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OPEN  Bug report #436  -  Preview render - Cairo On - Quality5 - "ghost lines appear"
Posted May 11, 2013 - updated May 22, 2013
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0
Votes
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Carlos López (genete) has been working on this issue since May 21, 2013 (16:36)
Issue details
  • Type of issue
    Bug report
  • Status
     
    		 Ready for testing / QA
  • Assigned to
    Carlos López
  • Progress
       
  • Type of bug
    Not triaged
  • Likelihood
    Not triaged
  • Effect
    Not triaged
  • Posted by
    djay
  • Owned by
    Not owned by anyone
  • Category
    Rendering
  • Resolution
    Not determined
  • Priority
    Not determined
  • Targetted for
    icon_milestones.png Not determined
  • Tags
    icon_customdatatype.png Not determined
  • Difficulty
    icon_customdatatype.png Not determined
Issue description
Steps to reproduce this issue
Nothing entered.

#2
Comment posted by
Carlos López
May 12, 08:34
Looks like the effect of close the outline when it shouldn't appears randomly. Reloading the same file from disk makes the wrong outlines appear in other places.
#4
Comment posted by
Carlos López
May 21, 16:39
The reason to use Cairo API to render the outline was to test if there is any performance difference between render it using the Cairo API against render it as a polygon. Seems that there is not difference.

I propose to never render the outline using high level Cairo API and use the same render method than the Advanced Outline. This will fix the bug and won't confuse users with different renders in different qualities.
#7
Comment posted by
Carlos López
May 21, 16:42
Next development snapshots will include the proposed fix of this bug. Please confirm that it has disappeared.
#8
Comment posted by
djay
icon_reply.pngMay 22, 15:45, in reply to comment #7
With https://github.com/synfig/synfig/blob/master/synfig-core/examples/backdrop.sifz and fresh build 
  * render a preview of one (1) frame (original project setting) : ok
  * render a preview of 5s animated (zoom, rotate, change shadow shape) : ok


i do not know another project who produce the glitch, so from my point of view, it's corrected.

NOTA / Only tested in debug ... building the project in release stop making synfig-core

Carlos López wrote:
Next development snapshots will include the proposed fix of this bug.
Please confirm that it has disappeared.