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Rotate map canvas after composition

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This commit is contained in:
Andreas Hocevar
2016-02-13 21:55:09 +01:00
parent 98b823c5fc
commit a109062b1f
12 changed files with 171 additions and 79 deletions
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8
src/ol/renderer/canvas/canvasvectorlayerrenderer.js
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@@ -106,6 +106,11 @@ ol.renderer.canvas.VectorLayer.prototype.composeFrame = function(frameState, lay
var alpha = replayContext.globalAlpha;
replayContext.globalAlpha = layerState.opacity;
var width = frameState.size[0] * pixelRatio;
var height = frameState.size[1] * pixelRatio;
replayContext.translate(width / 2, height / 2);
replayContext.rotate(-rotation);
replayContext.translate(-width / 2, -height / 2);
replayGroup.replay(replayContext, pixelRatio, transform, rotation,
skippedFeatureUids);
if (vectorSource.getWrapX() && projection.canWrapX() &&
@@ -135,6 +140,9 @@ ol.renderer.canvas.VectorLayer.prototype.composeFrame = function(frameState, lay
// restore original transform for render and compose events
transform = this.getTransform(frameState, 0);
}
replayContext.translate(width / 2, height / 2);
replayContext.rotate(rotation);
replayContext.translate(-width / 2, -height / 2);
if (replayContext != context) {
this.dispatchRenderEvent(replayContext, frameState, transform);