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If image size is not provided, determine resolution on load

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This commit is contained in:
Tim Schaub
2014-10-05 08:44:32 -06:00
parent 63f126a528
commit ddc3dbaa87
3 changed files with 56 additions and 18 deletions
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6
src/ol/image.js
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@@ -7,6 +7,7 @@ goog.require('goog.events.EventType');
goog.require('goog.object');
goog.require('ol.ImageBase');
goog.require('ol.ImageState');
goog.require('ol.extent');
@@ -14,7 +15,7 @@ goog.require('ol.ImageState');
* @constructor
* @extends {ol.ImageBase}
* @param {ol.Extent} extent Extent.
* @param {number} resolution Resolution.
* @param {number|undefined} resolution Resolution.
* @param {number} pixelRatio Pixel ratio.
* @param {Array.<ol.Attribution>} attributions Attributions.
* @param {string} src Image source URI.
@@ -103,6 +104,9 @@ ol.Image.prototype.handleImageError_ = function() {
* @private
*/
ol.Image.prototype.handleImageLoad_ = function() {
if (!goog.isDef(this.resolution)) {
this.resolution = ol.extent.getHeight(this.extent) / this.image_.height;
}
this.state = ol.ImageState.LOADED;
this.unlistenImage_();
this.changed();