93 lines
2.2 KiB
JavaScript
93 lines
2.2 KiB
JavaScript
goog.provide('ol.test.rendering.layer.Image');
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describe('ol.rendering.layer.Image', function() {
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var target, map;
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function createMap(renderer) {
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target = createMapDiv(50, 50);
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map = new ol.Map({
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target: target,
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renderer: renderer,
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view: new ol.View({
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center: ol.proj.transform(
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[-122.416667, 37.783333], 'EPSG:4326', 'EPSG:3857'),
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zoom: 5
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})
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});
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return map;
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}
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function waitForImages(sources, layerOptions, onImagesLoaded) {
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var imagesLoading = 0;
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var imagesLoaded = 0;
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var update = function() {
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if (imagesLoading === imagesLoaded) {
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onImagesLoaded();
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}
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};
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sources.forEach(function(source) {
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source.on('imageloadstart', function(event) {
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imagesLoading++;
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});
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source.on('imageloadend', function(event) {
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imagesLoaded++;
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update();
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});
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source.on('imageloaderror', function(event) {
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expect().fail('Image failed to load');
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});
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var options = {
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source: source
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};
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goog.object.extend(options, layerOptions);
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map.addLayer(new ol.layer.Image(options));
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});
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}
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describe('single image layer', function() {
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var source;
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beforeEach(function() {
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source = new ol.source.ImageStatic({
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url: 'spec/ol/data/tiles/osm/5/5/12.png',
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imageExtent: ol.tilegrid.createXYZ().getTileCoordExtent(
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[5, 5, -12 - 1]),
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projection: ol.proj.get('EPSG:3857')
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});
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});
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afterEach(function() {
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disposeMap(map);
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});
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it('tests the canvas renderer', function(done) {
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map = createMap('canvas');
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waitForImages([source], {}, function() {
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expectResemble(map, 'spec/ol/layer/expected/image-canvas.png',
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IMAGE_TOLERANCE, done);
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});
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});
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it('tests the WebGL renderer', function(done) {
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assertWebGL();
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map = createMap('webgl');
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waitForImages([source], {}, function() {
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expectResemble(map, 'spec/ol/layer/expected/image-webgl.png',
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IMAGE_TOLERANCE, done);
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});
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});
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});
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});
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goog.require('goog.object');
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goog.require('ol.proj');
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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.source.ImageStatic');
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