \|\| this.style.iconType; if (iconType === 'image') { var ImageShape = require('zrender/shape/Image'); ImageShape.prototype.brush.call(this, ctx, isHighlight, refreshNextFrame); } else { var style = this.beforeBrush(ctx, isHighlight); ctx.beginPath(); this.buildPath(ctx, style, refreshNextFrame); switch (style.brushType) { /* jshint ignore:start / case 'both': ctx.fill(); case 'stroke': style.lineWidth > 0 && ctx.stroke(); break; / jshint ignore:end / default: ctx.fill(); } this.drawText(ctx, style, this.style); this.afterBrush(ctx); } }, /* * 创建矩形路径 * @param {Context2D} ctx Canvas 2D上下文 * @param {Object} style 样式 / buildPath : function (ctx, style, refreshNextFrame) { if (this.iconLibrary[style.iconType]) { this.iconLibrary[style.iconType].call(this, ctx, style, refreshNextFrame); } else { ctx.moveTo(style.x, style.y); ctx.lineTo(style.x + style.width, style.y); ctx.lineTo(style.x + style.width, style.y + style.height); ctx.lineTo(style.x, style.y + style.height); ctx.lineTo(style.x, style.y); ctx.closePath(); } return; }, /* * 返回矩形区域，用于局部刷新和文字定位 * @param {Object} style / getRect : function (style) { if (style.__rect) { return style.__rect; } // pin比较特殊，让尖端在目标x,y上 style.__rect = { x : Math.round(style.x), y : Math.round(style.y - (style.iconType == 'pin' ? (style.height / 2 1.5) : 0) ), width : style.width, height : style.height * ( style.iconType === 'pin' ? 1.25 : 1 ) }; return style.__rect; }, isCover : function (x, y) { var originPos = this.transformCoordToLocal(x, y); x = originPos[0]; y = originPos[1]; // 快速预判并保留判断矩形 var rect = this.style.__rect; if (!rect) { rect = this.style.__rect = this.getRect(this.style); } // 提高交互体验，太小的图形包围盒四向扩大4px var delta = (rect.height < 8 \|\| rect.width < 8 ) ? 4 : 0; return x >= rect.x - delta && x <= (rect.x + rect.width + delta) && y >= rect.y - delta && y <= (rect.y + rect.height + delta); } }; zrUtil.inherits(Icon, Base); return Icon; });

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