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Deal with null images

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This commit is contained in:
Éric Lemoine
2013-02-17 23:07:58 +01:00
parent be6c1a1a27
commit d713c9b8ed
3 changed files with 36 additions and 31 deletions
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src/ol/renderer/dom/domimagelayerrenderer.js
+9 -7
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@@ -68,13 +68,15 @@ ol.renderer.dom.ImageLayer.prototype.renderFrame =
if (!hints[ol.ViewHint.ANIMATING] && !hints[ol.ViewHint.PANNING]) {
var image_ = imageSource.getImage(frameState.extent, viewResolution);
var imageState = image_.getState();
if (imageState == ol.ImageState.IDLE) {
goog.events.listenOnce(image_, goog.events.EventType.CHANGE,
this.handleImageChange, false, this);
image_.load();
} else if (imageState == ol.ImageState.LOADED) {
image = image_;
if (!goog.isNull(image_)) {
var imageState = image_.getState();
if (imageState == ol.ImageState.IDLE) {
goog.events.listenOnce(image_, goog.events.EventType.CHANGE,
this.handleImageChange, false, this);
image_.load();
} else if (imageState == ol.ImageState.LOADED) {
image = image_;
}
}
}