61 lines
1.9 KiB
JavaScript
61 lines
1.9 KiB
JavaScript
import VectorImageLayer from '../../../../../src/ol/layer/VectorImage.js';
|
|
import VectorSource from '../../../../../src/ol/source/Vector.js';
|
|
import CanvasVectorImageLayerRenderer from '../../../../../src/ol/renderer/canvas/VectorImageLayer.js';
|
|
import {get as getProjection} from '../../../../../src/ol/proj.js';
|
|
import {scaleFromCenter} from '../../../../../src/ol/extent.js';
|
|
import {create} from '../../../../../src/ol/transform.js';
|
|
|
|
|
|
describe('ol/renderer/canvas/VectorImageLayer', function() {
|
|
|
|
describe('#dispose()', function() {
|
|
|
|
it('cleans up CanvasVectorRenderer', function() {
|
|
const layer = new VectorImageLayer({
|
|
source: new VectorSource()
|
|
});
|
|
const renderer = new CanvasVectorImageLayerRenderer(layer);
|
|
const spy = sinon.spy(renderer.vectorRenderer_, 'dispose');
|
|
renderer.dispose();
|
|
expect(spy.called).to.be(true);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#prepareFrame', function() {
|
|
|
|
it('sets correct extent with imageRatio = 2', function() {
|
|
const layer = new VectorImageLayer({
|
|
imageRatio: 2,
|
|
source: new VectorSource()
|
|
});
|
|
const renderer = new CanvasVectorImageLayerRenderer(layer);
|
|
const projection = getProjection('EPSG:3857');
|
|
const projExtent = projection.getExtent();
|
|
const extent = [
|
|
projExtent[0] - 10000, -10000, projExtent[0] + 10000, 10000
|
|
];
|
|
const frameState = {
|
|
layerStatesArray: [layer.getLayerState()],
|
|
layerIndex: 0,
|
|
extent: extent,
|
|
viewHints: [],
|
|
pixelToCoordinateTransform: create(),
|
|
viewState: {
|
|
center: [0, 0],
|
|
projection: projection,
|
|
resolution: 1,
|
|
rotation: 0
|
|
}
|
|
};
|
|
renderer.prepareFrame(frameState);
|
|
const expected = renderer.image_.getExtent();
|
|
|
|
scaleFromCenter(extent, 2);
|
|
|
|
expect(expected).to.eql(extent);
|
|
});
|
|
});
|
|
|
|
});
|