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Small feature overlay optimization

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Compute `getSquaredTolerance` once, out of the loops.
This commit is contained in:
Guillaume Beraudo
2014-11-06 11:49:44 +01:00
parent d77d504d01
commit 6b8a5870ba
1 changed files with 3 additions and 2 deletions
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src/ol/featureoverlay.js
+3 -2
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@@ -176,6 +176,8 @@ ol.FeatureOverlay.prototype.handleMapPostCompose_ = function(event) {
var frameState = event.frameState; var frameState = event.frameState;
var pixelRatio = frameState.pixelRatio; var pixelRatio = frameState.pixelRatio;
var resolution = frameState.viewState.resolution; var resolution = frameState.viewState.resolution;
var squaredTolerance = ol.renderer.vector.getSquaredTolerance(resolution,
pixelRatio);
var i, ii, styles, featureStyleFunction; var i, ii, styles, featureStyleFunction;
this.features_.forEach(function(feature) { this.features_.forEach(function(feature) {
featureStyleFunction = feature.getStyleFunction(); featureStyleFunction = feature.getStyleFunction();
@@ -189,8 +191,7 @@ ol.FeatureOverlay.prototype.handleMapPostCompose_ = function(event) {
ii = styles.length; ii = styles.length;
for (i = 0; i < ii; ++i) { for (i = 0; i < ii; ++i) {
ol.renderer.vector.renderFeature(replayGroup, feature, styles[i], ol.renderer.vector.renderFeature(replayGroup, feature, styles[i],
ol.renderer.vector.getSquaredTolerance(resolution, pixelRatio), squaredTolerance, feature, this.handleImageChange_, this);
feature, this.handleImageChange_, this);
} }
}, this); }, this);
}; };