gem-doc 1:0.93.3-13 / usr / share / gem / examples / 04.pix / 18.Curves.pd

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/usr/share/gem/examples/04.pix/18.Curves.pd is in gem-doc 1:0.93.3-13.

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#X text 319 459 set all black and white pixels to black.;
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#X text 78 8 pix_curve: adjust the colour of an image;
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#X text 504 291 one curve for all channels;
#X text 505 391 curves for r \, g \, b \, a;
#X text 500 341 curves for r \, g \, b \; leave a unchanged;
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#X text 56 272 maybe this could be done more easily..?;
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