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Re: [ft-devel] [ftgrid] Display rendered bitmap (new feature).


From: Werner LEMBERG
Subject: Re: [ft-devel] [ftgrid] Display rendered bitmap (new feature).
Date: Sat, 13 Feb 2016 08:03:08 +0100 (CET)

>> Trying it on arial.ttf, I see some greenish artifacts at the pixel
>> borders; similarly, the outline partially changes its colour
>> depending on the zoom.  Is it possible to suppress these effects?
> 
> I'm pretty sure that those are a graphics system caching bug.  There
> is a cache of gradients to speed up blending with gamma.  This
> feature stresses its limits because there is a lot more gradients to
> cache as we blend on top of blending.

With `graphics system' I assume that you mean FreeType's small
graphics library, right?  Can you fix this problem?

> Other things to add: monochrome bitmaps when antialias is off and
> error checking.

Yes.  Looking forward to your improvements :-)


    Werner



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