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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Bezier curve with matching start/end and control points is not rendered correctly"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101763">101763</a>
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<th>Summary</th>
<td>Bezier curve with matching start/end and control points is not rendered correctly
</td>
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<th>Product</th>
<td>cairo
</td>
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<th>Version</th>
<td>unspecified
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>general
</td>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
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<th>Reporter</th>
<td>igagis@gmail.com
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<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
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<p>
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<pre>Created <span class=""><a href="attachment.cgi?id=132628" name="attach_132628" title="cairo_rel_curve_to(cr, 100, 100, 100, 100, 0, 0)">attachment 132628</a> <a href="attachment.cgi?id=132628&action=edit" title="cairo_rel_curve_to(cr, 100, 100, 100, 100, 0, 0)">[details]</a></span>
cairo_rel_curve_to(cr, 100, 100, 100, 100, 0, 0)
Trying to render the bezier curve which has the end point same as start point
and both control points are also matching, for example:
cairo_move_to(cr, 100, 100);
cairo_rel_curve_to(cr, 100, 100, 100, 100, 0, 0);
Results in wrong image.
Expected result:
For the example above, I would expect a 45 degrees diagonal line is drawn.
Actual result:
A dot at the current point location is drawn.
Note, that if make control points slightly differ the line is drawn.
See attachments for:
1) cairo_rel_curve_to(cr, 100, 100, 100, 100, 0, 0);
2) cairo_rel_curve_to(cr, 100, 100, 101, 100, 0, 0);</pre>
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