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tools:graphicsmagick:alpha-channel [2022-04-11 03:44] (current)
snakeman created initial page.
Line 1: Line 1:
 +====== GraphicsMagick Alpha Channel ======
 +
 +[[:​tools:​graphicsmagick|PMC Editing Wiki: Tools GraphicsMagick]]
 +
 +**2021-12-25**
 +
 +**Add** alpha channel:
 +<code dos>
 +gm convert source.png -matte destination.png
 +</​code>​
 +
 +**Remove** alpha channel:
 +<code dos>
 +gm convert source.png +matte destination.png
 +</​code>​
 +
 +Yes negative and positive, really confuses, why not add negative**MATTE** to remove it heh. Oh well what can you do ;)
  
tools/graphicsmagick/alpha-channel.txt ยท Last modified: 2022-04-11 03:44 by snakeman