On Thu, Feb 10, 2011 at 9:33 PM, Hal V. Engel <span dir="ltr">&lt;<a href="mailto:hvengel@gmail.com">hvengel@gmail.com</a>&gt;</span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">

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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">I had a closer look at the PDF files produced by the Qt print dialog.  I see the following:</p>
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">1.  The first line is </p>
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">%PDF-1.4</p>
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">So these are NOT PDF/X.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><br></p></div></blockquote><div><br></div><div>PDF/X doesn&#39;t care about the PDF version.  It can be anything from 1.0-&gt;1.7. </div>
<div><br></div><div>The identifying factor is in the XMP - but yes, I suspect that they are not.</div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">2. All image objects are either DeviceRGB or DeviceGray even when using a color managed app like Krita with a color managed image.   Looking at the code in QPdfEnginePrivate I see that that this is hard coded.</p>

<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><br></p></div></blockquote><div><br></div><div>And there is no DefaultRGB or OutputIntent of any kind.  So no profiles at all, eh??</div>
<div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div style="font-family:&#39;DejaVu Sans&#39;;font-size:12pt;font-weight:400;font-style:normal">
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">3. Images are always 8 bits/channel or less.  QImage limitation.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><br></p></div></blockquote><div><br></div><div>That&#39;s not a big deal - most PDFs are that way.   (and 16bit images didn&#39;t appear till PDF 1.5).</div>
<div><br></div><div><br></div><div>Leonard </div></div>