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Avoid creating extra ol.Size object in getPixelBoundsForTileCoordAndResolution

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Tom Payne
2013-03-24 13:49:47 +01:00
parent 5771057ae1
commit e023e6fa2f
1 changed files with 6 additions and 7 deletions
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13
src/ol/tilegrid/tilegrid.js
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@@ -137,13 +137,12 @@ ol.tilegrid.TileGrid.prototype.getPixelBoundsForTileCoordAndResolution =
function(tileCoord, resolution) {
var scale = resolution / this.getResolution(tileCoord.z);
var tileSize = this.getTileSize(tileCoord.z);
tileSize = new ol.Size(tileSize.width / scale,
tileSize.height / scale);
var minX, maxX, minY, maxY;
minX = Math.round(tileCoord.x * tileSize.width);
maxX = Math.round((tileCoord.x + 1) * tileSize.width);
minY = Math.round(tileCoord.y * tileSize.height);
maxY = Math.round((tileCoord.y + 1) * tileSize.height);
var tileWidth = tileSize.width / scale;
var tileHeight = tileSize.height / scale;
var minX = Math.round(tileCoord.x * tileWidth);
var minY = Math.round(tileCoord.y * tileHeight);
var maxX = Math.round((tileCoord.x + 1) * tileWidth);
var maxY = Math.round((tileCoord.y + 1) * tileHeight);
return new ol.PixelBounds(minX, minY, maxX, maxY);
};