Files
openlayers/test/rendering/ol/style/icon.test.js
2017-12-14 08:49:10 -07:00

123 lines
3.5 KiB
JavaScript

import _ol_Feature_ from '../../../../src/ol/Feature.js';
import Point from '../../../../src/ol/geom/Point.js';
import _ol_Map_ from '../../../../src/ol/Map.js';
import _ol_View_ from '../../../../src/ol/View.js';
import _ol_layer_Vector_ from '../../../../src/ol/layer/Vector.js';
import _ol_source_Vector_ from '../../../../src/ol/source/Vector.js';
import _ol_style_Icon_ from '../../../../src/ol/style/Icon.js';
import _ol_style_Style_ from '../../../../src/ol/style/Style.js';
describe('ol.rendering.style.Icon', function() {
var map, vectorSource;
var imgInfo = {
anchor: [0.5, 46],
anchorXUnits: 'fraction',
anchorYUnits: 'pixels',
opacity: 0.75,
scale: 0.5,
imgSize: [32, 48]
};
function createMap(renderer, width, height) {
vectorSource = new _ol_source_Vector_();
var vectorLayer = new _ol_layer_Vector_({
source: vectorSource
});
map = new _ol_Map_({
pixelRatio: 1,
target: createMapDiv(width ? width : 50, height ? height : 50),
renderer: renderer,
layers: [vectorLayer],
view: new _ol_View_({
projection: 'EPSG:4326',
center: [0, 0],
resolution: 1
})
});
}
afterEach(function() {
if (map) {
disposeMap(map);
map = null;
}
});
describe('#render', function() {
function createFeatures(src, imgInfo, callback) {
var feature;
feature = new _ol_Feature_({
geometry: new Point([0, 0])
});
var img = new Image();
img.onload = function() {
imgInfo.img = img;
feature.setStyle(new _ol_style_Style_({
image: new _ol_style_Icon_(/** @type {olx.style.IconOptions} */ (imgInfo))
}));
vectorSource.addFeature(feature);
callback();
};
img.src = src;
}
it('tests the canvas renderer', function(done) {
createMap('canvas');
createFeatures('rendering/ol/data/icon.png', imgInfo, function() {
expectResemble(map, 'rendering/ol/style/expected/icon-canvas.png',
IMAGE_TOLERANCE, done);
});
});
it('scales svg correctly in the canvas renderer', function(done) {
createMap('canvas', 512, 512);
createFeatures('rendering/ol/data/me0.svg', {
scale: 96 / 512,
imgSize: [512, 512]
}, function() {
expectResemble(map, 'rendering/ol/style/expected/icon-canvas-svg-scale.png',
IMAGE_TOLERANCE, done);
});
});
it('uses offset correctly in the canvas renderer', function(done) {
createMap('canvas', 256, 512);
createFeatures('rendering/ol/data/me0.svg', {
offset: [0, 256],
size: [256, 256],
imgSize: [512, 512]
}, function() {
expectResemble(map, 'rendering/ol/style/expected/icon-canvas-svg-offset.png',
IMAGE_TOLERANCE, done);
});
});
it('uses offset correctly if it is larger than size in the canvas renderer', function(done) {
createMap('canvas', 256, 512);
createFeatures('rendering/ol/data/me0.svg', {
offset: [0, 374],
size: [256, 256],
imgSize: [512, 512]
}, function() {
expectResemble(map, 'rendering/ol/style/expected/icon-canvas-svg-offset2.png',
IMAGE_TOLERANCE, done);
});
});
where('WebGL').it('tests the WebGL renderer', function(done) {
assertWebGL();
createMap('webgl');
createFeatures('rendering/ol/data/icon.png', imgInfo, function() {
expectResemble(map, 'rendering/ol/style/expected/icon-webgl.png',
2.0, done);
});
});
});
});