液化苹果浏览器闪屏问题
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@@ -85,7 +85,7 @@ export class LiquifyRealTimeUpdater {
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if (isDrawing && this.config.useDirectUpdate) {
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// 拖拽过程中使用快速更新(降低质量以提高性能)
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this._fastUpdate(imageData);
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await this._fastUpdate(imageData);
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} else {
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// 拖拽结束后使用完整更新(最高质量)
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await this._fullUpdate(imageData);
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@@ -124,7 +124,7 @@ export class LiquifyRealTimeUpdater {
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* @param {ImageData} imageData 图像数据
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* @private
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*/
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_fastUpdate(imageData) {
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async _fastUpdate(imageData) {
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if (!this.targetObject || !this.targetObject._element) {
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return;
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}
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@@ -138,12 +138,14 @@ export class LiquifyRealTimeUpdater {
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// 直接更新fabric对象的图像源(使用PNG格式保持质量)
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const targetElement = this.targetObject._element;
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// 方案1: 直接设置src属性(最高性能)
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const dataURL = this.tempCanvas.toDataURL("image/png", quality);
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if (targetElement.src !== dataURL) {
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targetElement.src = dataURL;
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// targetElement.src = dataURL;
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const image = new Image();
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image.src = dataURL;
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await image.decode();
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this.targetObject.setElement(image);
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// 关键优化:直接设置fabric对象为脏状态,但不立即渲染
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// this.targetObject.dirty = false; // 标记为不需要立即渲染
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@@ -447,6 +447,7 @@
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</template>
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</CanvasEditor>
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</div>
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<img src="" alt="" id="canvas-test-dom">
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</div>
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</template>
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<style>
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@@ -458,6 +459,13 @@
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height: 600px !important;
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z-index: 99999999;
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}
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#canvas-test-dom{
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position: fixed;
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z-index: 9999999999;
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top: 0;
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left: 0;
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pointer-events: none;
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}
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</style>
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<style scoped lang="less">
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* {
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