The FreeType Project - Bugs: bug #29335, scan conversion/rendering problem...
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bug #29335: scan conversion/rendering problem with large glyphs
Submitter: | Kenneth Sharp <kens> | ||
Submitted: | Thu 25 Mar 2010 01:24:03 PM UTC | ||
Severity: | 3 - Normal | Item Group: | None |
Status: | Fixed | Privacy: | Public |
Assigned to: | wl | Open/Closed: | Closed |
Planned Release: | 2.3.13 |
Mon 05 Apr 2010 09:21:27 AM UTC, comment #4: |
Werner LEMBERG <wl> |
Mon 05 Apr 2010 07:42:28 AM UTC, comment #3: We haven't done a performance comparison since making the change locally, so I can't really say yet if there is an impact. However the calculation is only performed once per line.
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Kenneth Sharp <kens> |
Mon 05 Apr 2010 05:57:18 AM UTC, comment #2: Thanks for the analysis and the fix. Do you see any performance regression?
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Werner LEMBERG <wl> |
Thu 01 Apr 2010 01:33:44 PM UTC, comment #1: The problem occurs in Line_Up in ftraster.c around line 1125 and 1131 where the x increments are calculated based on the delta values of x and y.
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Kenneth Sharp <kens> |
Thu 25 Mar 2010 01:24:03 PM UTC, original submission:
The attached main.c needs to be compiled with ftraster.c in STANDALONE mode. The outline is derived from a type 1 font at 122.73 point size, and comprises a forward slash rotated 90 degrees clockwise.
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Kenneth Sharp <kens> |
Depends on the following items: None found
Items that depend on this one: None found
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Follow 7 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2010-04-05 | wl | Status | None | Fixed | |
Open/Closed | Open | Closed | |||
Planned Release | None | 2.3.13 | |||
2010-04-05 | wl | Assigned to | None | wl | |
2010-04-01 | kens | Attached File | - | Added ftraster.c.diff, #20085 | |
2010-03-25 | kens | Carbon-Copy | - | Added -email is unavailable- | |
2010-03-25 | kens | Attached File | - | Added main.c, #20027 |
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Corresponding source code
Your arguments are convincing. Pushed to the git repository, thanks.