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Add autoOrient operation and constructor option #4144

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This commit is contained in:
Don Denton
2024-07-03 10:34:54 -04:00
committed by Lovell Fuller
parent b7ff2645c4
commit 14c83e1f4c
137 changed files with 428 additions and 136 deletions
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173
test/unit/rotate.js
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@@ -9,46 +9,110 @@ const sharp = require('../../');
const fixtures = require('../fixtures');
describe('Rotation', function () {
['Landscape', 'Portrait'].forEach(function (orientation) {
[1, 2, 3, 4, 5, 6, 7, 8].forEach(function (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()
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(info.width, expectedWidth);
assert.strictEqual(info.height, expectedHeight);
fixtures.assertSimilar(expectedOutput, data, done);
['autoOrient', 'constructor'].forEach(function (rotateMethod) {
describe(`Auto orientation via ${rotateMethod}:`, () => {
const options = rotateMethod === 'constructor' ? { autoOrient: true } : {};
['Landscape', 'Portrait'].forEach(function (orientation) {
[1, 2, 3, 4, 5, 6, 7, 8].forEach(function (exifTag) {
const input = fixtures[`inputJpgWith${orientation}Exif${exifTag}`];
const expectedOutput = fixtures.expected(`${orientation}_${exifTag}-out.jpg`);
it(`${orientation} image with EXIF Orientation ${exifTag}: Auto-rotate`, function (done) {
const [expectedWidth, expectedHeight] = orientation === 'Landscape' ? [600, 450] : [450, 600];
const img = sharp(input, options);
rotateMethod === 'autoOrient' && img.autoOrient();
img.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(`Auto-rotate then resize ${orientation} image with EXIF Orientation ${exifTag}`, function (done) {
const [expectedWidth, expectedHeight] = orientation === 'Landscape' ? [320, 240] : [320, 427];
sharp(input)
.rotate()
.resize({ width: 320 })
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(info.width, expectedWidth);
assert.strictEqual(info.height, expectedHeight);
fixtures.assertSimilar(expectedOutput, data, done);
it(`${orientation} image with EXIF Orientation ${exifTag}: Auto-rotate then resize`, function (done) {
const [expectedWidth, expectedHeight] = orientation === 'Landscape' ? [320, 240] : [320, 427];
const img = sharp(input, options);
rotateMethod === 'autoOrient' && img.autoOrient();
img.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 ${exifTag}`, function (done) {
const [expectedWidth, expectedHeight] = orientation === 'Landscape'
? (exifTag < 5) ? [320, 240] : [320, 240]
: [320, 427];
sharp(input)
.resize({ width: 320 })
.rotate()
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(info.width, expectedWidth);
assert.strictEqual(info.height, expectedHeight);
fixtures.assertSimilar(expectedOutput, data, done);
if (rotateMethod !== 'constructor') {
it(`${orientation} image with EXIF Orientation ${exifTag}: Resize then auto-rotate`, function (done) {
const [expectedWidth, expectedHeight] = orientation === 'Landscape'
? (exifTag < 5) ? [320, 240] : [320, 240]
: [320, 427];
const img = sharp(input, options)
.resize({ width: 320 });
rotateMethod === 'autoOrient' && img.autoOrient();
img.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(info.width, expectedWidth);
assert.strictEqual(info.height, expectedHeight);
fixtures.assertSimilar(expectedOutput, data, done);
});
});
}
[true, false].forEach((doResize) => {
[90, 180, 270, 45].forEach(function (angle) {
const [inputWidth, inputHeight] = orientation === 'Landscape' ? [600, 450] : [450, 600];
const expectedOutput = fixtures.expected(`${orientation}_${exifTag}_rotate${angle}-out.jpg`);
it(`${orientation} image with EXIF Orientation ${exifTag}: Auto-rotate then rotate ${angle} ${doResize ? 'and resize' : ''}`, function (done) {
const [width, height] = (angle === 45 ? [742, 742] : [inputWidth, inputHeight]).map((x) => doResize ? Math.floor(x / 1.875) : x);
const [expectedWidth, expectedHeight] = angle % 180 === 0 ? [width, height] : [height, width];
const img = sharp(input, options);
rotateMethod === 'autoOrient' && img.autoOrient();
img.rotate(angle);
doResize && img.resize(expectedWidth);
img.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(info.width, expectedWidth);
assert.strictEqual(info.height, expectedHeight);
fixtures.assertSimilar(expectedOutput, data, done);
});
});
});
[[true, true], [true, false], [false, true]].forEach(function ([flip, flop]) {
const [inputWidth, inputHeight] = orientation === 'Landscape' ? [600, 450] : [450, 600];
const flipFlopFileName = [flip && 'flip', flop && 'flop'].filter(Boolean).join('_');
const flipFlopTestName = [flip && 'flip', flop && 'flop'].filter(Boolean).join(' & ');
it(`${orientation} image with EXIF Orientation ${exifTag}: Auto-rotate then ${flipFlopTestName} ${doResize ? 'and resize' : ''}`, function (done) {
const expectedOutput = fixtures.expected(`${orientation}_${exifTag}_${flipFlopFileName}-out.jpg`);
const img = sharp(input, options);
rotateMethod === 'autoOrient' && img.autoOrient();
flip && img.flip();
flop && img.flop();
doResize && img.resize(orientation === 'Landscape' ? 320 : 240);
img.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(info.width, inputWidth / (doResize ? 1.875 : 1));
assert.strictEqual(info.height, inputHeight / (doResize ? 1.875 : 1));
fixtures.assertSimilar(expectedOutput, data, done);
});
});
});
});
});
});
});
});
@@ -372,12 +436,36 @@ describe('Rotation', function () {
let warningMessage = '';
const s = sharp();
s.on('warning', function (msg) { warningMessage = msg; });
s.rotate();
s.rotate(90);
assert.strictEqual(warningMessage, '');
s.rotate();
s.rotate(180);
assert.strictEqual(warningMessage, 'ignoring previous rotate options');
});
it('Multiple rotate: last one wins (cardinal)', function (done) {
sharp(fixtures.inputJpg)
.rotate(45)
.rotate(90)
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(2225, info.width);
assert.strictEqual(2725, info.height);
done();
});
});
it('Multiple rotate: last one wins (non cardinal)', function (done) {
sharp(fixtures.inputJpg)
.rotate(90)
.rotate(45)
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(3500, info.width);
assert.strictEqual(3500, info.height);
done();
});
});
it('Flip - vertical', function (done) {
sharp(fixtures.inputJpg)
.resize(320)
@@ -546,4 +634,11 @@ describe('Rotation', function () {
assert.strictEqual(width, 3);
assert.strictEqual(height, 6);
});
it('Invalid autoOrient throws', () =>
assert.throws(
() => sharp({ autoOrient: 'fail' }),
/Expected boolean for autoOrient but received fail of type string/
)
);
});