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Allow multiple renderGeometryFunctions on ol.layer.Vector

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This commit is contained in:
Tom Payne
2014-01-03 00:17:41 +01:00
parent a83df1ee30
commit 91b0831c68
2 changed files with 41 additions and 22 deletions
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32
src/ol/renderer/canvas/canvasvectorlayerrenderer.js
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@@ -117,18 +117,38 @@ ol.renderer.canvas.VectorLayer.prototype.forEachFeatureAtPixel =
/**
* @private
* @return {function(ol.geom.Geometry): boolean|undefined} Render geometry
* function.
* @return {function(ol.geom.Geometry): boolean} Render geometry function.
*/
ol.renderer.canvas.VectorLayer.prototype.getRenderGeometryFunction_ =
function() {
var vectorLayer = this.getLayer();
goog.asserts.assertInstanceof(vectorLayer, ol.layer.Vector);
var renderGeometryFunction = vectorLayer.getRenderGeometryFunction();
if (!goog.isDef(renderGeometryFunction)) {
renderGeometryFunction = goog.functions.TRUE;
var renderGeometryFunctions = vectorLayer.getRenderGeometryFunctions();
if (!goog.isDef(renderGeometryFunctions)) {
return goog.functions.TRUE;
}
var renderGeometryFunctionsArray = renderGeometryFunctions.getArray();
switch (renderGeometryFunctionsArray.length) {
case 0:
return goog.functions.TRUE;
case 1:
return renderGeometryFunctionsArray[0];
default:
return (
/**
* @param {ol.geom.Geometry} geometry Geometry.
* @return {boolean} Render geometry.
*/
function(geometry) {
var i, ii;
for (i = 0, ii = renderGeometryFunctionsArray.length; i < ii; ++i) {
if (!renderGeometryFunctionsArray[i](geometry)) {
return false;
}
}
return true;
});
}
return renderGeometryFunction;
};