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| author | marha <marha@users.sourceforge.net> | 2009-12-22 14:14:24 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2009-12-22 14:14:24 +0000 |
| commit | 4284aeba874b9168f2228c59639bec8346a56796 (patch) | |
| tree | d51ffb4507e0cae24b0875d8bb6b2c037829a684 /freetype/src/base/ftsynth.c | |
| parent | c438f190eedc71ee8dd14e14fec660e98d3dc0bf (diff) | |
| parent | 0695dfb71ca6fe132d15a4d0890e8a868183adf9 (diff) | |
| download | vcxsrv-4284aeba874b9168f2228c59639bec8346a56796.tar.gz vcxsrv-4284aeba874b9168f2228c59639bec8346a56796.tar.bz2 vcxsrv-4284aeba874b9168f2228c59639bec8346a56796.zip | |
svn merge ^/branches/released
Diffstat (limited to 'freetype/src/base/ftsynth.c')
| -rw-r--r-- | freetype/src/base/ftsynth.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/freetype/src/base/ftsynth.c b/freetype/src/base/ftsynth.c index 4f2396e9f..5077653c2 100644 --- a/freetype/src/base/ftsynth.c +++ b/freetype/src/base/ftsynth.c @@ -24,6 +24,15 @@ /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_synth + + /*************************************************************************/ /*************************************************************************/ /**** ****/ /**** EXPERIMENTAL OBLIQUING SUPPORT ****/ @@ -106,6 +115,18 @@ xstr = 1 << 6; ystr &= ~63; + /* + * XXX: overflow check for 16-bit system, for compatibility + * with FT_GlyphSlot_Embolden() since freetype-2.1.10. + * unfortunately, this function return no informations + * about the cause of error. + */ + if ( ( ystr >> 6 ) > FT_INT_MAX || ( ystr >> 6 ) < FT_INT_MIN ) + { + FT_TRACE1(( "FT_GlyphSlot_Embolden:" )); + FT_TRACE1(( "too strong embolding parameter ystr=%d\n", ystr )); + return; + } error = FT_GlyphSlot_Own_Bitmap( slot ); if ( error ) return; @@ -129,8 +150,9 @@ slot->metrics.vertBearingY += ystr; slot->metrics.vertAdvance += ystr; + /* XXX: 16-bit overflow case must be excluded before here */ if ( slot->format == FT_GLYPH_FORMAT_BITMAP ) - slot->bitmap_top += ystr >> 6; + slot->bitmap_top += (FT_Int)( ystr >> 6 ); } |