merge colour channels of multiple images
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README.md

rgba-channel-merge

A little command line tool to merge specific channels of multiple images into one RGBA image.

installation

go get github.com/blblblu/rgba-channel-merge

usage example

Use the red, green and blue channel from first.png as green blue and red (in that order), and the alpha channel from second.png as alpha channel:

> rgba-channel-merge first.png gbrx second.png xxxa output.png

TODO: more readme...