[magick-users] Converting CMYK jpg to RGB png

Ben lemasurier ben.lemasurier at gmail.com
Mon Jul 17 13:17:40 PDT 2006


Hey everyone,

 I am not having any problems when I attempt to convert a CMYK jpg to
an RGB png when using convert:

 ./convert test.jpg -profile USWebCoatedSWOP.icc -profile SRGBSPAC.ICM test.png

 However, When I attempt to do this using MagickWand and PHP I am not
getting the same results.

 Here is the code I am using to complete this conversion:
	
 $mw = NewMagickWand();
 MagickReadImage($mw, "test.jpg");
 MagickRemoveImageProfiles($mw);
 MagickSetImageProfile($mw, 'ICC', file_get_contents("USWebCoatedSWOP.icc"));
 MagickProfileImage($mw, 'ICC', file_get_contents("SRGBSPAC.ICM"));
 MagickSetImageFormat($mw, "PNG");
 MagickWriteImage($mw, "test.png");

 The image is written but it does not appear to have any sort of color
profile conversion.

 Any ideas?

 Thanks!

 Ben


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