Replaces vector.tests.js with new tests
Transforms the old rendering tests for the LayerVector to the new rendering test approach.
This commit is contained in:
Kai Volland
@@ -1,762 +0,0 @@
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import Feature from '../../../../src/ol/Feature.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 GeoJSON from '../../../../src/ol/format/GeoJSON.js';
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import Circle from '../../../../src/ol/geom/Circle.js';
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import LineString from '../../../../src/ol/geom/LineString.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 VectorLayer from '../../../../src/ol/layer/Vector.js';
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import VectorSource from '../../../../src/ol/source/Vector.js';
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import CircleStyle from '../../../../src/ol/style/Circle.js';
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import Fill from '../../../../src/ol/style/Fill.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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describe('ol.rendering.layer.Vector', function() {
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const center = [1825927.7316762917, 6143091.089223046];
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let map;
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function createMap() {
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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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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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let source;
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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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function addLineString(r) {
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source.addFeature(new Feature(new LineString([
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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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describe('vector layer', function() {
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beforeEach(function() {
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source = new VectorSource();
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});
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it('renders opacity correctly with the canvas renderer', function(done) {
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createMap();
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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 VectorLayer({
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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 with the canvas renderer', function(done) {
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createMap();
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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 VectorLayer({
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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 with the canvas renderer', function(done) {
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createMap();
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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 VectorLayer({
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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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1.7, done);
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});
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});
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it('renders fill/stroke batches correctly with the canvas renderer', function(done) {
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createMap();
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source = new VectorSource({
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overlaps: false
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});
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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 VectorLayer({
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source: source,
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style: new Style({
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stroke: new Stroke({
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color: '#3399CC',
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width: 1.25
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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-opaque.png',
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24.34, done);
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});
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});
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it('renders stroke batches correctly with the canvas renderer', function(done) {
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createMap();
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source = new VectorSource({
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overlaps: false
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});
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addLineString(100);
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addLineString(250);
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addLineString(600);
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addLineString(720);
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map.addLayer(new VectorLayer({
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source: source,
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style: new Style({
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stroke: new Stroke({
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color: '#3399CC',
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width: 1.25
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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-stroke.png',
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7, done);
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});
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});
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it('interrupts fill/stroke batches correctly with the canvas renderer', function(done) {
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createMap();
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let color;
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function createSource(overlaps) {
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color = '#3399CC';
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source = new VectorSource({
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overlaps: overlaps
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});
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addPolygon(720);
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addPolygon(600);
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addCircle(500);
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addPolygon(250);
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addCircle(200);
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addPolygon(100);
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return source;
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}
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function alternateColor() {
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if (color == '#3399CC') {
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color = '#CC9933';
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} else {
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color = '#3399CC';
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}
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return color;
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}
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const layer = new VectorLayer({
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source: createSource(true),
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style: function(feature) {
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alternateColor();
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return new Style({
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stroke: new Stroke({
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color: alternateColor(),
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width: 1.25
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}),
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fill: new Fill({
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color: alternateColor()
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})
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});
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}
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});
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map.addLayer(layer);
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map.once('postrender', function() {
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const canvas = map.getRenderer().canvas_;
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// take a snapshot of this `overlaps: true` image
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const referenceImage = canvas.toDataURL('image/png');
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// now render the same with `overlaps: false`
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layer.setSource(createSource(false));
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// result should be the same as with `overlaps: true`
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map.once('postrender', function(e) {
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expectResemble(map, referenceImage, 1e-9, done);
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});
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});
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});
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it('interrupts stroke batches correctly with the canvas renderer', function(done) {
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createMap();
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let color;
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function createSource(overlaps) {
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color = '#3399CC';
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source = new VectorSource({
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overlaps: overlaps
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});
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addLineString(720);
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addLineString(600);
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addLineString(250);
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addLineString(100);
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return source;
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}
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function alternateColor() {
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if (color == '#3399CC') {
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color = '#CC9933';
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} else {
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color = '#3399CC';
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}
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return color;
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}
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const layer = new VectorLayer({
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source: createSource(true),
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style: function(feature) {
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alternateColor();
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return new Style({
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stroke: new Stroke({
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color: alternateColor(),
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width: 1.25
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}),
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fill: new Fill({
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color: alternateColor()
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})
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});
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}
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});
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map.addLayer(layer);
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map.once('postrender', function() {
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const canvas = map.getRenderer().canvas_;
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// take a snapshot of this `overlaps: true` image
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const referenceImage = canvas.toDataURL('image/png');
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// now render the same with `overlaps: false`
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layer.setSource(createSource(false));
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// result should be exactly the same as with `overlaps: true`
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map.once('postrender', function() {
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expectResemble(map, referenceImage, 1e-9, done);
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});
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});
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});
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});
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describe('polygon rendering', function() {
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let map2;
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beforeEach(function() {
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map2 = new Map({
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pixelRatio: 1,
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target: createMapDiv(128, 128),
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view: new View({
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center: [0, 0],
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zoom: 0
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})
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});
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});
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afterEach(function() {
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disposeMap(map2);
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map2 = null;
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});
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it('renders a feature that spans the world', function(done) {
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const json = {
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type: 'Feature',
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geometry: {
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type: 'Polygon',
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coordinates: [
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[
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[-180, -90], [180, -90], [180, 90], [-180, 90], [-180, -90]
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],
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[
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[0, 60], [-17.6336, 24.2705], [-57.0634, 18.5410], [-28.5317, -9.2705], [-35.2671, -48.5410], [0, -30], [35.2671, -48.5410], [28.5317, -9.2705], [57.0634, 18.5410], [17.6336, 24.2705], [0, 60]
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]
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]
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},
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properties: {}
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};
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const format = new GeoJSON({featureProjection: 'EPSG:3857'});
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const feature = format.readFeature(json);
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const layer = new VectorLayer({
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source: new VectorSource({
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features: [feature]
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}),
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style: new Style({
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fill: new Fill({
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color: 'blue'
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})
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})
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});
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map2.addLayer(layer);
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map2.once('postrender', function() {
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expectResemble(map2, 'rendering/ol/layer/expected/inverted-star.png', 1, done);
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});
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});
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});
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describe('Polygon simplification', function() {
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let layer, map3;
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beforeEach(function() {
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const src = new VectorSource({
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features: [
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new Feature(new Polygon([[
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[-22, 58],
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[-22, 78],
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[-9, 78],
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[-9, 58],
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[-22, 58]
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]])),
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new Feature(new Polygon([[
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[-9, 58],
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[-9, 78],
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[4, 78],
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[4, 58],
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[-9, 58]
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]]))
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]
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});
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layer = new VectorLayer({
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renderBuffer: 0,
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source: src
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});
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const view = new View({
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center: [-9.5, 78],
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zoom: 2,
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projection: 'EPSG:4326'
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});
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map3 = new Map({
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pixelRatio: 1,
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layers: [layer],
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target: createMapDiv(100, 100),
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view: view
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});
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});
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afterEach(function() {
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disposeMap(map3);
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map3 = null;
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});
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it('renders partially out-of-view polygons with a fill and stroke', function(done) {
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layer.setStyle(new Style({
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stroke: new Stroke({
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color: [0, 0, 0, 1],
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width: 2
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}),
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fill: new Fill({
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color: [255, 0, 0, 1]
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})
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}));
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map3.once('postrender', function() {
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expectResemble(map3, 'rendering/ol/layer/expected/vector-canvas-simplified.png',
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IMAGE_TOLERANCE, done);
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});
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});
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it('renders partially out-of-view polygons with a fill', function(done) {
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layer.setStyle(new Style({
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fill: new Fill({
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color: [0, 0, 0, 1]
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})
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}));
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map3.once('postrender', function() {
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expectResemble(map3, 'rendering/ol/layer/expected/vector-canvas-simplified-fill.png',
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IMAGE_TOLERANCE, done);
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});
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});
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it('renders partially out-of-view polygons with a stroke', function(done) {
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layer.setStyle(new Style({
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stroke: new Stroke({
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color: [0, 0, 0, 1],
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width: 2
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})
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}));
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map3.once('postrender', function() {
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expectResemble(map3, 'rendering/ol/layer/expected/vector-canvas-simplified-stroke.png',
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IMAGE_TOLERANCE, done);
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});
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});
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});
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describe('decluttering', function() {
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beforeEach(function() {
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source = new VectorSource();
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});
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it('declutters text', function(done) {
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createMap();
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const layer = new VectorLayer({
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declutter: true,
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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.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 text and respects z-index', function(done) {
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createMap();
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const layer = new VectorLayer({
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declutter: true,
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source: source
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});
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map.addLayer(layer);
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source.addFeature(new Feature({
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geometry: new Point(center),
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text: 'center',
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zIndex: 2
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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: 'west',
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zIndex: 3
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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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zIndex: 1
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}));
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|
||||
layer.setStyle(function(feature) {
|
||||
return new Style({
|
||||
zIndex: feature.get('zIndex'),
|
||||
text: new Text({
|
||||
text: feature.get('text'),
|
||||
font: '12px sans-serif'
|
||||
})
|
||||
});
|
||||
});
|
||||
|
||||
map.once('postrender', function() {
|
||||
expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-declutter-zindex.png',
|
||||
3.9, done);
|
||||
});
|
||||
});
|
||||
|
||||
it('declutters images', function(done) {
|
||||
createMap();
|
||||
const layer = new VectorLayer({
|
||||
declutter: true,
|
||||
source: source
|
||||
});
|
||||
map.addLayer(layer);
|
||||
|
||||
const centerFeature = new Feature({
|
||||
geometry: new Point(center)
|
||||
});
|
||||
source.addFeature(centerFeature);
|
||||
source.addFeature(new Feature({
|
||||
geometry: new Point([center[0] - 540, center[1]])
|
||||
}));
|
||||
source.addFeature(new Feature({
|
||||
geometry: new Point([center[0] + 540, center[1]])
|
||||
}));
|
||||
|
||||
layer.setStyle(function(feature) {
|
||||
return new Style({
|
||||
image: new CircleStyle({
|
||||
radius: 15,
|
||||
stroke: new Stroke({
|
||||
color: 'blue'
|
||||
})
|
||||
})
|
||||
});
|
||||
});
|
||||
|
||||
map.once('postrender', function() {
|
||||
const hitDetected = map.getFeaturesAtPixel([40, 40]);
|
||||
expect(hitDetected).to.have.length(1);
|
||||
expect(hitDetected[0]).to.equal(centerFeature);
|
||||
expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-declutter-image.png',
|
||||
IMAGE_TOLERANCE, done);
|
||||
});
|
||||
});
|
||||
|
||||
it('declutters images and respects z-index', function(done) {
|
||||
createMap();
|
||||
const layer = new VectorLayer({
|
||||
declutter: true,
|
||||
source: source
|
||||
});
|
||||
map.addLayer(layer);
|
||||
|
||||
source.addFeature(new Feature({
|
||||
geometry: new Point(center),
|
||||
zIndex: 2
|
||||
}));
|
||||
source.addFeature(new Feature({
|
||||
geometry: new Point([center[0] - 540, center[1]]),
|
||||
zIndex: 3
|
||||
}));
|
||||
source.addFeature(new Feature({
|
||||
geometry: new Point([center[0] + 540, center[1]]),
|
||||
zIndex: 1
|
||||
}));
|
||||
|
||||
layer.setStyle(function(feature) {
|
||||
return new Style({
|
||||
zIndex: feature.get('zIndex'),
|
||||
image: new CircleStyle({
|
||||
radius: 15,
|
||||
stroke: new Stroke({
|
||||
color: 'blue'
|
||||
})
|
||||
})
|
||||
});
|
||||
});
|
||||
|
||||
map.once('postrender', function() {
|
||||
expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-declutter-image-zindex.png',
|
||||
IMAGE_TOLERANCE, done);
|
||||
});
|
||||
});
|
||||
|
||||
it('declutters image & text groups', function(done) {
|
||||
createMap();
|
||||
const layer = new VectorLayer({
|
||||
declutter: true,
|
||||
source: source
|
||||
});
|
||||
map.addLayer(layer);
|
||||
|
||||
source.addFeature(new Feature({
|
||||
geometry: new Point(center),
|
||||
text: 'center'
|
||||
}));
|
||||
source.addFeature(new Feature({
|
||||
geometry: new Point([center[0] - 540, center[1]]),
|
||||
text: 'west'
|
||||
}));
|
||||
source.addFeature(new Feature({
|
||||
geometry: new Point([center[0] + 540, center[1]]),
|
||||
text: 'east'
|
||||
}));
|
||||
|
||||
layer.setStyle(function(feature) {
|
||||
return new Style({
|
||||
image: new CircleStyle({
|
||||
radius: 5,
|
||||
stroke: new Stroke({
|
||||
color: 'blue'
|
||||
})
|
||||
}),
|
||||
text: new Text({
|
||||
text: feature.get('text'),
|
||||
font: '12px sans-serif',
|
||||
textBaseline: 'bottom',
|
||||
offsetY: -5
|
||||
})
|
||||
});
|
||||
});
|
||||
|
||||
map.once('postrender', function() {
|
||||
expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-declutter-group.png',
|
||||
2.2, done);
|
||||
});
|
||||
});
|
||||
|
||||
it('declutters text along lines and images', function(done) {
|
||||
createMap();
|
||||
const layer = new VectorLayer({
|
||||
declutter: true,
|
||||
source: source
|
||||
});
|
||||
map.addLayer(layer);
|
||||
|
||||
const point = new Feature(new Point(center));
|
||||
point.setStyle(new Style({
|
||||
image: new CircleStyle({
|
||||
radius: 8,
|
||||
stroke: new Stroke({
|
||||
color: 'blue'
|
||||
})
|
||||
})
|
||||
}));
|
||||
const line = new Feature(new LineString([
|
||||
[center[0] - 650, center[1] - 200],
|
||||
[center[0] + 650, center[1] - 200]
|
||||
]));
|
||||
line.setStyle(new Style({
|
||||
stroke: new Stroke({
|
||||
color: '#CCC',
|
||||
width: 12
|
||||
}),
|
||||
text: new Text({
|
||||
placement: 'line',
|
||||
text: 'east-west',
|
||||
font: '12px sans-serif'
|
||||
})
|
||||
}));
|
||||
|
||||
source.addFeature(point);
|
||||
source.addFeature(line);
|
||||
|
||||
map.once('postrender', function() {
|
||||
expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-declutter-line.png',
|
||||
IMAGE_TOLERANCE, done);
|
||||
});
|
||||
});
|
||||
|
||||
it('declutters text along lines and images with z-index', function(done) {
|
||||
createMap();
|
||||
const layer = new VectorLayer({
|
||||
declutter: true,
|
||||
source: source
|
||||
});
|
||||
map.addLayer(layer);
|
||||
|
||||
const point = new Feature(new Point(center));
|
||||
point.setStyle(new Style({
|
||||
zIndex: 2,
|
||||
image: new CircleStyle({
|
||||
radius: 8,
|
||||
stroke: new Stroke({
|
||||
color: 'blue'
|
||||
})
|
||||
})
|
||||
}));
|
||||
const line = new Feature(new LineString([
|
||||
[center[0] - 650, center[1] - 200],
|
||||
[center[0] + 650, center[1] - 200]
|
||||
]));
|
||||
line.setStyle(new Style({
|
||||
zIndex: 1,
|
||||
stroke: new Stroke({
|
||||
color: '#CCC',
|
||||
width: 12
|
||||
}),
|
||||
text: new Text({
|
||||
placement: 'line',
|
||||
text: 'east-west',
|
||||
font: '12px sans-serif'
|
||||
})
|
||||
}));
|
||||
|
||||
source.addFeature(point);
|
||||
source.addFeature(line);
|
||||
|
||||
map.once('postrender', function() {
|
||||
const hitDetected = map.getFeaturesAtPixel([35, 46]);
|
||||
expect(hitDetected).to.have.length(1);
|
||||
expect(hitDetected[0]).to.equal(line);
|
||||
expectResemble(map, 'rendering/ol/layer/expected/vector-canvas-declutter-line-zindex.png',
|
||||
4.1, done);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
});
|
||||
Reference in New Issue
Block a user