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Prevent auto-rotate fail for libmagick formats #117

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This commit is contained in:
Lovell Fuller 2014-11-08 12:07:47 +00:00
parent f7c2a839ad
commit 740838b47c
2 changed files with 19 additions and 1 deletions
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5
src/resize.cc
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@ -657,7 +657,10 @@ class ResizeWorker : public NanAsyncWorker {
bool flip = FALSE;
if (angle == -1) {
const char *exif;
if (!vips_image_get_string(input, "exif-ifd0-Orientation", &exif)) {
if (
vips_image_get_typeof(input, "exif-ifd0-Orientation") != 0 &&
!vips_image_get_string(input, "exif-ifd0-Orientation", &exif)
) {
if (exif[0] == 0x36) { // "6"
rotate = ANGLE_90;
} else if (exif[0] == 0x33) { // "3"

15
test/unit/rotate.js
View File

@ -68,6 +68,21 @@ describe('Rotation', function() {
});
});
it('Attempt to auto-rotate image format without EXIF support', function(done) {
sharp(fixtures.inputGif)
.rotate()
.resize(320)
.jpeg()
.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(213, info.height);
done();
});
});
it('Rotate to an invalid angle, should fail', function(done) {
var fail = false;
try {