-black-threshold/-white-threshold

Bob Friesenhahn <[email protected]> Wed, 4 Jun 2008 22:51:19 -0500 (CDT)
Newsgroups gmane.comp.video.graphicsmagick.apis,gmane.comp.video.graphicsmagick.tools
Message-ID <[email protected]>
The latest GM 1.3 development snapshot supports -black-threshold and 
-white-threshold options similar to ImageMagick.  There are now 
workalike WhiteThresholdImage() and BlackThresholdImage() C functions, 
and the equivalent functionality is finally enabled in the Wand 
library.  Similar functionality is enabled in a more powerful way via 
-operator and the Threshold, Threshold-White, and Threshold-Black 
operators.  There is now a GrayChannel enumeration available which is 
similar to the one in ImageMagick, but perhaps not treated the same.

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


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