Files
openlayers/test/spec/ol/render/canvas/hitdetect.test.js
2020-02-17 21:58:45 +01:00

34 lines
1.0 KiB
JavaScript

import {createHitDetectionImageData} from '../../../../../src/ol/render/canvas/hitdetect.js';
import {create} from '../../../../../src/ol/transform.js';
import Feature from '../../../../../src/ol/Feature.js';
import Point from '../../../../../src/ol/geom/Point.js';
import {Style} from '../../../../../src/ol/style.js';
import Circle from '../../../../../src/ol/style/Circle.js';
describe('hitdetect', function() {
let features, styleFunction;
beforeEach(function() {
features = [
new Feature(new Point([0, 75])),
new Feature(new Point([0, 50])),
new Feature(new Point([0, 25])),
new Feature(new Point([0, 0]))
];
styleFunction = function() {
return new Style({
image: new Circle({
radius: 5
})
});
};
});
it ('does not exceed the color range', function() {
const imageData = createHitDetectionImageData([2, 2], [create()], features, styleFunction, [0, 0, 0, 0], 1, 0);
expect(Array.prototype.slice.call(imageData.data, 0, 3)).to.eql([255, 255, 252]);
});
});