gdi: AlphaBlend constants
Kirill Smelkov
kirr at landau.phys.spbu.ru
Fri Dec 12 16:11:13 CST 2003
On Thu, 11 Dec 2003, Alexandre Julliard wrote:
> Kirill Smelkov <kirr at landau.phys.spbu.ru> writes:
>
> > +/* AlphaBlend flags */
> > +#define AC_SRC_NO_PREMULT_ALPHA 0x01
> > +#define AC_SRC_NO_ALPHA 0x02
> > +#define AC_DST_NO_PREMULT_ALPHA 0x10
> > +#define AC_DST_NO_ALPHA 0x20
>
> Where do these come from? I don't see them in the SDK headers or on
> MSDN, there's only an AC_SRC_ALPHA.
>
Yes, you are right.
This constatnts are available from:
http://anton.concord.ru/ftp/sound_util/ASFRecorder/source/wingui/msimg32.h
They are also mentioned in some articles about transparency...
--
Kirill.
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