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Adding basic smartcrop support.

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Signed-off-by: Yoan Blanc <yoan@dosimple.ch>
This commit is contained in:
Yoan Blanc 2017-04-04 10:17:01 +02:00
parent 24d84e6d8c
commit 9c914467b3
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GPG key ID: 6058CF4574298812
7 changed files with 58 additions and 3 deletions
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16
vips.go
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@ -456,6 +456,22 @@ func vipsExtract(image *C.VipsImage, left, top, width, height int) (*C.VipsImage
return buf, nil
}
func vipsSmartCrop(image *C.VipsImage, width, height int) (*C.VipsImage, error) {
var buf *C.VipsImage
defer C.g_object_unref(C.gpointer(image))
if width > MaxSize || height > MaxSize {
return nil, errors.New("Maximum image size exceeded")
}
err := C.vips_smartcrop_bridge(image, &buf, C.int(width), C.int(height))
if err != 0 {
return nil, catchVipsError()
}
return buf, nil
}
func vipsShrinkJpeg(buf []byte, input *C.VipsImage, shrink int) (*C.VipsImage, error) {
var image *C.VipsImage
var ptr = unsafe.Pointer(&buf[0])