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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/105390/">http://git.reviewboard.kde.org/r/105390/</a>
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<p style="margin-top: 0;">On June 30th, 2012, 5:34 a.m., <b>Thorsten Zachmann</b> wrote:</p>
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<a href="http://git.reviewboard.kde.org/r/105390/diff/1/?file=70655#file70655line344" style="color: black; font-weight: bold; text-decoration: underline;">libs/kopageapp/KoPAPageBase.cpp</a>
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(Diff revision 1)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">QPixmap KoPAPageBase::generateThumbnail(const QSize &size)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="n">QImage</span> <span class="n">KoPAPageBase</span><span class="o">::</span><span class="n">thumbImage</span><span class="p">(</span><span class="k">const</span> <span class="n">QSize</span> <span class="o">&</span><span class="n">size</span><span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">size</span><span class="p">.</span><span class="n">isEmpty</span><span class="p">())</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">return</span> <span class="n">QImage</span><span class="p">();</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">return</span> <span class="n">generateThumbnail</span><span class="p">(</span><span class="n">size</span><span class="p">).</span><span class="n">toImage</span><span class="p">();</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="p">}</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I don't like using a qpixmap and then converting it to a qimage. Using a QPixmap in this case is a bas idea as it gives worse results and is not threadsave.
How about refactoring the code to pass the painter to the painting and one function to get the zoom handler?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Seems implications of QImage vs. QPixmap was not in my mind when cutting the code. But I do not really understand your refactoring proposal: one function to get the zoom handler? Where should that be added?
I dropped an idea to create a AbstractThumbCreationTemplate class or similar to not overengineer and instead returned to have a little code duplication in both function, see upcoming update. Proposals to reduce the duplication left still welcome :)</pre>
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<p>- Friedrich W. H.</p>
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<p>On June 29th, 2012, 9:25 p.m., Friedrich W. H. Kossebau wrote:</p>
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<div>Review request for Calligra, Yue Liu and Thorsten Zachmann.</div>
<div>By Friedrich W. H. Kossebau.</div>
<p style="color: grey;"><i>Updated June 29, 2012, 9:25 p.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Currently the size of the thumbnails is not adapted to the format of the page, instead the icon contains empty white space on the sides if the page is not square. That results in bad previews in the filesystem browsers.
The patch fixes that by calculating the size of the preview image to just match the rendered area.
It also reduces code duplication by moving the identic implementations of thumbImage(...) and generateThumbnail(...) to the base class.
And removes the unused and never-defined method createPageThumbnail() from KPrNotes.
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Cleared the thumbnail cache in ~/.thumbnails and enjoyed better thumbnails after the patch :) E.g. when browsing the templates.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>libs/kopageapp/KoPAMasterPage.h <span style="color: grey">(9852973)</span></li>
<li>libs/kopageapp/KoPAMasterPage.cpp <span style="color: grey">(42e9065)</span></li>
<li>libs/kopageapp/KoPAPage.h <span style="color: grey">(6a81b04)</span></li>
<li>libs/kopageapp/KoPAPage.cpp <span style="color: grey">(cd9c5f4)</span></li>
<li>libs/kopageapp/KoPAPageBase.h <span style="color: grey">(b9a5961)</span></li>
<li>libs/kopageapp/KoPAPageBase.cpp <span style="color: grey">(cd25030)</span></li>
<li>stage/part/KPrNotes.h <span style="color: grey">(28ee984)</span></li>
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<p><a href="http://git.reviewboard.kde.org/r/105390/diff/" style="margin-left: 3em;">View Diff</a></p>
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