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Handle layer removal on shared containers

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This commit is contained in:
ahocevar
2019-06-02 13:45:11 +02:00
parent 05d8517686
commit 6123be726a
7 changed files with 48 additions and 1 deletions
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22
test/spec/ol/renderer/canvas/vectortilelayer.test.js
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@@ -19,6 +19,8 @@ import Text from '../../../../../src/ol/style/Text.js';
import {createXYZ} from '../../../../../src/ol/tilegrid.js';
import VectorTileRenderType from '../../../../../src/ol/layer/VectorTileRenderType.js';
import {getUid} from '../../../../../src/ol/util.js';
import TileLayer from '../../../../../src/ol/layer/Tile.js';
import XYZ from '../../../../../src/ol/source/XYZ.js';
describe('ol.renderer.canvas.VectorTileLayer', function() {
@@ -39,6 +41,7 @@ describe('ol.renderer.canvas.VectorTileLayer', function() {
target.style.height = '256px';
document.body.appendChild(target);
map = new Map({
pixelRatio: 1,
view: new View({
center: [0, 0],
zoom: 0
@@ -203,6 +206,25 @@ describe('ol.renderer.canvas.VectorTileLayer', function() {
expect(Object.keys(tile.executorGroups)[1]).to.be(getUid(layer2));
});
it('reuses render container and adds and removes overlay context', function(done) {
map.getLayers().insertAt(0, new TileLayer({
source: new XYZ({
url: 'rendering/ol/data/tiles/osm/{z}/{x}/{y}.png'
})
}));
map.once('postcompose', function(e) {
expect(e.frameState.layerStatesArray[1].hasOverlay).to.be(true);
});
map.once('rendercomplete', function() {
expect(document.querySelector('.ol-layers').childElementCount).to.be(1);
expect(document.querySelector('.ol-layer').childElementCount).to.be(2);
map.removeLayer(map.getLayers().item(1));
map.renderSync();
expect(document.querySelector('.ol-layer').childElementCount).to.be(1);
done();
});
});
});
describe('#prepareFrame', function() {