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Don't compute value more that once

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This commit is contained in:
Frederic Junod
2018-11-12 11:38:20 +01:00
parent 647421f07b
commit 5eed22286b
2 changed files with 12 additions and 14 deletions
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10
src/ol/renderer/canvas/VectorLayer.js
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@@ -161,10 +161,9 @@ class CanvasVectorLayerRenderer extends CanvasLayerRenderer {
const viewHints = frameState.viewHints;
const snapToPixel = !(viewHints[ViewHint.ANIMATING] || viewHints[ViewHint.INTERACTING]);
const width = frameState.size[0] * pixelRatio;
const height = frameState.size[1] * pixelRatio;
rotateAtOffset(replayContext, -rotation,
width / 2, height / 2);
const halfWidth = (frameState.size[0] * pixelRatio) / 2;
const halfHeight = (frameState.size[1] * pixelRatio) / 2;
rotateAtOffset(replayContext, -rotation, halfWidth, halfHeight);
replayGroup.replay(replayContext, transform, rotation, skippedFeatureUids, snapToPixel);
if (vectorSource.getWrapX() && projection.canWrapX() &&
!containsExtent(projectionExtent, extent)) {
@@ -189,8 +188,7 @@ class CanvasVectorLayerRenderer extends CanvasLayerRenderer {
startX -= worldWidth;
}
}
rotateAtOffset(replayContext, rotation,
width / 2, height / 2);
rotateAtOffset(replayContext, rotation, halfWidth, halfHeight);
if (hasRenderListeners) {
this.dispatchRenderEvent(replayContext, frameState, transform);