Opacity and transparency

Patrick Julien freak at codepimps.org
Thu Jan 29 14:48:01 CET 2004


On January 29, 2004 05:01 am, Boudewijn Rempt wrote:
> Um... Was there an actual reason behind Krita's defining opacity and
> transparency to be the opposite of ImageMagick/GraphicsMagick?

Yes, to make it easier for me to understand.  What I felt we're more natural 
values.

>
> kis_global.h:
>
> const QUANTUM QUANTUM_MAX = UCHAR_MAX;
> const QUANTUM OPACITY_TRANSPARENT = 0;
> const QUANTUM OPACITY_OPAQUE = QUANTUM_MAX;
>
> vs.
>
> image.h
>
> #define OpaqueOpacity  0UL
> #define TransparentOpacity  MaxRGB



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