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Add an [invert:<mode> texture modifier

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Inverts the given channels of the base image.
Mode may contain the characters "r", "g", "b", "a".
Only the channels that are mentioned in the mode string will be inverted.
This commit is contained in:
Thomas--S
2016-08-12 17:56:31 +02:00
committed by paramat
parent 6e30dd05f4
commit 1475c1b1c8
2 changed files with 50 additions and 2 deletions
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9
doc/lua_api.txt
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@@ -318,6 +318,15 @@ Example:
default_sandstone.png^[opacity:127
#### `[invert:<mode>`
Inverts the given channels of the base image.
Mode may contain the characters "r", "g", "b", "a".
Only the channels that are mentioned in the mode string will be inverted.
Example:
default_apple.png^[invert:rgb
#### `[brighten`
Brightens the texture.