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<body><span class="vcard"><a class="email" href="mailto:thb@libreoffice.org" title="Thorsten Behrens (CIB) <thb@libreoffice.org>"> <span class="fn">Thorsten Behrens (CIB)</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - "1-bit colormap" PNG images print as solid black boxes"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=75285">bug 75285</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>NOTOURBUG
</td>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - "1-bit colormap" PNG images print as solid black boxes"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=75285#c27">Comment # 27</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - "1-bit colormap" PNG images print as solid black boxes"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=75285">bug 75285</a>
from <span class="vcard"><a class="email" href="mailto:thb@libreoffice.org" title="Thorsten Behrens (CIB) <thb@libreoffice.org>"> <span class="fn">Thorsten Behrens (CIB)</span></a>
</span></b>
<pre>So after much testing (Linux & Windows), I now believe this is NOTOURBUG.
While in 2018, on an opensuse Leap, I was able to repro, by now (using versions
as old as 5.2.7), I don't see it anymore (neither print to PDF, nor export as
PDF, nor print to CUPS-connected printer and intercepting the spool file shows
the prob).
Versions:
* opensuse Tumbleweed - 20200108
* cups-filters-1.25.0-2.2.x86_64
* libcups2-2.3b6-1.3.x86_64
* libcupsimage2-2.3b6-1.3.x86_64
* cups-2.3b6-1.3.x86_64
This was very likely some bits in the CUPS filter chain meddling with the image
- LibreOffice is passing down:
4 0 obj
<</Type/XObject/Subtype/Image/Width 1230/Height 1230/BitsPerComponent 1/Length
5 0 R
/Filter/CCITTFaxDecode/DecodeParms<</K -1/BlackIs1 true/Columns 1230>>
/ColorSpace/DeviceGray
/Mask 6 0 R
Whereas earlier CUPS output then converted that into:
8 0 obj
<</Subtype/Image
/ColorSpace/DeviceRGB
/Width 1230
/Height 1230
/BitsPerComponent 8
/Filter/DCTDecode/Length 42130>></pre>
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