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tools:graphicsmagick:alpha-channel [2022-04-11 03:44] (current) snakeman created initial page. |
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+ | ====== 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 ;) | ||