Files
openlayers/test/rendering/ol/style/regularshape.test.js
2018-11-16 14:05:04 +01:00

151 lines
3.8 KiB
JavaScript

import Feature from '../../../../src/ol/Feature.js';
import Point from '../../../../src/ol/geom/Point.js';
import Map from '../../../../src/ol/Map.js';
import View from '../../../../src/ol/View.js';
import VectorLayer from '../../../../src/ol/layer/Vector.js';
import VectorSource from '../../../../src/ol/source/Vector.js';
import Fill from '../../../../src/ol/style/Fill.js';
import RegularShape from '../../../../src/ol/style/RegularShape.js';
import Style from '../../../../src/ol/style/Style.js';
import Stroke from '../../../../src/ol/style/Stroke.js';
describe('ol.rendering.style.RegularShape', function() {
let map, vectorSource;
function createMap(renderer) {
const MapConstructor = Map;
const LayerConstructor = VectorLayer;
vectorSource = new VectorSource();
const vectorLayer = new LayerConstructor({
source: vectorSource
});
map = new MapConstructor({
pixelRatio: 1,
target: createMapDiv(50, 50),
layers: [vectorLayer],
view: new View({
projection: 'EPSG:4326',
center: [0, 0],
resolution: 1
})
});
}
afterEach(function() {
if (map) {
disposeMap(map);
map = null;
}
});
function createFeatures(stroke, fill) {
let feature;
feature = new Feature({
geometry: new Point([-15, 15])
});
// square
feature.setStyle(new Style({
image: new RegularShape({
fill: fill,
stroke: stroke,
points: 4,
radius: 10,
angle: Math.PI / 4
})
}));
vectorSource.addFeature(feature);
feature = new Feature({
geometry: new Point([8, 15])
});
// triangle
feature.setStyle(new Style({
image: new RegularShape({
fill: fill,
stroke: stroke,
points: 3,
radius: 10,
rotation: Math.PI / 4,
angle: 0
})
}));
vectorSource.addFeature(feature);
feature = new Feature({
geometry: new Point([-10, -8])
});
// star
feature.setStyle(new Style({
image: new RegularShape({
fill: fill,
stroke: stroke,
points: 5,
radius: 10,
radius2: 4,
angle: 0
})
}));
vectorSource.addFeature(feature);
feature = new Feature({
geometry: new Point([12, -8])
});
// cross
feature.setStyle(new Style({
image: new RegularShape({
fill: fill,
stroke: stroke,
points: 4,
radius: 10,
radius2: 0,
angle: 0
})
}));
vectorSource.addFeature(feature);
}
describe('#render', function() {
const stroke = new Stroke({width: 2});
const fill = new Fill({color: 'red'});
it('tests the canvas renderer', function(done) {
createMap('canvas');
createFeatures(stroke, fill);
expectResemble(map, 'rendering/ol/style/expected/regularshape-canvas.png', 9.4, done);
});
it('supports lineDash', function(done) {
createMap('canvas');
createFeatures(new Stroke({
lineDash: [10, 5]
}));
expectResemble(map, 'rendering/ol/style/expected/regularshape-canvas-linedash.png', 5, done);
});
it('supports lineDashOffset', function(done) {
createMap('canvas');
createFeatures(new Stroke({
lineDash: [10, 5],
lineDashOffset: 5
}));
expectResemble(map, 'rendering/ol/style/expected/regularshape-canvas-linedashoffset.png', 5, done);
});
});
describe('uses the default fill and stroke color', function() {
const stroke = new Stroke();
const fill = new Fill();
it('tests the canvas renderer', function(done) {
createMap('canvas');
createFeatures(stroke, fill);
expectResemble(map, 'rendering/ol/style/expected/regularshape-canvas-default-style.png', 3.0, done);
});
});
});