Re: draw semitransparent text on semitransparent background image looks strange

Bob Friesenhahn <[email protected]> Fri, 7 Dec 2018 08:13:22 -0600 (CST)

Newsgroups	gmane.comp.video.graphicsmagick.help
Message-ID	<[email protected]>

On Fri, 7 Dec 2018, yzh卯帽潞锚 wrote:
>
> my GM version is 1.3.29

I see that there was a bug-fix introduced in 1.3.30 which is 
applicable to what you are doing.  You may want to update to 1.3.31:

* The AlphaCompositePixel macro was producing wrong results when the
   output alpha value was not 100% opaque. This is a regression
   introduced in 1.3.29.

Bob
-- 
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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