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https://issues.apache.org/jira/browse/PDFBOX-4962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17200985#comment-17200985
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Tilman Hausherr commented on PDFBOX-4962:
-----------------------------------------

How would this work? This would have to be a new kind of Graphics2D device, or 
one would have to convert anyway.

Some problems may be because we're not using the "gold standard" cmyk profile. 
You could do this:

{code}
        // 
https://www.adobe.com/support/downloads/iccprofiles/iccprofiles_win.html
        PDDeviceCMYK.INSTANCE = new PDDeviceCMYK()
        {
            @Override
            protected ICC_Profile getICCProfile() throws IOException
            {
                return ICC_Profile.getInstance("USWebCoatedSWOP.icc");
            }
        };
{code}

> CMYK support
> ------------
>
>                 Key: PDFBOX-4962
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4962
>             Project: PDFBox
>          Issue Type: Bug
>            Reporter: Simon Steiner
>            Priority: Major
>
> If the content stream has a cmyk color:
> 0 0 0 1 k
> pdfbox will convert this to rgb causing loss of fidelity
> is it possible to pass the cmyk color when you call graphics2d eg:
> {color:#660e7a}graphics{color}.setPaint(cmyk value)



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