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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Cairo context should provide cairo_set_target"
href="https://bugs.freedesktop.org/show_bug.cgi?id=57289">57289</a>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
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<th>Summary</th>
<td>Cairo context should provide cairo_set_target
</td>
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<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>OS</th>
<td>All
</td>
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<th>Reporter</th>
<td>kb9vqf@pearsoncomputing.net
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<th>Hardware</th>
<td>Other
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>1.12.8
</td>
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<th>Component</th>
<td>general
</td>
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<th>Product</th>
<td>cairo
</td>
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<pre>The cairo context cairo_t should provide a method to set the current target
surface if the new target surface is compatible with the original target
surface.
This new method would speed up drawing operations in a library I am working on;
currently there is no way to either
1.) Change the cairo context target surface while keeping the state stack
intact
-OR-
2.) Retrieve current or saved painter states and transfer them to a new context
I do not want to keep track of the various painter states inside my library due
to the additional complexity and subsequent maintenance concerns. As a result,
I am essentially forced to draw onto an intermediate target surface, then paint
the contents of that surface onto multiple target surfaces via slow compositing
operations.</pre>
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