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Clip image only if the layer extent intersects the view extent

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Thomas Chandelle
2017-04-10 14:03:22 +02:00
parent 55ace18509
commit 76ddcd405d
1 changed files with 4 additions and 1 deletions
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src/ol/renderer/canvas/intermediatecanvas.js
+4 -1
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@@ -3,6 +3,7 @@ goog.provide('ol.renderer.canvas.IntermediateCanvas');
goog.require('ol'); goog.require('ol');
goog.require('ol.coordinate'); goog.require('ol.coordinate');
goog.require('ol.dom'); goog.require('ol.dom');
goog.require('ol.extent');
goog.require('ol.renderer.canvas.Layer'); goog.require('ol.renderer.canvas.Layer');
goog.require('ol.transform'); goog.require('ol.transform');
@@ -45,7 +46,9 @@ ol.renderer.canvas.IntermediateCanvas.prototype.composeFrame = function(frameSta
// clipped rendering if layer extent is set // clipped rendering if layer extent is set
var extent = layerState.extent; var extent = layerState.extent;
var clipped = extent !== undefined; var clipped = extent !== undefined &&
!ol.extent.containsExtent(extent, frameState.extent) &&
ol.extent.intersects(extent, frameState.extent);
if (clipped) { if (clipped) {
this.clip(context, frameState, /** @type {ol.Extent} */ (extent)); this.clip(context, frameState, /** @type {ol.Extent} */ (extent));
} }