ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Deal with null images

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

32
src/ol/renderer/webgl/webglimagelayerrenderer.js
View File

@@ -161,21 +161,23 @@ ol.renderer.webgl.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_;
texture = this.createTexture_(image_);
if (!goog.isNull(this.texture_)) {
frameState.postRenderFunctions.push(
goog.partial(function(gl, texture) {
if (!gl.isContextLost()) {
gl.deleteTexture(texture);
}
}, gl, this.texture_));
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_;
texture = this.createTexture_(image_);
if (!goog.isNull(this.texture_)) {
frameState.postRenderFunctions.push(
goog.partial(function(gl, texture) {
if (!gl.isContextLost()) {
gl.deleteTexture(texture);
}
}, gl, this.texture_));
}
}
}
}