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Fix for memory issue when watermarking images

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This commit is contained in:
Albert-Jan de Vries 2017-03-31 09:28:55 +02:00
parent 7cb8aa33c4
commit ff7970929b
4 changed files with 45 additions and 117 deletions
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12
vips.go
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@ -596,16 +596,16 @@ func max(x int) int {
return int(math.Max(float64(x), 0))
}
func vipsDrawWatermark(image *C.VipsImage, watermark *C.VipsImage, o WatermarkImage) (*C.VipsImage, error) {
func vipsDrawWatermark(image *C.VipsImage, o WatermarkImage) (*C.VipsImage, error) {
var out *C.VipsImage
if !vipsHasAlpha(image) {
C.vips_add_band(image, &image, C.double(255.0))
watermark, _, e := vipsRead(o.Buf)
if e != nil {
return nil, e
}
if !vipsHasAlpha(watermark) {
C.vips_add_band(watermark, &watermark, C.double(255.0))
}
defer C.g_object_unref(C.gpointer(image))
defer C.g_object_unref(C.gpointer(watermark))
opts := vipsWatermarkImageOptions{C.int(o.Left), C.int(o.Top), C.float(o.Opacity)}