123 lines
3.4 KiB
JavaScript
123 lines
3.4 KiB
JavaScript
import Feature from '../../../../src/ol/Feature.js';
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import Point from '../../../../src/ol/geom/Point.js';
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import Map from '../../../../src/ol/Map.js';
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import View from '../../../../src/ol/View.js';
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import VectorLayer from '../../../../src/ol/layer/Vector.js';
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import VectorSource from '../../../../src/ol/source/Vector.js';
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import Icon from '../../../../src/ol/style/Icon.js';
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import Style from '../../../../src/ol/style/Style.js';
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describe('ol.rendering.style.Icon', function() {
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var map, vectorSource;
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var imgInfo = {
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anchor: [0.5, 46],
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anchorXUnits: 'fraction',
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anchorYUnits: 'pixels',
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opacity: 0.75,
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scale: 0.5,
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imgSize: [32, 48]
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};
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function createMap(renderer, width, height) {
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vectorSource = new VectorSource();
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var vectorLayer = new VectorLayer({
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source: vectorSource
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});
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map = new Map({
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pixelRatio: 1,
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target: createMapDiv(width ? width : 50, height ? height : 50),
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renderer: renderer,
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layers: [vectorLayer],
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view: new View({
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projection: 'EPSG:4326',
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center: [0, 0],
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resolution: 1
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})
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});
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}
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afterEach(function() {
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if (map) {
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disposeMap(map);
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map = null;
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}
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});
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describe('#render', function() {
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function createFeatures(src, imgInfo, callback) {
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var feature;
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feature = new Feature({
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geometry: new Point([0, 0])
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});
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var img = new Image();
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img.onload = function() {
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imgInfo.img = img;
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feature.setStyle(new Style({
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image: new Icon(/** @type {olx.style.IconOptions} */ (imgInfo))
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}));
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vectorSource.addFeature(feature);
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callback();
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};
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img.src = src;
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}
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it('tests the canvas renderer', function(done) {
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createMap('canvas');
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createFeatures('rendering/ol/data/icon.png', imgInfo, function() {
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expectResemble(map, 'rendering/ol/style/expected/icon-canvas.png',
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IMAGE_TOLERANCE, done);
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});
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});
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it('scales svg correctly in the canvas renderer', function(done) {
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createMap('canvas', 512, 512);
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createFeatures('rendering/ol/data/me0.svg', {
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scale: 96 / 512,
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imgSize: [512, 512]
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}, function() {
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expectResemble(map, 'rendering/ol/style/expected/icon-canvas-svg-scale.png',
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IMAGE_TOLERANCE, done);
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});
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});
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it('uses offset correctly in the canvas renderer', function(done) {
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createMap('canvas', 256, 512);
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createFeatures('rendering/ol/data/me0.svg', {
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offset: [0, 256],
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size: [256, 256],
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imgSize: [512, 512]
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}, function() {
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expectResemble(map, 'rendering/ol/style/expected/icon-canvas-svg-offset.png',
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IMAGE_TOLERANCE, done);
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});
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});
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it('uses offset correctly if it is larger than size in the canvas renderer', function(done) {
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createMap('canvas', 256, 512);
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createFeatures('rendering/ol/data/me0.svg', {
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offset: [0, 374],
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size: [256, 256],
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imgSize: [512, 512]
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}, function() {
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expectResemble(map, 'rendering/ol/style/expected/icon-canvas-svg-offset2.png',
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IMAGE_TOLERANCE, done);
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});
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});
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where('WebGL').it('tests the WebGL renderer', function(done) {
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assertWebGL();
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createMap('webgl');
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createFeatures('rendering/ol/data/icon.png', imgInfo, function() {
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expectResemble(map, 'rendering/ol/style/expected/icon-webgl.png',
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2.0, done);
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});
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});
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});
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});
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