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Add tileClass option to ol.source.TileImage

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This commit is contained in:
Tom Payne
2014-01-02 13:39:06 +01:00
parent 969c32a883
commit c85fe457a7
1 changed files with 12 additions and 1 deletions
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13
src/ol/source/tileimagesource.js
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@@ -22,6 +22,9 @@ goog.require('ol.tilegrid.TileGrid');
* logo: (string|undefined),
* opaque: (boolean|undefined),
* projection: ol.proj.ProjectionLike,
* tileClass: (function(new: ol.ImageTile, ol.TileCoord,
* ol.TileState, string, ?string,
* ol.TileLoadFunctionType)|undefined),
* tileGrid: (ol.tilegrid.TileGrid|undefined),
* tileLoadFunction: (ol.TileLoadFunctionType|undefined),
* tileUrlFunction: (ol.TileUrlFunctionType|undefined)}}
@@ -76,6 +79,14 @@ ol.source.TileImage = function(options) {
this.tileLoadFunction = goog.isDef(options.tileLoadFunction) ?
options.tileLoadFunction : ol.source.TileImage.defaultTileLoadFunction;
/**
* @protected
* @type {function(new: ol.ImageTile, ol.TileCoord, ol.TileState, string,
* ?string, ol.TileLoadFunctionType)}
*/
this.tileClass = goog.isDef(options.tileClass) ?
options.tileClass : ol.ImageTile;
};
goog.inherits(ol.source.TileImage, ol.source.Tile);
@@ -116,7 +127,7 @@ ol.source.TileImage.prototype.getTile = function(z, x, y, projection) {
goog.asserts.assert(projection);
var tileCoord = new ol.TileCoord(z, x, y);
var tileUrl = this.tileUrlFunction(tileCoord, projection);
var tile = new ol.ImageTile(
var tile = new this.tileClass(
tileCoord,
goog.isDef(tileUrl) ? ol.TileState.IDLE : ol.TileState.EMPTY,
goog.isDef(tileUrl) ? tileUrl : '',