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修复图片更新刷新长宽问题

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dongqing 2019-12-01 15:13:35 +08:00
parent 6657c1c05e
commit 0ca93907d2
1 changed files with 13 additions and 7 deletions
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20
painter.js
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@ -85,7 +85,7 @@ Component({
type: Boolean, type: Boolean,
observer: function (needClear) { observer: function (needClear) {
if (needClear && !this.needClear) { if (needClear && !this.needClear) {
if (this.frontContext) { if (this.frontContext) {
this.frontContext.draw() this.frontContext.draw()
this.touchedView = {}; this.touchedView = {};
this.prevFindedIndex = this.findedIndex this.prevFindedIndex = this.findedIndex
@ -269,16 +269,22 @@ Component({
} }
if (newVal && newVal.url && doView.url && newVal.url !== doView.url) { if (newVal && newVal.url && doView.url && newVal.url !== doView.url) {
downloader.download(newVal.url, this.properties.LRU).then((path) => { downloader.download(newVal.url, this.properties.LRU).then((path) => {
doView.originUrl = newVal.url
doView.url = path;
wx.getImageInfo({ wx.getImageInfo({
src: path, src: path,
success: () => { success: (res) => {
doView.originUrl = newVal.url doView.sHeight = res.height
doView.url = path; doView.sWidth = res.width
newVal.sHeight && (doView.sHeight = newVal.sHeight);
newVal.sWidth && (doView.sWidth = newVal.sWidth);
this.reDraw(doView, callback, isMoving) this.reDraw(doView, callback, isMoving)
}, },
fail: () => {
this.reDraw(doView, callback, isMoving)
}
}) })
}).catch(() => {
// 未下载成功，直接绘制
this.reDraw(doView, callback, isMoving)
}) })
} else { } else {
(newVal && newVal.text && doView.text && newVal.text !== doView.text) && (doView.text = newVal.text); (newVal && newVal.text && doView.text && newVal.text !== doView.text) && (doView.text = newVal.text);
@ -809,4 +815,4 @@ function setStringPrototype(screenK, scale) {
} }
return res; return res;
}; };
} }