116 lines
3.0 KiB
JavaScript
116 lines
3.0 KiB
JavaScript
import Map from '../../../../../src/ol/Map.js';
|
|
import View from '../../../../../src/ol/View.js';
|
|
import ImageLayer from '../../../../../src/ol/layer/Image.js';
|
|
import VectorImageLayer from '../../../../../src/ol/layer/VectorImage.js';
|
|
import Feature from '../../../../../src/ol/Feature.js';
|
|
import Point from '../../../../../src/ol/geom/Point.js';
|
|
import Projection from '../../../../../src/ol/proj/Projection.js';
|
|
import Static from '../../../../../src/ol/source/ImageStatic.js';
|
|
import VectorSource from '../../../../../src/ol/source/Vector.js';
|
|
|
|
|
|
describe('ol.renderer.canvas.ImageLayer', function() {
|
|
|
|
describe('#forEachLayerAtCoordinate', function() {
|
|
|
|
let map, target, source;
|
|
beforeEach(function(done) {
|
|
const projection = new Projection({
|
|
code: 'custom-image',
|
|
units: 'pixels',
|
|
extent: [0, 0, 200, 200]
|
|
});
|
|
target = document.createElement('div');
|
|
target.style.width = '100px';
|
|
target.style.height = '100px';
|
|
document.body.appendChild(target);
|
|
source = new Static({
|
|
url: 'spec/ol/data/dot.png',
|
|
projection: projection,
|
|
imageExtent: [0, 0, 20, 20]
|
|
});
|
|
map = new Map({
|
|
pixelRatio: 1,
|
|
target: target,
|
|
layers: [new ImageLayer({
|
|
source: source
|
|
})],
|
|
view: new View({
|
|
projection: projection,
|
|
center: [10, 10],
|
|
zoom: 2,
|
|
maxZoom: 8
|
|
})
|
|
});
|
|
source.on('imageloadend', function() {
|
|
done();
|
|
});
|
|
});
|
|
|
|
afterEach(function() {
|
|
map.setTarget(null);
|
|
document.body.removeChild(target);
|
|
});
|
|
|
|
it('properly detects pixels', function() {
|
|
map.renderSync();
|
|
let has = false;
|
|
function hasLayer() {
|
|
has = true;
|
|
}
|
|
map.forEachLayerAtPixel([20, 80], hasLayer);
|
|
expect(has).to.be(true);
|
|
has = false;
|
|
map.forEachLayerAtPixel([10, 90], hasLayer);
|
|
expect(has).to.be(false);
|
|
});
|
|
});
|
|
|
|
describe('Vector image rendering', function() {
|
|
let map, div, layer;
|
|
|
|
beforeEach(function() {
|
|
layer = new VectorImageLayer({
|
|
source: new VectorSource({
|
|
features: [new Feature(new Point([0, 0]))]
|
|
})
|
|
});
|
|
|
|
div = document.createElement('div');
|
|
div.style.width = div.style.height = '100px';
|
|
document.body.appendChild(div);
|
|
map = new Map({
|
|
target: div,
|
|
layers: [layer],
|
|
view: new View({
|
|
center: [0, 0],
|
|
zoom: 2
|
|
})
|
|
});
|
|
});
|
|
|
|
afterEach(function() {
|
|
map.setTarget(null);
|
|
document.body.removeChild(div);
|
|
map.dispose();
|
|
});
|
|
|
|
it('dispatches prerender and postrender events on the vector layer', function(done) {
|
|
let prerender = 0;
|
|
let postrender = 0;
|
|
layer.on('prerender', function() {
|
|
++prerender;
|
|
});
|
|
layer.on('postrender', function() {
|
|
++postrender;
|
|
});
|
|
map.once('postrender', function() {
|
|
expect(prerender).to.be(1);
|
|
expect(postrender).to.be(1);
|
|
done();
|
|
});
|
|
});
|
|
});
|
|
|
|
});
|