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| author | Werner Lemberg <wl@gnu.org> | 2010-06-30 10:26:48 +0200 |
|---|---|---|
| committer | Werner Lemberg <wl@gnu.org> | 2010-06-30 10:26:48 +0200 |
| commit | 0ae6cf214ff1eec6499c347726a18b8a9809ab2c (patch) | |
| tree | 6b4d81fb63f9c1364733f56c486627698998453b | |
| parent | ae425e518975835ef81620d566b9dc84bf73cc36 (diff) | |
| download | freetype2-0ae6cf214ff1eec6499c347726a18b8a9809ab2c.tar.gz | |
Minor optimizations by avoiding divisions.
* src/sfnt/ttkern.c (tt_face_load_kern, tt_face_get_kerning):
Replace divisions with multiplication in comparisons.
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | src/sfnt/ttkern.c | 6 |
2 files changed, 10 insertions, 3 deletions
@@ -1,3 +1,10 @@ +2010-06-30 Alexei Podtelezhnikov <apodtele@gmail.com> + + Minor optimizations by avoiding divisions. + + * src/sfnt/ttkern.c (tt_face_load_kern, tt_face_get_kerning): + Replace divisions with multiplication in comparisons. + 2010-06-29 Werner Lemberg <wl@gnu.org> Fix minor tracing issues. diff --git a/src/sfnt/ttkern.c b/src/sfnt/ttkern.c index c1540802b..46888988e 100644 --- a/src/sfnt/ttkern.c +++ b/src/sfnt/ttkern.c @@ -5,7 +5,7 @@ /* Load the basic TrueType kerning table. This doesn't handle */ /* kerning data within the GPOS table at the moment. */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 by */ +/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -115,7 +115,7 @@ num_pairs = FT_NEXT_USHORT( p ); p += 6; - if ( ( p_next - p ) / 6 < (int)num_pairs ) /* handle broken count */ + if ( ( p_next - p ) < 6 * (int)num_pairs ) /* handle broken count */ num_pairs = (FT_UInt)( ( p_next - p ) / 6 ); avail |= mask; @@ -220,7 +220,7 @@ num_pairs = FT_NEXT_USHORT( p ); p += 6; - if ( ( next - p ) / 6 < (int)num_pairs ) /* handle broken count */ + if ( ( next - p ) < 6 * (int)num_pairs ) /* handle broken count */ num_pairs = (FT_UInt)( ( next - p ) / 6 ); switch ( coverage >> 8 ) |