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Add shrink-on-load for webp.

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Signed-off-by: Yoan Blanc <yoan@dosimple.ch>
This commit is contained in:
Yoan Blanc 2017-09-29 09:13:40 -04:00
parent 8713389fd5
commit e7d6d147ee
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GPG key ID: 6058CF4574298812
5 changed files with 155 additions and 90 deletions
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13
vips.go
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@ -532,6 +532,19 @@ func vipsShrinkJpeg(buf []byte, input *C.VipsImage, shrink int) (*C.VipsImage, e
return image, nil
}
func vipsShrinkWebp(buf []byte, input *C.VipsImage, shrink int) (*C.VipsImage, error) {
var image *C.VipsImage
var ptr = unsafe.Pointer(&buf[0])
defer C.g_object_unref(C.gpointer(input))
err := C.vips_webpload_buffer_shrink(ptr, C.size_t(len(buf)), &image, C.int(shrink))
if err != 0 {
return nil, catchVipsError()
}
return image, nil
}
func vipsShrink(input *C.VipsImage, shrink int) (*C.VipsImage, error) {
var image *C.VipsImage
defer C.g_object_unref(C.gpointer(input))