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Re-use ol.Extent objects

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This commit is contained in:
Tom Payne
2013-04-09 17:30:46 +02:00
parent ee8e565be2
commit fe03ebe99c
6 changed files with 20 additions and 12 deletions
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4
src/ol/tileurlfunction.js
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@@ -3,6 +3,7 @@ goog.provide('ol.TileUrlFunctionType');
goog.require('goog.array');
goog.require('goog.math');
goog.require('ol.Extent');
goog.require('ol.TileCoord');
@@ -68,6 +69,7 @@ ol.TileUrlFunction.createFromTileUrlFunctions = function(tileUrlFunctions) {
*/
ol.TileUrlFunction.createFromParamsFunction =
function(baseUrl, params, paramsFunction) {
var tmpExtent = new ol.Extent(0, 0, 0, 0);
return function(tileCoord, projection) {
if (goog.isNull(tileCoord)) {
return undefined;
@@ -77,7 +79,7 @@ ol.TileUrlFunction.createFromParamsFunction =
tileGrid = ol.tilegrid.getForProjection(projection);
}
var size = tileGrid.getTileSize(tileCoord.z);
var extent = tileGrid.getTileCoordExtent(tileCoord);
var extent = tileGrid.getTileCoordExtent(tileCoord, tmpExtent);
return paramsFunction.call(this, baseUrl, params,
extent, size, projection);
}