Search found 2 matches

by psychon
2012-10-24T09:07:49-07:00
Forum: Bugs
Topic: Incorrect gAMA in PNGs written by ImageMagick
Replies: 3
Views: 8395

Re: Incorrect gAMA in PNGs written by ImageMagick

Thanks for that info. I think that "-colorspace rgb" is fine with me. This call is used to automatically generate "unfocused" versions for a set of icons. These icons aren't displayed in any kind of color-calibrated way, so the gamma value shouldn't matter much for my use case. I am using IM-6.7.7 ...
by psychon
2012-10-24T08:01:15-07:00
Forum: Bugs
Topic: Incorrect gAMA in PNGs written by ImageMagick
Replies: 3
Views: 8395

Incorrect gAMA in PNGs written by ImageMagick

Hi, let's try some commands: $ wget 'http://git.naquadah.org/?p=awesome.git;a=blob_plain;f=themes/default/titlebar/close_focus.png;hb=HEAD' -O orig.png [...] $ identify orig.png > /dev/null $ convert orig.png -gamma 0.6 -channel A -evaluate Multiply 0.4 res.png $ identify res.png > /dev/null ...