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Ensure auto-rotate always works without resize #3422

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Lovell Fuller
2022-11-02 13:59:34 +00:00
parent 37f7ccfff4
commit 5b0fba4c01
3 changed files with 45 additions and 9 deletions
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41
test/unit/rotate.js
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@@ -8,16 +8,43 @@ const fixtures = require('../fixtures');
describe('Rotation', function () {
['Landscape', 'Portrait'].forEach(function (orientation) {
[1, 2, 3, 4, 5, 6, 7, 8].forEach(function (exifTag) {
it('Input image has Orientation EXIF tag value of (' + exifTag + '), auto-rotate', function (done) {
sharp(fixtures['inputJpgWith' + orientation + 'Exif' + exifTag])
const input = fixtures[`inputJpgWith${orientation}Exif${exifTag}`];
const expectedOutput = fixtures.expected(`${orientation}_${exifTag}-out.jpg`);
it(`Auto-rotate ${orientation} image with EXIF Orientation ${exifTag}`, function (done) {
const [expectedWidth, expectedHeight] = orientation === 'Landscape' ? [600, 450] : [450, 600];
sharp(input)
.rotate()
.resize(320)
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(orientation === 'Landscape' ? 240 : 427, info.height);
fixtures.assertSimilar(fixtures.expected(orientation + '_' + exifTag + '-out.jpg'), data, done);
assert.strictEqual(info.width, expectedWidth);
assert.strictEqual(info.height, expectedHeight);
fixtures.assertSimilar(expectedOutput, data, done);
});
});
it(`Auto-rotate then resize ${orientation} image with EXIF Orientation ${exifTag}`, function (done) {
const [expectedWidth, expectedHeight] = orientation === 'Landscape' ? [320, 240] : [320, 427];
sharp(input)
.rotate()
.resize({ width: 320 })
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(info.width, expectedWidth);
assert.strictEqual(info.height, expectedHeight);
fixtures.assertSimilar(expectedOutput, data, done);
});
});
it(`Resize then auto-rotate ${orientation} image with EXIF Orientation ${exifTag}`, function (done) {
const [expectedWidth, expectedHeight] = orientation === 'Landscape'
? (exifTag < 5) ? [320, 240] : [320, 240]
: [320, 427];
sharp(input)
.resize({ width: 320 })
.rotate()
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(info.width, expectedWidth);
assert.strictEqual(info.height, expectedHeight);
fixtures.assertSimilar(expectedOutput, data, done);
});
});
});