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Re-render vector tiles when layer has changed

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This commit is contained in:
Andreas Hocevar
2016-12-14 14:26:03 +01:00
parent b1f25d484b
commit 85f7a7c843
3 changed files with 63 additions and 4 deletions
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40
test/spec/ol/renderer/canvas/vectortilelayer.test.js
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@@ -149,6 +149,46 @@ describe('ol.renderer.canvas.VectorTileLayer', function() {
});
describe('#prepareFrame', function() {
it('re-renders when layer changed', function() {
var layer = new ol.layer.VectorTile({
source: new ol.source.VectorTile({
tileGrid: ol.tilegrid.createXYZ()
})
});
var tile = new ol.VectorTile([0, 0, 0], 2);
tile.projection_ = ol.proj.get('EPSG:3857');
tile.features_ = [];
tile.getImage = function() {
return document.createElement('canvas');
};
layer.getSource().getTile = function() {
return tile;
};
var renderer = new ol.renderer.canvas.VectorTileLayer(layer);
renderer.renderTileImage_ = sinon.spy();
var proj = ol.proj.get('EPSG:3857');
var frameState = {
extent: proj.getExtent(),
viewState: {
center: [0, 0],
resolution: 156543.03392804097,
projection: proj
},
size: [256, 256],
usedTiles: {},
wantedTiles: {}
};
renderer.prepareFrame(frameState, {});
expect(renderer.renderTileImage_.getCalls().length).to.be(1);
renderer.prepareFrame(frameState, {});
expect(renderer.renderTileImage_.getCalls().length).to.be(1);
layer.changed();
renderer.prepareFrame(frameState, {});
expect(renderer.renderTileImage_.getCalls().length).to.be(2);
});
});
describe('#forEachFeatureAtCoordinate', function() {
var layer, renderer, replayGroup;
var TileClass = function() {