Re: Subpixel AA text rendering on OSX

2014-02-05 Thread Markus Stange
On 04.02.14 23:54, Karl Tomlinson wrote: On Tue, 21 Jan 2014 12:27:12 -0500, Jeff Muizelaar wrote: [...] OS X supports drawing subpixel-AA to partially transparent surfaces. I believe the amount of sub pixel AA depends on the alpha of the surface. (Imagine drawing sub-pixel aa text to a transpa

Re: Subpixel AA text rendering on OSX

2014-02-04 Thread Karl Tomlinson
On Tue, 21 Jan 2014 12:27:12 -0500, Jeff Muizelaar wrote: > [...] OS X supports drawing subpixel-AA to partially > transparent surfaces. I believe the amount of sub pixel AA depends on the > alpha of the surface. (Imagine drawing sub-pixel aa text to a transparency > group to get an idea of how th

Re: Subpixel AA text rendering on OSX

2014-01-24 Thread Robert O'Callahan
On Wed, Jan 22, 2014 at 6:27 AM, Jeff Muizelaar wrote: > On Jan 20, 2014, at 5:48 PM, Matt Woodrow wrote: > > - A fully transparent surface containing only text. It should be fairly > easy to get this to happen by 3d transforming a element. I suspect > we don't want subpixel AA here, since we ha

Re: Subpixel AA text rendering on OSX

2014-01-21 Thread Jeff Muizelaar
On Jan 20, 2014, at 5:48 PM, Matt Woodrow wrote: > Hi, > > Currently in gecko we have code to determine if text being drawn into a > transparent surface has opaque content underneath it. In the case where it > doesn't we ask moz2d/cairo [1] to disable subpixel AA text rendering for this > su

Subpixel AA text rendering on OSX

2014-01-20 Thread Matt Woodrow
Hi, Currently in gecko we have code to determine if text being drawn into a transparent surface has opaque content underneath it. In the case where it doesn't we ask moz2d/cairo [1] to disable subpixel AA text rendering for this surface since it can have poor results depending on what the eve