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Add TileSource.getTileAtPoint test

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This commit is contained in:
Antoine Vandecreme 2016-11-05 17:34:36 +01:00
parent 6370a6bafa
commit b162f197ea
2 changed files with 50 additions and 11 deletions
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2
test/modules/multi-image.js
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@ -217,7 +217,7 @@
var firstImage = viewer.world.getItemAt(0); var firstImage = viewer.world.getItemAt(0);
firstImage.addHandler('fully-loaded-change', function() { firstImage.addHandler('fully-loaded-change', function() {
var imageData = viewer.drawer.context.getImageData(0, 0, var imageData = viewer.drawer.context.getImageData(0, 0,
500 * OpenSeadragon.pixelDensityRatio, 500 * density); 500 * density, 500 * density);
// Pixel 250,250 will be in the hole of the A // Pixel 250,250 will be in the hole of the A
var expectedVal = getPixelValue(imageData, 250 * density, 250 * density); var expectedVal = getPixelValue(imageData, 250 * density, 250 * density);

39
test/modules/tilesource.js
View File

@ -48,4 +48,43 @@
Util.testDeprecation(source, 'getTileSize'); Util.testDeprecation(source, 'getTileSize');
}); });
test('getTileAtPoint', function() {
var tileSource = new OpenSeadragon.TileSource({
width: 1500,
height: 1000,
tileWidth: 200,
tileHeight: 150,
tileOverlap: 1,
});
equal(tileSource.maxLevel, 11, "The max level should be 11.");
function assertTileAtPoint(level, position, expected) {
var actual = tileSource.getTileAtPoint(level, position);
ok(actual.equals(expected), "The tile at level " + level +
", position " + position.toString() +
" should be tile " + expected.toString() +
" got " + actual.toString());
}
assertTileAtPoint(11, new OpenSeadragon.Point(0, 0), new OpenSeadragon.Point(0, 0));
assertTileAtPoint(11, new OpenSeadragon.Point(0.5, 0.5), new OpenSeadragon.Point(3, 5));
assertTileAtPoint(11, new OpenSeadragon.Point(1, 10 / 15), new OpenSeadragon.Point(7, 6));
assertTileAtPoint(10, new OpenSeadragon.Point(0, 0), new OpenSeadragon.Point(0, 0));
assertTileAtPoint(10, new OpenSeadragon.Point(0.5, 0.5), new OpenSeadragon.Point(1, 2));
assertTileAtPoint(10, new OpenSeadragon.Point(1, 10 / 15), new OpenSeadragon.Point(3, 3));
assertTileAtPoint(9, new OpenSeadragon.Point(0, 0), new OpenSeadragon.Point(0, 0));
assertTileAtPoint(9, new OpenSeadragon.Point(0.5, 0.5), new OpenSeadragon.Point(0, 1));
assertTileAtPoint(9, new OpenSeadragon.Point(1, 10 / 15), new OpenSeadragon.Point(1, 1));
// For all other levels, there is only one tile.
for (var level = 8; level >= 0; level--) {
assertTileAtPoint(level, new OpenSeadragon.Point(0, 0), new OpenSeadragon.Point(0, 0));
assertTileAtPoint(level, new OpenSeadragon.Point(0.5, 0.5), new OpenSeadragon.Point(0, 0));
assertTileAtPoint(level, new OpenSeadragon.Point(1, 10 / 15), new OpenSeadragon.Point(0, 0));
}
});
}()); }());