On Thu, 13 Nov 2008 09:42:39 +0100
Pierre-Yves Landur__ <[EMAIL PROTECTED]> wrote:
| Hi,
|
| i've tried it, and it is true that the black channel is not set to 0.
| But, i've opened the original PDF and the JPG resulting from the
| conversion with Illustrator and Photoshop (non free, but can handle CMYK).
|
| And i get this colors :
|
| for a vector drawed item in PDF:
| PDF C: 0, M: 0, Y: 0, K: 77 -> JPG C: 70 , M: 70, Y: 70 , K: 0
|
| And for a Text:
| PDF c: 75, M: 5, J: 100, K: 0 -> JPG: C: 65 , M: 36, Y: 76, K: 0
|
| using the convert command line you gave me or the one i've first posted
| make no difference in the result.
| For me, it look like a CMYK -> CMY conversion, but i'm no specialist.
|
| I use Image Magick v 6.3.7 from Ubuntu Hardy Heron.
|
| Have you an idea of what is the source of the problem ?
|
Actually to me it looks more like a CMYK -> RGB conversion!
First lets get IM at least reading the image right!
does this display the image correctly?
convert original_cmyk.pdf x:
what about
convert original_cmyk.pdf -colorspace RGB x:
and
convert original_cmyk.pdf -set colorspace CMYK -colorspace RGB x:
That last reads in the image forces IM to think of it as CMYK
then converts it to RGB to display
When you have it in memory right then you can try to write it as JPEG!
Anthony Thyssen ( System Programmer ) <[EMAIL PROTECTED]>
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There is nothing more constant, as change!
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Anthony's Home is his Castle http://www.cit.gu.edu.au/~anthony/
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