Re: negative colors in OSX cymk images

This has been discussed on the Discourse server forums with no good 
solution except to add -negate.\

http://www.imagemagick.org/discourse-server/



>I received some jpg and psd images that were generated in Mac OSX. After
>converting to jpg in several flavors, some are appearing negative
>(colors inverted) under Mac OSX.
>
>I have used convert -strip -quality 85 plus some resize.
>
>The images are here:
>
>http://mauta.net/imagemagick/
>
>56_Rotanti_Ticino_1968_1_Mulas-gimp.jpg
>56_Rotanti_Ticino_1968_1_Mulas.psd
>56_Rotanti_Ticino_1968_1_Mulas-strip-quality85-resize415.jpg
>56_Rotanti_Ticino_1968_1_Mulas-original.jpg
>56_Rotanti_Ticino_1968_1_Mulas-strip-quality85.jpg
>
>It seems this is a known issue for cymk jpg in OSX. Anybody knows of a
>workaround?
>
>Blau