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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <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>
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>chris@chris-wilson.co.uk
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Cairo context should provide cairo_set_target
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>cairo-bugs@cairographics.org
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>kb9vqf@pearsoncomputing.net
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>1.12.8
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>general
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>cairo
          </td>
        </tr></table>
      <p>
        <div>
        <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>
        </div>
      </p>
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