3353eeb0c3
IE9 seems to have occasional problems with decoding the data protocol url used before (single pixel placeholder).
61 lines
1.7 KiB
JavaScript
61 lines
1.7 KiB
JavaScript
goog.provide('ol.test.reproj.Image');
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describe('ol.reproj.Image', function() {
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function createImage(pixelRatio) {
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return new ol.reproj.Image(
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ol.proj.get('EPSG:3857'), ol.proj.get('EPSG:4326'),
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[-180, -85, 180, 85], 10, pixelRatio,
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function(extent, resolution, pixelRatio) {
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return new ol.Image(extent, resolution, pixelRatio, [],
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'data:image/gif;base64,' +
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'R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=', null,
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function(image, src) {
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image.getImage().src = src;
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});
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});
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}
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it('changes state as expected', function(done) {
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var image = createImage(1);
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expect(image.getState()).to.be(ol.ImageState.IDLE);
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image.listen('change', function() {
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if (image.getState() == ol.ImageState.LOADED) {
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done();
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}
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});
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image.load();
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});
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it('returns correct canvas size', function(done) {
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var image = createImage(1);
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image.listen('change', function() {
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if (image.getState() == ol.ImageState.LOADED) {
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var canvas = image.getImage();
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expect(canvas.width).to.be(36);
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expect(canvas.height).to.be(17);
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done();
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}
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});
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image.load();
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});
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it('respects pixelRatio', function(done) {
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var image = createImage(2);
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image.listen('change', function() {
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if (image.getState() == ol.ImageState.LOADED) {
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var canvas = image.getImage();
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expect(canvas.width).to.be(72);
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expect(canvas.height).to.be(34);
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done();
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}
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});
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image.load();
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});
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});
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goog.require('ol.Image');
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goog.require('ol.ImageState');
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goog.require('ol.proj');
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goog.require('ol.reproj.Image');
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