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Only adjust tile when necessary

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This commit is contained in:
Tim Schaub
2012-09-26 13:12:11 +02:00
parent bdd8a75123
commit 5b36cf1312
1 changed files with 9 additions and 5 deletions
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14
src/ol/renderer/dom/tilelayer.js
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@@ -164,6 +164,7 @@ ol.renderer.dom.TileLayer.prototype.render = function() {
}
var mapExtent = /** @type {!ol.Extent} */ map.getExtent();
var mapResolution = /** @type {number} */ map.getResolution();
var resolutionChanged = (mapResolution !== this.renderedMapResolution_);
var tileLayer = this.getLayer();
var tileStore = tileLayer.getStore();
@@ -264,11 +265,14 @@ ol.renderer.dom.TileLayer.prototype.render = function() {
var style = img.style;
// TODO: use translate method
// TODO: only set this when changed (z change)
style.left = (pixelBounds.minX - tileOffset.x) + 'px';
style.top = (-pixelBounds.maxY - tileOffset.y) + 'px';
style.width = pixelBounds.getWidth() + 'px';
style.height = pixelBounds.getHeight() + 'px';
if (!(key in this.renderedTiles_)) {
var append = !(key in this.renderedTiles_);
if (append || resolutionChanged) {
style.left = (pixelBounds.minX - tileOffset.x) + 'px';
style.top = (-pixelBounds.maxY - tileOffset.y) + 'px';
style.width = pixelBounds.getWidth() + 'px';
style.height = pixelBounds.getHeight() + 'px';
}
if (append) {
this.renderedTiles_[key] = tile;
style.position = 'absolute';
if (tileZ === z) {