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- Adding a Background option when flattening out a transparent PNG

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Clement DAL PALU 2015-09-28 17:33:38 -07:00
parent ebb3688b44
commit e83c80c93c
5 changed files with 42 additions and 0 deletions
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10
vips.go
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@ -252,6 +252,16 @@ func vipsInterpretation(image *C.VipsImage) Interpretation {
return Interpretation(C.vips_image_guess_interpretation_bridge(image))
}
func vipsFlatten(image *C.VipsImage, background Color) (*C.VipsImage, error) {
var outImage *C.VipsImage
backgroundC := [3]C.double{C.double(background.R), C.double(background.G), C.double(background.B)}
err := int(C.vips_flatten_image(image, &outImage, (*C.double)(&backgroundC[0])))
if err != 0 {
return nil, catchVipsError()
}
return outImage, nil
}
func vipsPreSave(image *C.VipsImage, o *vipsSaveOptions) (*C.VipsImage, error) {
// Remove ICC profile metadata
if o.NoProfile {