66 lines
1.6 KiB
JavaScript
66 lines
1.6 KiB
JavaScript
goog.require('ol.Map');
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goog.require('ol.View');
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goog.require('ol.layer.Image');
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goog.require('ol.proj.Projection');
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goog.require('ol.source.ImageStatic');
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describe('ol.renderer.canvas.ImageLayer', function() {
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describe('#forEachLayerAtCoordinate', function() {
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var map, target, source;
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beforeEach(function(done) {
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var projection = new ol.proj.Projection({
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code: 'custom-image',
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units: 'pixels',
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extent: [0, 0, 200, 200]
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});
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target = document.createElement('div');
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target.style.width = '100px';
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target.style.height = '100px';
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document.body.appendChild(target);
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source = new ol.source.ImageStatic({
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url: 'spec/ol/data/dot.png',
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projection: projection,
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imageExtent: [0, 0, 20, 20]
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});
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map = new ol.Map({
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pixelRatio: 1,
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target: target,
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layers: [new ol.layer.Image({
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source: source
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})],
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view: new ol.View({
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projection: projection,
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center: [10, 10],
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zoom: 2,
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maxZoom: 8
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})
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});
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source.on('imageloadend', function() {
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done();
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});
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});
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afterEach(function() {
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map.setTarget(null);
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document.body.removeChild(target);
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});
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it('properly detects pixels', function() {
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map.renderSync();
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var has = false;
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function hasLayer() {
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has = true;
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}
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map.forEachLayerAtPixel([20, 80], hasLayer);
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expect(has).to.be(true);
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has = false;
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map.forEachLayerAtPixel([10, 90], hasLayer);
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expect(has).to.be(false);
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});
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});
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});
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