[cairo] Broken mask transformations with pixman

[Jeff Muizelaar]

On Wed, Sep 19, 2007 at 04:46:15PM -0400, Jeff Muizelaar wrote:
> It looks like mask transforms are broken with the current pixman tree
> and have been for some time. The problem is that existance of a mask
> transformation is being ignored when selecting a special case routine.
> This causes the special case routines to be passed inappropriate xMask
> and yMask parameters.

I'd just like to add that this problem is pretty serious. Currently,
poppler's imageMask code (think type3 fonts) and any other usage of
cairo_mask with an A8 surface and a non-integer translation are broken.

-Jeff