Inkscape

trunk: incorrect rendering of circle segment (rev >= 12921)

Bug #1312333 reported by su_v
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Inkscape
Fix Released
Medium
Alvin Penner
Inkscape 0.91 "0.91"

Bug Description

The two circle segments in the attached test case render incorrectly in trunk rev >= 12921.

Example SVG snippet:

    <path
       sodipodi:end="1.8656599"
       sodipodi:start="1.8656761"
       d="m 744.45079,590.71403 a 3.25,3.25 0 1 1 5e-5,10e-6 l 0.94448,-3.10973 z"
       sodipodi:ry="3.25"
       sodipodi:rx="3.25"
       sodipodi:cy="587.60431"
       sodipodi:cx="745.39532"
       id="path3375"
       style="display:inline;fill:#b1ff45;fill-opacity:1;stroke:none"
       sodipodi:type="arc" />

Originally reported here:
<http://bugs.siduction.org/issues/1606>

Reproduced on OS X 10.7.5 with 0.48+devel rev >= 12921:
<http://bazaar.launchpad.net/~inkscape.dev/inkscape/trunk/revision/12921>

Revision history for this message
su_v (suv-lp) wrote :
Revision history for this message
su_v (suv-lp) wrote :

Bitmap export with r13301 (90 dpi)

Revision history for this message
su_v (suv-lp) wrote :

Bitmap export with r12920 (90 dpi)

Revision history for this message
jazzynico (jazzynico) wrote :

Reproduced on Crunchbang Waldorf, Inkscape trunk revision 13302.

Changed in inkscape:
status: New → Triaged
su_v (suv-lp)
Changed in inkscape:
importance: Undecided → Medium
Revision history for this message
Alvin Penner (apenner) wrote :

there is a discrepancy between the way that perfect circles are handled, compared to the way in which almost circles (like 359.9 degree arcs) are handled.

looks like it should not be hard to fix, I'll look into it.

Revision history for this message
Alvin Penner (apenner) wrote :

fix committed to rev 13327

ellipse code modified to not allow individual arc segment greater than 90 degrees.

Changed in inkscape:
status: Triaged → Fix Committed
su_v (suv-lp)
Changed in inkscape:
assignee: nobody → Alvin Penner (apenner)
Bryce Harrington (bryce)
Changed in inkscape:
status: Fix Committed → Fix Released
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