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Use for loop instead of forEach in canvas map renderer

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Tom Payne
2013-04-19 20:09:58 +02:00
parent 72767f5d17
commit 37d3f7b4c1
1 changed files with 11 additions and 8 deletions
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src/ol/renderer/canvas/canvasmaprenderer.js
+11 -8
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@@ -2,7 +2,6 @@
goog.provide('ol.renderer.canvas.Map'); goog.provide('ol.renderer.canvas.Map');
goog.require('goog.array');
goog.require('goog.asserts'); goog.require('goog.asserts');
goog.require('goog.dom'); goog.require('goog.dom');
goog.require('goog.dom.TagName'); goog.require('goog.dom.TagName');
@@ -119,18 +118,22 @@ ol.renderer.canvas.Map.prototype.renderFrame = function(frameState) {
this.calculateMatrices2D(frameState); this.calculateMatrices2D(frameState);
goog.array.forEach(frameState.layersArray, function(layer) { var layerStates = frameState.layerStates;
var layersArray = frameState.layersArray;
var i, image, layer, layerRenderer, layerState, transform;
for (i = 0; i < layersArray.length; ++i) {
var layerRenderer = this.getLayerRenderer(layer); layer = layersArray[i];
var layerState = frameState.layerStates[goog.getUid(layer)]; layerRenderer = this.getLayerRenderer(layer);
layerState = layerStates[goog.getUid(layer)];
if (!layerState.visible || !layerState.ready) { if (!layerState.visible || !layerState.ready) {
return; continue;
} }
layerRenderer.renderFrame(frameState, layerState); layerRenderer.renderFrame(frameState, layerState);
var image = layerRenderer.getImage(); image = layerRenderer.getImage();
if (!goog.isNull(image)) { if (!goog.isNull(image)) {
var transform = layerRenderer.getTransform(); transform = layerRenderer.getTransform();
context.setTransform( context.setTransform(
goog.vec.Mat4.getElement(transform, 0, 0), goog.vec.Mat4.getElement(transform, 0, 0),
goog.vec.Mat4.getElement(transform, 1, 0), goog.vec.Mat4.getElement(transform, 1, 0),
@@ -143,7 +146,7 @@ ol.renderer.canvas.Map.prototype.renderFrame = function(frameState) {
context.drawImage(image, 0, 0); context.drawImage(image, 0, 0);
} }
}, this); }
if (!this.renderedVisible_) { if (!this.renderedVisible_) {
goog.style.showElement(this.canvas_, true); goog.style.showElement(this.canvas_, true);