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cxw-010203

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dev
xiaowen 3 years ago
parent d0002e6b39
commit d4859665d1
3 changed files with 217 additions and 215 deletions
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2
components/option/stackingLineOption.js
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@ -10,7 +10,7 @@ export default function brokenLines(dName = [], dValue = [], dColor = [], dx = [
color: "#fff", //设置文字颜色
},
extraCssText: "box-shadow: 0px 0px 10px 0px #3373CC;",
confine: true
confine: true,
},
legend: {
icon: 'rectangle', //data图标样式

427
ec-canvas/ec-canvas.js
Unescape View File

@ -4,262 +4,267 @@ import * as echarts from './echarts';
let ctx;
function compareVersion(v1, v2) {
v1 = v1.split('.')
v2 = v2.split('.')
const len = Math.max(v1.length, v2.length)
v1 = v1.split('.')
v2 = v2.split('.')
const len = Math.max(v1.length, v2.length)
while (v1.length < len) {
v1.push('0')
}
while (v2.length < len) {
v2.push('0')
}
while (v1.length < len) {
v1.push('0')
}
while (v2.length < len) {
v2.push('0')
}
for (let i = 0; i < len; i++) {
const num1 = parseInt(v1[i])
const num2 = parseInt(v2[i])
for (let i = 0; i < len; i++) {
const num1 = parseInt(v1[i])
const num2 = parseInt(v2[i])
if (num1 > num2) {
return 1
} else if (num1 < num2) {
return -1
if (num1 > num2) {
return 1
} else if (num1 < num2) {
return -1
}
}
}
return 0
return 0
}
Component({
properties: {
canvasId: {
type: String,
value: 'ec-canvas'
},
properties: {
canvasId: {
type: String,
value: 'ec-canvas'
},
ec: {
type: Object
},
ec: {
type: Object
forceUseOldCanvas: {
type: Boolean,
value: false
}
},
forceUseOldCanvas: {
type: Boolean,
value: false
}
},
data: {
isUseNewCanvas: false,
isEnd: false,
},
data: {
isUseNewCanvas: false
},
ready: function () {
// Disable prograssive because drawImage doesn't support DOM as parameter
// See https://developers.weixin.qq.com/miniprogram/dev/api/canvas/CanvasContext.drawImage.html
echarts.registerPreprocessor(option => {
if (option && option.series) {
if (option.series.length > 0) {
option.series.forEach(series => {
series.progressive = 0;
});
} else if (typeof option.series === 'object') {
option.series.progressive = 0;
}
}
});
ready: function () {
// Disable prograssive because drawImage doesn't support DOM as parameter
// See https://developers.weixin.qq.com/miniprogram/dev/api/canvas/CanvasContext.drawImage.html
echarts.registerPreprocessor(option => {
if (option && option.series) {
if (option.series.length > 0) {
option.series.forEach(series => {
series.progressive = 0;
});
}
else if (typeof option.series === 'object') {
option.series.progressive = 0;
if (!this.data.ec) {
console.warn('组件需绑定 ec 变量，例：<ec-canvas id="mychart-dom-bar" ' +
'canvas-id="mychart-bar" ec="{{ ec }}"></ec-canvas>');
return;
}
}
});
if (!this.data.ec) {
console.warn('组件需绑定 ec 变量，例：<ec-canvas id="mychart-dom-bar" '
+ 'canvas-id="mychart-bar" ec="{{ ec }}"></ec-canvas>');
return;
}
if (!this.data.ec.lazyLoad) {
this.init();
}
},
if (!this.data.ec.lazyLoad) {
this.init();
}
},
methods: {
methods: {
init: function (callback) {
const version = wx.getSystemInfoSync().SDKVersion
const canUseNewCanvas = compareVersion(version, '2.9.0') >= 0;
const forceUseOldCanvas = this.data.forceUseOldCanvas;
const isUseNewCanvas = canUseNewCanvas && !forceUseOldCanvas;
this.setData({ isUseNewCanvas });
const version = wx.getSystemInfoSync().SDKVersion
const canUseNewCanvas = compareVersion(version, '2.9.0') >= 0;
const forceUseOldCanvas = this.data.forceUseOldCanvas;
const isUseNewCanvas = canUseNewCanvas && !forceUseOldCanvas;
this.setData({
isUseNewCanvas
});
if (forceUseOldCanvas && canUseNewCanvas) {
console.warn('开发者强制使用旧canvas,建议关闭');
}
if (forceUseOldCanvas && canUseNewCanvas) {
console.warn('开发者强制使用旧canvas,建议关闭');
}
if (isUseNewCanvas) {
// console.log('微信基础库版本大于2.9.0，开始使用<canvas type="2d"/>');
// 2.9.0 可以使用 <canvas type="2d"></canvas>
this.initByNewWay(callback);
} else {
const isValid = compareVersion(version, '1.9.91') >= 0
if (!isValid) {
console.error('微信基础库版本过低，需大于等于 1.9.91。'
+ '参见：https://github.com/ecomfe/echarts-for-weixin'
+ '#%E5%BE%AE%E4%BF%A1%E7%89%88%E6%9C%AC%E8%A6%81%E6%B1%82');
return;
if (isUseNewCanvas) {
// console.log('微信基础库版本大于2.9.0，开始使用<canvas type="2d"/>');
// 2.9.0 可以使用 <canvas type="2d"></canvas>
this.initByNewWay(callback);
} else {
console.warn('建议将微信基础库调整大于等于2.9.0版本。升级后绘图将有更好性能');
this.initByOldWay(callback);
const isValid = compareVersion(version, '1.9.91') >= 0
if (!isValid) {
console.error('微信基础库版本过低，需大于等于 1.9.91。' +
'参见：https://github.com/ecomfe/echarts-for-weixin' +
'#%E5%BE%AE%E4%BF%A1%E7%89%88%E6%9C%AC%E8%A6%81%E6%B1%82');
return;
} else {
console.warn('建议将微信基础库调整大于等于2.9.0版本。升级后绘图将有更好性能');
this.initByOldWay(callback);
}
}
}
},
initByOldWay(callback) {
// 1.9.91 <= version < 2.9.0：原来的方式初始化
ctx = wx.createCanvasContext(this.data.canvasId, this);
const canvas = new WxCanvas(ctx, this.data.canvasId, false);
// 1.9.91 <= version < 2.9.0：原来的方式初始化
ctx = wx.createCanvasContext(this.data.canvasId, this);
const canvas = new WxCanvas(ctx, this.data.canvasId, false);
echarts.setCanvasCreator(() => {
return canvas;
});
// const canvasDpr = wx.getSystemInfoSync().pixelRatio // 微信旧的canvas不能传入dpr
const canvasDpr = 1
var query = wx.createSelectorQuery().in(this);
query.select('.ec-canvas').boundingClientRect(res => {
if (typeof callback === 'function') {
this.chart = callback(canvas, res.width, res.height, canvasDpr);
}
else if (this.data.ec && typeof this.data.ec.onInit === 'function') {
this.chart = this.data.ec.onInit(canvas, res.width, res.height, canvasDpr);
}
else {
this.triggerEvent('init', {
canvas: canvas,
width: res.width,
height: res.height,
canvasDpr: canvasDpr // 增加了dpr，可方便外面echarts.init
});
}
}).exec();
echarts.setCanvasCreator(() => {
return canvas;
});
// const canvasDpr = wx.getSystemInfoSync().pixelRatio // 微信旧的canvas不能传入dpr
const canvasDpr = 1
var query = wx.createSelectorQuery().in(this);
query.select('.ec-canvas').boundingClientRect(res => {
if (typeof callback === 'function') {
this.chart = callback(canvas, res.width, res.height, canvasDpr);
} else if (this.data.ec && typeof this.data.ec.onInit === 'function') {
this.chart = this.data.ec.onInit(canvas, res.width, res.height, canvasDpr);
} else {
this.triggerEvent('init', {
canvas: canvas,
width: res.width,
height: res.height,
canvasDpr: canvasDpr // 增加了dpr，可方便外面echarts.init
});
}
}).exec();
},
initByNewWay(callback) {
// version >= 2.9.0：使用新的方式初始化
const query = wx.createSelectorQuery().in(this)
query
.select('.ec-canvas')
.fields({ node: true, size: true })
.exec(res => {
const canvasNode = res[0].node
this.canvasNode = canvasNode
// version >= 2.9.0：使用新的方式初始化
const query = wx.createSelectorQuery().in(this)
query
.select('.ec-canvas')
.fields({
node: true,
size: true
})
.exec(res => {
const canvasNode = res[0].node
this.canvasNode = canvasNode
const canvasDpr = wx.getSystemInfoSync().pixelRatio
const canvasWidth = res[0].width
const canvasHeight = res[0].height
const canvasDpr = wx.getSystemInfoSync().pixelRatio
const canvasWidth = res[0].width
const canvasHeight = res[0].height
const ctx = canvasNode.getContext('2d')
const ctx = canvasNode.getContext('2d')
const canvas = new WxCanvas(ctx, this.data.canvasId, true, canvasNode)
echarts.setCanvasCreator(() => {
return canvas
})
const canvas = new WxCanvas(ctx, this.data.canvasId, true, canvasNode)
echarts.setCanvasCreator(() => {
return canvas
})
if (typeof callback === 'function') {
this.chart = callback(canvas, canvasWidth, canvasHeight, canvasDpr)
} else if (this.data.ec && typeof this.data.ec.onInit === 'function') {
this.chart = this.data.ec.onInit(canvas, canvasWidth, canvasHeight, canvasDpr)
} else {
this.triggerEvent('init', {
canvas: canvas,
width: canvasWidth,
height: canvasHeight,
dpr: canvasDpr
if (typeof callback === 'function') {
this.chart = callback(canvas, canvasWidth, canvasHeight, canvasDpr)
} else if (this.data.ec && typeof this.data.ec.onInit === 'function') {
this.chart = this.data.ec.onInit(canvas, canvasWidth, canvasHeight, canvasDpr)
} else {
this.triggerEvent('init', {
canvas: canvas,
width: canvasWidth,
height: canvasHeight,
dpr: canvasDpr
})
}
})
}
})
},
canvasToTempFilePath(opt) {
if (this.data.isUseNewCanvas) {
// 新版
const query = wx.createSelectorQuery().in(this)
query
.select('.ec-canvas')
.fields({ node: true, size: true })
.exec(res => {
const canvasNode = res[0].node
opt.canvas = canvasNode
wx.canvasToTempFilePath(opt)
})
} else {
// 旧的
if (!opt.canvasId) {
opt.canvasId = this.data.canvasId;
if (this.data.isUseNewCanvas) {
// 新版
const query = wx.createSelectorQuery().in(this)
query
.select('.ec-canvas')
.fields({
node: true,
size: true
})
.exec(res => {
const canvasNode = res[0].node
opt.canvas = canvasNode
wx.canvasToTempFilePath(opt)
})
} else {
// 旧的
if (!opt.canvasId) {
opt.canvasId = this.data.canvasId;
}
ctx.draw(true, () => {
wx.canvasToTempFilePath(opt, this);
});
}
ctx.draw(true, () => {
wx.canvasToTempFilePath(opt, this);
});
}
},
touchStart(e) {
if (this.chart && e.touches.length > 0) {
var touch = e.touches[0];
var handler = this.chart.getZr().handler;
handler.dispatch('mousedown', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.dispatch('mousemove', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.processGesture(wrapTouch(e), 'start');
}
if (this.chart && e.touches.length > 0) {
var touch = e.touches[0];
var handler = this.chart.getZr().handler;
handler.dispatch('mousedown', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.dispatch('mousemove', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.processGesture(wrapTouch(e), 'start');
}
},
touchMove(e) {
if (this.chart && e.touches.length > 0) {
var touch = e.touches[0];
var handler = this.chart.getZr().handler;
handler.dispatch('mousemove', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.processGesture(wrapTouch(e), 'change');
}
if (this.chart && e.touches.length > 0) {
var touch = e.touches[0];
var handler = this.chart.getZr().handler;
handler.dispatch('mousemove', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.processGesture(wrapTouch(e), 'change');
}
},
touchEnd(e) {
if (this.chart) {
const touch = e.changedTouches ? e.changedTouches[0] : {};
var handler = this.chart.getZr().handler;
handler.dispatch('mouseup', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.dispatch('click', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.processGesture(wrapTouch(e), 'end');
}
if (this.chart) {
const touch = e.changedTouches ? e.changedTouches[0] : {};
var handler = this.chart.getZr().handler;
handler.dispatch('mouseup', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.dispatch('click', {
zrX: touch.x,
zrY: touch.y,
preventDefault: () => {},
stopImmediatePropagation: () => {},
stopPropagation: () => {}
});
handler.processGesture(wrapTouch(e), 'end');
}
}
}
}
});
function wrapTouch(event) {
for (let i = 0; i < event.touches.length; ++i) {
const touch = event.touches[i];
touch.offsetX = touch.x;
touch.offsetY = touch.y;
}
return event;
}
for (let i = 0; i < event.touches.length; ++i) {
const touch = event.touches[i];
touch.offsetX = touch.x;
touch.offsetY = touch.y;
}
return event;
}

3
ec-canvas/wx-canvas.js
Unescape View File

@ -10,9 +10,7 @@ export default class WxCanvas {
else {
this._initStyle(ctx);
}
// this._initCanvas(zrender, ctx);
this._initEvent();
}
@ -49,7 +47,6 @@ export default class WxCanvas {
zrender.util.getContext = function () {
return ctx;
};
zrender.util.$override('measureText', function (text, font) {
ctx.font = font || '12px sans-serif';
return ctx.measureText(text);

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