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freetype/include/freetype
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Alexei Podtelezhnikov 7cc8f37b9a [base, smooth] Implement direct LCD filtering. 
Applying an LCD filter to spans rather than the entire image improves
the performance of ClearType-like rendering by about 40% at 32 ppem
and much more at larger sizes.  Small rounding differences are expected.

* src/smooth/ftsmooth.c (ft_smooth_raster_lcd, ft_smooth_lcd_spans,
ft_smooth_raster_lcdv, ft_smooth_lcdv_spans, TOrigin): Implement it.
* include/freetype/internal/ftobjs.h (FT_LibraryRec): lcd_filter_func gone.
* src/base/ftlcdfil.c (ft_lcd_filter_fir): Removed.
(ft_lcd_padding): Use padding sufficient for any 5-tap filter.
(FT_Library_SetLcdFilterWeights, FT_Library_SetLcdFilter): Updated.
* docs/CHANGES: Updated.
2026-01-26 12:43:28 -05:00
..
config Improve documentation of the 'BDF ' table as used in X11 .otb files. 2025-12-04 07:46:36 +01:00
internal [base, smooth] Implement direct LCD filtering. 2026-01-26 12:43:28 -05:00
freetype.h [base, smooth] Remove LCD filter from face properties. 2026-01-25 15:00:08 -05:00
ftadvanc.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftbbox.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftbdf.h Improve documentation of the 'BDF ' table as used in X11 .otb files. 2025-12-04 07:46:36 +01:00
ftbitmap.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftbzip2.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftcache.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftchapters.h API documentation: Re-organize chapters and sections 2023-04-30 14:42:11 +00:00
ftcid.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftcolor.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftdriver.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
fterrdef.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
fterrors.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftfntfmt.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftgasp.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftglyph.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftgxval.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftgzip.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftimage.h [base, smooth] Fortify direct rendering. 2026-01-17 22:55:16 -05:00
ftincrem.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftlcdfil.h [base] Remove legacy LCD filter. 2026-01-25 14:51:59 -05:00
ftlist.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftlogging.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftlzw.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftmac.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftmm.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftmodapi.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftmoderr.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftotval.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftoutln.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftparams.h [base, smooth] Remove LCD filter from face properties. 2026-01-25 15:00:08 -05:00
ftpfr.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftrender.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftsizes.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftsnames.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftstroke.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftsynth.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftsystem.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
fttrigon.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
fttypes.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
ftwinfnt.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
otsvg.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
t1tables.h Minor. 2025-11-04 20:08:04 -05:00
ttnameid.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
tttables.h Update all copyright notices. 2025-09-06 06:14:03 +02:00
tttags.h Update all copyright notices. 2025-09-06 06:14:03 +02:00