[cairo] Subpixel Positioning w/FreeType

Robert O'Callahan robert at ocallahan.org
Tue Oct 6 16:33:20 PDT 2009

On Wed, Oct 7, 2009 at 8:58 AM, Freddie Witherden <freddie at witherden.org>wrote:

> I believe that basic, 1/3 of a pixel, subpixel positing could be
> implemented in Cairo without a huge amount of work. It would of course
> only be applicable when subpixel rendering is enabled. Since Cairo and
> Pango both already use fractional co-ordinates this should not break
> backwards compatibility.
> Both Quartz (OS X) and ClearType (Windows) support this already.

You mean the Windows WPF ClearType rasterizer? AFAIK GDI Cleartype does not
support this.

"He was pierced for our transgressions, he was crushed for our iniquities;
the punishment that brought us peace was upon him, and by his wounds we are
healed. We all, like sheep, have gone astray, each of us has turned to his
own way; and the LORD has laid on him the iniquity of us all." [Isaiah
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