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Add support for mirroring #62

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Lovell Fuller
2014-10-21 14:47:08 +01:00
parent f214673c3c
commit db6dc6431b
6 changed files with 167 additions and 24 deletions
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102
test/unit/rotate.js
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@@ -19,25 +19,42 @@ describe('Rotation', function() {
});
it('Input image has Orientation EXIF tag but do not rotate output', function(done) {
sharp(fixtures.inputJpgWithExif).resize(320).toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(426, info.height);
done();
});
sharp(fixtures.inputJpgWithExif)
.resize(320)
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(426, info.height);
done();
});
});
it('Input image has Orientation EXIF tag value of 8 (270 degrees), auto-rotate', function(done) {
sharp(fixtures.inputJpgWithExif).rotate().resize(320).toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(240, info.height);
done();
});
sharp(fixtures.inputJpgWithExif)
.rotate()
.resize(320)
.toFile(fixtures.path('output.exif.8.jpg'), function(err, info) {
if (err) throw err;
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(240, info.height);
done();
});
});
it('Input image has Orientation EXIF tag value of 5 (270 degrees + flip), auto-rotate', function(done) {
sharp(fixtures.inputJpgWithExifMirroring)
.rotate()
.resize(320)
.toFile(fixtures.path('output.exif.5.jpg'), function(err, info) {
if (err) throw err;
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(240, info.height);
done();
});
});
it('Attempt to auto-rotate using image that has no EXIF', function(done) {
@@ -61,4 +78,57 @@ describe('Rotation', function() {
done();
});
it('Flip - vertical', function(done) {
sharp(fixtures.inputJpg)
.resize(320)
.flip()
.toFile(fixtures.path('output.flip.jpg'), function(err, info) {
if (err) throw err;
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(261, info.height);
done();
});
});
it('Flop - horizontal', function(done) {
sharp(fixtures.inputJpg)
.resize(320)
.flop()
.toFile(fixtures.path('output.flop.jpg'), function(err, info) {
if (err) throw err;
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(261, info.height);
done();
});
});
it('Flip and flop', function(done) {
sharp(fixtures.inputJpg)
.resize(320)
.flop()
.toFile(fixtures.path('output.flip.flop.jpg'), function(err, info) {
if (err) throw err;
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(261, info.height);
done();
});
});
it('Neither flip nor flop', function(done) {
sharp(fixtures.inputJpg)
.resize(320)
.flip(false)
.flop(false)
.toFile(fixtures.path('output.flip.flop.nope.jpg'), function(err, info) {
if (err) throw err;
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(261, info.height);
done();
});
});
});