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Keep track of when a layer is unrendered

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This commit is contained in:
Tim Schaub
2022-02-08 09:20:22 -07:00
parent eb4d5e0784
commit bd86639351
6 changed files with 118 additions and 18 deletions
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34
test/browser/spec/ol/layer/WebGLTile.test.js
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@@ -1,5 +1,4 @@
import DataTileSource from '../../../../../src/ol/source/DataTile.js';
import GeoTIFF from '../../../../../src/ol/source/GeoTIFF.js';
import Map from '../../../../../src/ol/Map.js';
import View from '../../../../../src/ol/View.js';
import WebGLHelper from '../../../../../src/ol/webgl/Helper.js';
@@ -66,6 +65,10 @@ describe('ol/layer/WebGLTile', function () {
document.body.appendChild(target);
map = new Map({
target: target,
view: new View({
center: [0, 0],
zoom: 0,
}),
});
});
@@ -75,23 +78,26 @@ describe('ol/layer/WebGLTile', function () {
});
it('retrieves pixel data', (done) => {
const source = new GeoTIFF({
sources: [{url: 'spec/ol/source/images/0-0-0.tif'}],
const layer = new WebGLTileLayer({
source: new DataTileSource({
tilePixelRatio: 1 / 256,
loader(z, x, y) {
return new Uint8Array([5, 4, 3, 2, 1]);
},
}),
});
const layer = new WebGLTileLayer({source: source});
map.addLayer(layer);
map.setView(source.getView());
map.once('rendercomplete', () => {
const data = layer.getData([50, 25]);
expect(data).to.be.a(Uint8Array);
expect(data.length).to.be(4);
expect(data[0]).to.be(255);
expect(data[1]).to.be(189);
expect(data[2]).to.be(103);
expect(data[3]).to.be(255);
expect(data.length).to.be(5);
expect(data[0]).to.be(5);
expect(data[1]).to.be(4);
expect(data[2]).to.be(3);
expect(data[3]).to.be(2);
expect(data[4]).to.be(1);
done();
});
});
@@ -107,12 +113,6 @@ describe('ol/layer/WebGLTile', function () {
});
map.addLayer(layer);
map.setView(
new View({
center: [0, 0],
zoom: 0,
})
);
map.once('rendercomplete', () => {
const data = layer.getData([50, 25]);