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Only apply canvas transform if the tiles are scales

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This commit is contained in:
Frederic Junod
2019-05-14 15:33:44 +02:00
parent 3a1d927c41
commit f76b9bdd07
1 changed files with 5 additions and 3 deletions
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src/ol/renderer/canvas/VectorTileLayer.js
+5 -3
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@@ -619,10 +619,12 @@ class CanvasVectorTileLayerRenderer extends CanvasTileLayerRenderer {
const size = source.getTilePixelSize(z, pixelRatio, projection); const size = source.getTilePixelSize(z, pixelRatio, projection);
context.canvas.width = size[0]; context.canvas.width = size[0];
context.canvas.height = size[1]; context.canvas.height = size[1];
const canvasTransform = resetTransform(this.tmpTransform_);
const renderScale = pixelRatio / renderPixelRatio; const renderScale = pixelRatio / renderPixelRatio;
scaleTransform(canvasTransform, renderScale, renderScale); if (renderScale !== 1) {
context.setTransform.apply(context, canvasTransform); const canvasTransform = resetTransform(this.tmpTransform_);
scaleTransform(canvasTransform, renderScale, renderScale);
context.setTransform.apply(context, canvasTransform);
}
const tileExtent = tileGrid.getTileCoordExtent(tileCoord, this.tmpExtent); const tileExtent = tileGrid.getTileCoordExtent(tileCoord, this.tmpExtent);
for (let i = 0, ii = executorGroups.length; i < ii; ++i) { for (let i = 0, ii = executorGroups.length; i < ii; ++i) {
const executorGroup = executorGroups[i]; const executorGroup = executorGroups[i];