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twanvl
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* invert * flip_horizontal * flip_vertical * rotate git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1472 0fc631ac-6414-0410-93d0-97cfa31319b6
24 lines
1.5 KiB
Plaintext
24 lines
1.5 KiB
Plaintext
Function: saturate
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--Usage--
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> saturate(input: image, amount: saturation amount)
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Saturate or desaturate an image. Saturation makes the colors brighter, desaturation makes the image more grey.
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To saturate use an amount between @0@ (no saturation) and @1@ (super crazy, too much saturation).
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To desaturate use an amount between @0@ (no desaturation) and @-1@ (convert to greyscale).
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--Parameters--
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! Parameter Type Description
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| @input@ [[type:image]] Image to (de)saturate.
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| @alpha@ [[type:double]] Saturation factor.
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--Examples--
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> saturate("image5.png", amount: 0.5) == [[Image]]
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>>> saturate(<img src="image5.png" alt='"image5.png"' style="border:1px solid black;vertical-align:middle;margin:1px;" />, amount: 0.5) == <img src="image_saturate1.png" alt='"image_saturate1.png"' style="border:1px solid black;vertical-align:middle;margin:1px;" />
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> saturate("image5.png", amount: -0.5) == [[Image]]
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>>> saturate(<img src="image5.png" alt='"image5.png"' style="border:1px solid black;vertical-align:middle;margin:1px;" />, amount: -0.5) == <img src="image_saturate2.png" alt='"image_saturate2.png"' style="border:1px solid black;vertical-align:middle;margin:1px;" />
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> saturate("image_logo.png", amount: -1) == [[Image]]
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>>> saturate(<img src="image_logo.png" alt='"image_logo.png"' style="border:1px solid black;vertical-align:middle;margin:1px;" />, amount: -1) == <img src="image_logo_desaturate.png" alt='"image_logo_desaturate.png"' style="border:1px solid black;vertical-align:middle;margin:1px;" />
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