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Ensure ratios are not swapped when rotating 90/270 and ignoring aspect

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Lovell Fuller 2016-03-28 22:40:37 +01:00
parent e576165cf1
commit 25b63a2fb4
3 changed files with 25 additions and 2 deletions
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4
docs/changelog.md
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@ -26,6 +26,10 @@
[#367](https://github.com/lovell/sharp/issues/367)
[@salzhrani](https://github.com/salzhrani)
* Ensure ratios are not swapped when rotating 90/270 and ignoring aspect.
[#387](https://github.com/lovell/sharp/issues/387)
[@kleisauke](https://github.com/kleisauke)
### v0.13 - "*mind*"
#### v0.13.1 - 27<sup>th</sup> February 2016

6
src/pipeline.cc
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@ -194,7 +194,8 @@ class PipelineWorker : public AsyncWorker {
// Get pre-resize image width and height
int inputWidth = image.width();
int inputHeight = image.height();
if (!baton->rotateBeforePreExtract && (rotation == VIPS_ANGLE_D90 || rotation == VIPS_ANGLE_D270)) {
if (baton->canvas != Canvas::IGNORE_ASPECT && !baton->rotateBeforePreExtract &&
(rotation == VIPS_ANGLE_D90 || rotation == VIPS_ANGLE_D270)) {
// Swap input output width and height when rotating by 90 or 270 degrees
std::swap(inputWidth, inputHeight);
}
@ -392,7 +393,8 @@ class PipelineWorker : public AsyncWorker {
// Recalculate residual float based on dimensions of required vs shrunk images
int shrunkWidth = image.width();
int shrunkHeight = image.height();
if (rotation == VIPS_ANGLE_D90 || rotation == VIPS_ANGLE_D270) {
if (baton->canvas != Canvas::IGNORE_ASPECT && !baton->rotateBeforePreExtract &&
(rotation == VIPS_ANGLE_D90 || rotation == VIPS_ANGLE_D270)) {
// Swap input output width and height when rotating by 90 or 270 degrees
std::swap(shrunkWidth, shrunkHeight);
}

17
test/unit/rotate.js
View File

@ -35,6 +35,23 @@ describe('Rotation', function() {
});
});
it('Rotate by 270 degrees, square output ignoring aspect ratio', function(done) {
sharp(fixtures.inputJpg)
.resize(240, 240)
.ignoreAspectRatio()
.rotate(270)
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(240, info.width);
assert.strictEqual(240, info.height);
sharp(data).metadata(function(err, metadata) {
assert.strictEqual(240, metadata.width);
assert.strictEqual(240, metadata.height);
done();
});
});
});
it('Input image has Orientation EXIF tag but do not rotate output', function(done) {
sharp(fixtures.inputJpgWithExif)
.resize(320)