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Remove goog.isNull in layer classes

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This commit is contained in:
Marc Jansen
2015-09-29 15:19:27 +02:00
parent be2e4a33ae
commit f5788a32a7
3 changed files with 10 additions and 12 deletions
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6
src/ol/layer/heatmaplayer.js
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@@ -106,8 +106,7 @@ ol.layer.Heatmap = function(opt_options) {
'weightFunction should be a function');
this.setStyle(goog.bind(function(feature, resolution) {
goog.asserts.assert(!goog.isNull(this.styleCache_),
'this.styleCache_ should not be null');
goog.asserts.assert(this.styleCache_, 'this.styleCache_ expected');
goog.asserts.assert(this.circleImage_ !== undefined,
'this.circleImage_ should be defined');
var weight = weightFunction(feature);
@@ -252,8 +251,7 @@ ol.layer.Heatmap.prototype.handleStyleChanged_ = function() {
ol.layer.Heatmap.prototype.handleRender_ = function(event) {
goog.asserts.assert(event.type == ol.render.EventType.RENDER,
'event.type should be RENDER');
goog.asserts.assert(!goog.isNull(this.gradient_),
'this.gradient_ should not be null');
goog.asserts.assert(this.gradient_, 'this.gradient_ expected');
var context = event.context;
var canvas = context.canvas;
var image = context.getImageData(0, 0, canvas.width, canvas.height);