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Avoid clearing canvas twice

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This commit is contained in:
Tom Payne
2013-11-12 01:26:41 +01:00
parent 7fd4e1ba56
commit e44dfb1c6c
1 changed files with 4 additions and 3 deletions
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7
src/ol/renderer/canvas/canvasmaprenderer.js
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@@ -95,15 +95,16 @@ ol.renderer.canvas.Map.prototype.renderFrame = function(frameState) {
return;
}
var context = this.context_;
var size = frameState.size;
if (this.canvas_.width != size[0] || this.canvas_.height != size[1]) {
this.canvas_.width = size[0];
this.canvas_.height = size[1];
} else {
context.clearRect(0, 0, size[0], size[1]);
}
var context = this.context_;
context.clearRect(0, 0, size[0], size[1]);
this.calculateMatrices2D(frameState);
var layerStates = frameState.layerStates;