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yoya/cmyk.sh

Created July 27, 2017 10:01
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CMYK multiply compose
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cmyk.sh
convert -size 400x400 xc:white -fill "#0ff" -draw "rectangle 25,125 225,325" c.png
convert -size 400x400 xc:white -fill "#f0f" -draw "rectangle 75,25 275,225" m.png
convert -size 400x400 xc:white -fill "#ff0" -draw "rectangle 175,75 375,275" y.png
convert -size 400x400 xc:white -fill "#888" -draw "rectangle 127,175 320,375" k.png
composite c.png -compose multiply m.png cm.png
composite cm.png -compose multiply y.png cmy.png
composite cmy.png -compose multiply k.png cmyk.png
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