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Add IIIF layout support to tile-based output (#2098)

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Edward Silverton 2020-03-18 13:27:54 +00:00 committed by GitHub
parent 031a58f817
commit eff36dc09f
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2 changed files with 27 additions and 3 deletions
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6
lib/output.js
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@ -568,7 +568,7 @@ function raw () {
* @param {String} [options.depth] how deep to make the pyramid, possible values are `onepixel`, `onetile` or `one`, default based on layout.
* @param {Number} [options.skipBlanks=-1] threshold to skip tile generation, a value 0 - 255 for 8-bit images or 0 - 65535 for 16-bit images
* @param {String} [options.container='fs'] tile container, with value `fs` (filesystem) or `zip` (compressed file).
* @param {String} [options.layout='dz'] filesystem layout, possible values are `dz`, `zoomify` or `google`.
* @param {String} [options.layout='dz'] filesystem layout, possible values are `dz`, `iiif`, `zoomify` or `google`.
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/
@ -603,10 +603,10 @@ function tile (options) {
}
// Layout
if (is.defined(options.layout)) {
if (is.string(options.layout) && is.inArray(options.layout, ['dz', 'google', 'zoomify'])) {
if (is.string(options.layout) && is.inArray(options.layout, ['dz', 'google', 'iiif', 'zoomify'])) {
this.options.tileLayout = options.layout;
} else {
throw is.invalidParameterError('layout', 'one of: dz, google, zoomify', options.layout);
throw is.invalidParameterError('layout', 'one of: dz, google, iiif, zoomify', options.layout);
}
}
// Angle of rotation,

24
test/unit/tile.js
View File

@ -765,6 +765,30 @@ describe('Tile', function () {
});
});
it('IIIF layout', function (done) {
const directory = fixtures.path('output.iiif.info');
rimraf(directory, function () {
sharp(fixtures.inputJpg)
.tile({
layout: 'iiif'
})
.toFile(directory, function (err, info) {
if (err) throw err;
assert.strictEqual('dz', info.format);
assert.strictEqual(2725, info.width);
assert.strictEqual(2225, info.height);
assert.strictEqual(3, info.channels);
assert.strictEqual('number', typeof info.size);
fs.stat(path.join(directory, '0,0,256,256', '256,', '0', 'default.jpg'), function (err, stat) {
if (err) throw err;
assert.strictEqual(true, stat.isFile());
assert.strictEqual(true, stat.size > 0);
done();
});
});
});
});
it('Write to ZIP container using file extension', function (done) {
const container = fixtures.path('output.dz.container.zip');
const extractTo = fixtures.path('output.dz.container');