JDK-6542749 : DejaVu Sans in Latin Extended-A and Extended-B ranges rendered incorrectly
  • Type: Bug
  • Component: client-libs
  • Sub-Component: 2d
  • Affected Version: 6,7
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: linux
  • CPU: x86
  • Submitted: 2007-04-05
  • Updated: 2011-03-08
  • Resolved: 2011-03-08
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JDK 6 JDK 7
6u4Fixed 7 b14Fixed
Related Reports
Duplicate :  
JDK-6548743 - Fedora core 6: CharWiew display window exploded when selected certain ranges of glyphs
Description
JDK: 7 b10, and 6
Platforms: RHEl 5, Fedora core 6

When running Font2DTest, select Dialog (or DejaVu Sans) font, select Range of Latin Extended-A, a lot of glyphs land at edge of grids.
Comments
EVALUATION Problem happens because of the incomplete USE_MY_METRICS support. This flag indicates that metrics of current component should be used as metrics of composite glyph. Unfortunatelly, at the moment we only correctly do this for first component. If flag is used on non-first component we end up using non initialized values to calculate advance. Problem was there for long time. It is unclear why we never faced it before.
05-04-2007
EVALUATION The glyphs I see are rendered OK but there's something off with the advances. The values coming back from the rasteriser look very odd. Text including those glyphs will display with an extremely erratic baseline.
05-04-2007