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Article #65

Re: stroke and fill

#65
From: Jeffrey H. Coffield
Date: Fri, 25 Jul 2008 13:56
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David_Cristian@adobeforums.com wrote:
> I made it work with image dictionary, but I still have a problem with CMYK. When I write the data in the ps file don't i have to make a conversion from the rgb to cmyk ?
> 
> I mean i still have the image represented by the rgb colors for every component.It will not interpret well .. because it will find get the first 4 bytes (that are R G B R) and it willn't work
> 
> saw something like this:
> 
> c = (255 - red)/255;
>  m = (255 - green)/255;
>  y = (255 - blue)/255;
> 
> k = min(c,m,y,k);
> 
> So, my question is how do I write the corespondent for CMYK colors from the rgb ones?
> 
> David

Aside from letting Postscript handle this, theoretically, if the c, y & 
m were perfect colors then after you determine k above, you would 
subtract that value from the c, m & y values.

Jeff Coffield
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From: "Jeffrey H. Coffield" <jeffrey@digitalsynergyinc.com>
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Subject: Re: stroke and fill
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Date: Fri, 25 Jul 2008 06:56:12 -0700