34 lines
652 B
Markdown
34 lines
652 B
Markdown
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picedit
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=======
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A simple CLI and API for image manipulation
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CLI Usage
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---------
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```
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Usage: picedit <input> [OPTIONS]
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Options:
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--contrast <n> - a number between -255 and 255
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--brightness <n> - a number between -255 and 255
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--gamma <n>
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--fade <n> - a number between 0 and 100
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--rotate <n> - rotate image by n degrees
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--grayscale - turn the image grayscale
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--invert - invert (negative) the image
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--output <filename> - output name, defaults to 'output.png'
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```
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Library
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-------
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Documentation available at hackage
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```haskell
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import Picture
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main = do
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pic <- readPicture "myfile.png"
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writePicturePng "output.png" (grayscale pic)
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```
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