541 lines
16 KiB
JavaScript
541 lines
16 KiB
JavaScript
import Feature from '../../../../../src/ol/Feature.js';
|
|
import Map from '../../../../../src/ol/Map.js';
|
|
import View from '../../../../../src/ol/View.js';
|
|
import {buffer as bufferExtent, getWidth} from '../../../../../src/ol/extent.js';
|
|
import Circle from '../../../../../src/ol/geom/Circle.js';
|
|
import Point from '../../../../../src/ol/geom/Point.js';
|
|
import {fromExtent} from '../../../../../src/ol/geom/Polygon.js';
|
|
import VectorLayer from '../../../../../src/ol/layer/Vector.js';
|
|
import {clear} from '../../../../../src/ol/obj.js';
|
|
import {get as getProjection} from '../../../../../src/ol/proj.js';
|
|
import {checkedFonts} from '../../../../../src/ol/render/canvas.js';
|
|
import CanvasVectorLayerRenderer from '../../../../../src/ol/renderer/canvas/VectorLayer.js';
|
|
import VectorSource from '../../../../../src/ol/source/Vector.js';
|
|
import CircleStyle from '../../../../../src/ol/style/Circle.js';
|
|
import Fill from '../../../../../src/ol/style/Fill.js';
|
|
import Stroke from '../../../../../src/ol/style/Stroke.js';
|
|
import Style from '../../../../../src/ol/style/Style.js';
|
|
import Text from '../../../../../src/ol/style/Text.js';
|
|
|
|
|
|
describe('ol.renderer.canvas.VectorLayer', function() {
|
|
|
|
describe('constructor', function() {
|
|
|
|
const head = document.getElementsByTagName('head')[0];
|
|
const font = document.createElement('link');
|
|
font.href = 'https://fonts.googleapis.com/css?family=Droid+Sans';
|
|
font.rel = 'stylesheet';
|
|
|
|
let target;
|
|
|
|
beforeEach(function() {
|
|
target = document.createElement('div');
|
|
target.style.width = '256px';
|
|
target.style.height = '256px';
|
|
document.body.appendChild(target);
|
|
});
|
|
|
|
afterEach(function() {
|
|
document.body.removeChild(target);
|
|
});
|
|
|
|
it('creates a new instance', function() {
|
|
const layer = new VectorLayer({
|
|
source: new VectorSource()
|
|
});
|
|
const renderer = new CanvasVectorLayerRenderer(layer);
|
|
expect(renderer).to.be.a(CanvasVectorLayerRenderer);
|
|
});
|
|
|
|
it('gives precedence to feature styles over layer styles', function() {
|
|
const target = document.createElement('div');
|
|
target.style.width = '256px';
|
|
target.style.height = '256px';
|
|
document.body.appendChild(target);
|
|
const map = new Map({
|
|
view: new View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
}),
|
|
target: target
|
|
});
|
|
const layerStyle = [new Style({
|
|
text: new Text({
|
|
text: 'layer'
|
|
})
|
|
})];
|
|
const featureStyle = [new Style({
|
|
text: new Text({
|
|
text: 'feature'
|
|
})
|
|
})];
|
|
const feature1 = new Feature(new Point([0, 0]));
|
|
const feature2 = new Feature(new Point([0, 0]));
|
|
feature2.setStyle(featureStyle);
|
|
const layer = new VectorLayer({
|
|
source: new VectorSource({
|
|
features: [feature1, feature2]
|
|
}),
|
|
style: layerStyle
|
|
});
|
|
map.addLayer(layer);
|
|
const spy = sinon.spy(layer.getRenderer(), 'renderFeature');
|
|
map.renderSync();
|
|
expect(spy.getCall(0).args[2]).to.be(layerStyle);
|
|
expect(spy.getCall(1).args[2]).to.be(featureStyle);
|
|
document.body.removeChild(target);
|
|
});
|
|
|
|
it('does not re-render for unavailable fonts', function(done) {
|
|
clear(checkedFonts);
|
|
const map = new Map({
|
|
view: new View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
}),
|
|
target: target
|
|
});
|
|
const layerStyle = new Style({
|
|
text: new Text({
|
|
text: 'layer',
|
|
font: '12px "Unavailable Font",sans-serif'
|
|
})
|
|
});
|
|
|
|
const feature = new Feature(new Point([0, 0]));
|
|
const layer = new VectorLayer({
|
|
source: new VectorSource({
|
|
features: [feature]
|
|
}),
|
|
style: layerStyle
|
|
});
|
|
map.addLayer(layer);
|
|
const revision = layer.getRevision();
|
|
setTimeout(function() {
|
|
expect(layer.getRevision()).to.be(revision);
|
|
done();
|
|
}, 800);
|
|
});
|
|
|
|
it('does not re-render for available fonts', function(done) {
|
|
clear(checkedFonts);
|
|
const map = new Map({
|
|
view: new View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
}),
|
|
target: target
|
|
});
|
|
const layerStyle = new Style({
|
|
text: new Text({
|
|
text: 'layer',
|
|
font: '12px sans-serif'
|
|
})
|
|
});
|
|
|
|
const feature = new Feature(new Point([0, 0]));
|
|
const layer = new VectorLayer({
|
|
source: new VectorSource({
|
|
features: [feature]
|
|
}),
|
|
style: layerStyle
|
|
});
|
|
map.addLayer(layer);
|
|
const revision = layer.getRevision();
|
|
setTimeout(function() {
|
|
expect(layer.getRevision()).to.be(revision);
|
|
done();
|
|
}, 800);
|
|
});
|
|
|
|
it('re-renders for fonts that become available', function(done) {
|
|
clear(checkedFonts);
|
|
head.appendChild(font);
|
|
const map = new Map({
|
|
view: new View({
|
|
center: [0, 0],
|
|
zoom: 0
|
|
}),
|
|
target: target
|
|
});
|
|
const layerStyle = new Style({
|
|
text: new Text({
|
|
text: 'layer',
|
|
font: '12px "Droid Sans",sans-serif'
|
|
})
|
|
});
|
|
|
|
const feature = new Feature(new Point([0, 0]));
|
|
const layer = new VectorLayer({
|
|
source: new VectorSource({
|
|
features: [feature]
|
|
}),
|
|
style: layerStyle
|
|
});
|
|
map.addLayer(layer);
|
|
const revision = layer.getRevision();
|
|
setTimeout(function() {
|
|
expect(layer.getRevision()).to.be(revision + 1);
|
|
head.removeChild(font);
|
|
done();
|
|
}, 1600);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#forEachFeatureAtCoordinate', function() {
|
|
let layer, renderer;
|
|
|
|
beforeEach(function() {
|
|
layer = new VectorLayer({
|
|
source: new VectorSource()
|
|
});
|
|
renderer = new CanvasVectorLayerRenderer(layer);
|
|
const replayGroup = {};
|
|
renderer.replayGroup_ = replayGroup;
|
|
replayGroup.forEachFeatureAtCoordinate = function(coordinate,
|
|
resolution, rotation, hitTolerance, callback) {
|
|
const feature = new Feature();
|
|
callback(feature);
|
|
callback(feature);
|
|
};
|
|
});
|
|
|
|
it('calls callback once per feature with a layer as 2nd arg', function() {
|
|
const spy = sinon.spy();
|
|
const coordinate = [0, 0];
|
|
const frameState = {
|
|
layerStatesArray: [{}],
|
|
viewState: {
|
|
center: [0, 0],
|
|
resolution: 1,
|
|
rotation: 0
|
|
}
|
|
};
|
|
renderer.forEachFeatureAtCoordinate(
|
|
coordinate, frameState, 0, spy, undefined);
|
|
expect(spy.callCount).to.be(1);
|
|
expect(spy.getCall(0).args[1]).to.equal(layer);
|
|
});
|
|
});
|
|
|
|
describe('#prepareFrame and #compose', function() {
|
|
let frameState, projExtent, renderer, worldWidth, buffer;
|
|
|
|
beforeEach(function() {
|
|
const layer = new VectorLayer({
|
|
source: new VectorSource({wrapX: true})
|
|
});
|
|
renderer = new CanvasVectorLayerRenderer(layer);
|
|
const projection = getProjection('EPSG:3857');
|
|
projExtent = projection.getExtent();
|
|
worldWidth = getWidth(projExtent);
|
|
buffer = layer.getRenderBuffer();
|
|
frameState = {
|
|
viewHints: [],
|
|
viewState: {
|
|
center: [0, 0],
|
|
projection: projection,
|
|
resolution: 1,
|
|
rotation: 0
|
|
}
|
|
};
|
|
});
|
|
|
|
it('sets correct extent for small viewport near dateline', function() {
|
|
|
|
frameState.extent =
|
|
[projExtent[0] - 10000, -10000, projExtent[0] + 10000, 10000];
|
|
renderer.prepareFrame(frameState);
|
|
expect(renderer.replayGroup_.maxExtent_).to.eql(bufferExtent([
|
|
projExtent[0] - worldWidth + buffer,
|
|
-10000, projExtent[2] + worldWidth - buffer, 10000
|
|
], buffer));
|
|
|
|
});
|
|
|
|
it('sets correct extent for viewport less than 1 world wide', function() {
|
|
|
|
frameState.extent =
|
|
[projExtent[0] - 10000, -10000, projExtent[1] - 10000, 10000];
|
|
renderer.prepareFrame(frameState);
|
|
expect(renderer.replayGroup_.maxExtent_).to.eql(bufferExtent([
|
|
projExtent[0] - worldWidth + buffer,
|
|
-10000, projExtent[2] + worldWidth - buffer, 10000
|
|
], buffer));
|
|
});
|
|
|
|
it('sets correct extent for viewport more than 1 world wide', function() {
|
|
|
|
frameState.extent =
|
|
[2 * projExtent[0] - 10000, -10000, 2 * projExtent[1] + 10000, 10000];
|
|
renderer.prepareFrame(frameState);
|
|
expect(renderer.replayGroup_.maxExtent_).to.eql(bufferExtent([
|
|
projExtent[0] - worldWidth + buffer,
|
|
-10000, projExtent[2] + worldWidth - buffer, 10000
|
|
], buffer));
|
|
});
|
|
|
|
it('sets correct extent for viewport more than 2 worlds wide', function() {
|
|
|
|
frameState.extent = [
|
|
projExtent[0] - 2 * worldWidth - 10000,
|
|
-10000, projExtent[1] + 2 * worldWidth + 10000, 10000
|
|
];
|
|
renderer.prepareFrame(frameState);
|
|
expect(renderer.replayGroup_.maxExtent_).to.eql(bufferExtent([
|
|
projExtent[0] - 2 * worldWidth - 10000,
|
|
-10000, projExtent[2] + 2 * worldWidth + 10000, 10000
|
|
], buffer));
|
|
});
|
|
|
|
it('sets replayGroupChanged correctly', function() {
|
|
frameState.extent = [-10000, -10000, 10000, 10000];
|
|
renderer.prepareFrame(frameState);
|
|
expect(renderer.replayGroupChanged).to.be(true);
|
|
renderer.prepareFrame(frameState);
|
|
expect(renderer.replayGroupChanged).to.be(false);
|
|
});
|
|
|
|
it('dispatches a postrender event when rendering', function(done) {
|
|
const layer = renderer.getLayer();
|
|
layer.getSource().addFeature(new Feature(new Point([0, 0])));
|
|
layer.once('postrender', function() {
|
|
expect(true);
|
|
done();
|
|
});
|
|
frameState.layerStatesArray = [layer.getLayerState()];
|
|
frameState.layerIndex = 0;
|
|
frameState.extent = [-10000, -10000, 10000, 10000];
|
|
frameState.size = [100, 100];
|
|
frameState.viewState.center = [0, 0];
|
|
let rendered = false;
|
|
if (renderer.prepareFrame(frameState)) {
|
|
rendered = true;
|
|
renderer.renderFrame(frameState, null);
|
|
}
|
|
expect(rendered).to.be(true);
|
|
});
|
|
|
|
});
|
|
|
|
describe('hit detection', function() {
|
|
|
|
it('with no fill and transparent fill', function() {
|
|
const target = document.createElement('div');
|
|
target.style.width = '300px';
|
|
target.style.height = '300px';
|
|
document.body.appendChild(target);
|
|
const styles = {
|
|
transparent: new Style({
|
|
stroke: new Stroke({
|
|
color: 'blue',
|
|
width: 3
|
|
}),
|
|
fill: new Fill({
|
|
color: 'transparent'
|
|
}),
|
|
image: new CircleStyle({
|
|
radius: 30,
|
|
stroke: new Stroke({
|
|
color: 'blue',
|
|
width: 3
|
|
}),
|
|
fill: new Fill({
|
|
color: 'transparent'
|
|
})
|
|
})
|
|
}),
|
|
none: new Style({
|
|
stroke: new Stroke({
|
|
color: 'blue',
|
|
width: 3
|
|
}),
|
|
image: new CircleStyle({
|
|
radius: 30,
|
|
stroke: new Stroke({
|
|
color: 'blue',
|
|
width: 3
|
|
})
|
|
})
|
|
})
|
|
};
|
|
const source = new VectorSource({
|
|
features: [
|
|
new Feature({
|
|
geometry: fromExtent([0, 10, 3, 13]),
|
|
fillType: 'none'
|
|
}),
|
|
new Feature({
|
|
geometry: fromExtent([1, 11, 4, 14]),
|
|
fillType: 'none'
|
|
}),
|
|
new Feature({
|
|
geometry: fromExtent([5, 10, 8, 13]),
|
|
fillType: 'transparent'
|
|
}),
|
|
new Feature({
|
|
geometry: fromExtent([6, 11, 9, 14]),
|
|
fillType: 'transparent'
|
|
}),
|
|
new Feature({
|
|
geometry: new Circle([1.5, 6.5], 1.5),
|
|
fillType: 'none'
|
|
}),
|
|
new Feature({
|
|
geometry: new Circle([2.5, 7.5], 1.5),
|
|
fillType: 'none'
|
|
}),
|
|
new Feature({
|
|
geometry: new Circle([6.5, 6.5], 1.5),
|
|
fillType: 'transparent'
|
|
}),
|
|
new Feature({
|
|
geometry: new Circle([7.5, 7.5], 1.5),
|
|
fillType: 'transparent'
|
|
}),
|
|
new Feature({
|
|
geometry: new Point([1.5, 1.5]),
|
|
fillType: 'none'
|
|
}),
|
|
new Feature({
|
|
geometry: new Point([2.5, 2.5]),
|
|
fillType: 'none'
|
|
}),
|
|
new Feature({
|
|
geometry: new Point([6.5, 1.5]),
|
|
fillType: 'transparent'
|
|
}),
|
|
new Feature({
|
|
geometry: new Point([7.5, 2.5]),
|
|
fillType: 'transparent'
|
|
})
|
|
]
|
|
});
|
|
const layer = new VectorLayer({
|
|
source: source,
|
|
style: function(feature, resolution) {
|
|
return styles[feature.get('fillType')];
|
|
}
|
|
});
|
|
const map = new Map({
|
|
layers: [layer],
|
|
view: new View({
|
|
center: [4.5, 7],
|
|
resolution: 0.05
|
|
}),
|
|
target: target
|
|
});
|
|
map.renderSync();
|
|
|
|
function hitTest(coordinate) {
|
|
const features = map.getFeaturesAtPixel(
|
|
map.getPixelFromCoordinate(coordinate)
|
|
);
|
|
const result = {count: 0};
|
|
if (features && features.length > 0) {
|
|
result.count = features.length;
|
|
result.extent = features[0].getGeometry().getExtent();
|
|
}
|
|
return result;
|
|
}
|
|
let res;
|
|
|
|
res = hitTest([0, 12]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(0);
|
|
res = hitTest([1, 12]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(1);
|
|
res = hitTest([2, 12]);
|
|
expect(res.count).to.be(0);
|
|
res = hitTest([3, 12]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(0);
|
|
res = hitTest([4, 12]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(1);
|
|
res = hitTest([5, 12]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(5);
|
|
res = hitTest([6, 12]);
|
|
expect(res.count).to.be(2);
|
|
expect(res.extent[0]).to.be(6);
|
|
res = hitTest([7, 12]);
|
|
expect(res.count).to.be(2);
|
|
expect(res.extent[0]).to.be(6);
|
|
res = hitTest([8, 12]);
|
|
expect(res.count).to.be(2);
|
|
expect(res.extent[0]).to.be(6);
|
|
res = hitTest([9, 12]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(6);
|
|
|
|
res = hitTest([0, 6.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(0);
|
|
res = hitTest([1, 7.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(1);
|
|
res = hitTest([2, 7.0]);
|
|
expect(res.count).to.be(0);
|
|
res = hitTest([3, 6.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(0);
|
|
res = hitTest([4, 7.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(1);
|
|
res = hitTest([5, 6.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(5);
|
|
res = hitTest([6, 7.5]);
|
|
expect(res.count).to.be(2);
|
|
expect(res.extent[0]).to.be(6);
|
|
res = hitTest([7, 7.0]);
|
|
expect(res.count).to.be(2);
|
|
expect(res.extent[0]).to.be(6);
|
|
res = hitTest([8, 6.5]);
|
|
expect(res.count).to.be(2);
|
|
expect(res.extent[0]).to.be(6);
|
|
res = hitTest([9, 7.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(6);
|
|
|
|
res = hitTest([0, 1.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(1.5);
|
|
res = hitTest([1, 2.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(2.5);
|
|
res = hitTest([2, 2.0]);
|
|
expect(res.count).to.be(0);
|
|
res = hitTest([3, 1.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(1.5);
|
|
res = hitTest([4, 2.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(2.5);
|
|
res = hitTest([5, 1.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(6.5);
|
|
res = hitTest([6, 2.5]);
|
|
expect(res.count).to.be(2);
|
|
expect(res.extent[0]).to.be(7.5);
|
|
res = hitTest([7, 2.0]);
|
|
expect(res.count).to.be(2);
|
|
expect(res.extent[0]).to.be(7.5);
|
|
res = hitTest([8, 1.5]);
|
|
expect(res.count).to.be(2);
|
|
expect(res.extent[0]).to.be(7.5);
|
|
res = hitTest([9, 2.5]);
|
|
expect(res.count).to.be(1);
|
|
expect(res.extent[0]).to.be(7.5);
|
|
|
|
document.body.removeChild(target);
|
|
});
|
|
|
|
});
|
|
|
|
});
|