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slyrus / opticl

An image processing library for Common Lisp
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added support for saving grayscale images with alpha channel #33

Closed phantomics closed 3 years ago

phantomics commented 4 years ago

Passing a height x width x 2 array to (write-png-file) will now produce a grayscale image with transparency.

phantomics commented 3 years ago

Thanks for merging it!