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Fix the unref of images, when image isn't transparent

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This commit is contained in:
Albert-Jan de Vries 2017-03-31 20:31:17 +02:00
parent ff7970929b
commit 6524efa800
2 changed files with 6 additions and 4 deletions
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3
vips.go
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@ -604,9 +604,6 @@ func vipsDrawWatermark(image *C.VipsImage, o WatermarkImage) (*C.VipsImage, erro
return nil, e
}
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)}
err := C.vips_watermark_image(image, watermark, &out, (*C.WatermarkImageOptions)(unsafe.Pointer(&opts)))

7
vips.h
View file

@ -464,17 +464,22 @@ vips_add_band(VipsImage *in, VipsImage **out, double c) {
int
vips_watermark_image(VipsImage *in, VipsImage *sub, VipsImage **out, WatermarkImageOptions *o) {
VipsImage *base = vips_image_new();
VipsImage **t = (VipsImage **) vips_object_local_array(VIPS_OBJECT(base), 8);
VipsImage **t = (VipsImage **) vips_object_local_array(VIPS_OBJECT(base), 10);
// add in and sub for unreffing and later use
t[0] = in;
t[1] = sub;
if (has_alpha_channel(in) == 0) {
vips_bandjoin_const1(in, &t[0], 255.0, NULL);
// in is no longer in the array and won't be unreffed, so add it at the end
t[8] = in;
}
if (has_alpha_channel(sub) == 0) {
vips_bandjoin_const1(sub, &t[1], 255.0, NULL);
// sub is no longer in the array and won't be unreffed, so add it at the end
t[9] = sub;
}
// Place watermark image in the right place and size it to the size of the