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Enable extent clipping for vector tile layers

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This commit is contained in:
Andreas Hocevar
2016-08-23 15:20:00 +02:00
parent 1c73dc9088
commit f490302959
1 changed files with 13 additions and 0 deletions
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13
src/ol/renderer/canvas/vectortilelayer.js
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@@ -72,6 +72,14 @@ ol.renderer.canvas.VectorTileLayer.prototype.composeFrame = function(
frameState, layerState, context) {
var transform = this.getTransform(frameState, 0);
this.dispatchPreComposeEvent(context, frameState, transform);
// clipped rendering if layer extent is set
var extent = layerState.extent;
var clipped = extent !== undefined;
if (clipped) {
this.clip(context, frameState, extent);
}
var renderMode = this.getLayer().getRenderMode();
if (renderMode !== ol.layer.VectorTileRenderType.VECTOR) {
this.renderTileImages(context, frameState, layerState);
@@ -79,6 +87,11 @@ ol.renderer.canvas.VectorTileLayer.prototype.composeFrame = function(
if (renderMode !== ol.layer.VectorTileRenderType.IMAGE) {
this.renderTileReplays_(context, frameState, layerState);
}
if (clipped) {
context.restore();
}
this.dispatchPostComposeEvent(context, frameState, transform);
};