290 lines
7.6 KiB
JavaScript
290 lines
7.6 KiB
JavaScript
import Circle from '../../../../src/ol/geom/Circle.js';
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import CircleStyle from '../../../../src/ol/style/Circle.js';
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import Feature from '../../../../src/ol/Feature.js';
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import Fill from '../../../../src/ol/style/Fill.js';
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import LineString from '../../../../src/ol/geom/LineString.js';
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import Map from '../../../../src/ol/Map.js';
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import Point from '../../../../src/ol/geom/Point.js';
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import Polygon from '../../../../src/ol/geom/Polygon.js';
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import Stroke from '../../../../src/ol/style/Stroke.js';
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import Style from '../../../../src/ol/style/Style.js';
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import Text from '../../../../src/ol/style/Text.js';
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import VectorImageLayer from '../../../../src/ol/layer/VectorImage.js';
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import VectorSource from '../../../../src/ol/source/Vector.js';
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import View from '../../../../src/ol/View.js';
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describe('ol.rendering.layer.VectorImage', function() {
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const center = [1825927.7316762917, 6143091.089223046];
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let map, source;
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function createMap(renderer) {
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source = new VectorSource();
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map = new Map({
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pixelRatio: 1,
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target: createMapDiv(80, 80),
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renderer: renderer,
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view: new View({
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center: center,
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zoom: 13
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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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}
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map = null;
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});
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function addCircle(r) {
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source.addFeature(new Feature(new Circle(center, r)));
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}
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function addPolygon(r) {
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source.addFeature(new Feature(new Polygon([
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[
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[center[0] - r, center[1] - r],
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[center[0] + r, center[1] - r],
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[center[0] + r, center[1] + r],
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[center[0] - r, center[1] + r],
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[center[0] - r, center[1] - r]
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]
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])));
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}
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it('renders opacity correctly', function(done) {
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createMap('canvas');
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const smallLine = new Feature(new LineString([
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[center[0], center[1] - 1],
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[center[0], center[1] + 1]
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]));
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smallLine.setStyle(new Style({
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zIndex: -99,
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stroke: new Stroke({width: 75, color: 'red'})
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}));
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source.addFeature(smallLine);
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addPolygon(100);
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addCircle(200);
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addPolygon(250);
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addCircle(500);
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addPolygon(600);
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addPolygon(720);
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map.addLayer(new VectorImageLayer({
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source: source
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}));
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map.once('postrender', function() {
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expectResemble(map, 'rendering/ol/layer/expected/vector-canvas.png',
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17, done);
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});
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});
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it('renders transparent layers correctly', function(done) {
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createMap('canvas');
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const smallLine = new Feature(new LineString([
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[center[0], center[1] - 1],
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[center[0], center[1] + 1]
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]));
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smallLine.setStyle([
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new Style({
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stroke: new Stroke({width: 75, color: 'red'})
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}),
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new Style({
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stroke: new Stroke({width: 45, color: 'white'})
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})
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]);
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source.addFeature(smallLine);
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const smallLine2 = new Feature(new LineString([
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[center[0], center[1] - 1000],
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[center[0], center[1] + 1000]
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]));
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smallLine2.setStyle([
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new Style({
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stroke: new Stroke({width: 35, color: 'blue'})
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}),
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new Style({
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stroke: new Stroke({width: 15, color: 'green'})
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})
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]);
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source.addFeature(smallLine2);
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map.addLayer(new VectorImageLayer({
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source: source,
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opacity: 0.5
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}));
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map.once('postrender', function() {
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expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-transparent.png',
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7, done);
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});
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});
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it('renders rotation correctly', function(done) {
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createMap('canvas');
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map.getView().setRotation(Math.PI + Math.PI / 4);
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addPolygon(300);
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addCircle(500);
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map.addLayer(new VectorImageLayer({
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source: source,
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style: new Style({
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stroke: new Stroke({
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width: 2,
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color: 'black'
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})
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})
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}));
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map.once('postrender', function() {
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expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-rotated.png',
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2.9, done);
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});
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});
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it('unskips features correctly', function(done) {
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createMap('canvas');
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addCircle(500);
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addPolygon(300);
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map.skipFeature(source.getFeatures()[1]);
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map.addLayer(new VectorImageLayer({
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source: source,
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style: new Style({
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fill: new Fill({
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color: 'rgba(255,0,0,0.5)'
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}),
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stroke: new Stroke({
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width: 2,
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color: 'black'
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})
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})
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}));
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map.renderSync();
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map.unskipFeature(source.getFeatures()[1]);
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map.once('postrender', function() {
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expectResemble(map, 'rendering/ol/layer/expected/vector.png',
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IMAGE_TOLERANCE, done);
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});
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});
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it('declutters text', function(done) {
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createMap('canvas');
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const layer = new VectorImageLayer({
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source: source
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});
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map.addLayer(layer);
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const centerFeature = new Feature({
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geometry: new Point(center),
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text: 'center'
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});
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source.addFeature(centerFeature);
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source.addFeature(new Feature({
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geometry: new Point([center[0] - 540, center[1]]),
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text: 'west'
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}));
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source.addFeature(new Feature({
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geometry: new Point([center[0] + 540, center[1]]),
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text: 'east'
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}));
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layer.setDeclutter(true);
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layer.setStyle(function(feature) {
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return new Style({
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text: new Text({
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text: feature.get('text'),
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font: '12px sans-serif'
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})
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});
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});
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map.once('postrender', function() {
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const hitDetected = map.getFeaturesAtPixel([42, 42]);
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expect(hitDetected).to.have.length(1);
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expect(hitDetected[0]).to.equal(centerFeature);
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expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-declutter.png',
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2.2, done);
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});
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});
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it('declutters images', function(done) {
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createMap('canvas');
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const layer = new VectorImageLayer({
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source: source
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});
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map.addLayer(layer);
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const centerFeature = new Feature({
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geometry: new Point(center)
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});
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source.addFeature(centerFeature);
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source.addFeature(new Feature({
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geometry: new Point([center[0] - 540, center[1]])
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}));
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source.addFeature(new Feature({
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geometry: new Point([center[0] + 540, center[1]])
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}));
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layer.setDeclutter(true);
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layer.setStyle(function(feature) {
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return new Style({
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image: new CircleStyle({
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radius: 15,
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stroke: new Stroke({
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color: 'blue'
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})
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})
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});
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});
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map.once('postrender', function() {
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const hitDetected = map.getFeaturesAtPixel([40, 40]);
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expect(hitDetected).to.have.length(1);
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expect(hitDetected[0]).to.equal(centerFeature);
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expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-declutter-image.png',
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IMAGE_TOLERANCE, done);
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});
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});
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it('declutters text along lines and images', function(done) {
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createMap('canvas');
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const layer = new VectorImageLayer({
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source: source
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});
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map.addLayer(layer);
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const point = new Feature(new Point(center));
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point.setStyle(new Style({
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image: new CircleStyle({
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radius: 8,
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stroke: new Stroke({
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color: 'blue'
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})
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})
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}));
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const line = new Feature(new LineString([
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[center[0] - 650, center[1] - 200],
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[center[0] + 650, center[1] - 200]
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]));
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line.setStyle(new Style({
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stroke: new Stroke({
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color: '#CCC',
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width: 12
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}),
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text: new Text({
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placement: 'line',
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text: 'east-west',
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font: '12px sans-serif'
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})
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}));
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source.addFeature(point);
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source.addFeature(line);
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layer.setDeclutter(true);
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map.once('postrender', function() {
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expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-declutter-line.png',
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IMAGE_TOLERANCE, done);
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});
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});
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});
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