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Tile may be null.

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This commit is contained in:
Tim Schaub
2012-06-22 17:38:39 +02:00
parent 68fdab6824
commit 5b2d29878b
1 changed files with 12 additions and 8 deletions
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src/ol/renderer/TileLayerRenderer.js
+12 -8
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@@ -183,19 +183,23 @@ ol.renderer.TileLayerRenderer.prototype.draw = function(center, resolution) {
} }
for (var j=0; j<numTilesHigh; ++j) { for (var j=0; j<numTilesHigh; ++j) {
tileY = topTileY + (j * yDown); tileY = topTileY + (j * yDown);
tile = this.layer_.getTileForXYZ(tileX, tileY, tileZ);
img = tile.getImg();
img.style.top = pxTileTop + "px";
img.style.left = pxTileLeft + "px";
if (scale !== 1) { if (scale !== 1) {
pxTileBottom = Math.round(pxMinY + ((j+1) * pxTileHeight)); pxTileBottom = Math.round(pxMinY + ((j+1) * pxTileHeight));
img.style.height = (pxTileRight - pxTileLeft) + "px";
img.style.width = (pxTileBottom - pxTileTop) + "px";
} else { } else {
pxTileBottom = pxTileTop + pxTileHeight; pxTileBottom = pxTileTop + pxTileHeight;
} }
tile.load(); tile = this.layer_.getTileForXYZ(tileX, tileY, tileZ);
fragment.appendChild(img); if (tile != null) {
img = tile.getImg();
img.style.top = pxTileTop + "px";
img.style.left = pxTileLeft + "px";
if (scale !== 1) {
img.style.height = (pxTileRight - pxTileLeft) + "px";
img.style.width = (pxTileBottom - pxTileTop) + "px";
}
tile.load();
fragment.appendChild(img);
}
pxTileTop = pxTileBottom; pxTileTop = pxTileBottom;
} }
pxTileLeft = pxTileRight; pxTileLeft = pxTileRight;