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openseadragon/test/modules/iiif.js

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JavaScript
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(function() {
var id = "http://example.com/identifier";
var configure = function(data) {
return OpenSeadragon.IIIFTileSource.prototype.configure.apply(
new OpenSeadragon.TileSource(), [ data, 'http://example.com/identifier' ]
);
};
var getSource = function( data ) {
var options = configure( data );
return new OpenSeadragon.IIIFTileSource( options );
};
var infoXml10level0 = new DOMParser().parseFromString('<?xml version="1.0" encoding="UTF-8"?>' +
'<info xmlns="http://library.stanford.edu/iiif/image-api/ns/">' +
'<identifier>http://example.com/identifier</identifier>' +
'<width>6000</width>' +
'<height>4000</height>' +
'<scale_factors>' +
'<scale_factor>1</scale_factor>' +
'<scale_factor>2</scale_factor>' +
'<scale_factor>4</scale_factor>' +
'</scale_factors>' +
'<profile>http://library.stanford.edu/iiif/image-api/compliance.html#level0</profile>' +
'</info>',
'text/xml'
),
infoXml10level1 = new DOMParser().parseFromString('<?xml version="1.0" encoding="UTF-8"?>' +
'<info xmlns="http://library.stanford.edu/iiif/image-api/ns/">' +
'<identifier>http://example.com/identifier</identifier>' +
'<width>6000</width>' +
'<height>4000</height>' +
'<profile>http://library.stanford.edu/iiif/image-api/compliance.html#level1</profile>' +
'</info>',
'text/xml'
),
infoJson10level0 = {
"identifier": id,
"width": 2000,
"height": 1000,
"profile" : "http://library.stanford.edu/iiif/image-api/compliance.html#level0"
},
infoJson10level1 = {
"identifier": id,
"width": 2000,
"height": 1000,
"profile" : "http://library.stanford.edu/iiif/image-api/compliance.html#level1"
},
infoJson11level0 = {
"@context": "http://library.stanford.edu/iiif/image-api/1.1/context.json",
"@id": id,
"width": 2000,
"height": 1000,
"profile": "http://library.stanford.edu/iiif/image-api/1.1/compliance.html#level0"
},
infoJson11level1 = {
"@context": "http://library.stanford.edu/iiif/image-api/1.1/context.json",
"@id": id,
"width": 2000,
"height": 1000,
"profile": "http://library.stanford.edu/iiif/image-api/1.1/compliance.html#level1"
},
infoJson11level1WithTiles = {
"@context": "http://library.stanford.edu/iiif/image-api/1.1/context.json",
"@id": id,
"width": 2000,
"height": 1000,
"tile_width": 512,
"tile_height": 256,
"profile": "http://library.stanford.edu/iiif/image-api/1.1/compliance.html#level1"
},
infoJson2level0 = {
"@context": "http://iiif.io/api/image/2/context.json",
"@id": id,
"width": 2000,
"height": 1000,
"sizes": [
{ width: 2000, height: 1000 },
{ width: 1000, height: 500 }
],
"profile": ["http://iiif.io/api/image/2/level0.json"]
},
infoJson2level0sizeByW = {
"@context": "http://iiif.io/api/image/2/context.json",
"@id": id,
"width": 2000,
"height": 1000,
"profile": ["http://iiif.io/api/image/2/level0.json", {"supports": "sizeByW"} ]
},
infoJson2level1 = {
"@context": "http://iiif.io/api/image/2/context.json",
"@id": id,
"width": 2000,
"height": 1000,
"profile": ["http://iiif.io/api/image/2/level1.json"]
},
infoJson3level0 = {
"@context": "http://iiif.io/api/image/3/context.json",
"id": id,
"width": 2000,
"height": 1000,
"sizes": [
{ width: 2000, height: 1000 },
{ width: 1000, height: 500 }
],
"profile": "level0"
},
infoJson3level0WithTiles = {
"@context": "http://iiif.io/api/image/3/context.json",
"id": id,
"width": 2000,
"height": 1000,
"tiles": [
{ "width": 256, "scaleFactors": [ 2, 4, 1 ] }
],
"sizes": [
{ width: 2000, height: 1000 },
{ width: 1000, height: 500 },
{ width: 500, height: 250 }
],
"profile": "level0"
},
infoJson3level0ContextExtension = {
"@context": [
"http://iiif.io/api/image/3/context.json",
{
"example": "http://example.com/vocab"
}
],
"id": id,
"width": 2000,
"height": 1000,
"profile": "level0"
},
infoJson3level0sizeByW = {
"@context": "http://iiif.io/api/image/3/context.json",
"id": id,
"width": 2000,
"height": 1000,
"profile": "level0",
"extraFeatures": "sizeByW"
},
infoJson3level0sizeByWh = {
"@context": "http://iiif.io/api/image/3/context.json",
"id": id,
"width": 2000,
"height": 1000,
"profile": "level0",
"extraFeatures": "sizeByWh"
},
infoJson3level1 = {
"@context": "http://iiif.io/api/image/3/context.json",
"id": id,
"width": 2000,
"height": 1000,
"profile": "level1"
},
infoJson3DescendingSizeOrder = {
"@context": "http://iiif.io/api/image/3/context.json",
"id": id,
"width": 2000,
"height": 1000,
"tiles": [
{ "width": 512, "scaleFactors": [ 1, 2, 4 ] }
],
"sizes": [
{ width: 2000, height: 1000 },
{ width: 1000, height: 500 },
{ width: 500, height: 250 }
],
"profile": "level1",
};
QUnit.module('IIIF');
QUnit.test('IIIFTileSource.configure determines correct version', function(assert) {
var options1_0xml = configure(infoXml10level0);
assert.ok(options1_0xml.version);
assert.equal(options1_0xml.version, 1, 'Version is 1 for version 1.0 info.xml');
var options1_0 = configure(infoJson10level0);
assert.ok(options1_0.version);
assert.equal(options1_0.version, 1, 'Version is 1 for version 1.0 info.json');
var options1_1 = configure(infoJson11level0);
assert.ok(options1_1.version);
assert.equal(options1_1.version, 1, 'Version is 1 for version 1.1 info.json');
var options2 = configure(infoJson2level0);
assert.ok(options2.version);
assert.equal(options2.version, 2, 'Version is 2 for version 2 info.json');
var options3 = configure(infoJson3level0);
assert.ok(options3.version);
assert.equal(options3.version, 3, 'Version is 3 for version 3 info.json');
var options3withContextExtension = configure(infoJson3level0ContextExtension);
assert.ok(options3withContextExtension.version);
assert.equal(options3withContextExtension.version, 3, 'Version is 3 for version 3 info.json');
});
QUnit.test('IIIFTileSource private function canBeTiled works as expected', function(assert) {
var canBeTiled = function( data ) {
var source = getSource( data );
return source.__testonly__.canBeTiled( source );
};
assert.notOk(canBeTiled(infoXml10level0));
assert.ok(canBeTiled(infoXml10level1));
assert.notOk(canBeTiled(infoJson10level0));
assert.ok(canBeTiled(infoJson10level1));
assert.notOk(canBeTiled(infoJson11level0));
assert.ok(canBeTiled(infoJson11level1));
assert.notOk(canBeTiled(infoJson2level0));
assert.ok(canBeTiled(infoJson2level0sizeByW));
assert.ok(canBeTiled(infoJson2level1));
assert.notOk(canBeTiled(infoJson3level0));
assert.notOk(canBeTiled(infoJson3level0sizeByW));
assert.ok(canBeTiled(infoJson3level0sizeByWh));
assert.ok(canBeTiled(infoJson3level1));
});
QUnit.test('IIIFTileSource private function constructLevels creates correct URLs for legacy pyramid', function( assert ) {
var constructLevels = function( data ) {
var source = getSource( data );
return source.__testonly__.constructLevels( source );
};
var levelsVersion2 = constructLevels(infoJson2level0);
assert.ok(Array.isArray(levelsVersion2));
assert.equal(levelsVersion2.length, 2, 'Constructed levels contain 2 entries');
assert.equal(levelsVersion2[0].url, 'http://example.com/identifier/full/1000,/0/default.jpg');
assert.equal(levelsVersion2[1].url, 'http://example.com/identifier/full/2000,/0/default.jpg');
// FIXME see below
// assert.equal(levelsVersion2[1].url, 'http://example.com/identifier/full/full/0/default.jpg');
var levelsVersion3 = constructLevels(infoJson3level0);
assert.ok(Array.isArray(levelsVersion3));
assert.equal(levelsVersion3.length, 2, 'Constructed levels contain 2 entries');
assert.equal(levelsVersion3[0].url, 'http://example.com/identifier/full/1000,500/0/default.jpg');
assert.equal(levelsVersion3[1].url, 'http://example.com/identifier/full/2000,1000/0/default.jpg');
/*
* FIXME: following https://iiif.io/api/image/3.0/#47-canonical-uri-syntax and
* https://iiif.io/api/image/2.1/#canonical-uri-syntax, I'd expect 'max' to be required to
* be served by a level 0 compliant service instead of 'w,h', 'full' instead of 'w,' respectivley.
*/
//assert.equal(levelsVersion3[1].url, 'http://example.com/identifier/full/max/0/default.jpg');
});
QUnit.test('IIIFTileSource.getTileUrl returns the correct URLs', function( assert ) {
var source11Level1 = getSource(infoJson11level1);
assert.equal(source11Level1.getTileUrl(0, 0, 0), "http://example.com/identifier/full/8,/0/native.jpg");
assert.equal(source11Level1.getTileUrl(7, 0, 0), "http://example.com/identifier/0,0,1024,1000/512,/0/native.jpg");
assert.equal(source11Level1.getTileUrl(7, 1, 0), "http://example.com/identifier/1024,0,976,1000/488,/0/native.jpg");
assert.equal(source11Level1.getTileUrl(8, 0, 0), "http://example.com/identifier/0,0,512,512/512,/0/native.jpg");
var source2Level1 = getSource(infoJson2level1);
assert.equal(source2Level1.getTileUrl(0, 0, 0), "http://example.com/identifier/full/8,/0/default.jpg");
assert.equal(source2Level1.getTileUrl(7, 0, 0), "http://example.com/identifier/0,0,1024,1000/512,/0/default.jpg");
assert.equal(source2Level1.getTileUrl(7, 1, 0), "http://example.com/identifier/1024,0,976,1000/488,/0/default.jpg");
assert.equal(source2Level1.getTileUrl(8, 0, 0), "http://example.com/identifier/0,0,512,512/512,/0/default.jpg");
assert.equal(source2Level1.getTileUrl(8, 3, 0), "http://example.com/identifier/1536,0,464,512/464,/0/default.jpg");
assert.equal(source2Level1.getTileUrl(8, 0, 1), "http://example.com/identifier/0,512,512,488/512,/0/default.jpg");
assert.equal(source2Level1.getTileUrl(8, 3, 1), "http://example.com/identifier/1536,512,464,488/464,/0/default.jpg");
var source2Level0 = getSource(infoJson2level0);
assert.equal(source2Level0.getTileUrl(0, 0, 0), "http://example.com/identifier/full/1000,/0/default.jpg");
assert.equal(source2Level0.getTileUrl(1, 0, 0), "http://example.com/identifier/full/2000,/0/default.jpg");
var source3Level0WithTiles = getSource(infoJson3level0WithTiles);
assert.equal(source3Level0WithTiles.getTileUrl(0, 0, 0), "http://example.com/identifier/0,0,1024,1000/256,250/0/default.jpg");
assert.equal(source3Level0WithTiles.getTileUrl(1, 1, 0), "http://example.com/identifier/512,0,512,512/256,256/0/default.jpg");
assert.equal(source3Level0WithTiles.getTileUrl(2, 0, 0), "http://example.com/identifier/0,0,256,256/256,256/0/default.jpg");
var source3Level1 = getSource(infoJson3level1);
assert.equal(source3Level1.getTileUrl(0, 0, 0), "http://example.com/identifier/full/8,4/0/default.jpg");
assert.equal(source3Level1.getTileUrl(7, 0, 0), "http://example.com/identifier/0,0,1024,1000/512,500/0/default.jpg");
assert.equal(source3Level1.getTileUrl(7, 1, 0), "http://example.com/identifier/1024,0,976,1000/488,500/0/default.jpg");
assert.equal(source3Level1.getTileUrl(8, 0, 0), "http://example.com/identifier/0,0,512,512/512,512/0/default.jpg");
assert.equal(source3Level1.getTileUrl(8, 3, 0), "http://example.com/identifier/1536,0,464,512/464,512/0/default.jpg");
assert.equal(source3Level1.getTileUrl(8, 0, 1), "http://example.com/identifier/0,512,512,488/512,488/0/default.jpg");
assert.equal(source3Level1.getTileUrl(8, 3, 1), "http://example.com/identifier/1536,512,464,488/464,488/0/default.jpg");
var source3DescendingSizeOrder = getSource(infoJson3DescendingSizeOrder);
assert.equal(source3DescendingSizeOrder.getTileUrl(0, 0, 0), "http://example.com/identifier/full/500,250/0/default.jpg");
assert.equal(source3DescendingSizeOrder.getTileUrl(1, 1, 0), "http://example.com/identifier/1024,0,976,1000/488,500/0/default.jpg");
assert.equal(source3DescendingSizeOrder.getTileUrl(2, 0, 0), "http://example.com/identifier/0,0,512,512/512,512/0/default.jpg");
});
})();
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