[magick-users] CMYK PDF read as CMY (without K channel).

[Anthony Thyssen]

On Mon, 17 Nov 2008 08:49:24 +0100
Pierre-Yves Landur__ <py.landure at dorigo.fr> wrote:

| Hi,
| 
| well, i've just tried to display the CMYK profiles using the PHP Imagick 
| API getImageProfiles, but there is none available in the PDF that I open.
| 
| And i don't understand why i should need profiles. Profiles are usefull 
| for color conversion (CMYK -> RGB for example). In my case, it is the 
| saved data that does not fit. Like i said earlier, the CMYK color in the 
| JPEG are different from the ones in the PDF.
| 
| Since i have no color profile in the CMYK PDF, how can i add one to the 
| JPEG ?
| 
| I'm a little puzzled.
| 
Adding a JPG profile (just one -profile entry as the image does not have
one yet, will make other clients understand that the JPG image represents
CMYK and how to handle the colors. It isn't just for color conversion, but
for color handling and display.


  Anthony Thyssen ( System Programmer )    <A.Thyssen at griffith.edu.au>
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