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@@ -1227,7 +1227,11 @@ var PDFPageView = (function PDFPageViewClosure() {
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var canvas = document.createElement('canvas');
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canvas.id = 'page' + this.id;
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+ // Keep the canvas hidden until the first draw callback, or until drawing
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+ // is complete when `!this.renderingQueue`, to prevent black flickering.
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canvas.setAttribute('hidden', 'hidden');
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+ var isCanvasHidden = true;
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+
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canvasWrapper.appendChild(canvas);
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if (this.annotationLayer && this.annotationLayer.div) {
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// annotationLayer needs to stay on top
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@@ -1235,7 +1239,6 @@ var PDFPageView = (function PDFPageViewClosure() {
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} else {
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div.appendChild(canvasWrapper);
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}
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- var isCanvasHidden = true;
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this.canvas = canvas;
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var ctx = canvas.getContext('2d', {alpha: false});
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@@ -1317,6 +1320,11 @@ var PDFPageView = (function PDFPageViewClosure() {
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self.renderingState = RenderingStates.FINISHED;
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+ if (isCanvasHidden) {
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+ self.canvas.removeAttribute('hidden');
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+ isCanvasHidden = false;
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+ }
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+
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if (self.loadingIconDiv) {
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div.removeChild(self.loadingIconDiv);
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delete self.loadingIconDiv;
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