[cairo] [RFC] Cairo operators expressed in shader syntax

Vladimir Vukicevic vladimir at pobox.com
Mon May 14 17:46:23 PDT 2007

Daniel Amelang wrote:
> On 5/14/07, Vladimir Vukicevic <vladimir at pobox.com> wrote:
>> Behdad Esfahbod wrote:
>> > Do PDF/AVG support component alpha masking?  PS, Quartz, Win32?
>> Win32 does not (but then, it supports very little, so that's ok); Quartz
>> also does not, AFAIK.
> Doesn't MS cleartype work by using component alpha masking? Is that
> just not exposed through the Win32 API?

Yep; the (decades-old) win32 api exposes very little of this stuff.  The 
font rendering routines do cleartype/component alpha stuff internally.

     - Vlad

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