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Test extents passed to loader

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This commit is contained in:
mike-000
2020-03-29 16:54:10 +01:00
committed by Andreas Hocevar
parent 3b760dc308
commit 67c37c2163
1 changed files with 99 additions and 3 deletions
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102
test/spec/ol/renderer/canvas/vectorlayer.test.js
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@@ -6,6 +6,7 @@ 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 {bbox as bboxStrategy} from '../../../../../src/ol/loadingstrategy.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';
@@ -220,17 +221,25 @@ describe('ol.renderer.canvas.VectorLayer', function() {
});
describe('#prepareFrame and #compose', function() {
let frameState, projExtent, renderer, worldWidth, buffer;
let frameState, projExtent, renderer, worldWidth, buffer, loadExtent;
const loader = function(extent) {
loadExtent = extent;
}
beforeEach(function() {
const layer = new VectorLayer({
source: new VectorSource({wrapX: true})
source: new VectorSource({
wrapX: true,
loader: loader,
strategy: bboxStrategy
})
});
renderer = new CanvasVectorLayerRenderer(layer);
const projection = getProjection('EPSG:3857');
projExtent = projection.getExtent();
worldWidth = getWidth(projExtent);
buffer = layer.getRenderBuffer();
loadExtent = undefined;
frameState = {
viewHints: [],
viewState: {
@@ -251,7 +260,7 @@ describe('ol.renderer.canvas.VectorLayer', function() {
projExtent[0] - worldWidth + buffer,
-10000, projExtent[2] + worldWidth - buffer, 10000
], buffer));
expect(loadExtent).to.eql(renderer.replayGroup_.maxExtent_);
});
it('sets correct extent for viewport less than 1 world wide', function() {
@@ -263,6 +272,7 @@ describe('ol.renderer.canvas.VectorLayer', function() {
projExtent[0] - worldWidth + buffer,
-10000, projExtent[2] + worldWidth - buffer, 10000
], buffer));
expect(loadExtent).to.eql(renderer.replayGroup_.maxExtent_);
});
it('sets correct extent for viewport more than 1 world wide', function() {
@@ -274,6 +284,7 @@ describe('ol.renderer.canvas.VectorLayer', function() {
projExtent[0] - worldWidth + buffer,
-10000, projExtent[2] + worldWidth - buffer, 10000
], buffer));
expect(loadExtent).to.eql(renderer.replayGroup_.maxExtent_);
});
it('sets correct extent for viewport more than 2 worlds wide', function() {
@@ -287,6 +298,7 @@ describe('ol.renderer.canvas.VectorLayer', function() {
projExtent[0] - 2 * worldWidth - 10000,
-10000, projExtent[2] + 2 * worldWidth + 10000, 10000
], buffer));
expect(loadExtent).to.eql(renderer.replayGroup_.maxExtent_);
});
it('sets replayGroupChanged correctly', function() {
@@ -319,6 +331,90 @@ describe('ol.renderer.canvas.VectorLayer', function() {
});
describe('#prepareFrame with a loadWrapX: false source', function() {
let frameState, projExtent, renderer, worldWidth, buffer, loadExtent;
const loader = function(extent) {
loadExtent = extent;
}
beforeEach(function() {
const layer = new VectorLayer({
source: new VectorSource({
wrapX: true,
loadWrapX: false,
loader: loader,
strategy: bboxStrategy
})
});
renderer = new CanvasVectorLayerRenderer(layer);
const projection = getProjection('EPSG:3857');
projExtent = projection.getExtent();
worldWidth = getWidth(projExtent);
buffer = layer.getRenderBuffer();
loadExtent = undefined;
frameState = {
viewHints: [],
viewState: {
center: [0, 0],
projection: projection,
resolution: 1,
rotation: 0
}
};
});
it('loads 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));
expect(loadExtent).to.eql(bufferExtent(frameState.extent, buffer));
});
it('loads 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));
expect(loadExtent).to.eql(bufferExtent(frameState.extent, buffer));
});
it('loads 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));
expect(loadExtent).to.eql(bufferExtent(frameState.extent, buffer));
});
it('loads 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));
expect(loadExtent).to.eql(bufferExtent(frameState.extent, buffer));
});
});
describe('hit detection', function() {
it('with no fill and transparent fill', function() {