diff options
Diffstat (limited to 'src/truetype/ttgload.c')
| -rw-r--r-- | src/truetype/ttgload.c | 53 |
1 files changed, 10 insertions, 43 deletions
diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c index 3a69b7b..f35521e 100644 --- a/src/truetype/ttgload.c +++ b/src/truetype/ttgload.c @@ -4,8 +4,7 @@ /* */ /* TrueType Glyph Loader (body). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */ -/* 2010 by */ +/* Copyright 1996-2011 */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -47,7 +46,7 @@ /*************************************************************************/ /* */ - /* Composite font flags. */ + /* Composite glyph flags. */ /* */ #define ARGS_ARE_WORDS 0x0001 #define ARGS_ARE_XY_VALUES 0x0002 @@ -66,22 +65,16 @@ /*************************************************************************/ /* */ - /* Returns the horizontal metrics in font units for a given glyph. If */ - /* `check' is true, take care of monospaced fonts by returning the */ - /* advance width maximum. */ + /* Return the horizontal metrics in font units for a given glyph. */ /* */ FT_LOCAL_DEF( void ) TT_Get_HMetrics( TT_Face face, FT_UInt idx, - FT_Bool check, FT_Short* lsb, FT_UShort* aw ) { ( (SFNT_Service)face->sfnt )->get_metrics( face, 0, idx, lsb, aw ); - if ( check && face->postscript.isFixedPitch ) - *aw = face->horizontal.advance_Width_Max; - FT_TRACE5(( " advance width (font units): %d\n", *aw )); FT_TRACE5(( " left side bearing (font units): %d\n", *lsb )); } @@ -89,7 +82,7 @@ /*************************************************************************/ /* */ - /* Returns the vertical metrics in font units for a given glyph. */ + /* Return the vertical metrics in font units for a given glyph. */ /* Greg Hitchcock from Microsoft told us that if there were no `vmtx' */ /* table, typoAscender/Descender from the `OS/2' table would be used */ /* instead, and if there were no `OS/2' table, use ascender/descender */ @@ -97,18 +90,12 @@ /* apparently does: It uses the ppem value as the advance height, and */ /* sets the top side bearing to be zero. */ /* */ - /* The monospace `check' is probably not meaningful here, but we leave */ - /* it in for a consistent interface. */ - /* */ FT_LOCAL_DEF( void ) TT_Get_VMetrics( TT_Face face, FT_UInt idx, - FT_Bool check, FT_Short* tsb, FT_UShort* ah ) { - FT_UNUSED( check ); - if ( face->vertical_info ) ( (SFNT_Service)face->sfnt )->get_metrics( face, 1, idx, tsb, ah ); @@ -151,13 +138,9 @@ TT_Get_HMetrics( face, glyph_index, - (FT_Bool)!( loader->load_flags & - FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH ), &left_bearing, &advance_width ); TT_Get_VMetrics( face, glyph_index, - (FT_Bool)!( loader->load_flags & - FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH ), &top_bearing, &advance_height ); @@ -1656,23 +1639,7 @@ /* get the device-independent horizontal advance; it is scaled later */ /* by the base layer. */ - { - FT_Pos advance = loader->linear; - - - /* the flag FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH was introduced to */ - /* correctly support DynaLab fonts, which have an incorrect */ - /* `advance_Width_Max' field! It is used, to my knowledge, */ - /* exclusively in the X-TrueType font server. */ - /* */ - if ( face->postscript.isFixedPitch && - ( loader->load_flags & FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH ) == 0 ) - advance = face->horizontal.advance_Width_Max; - - /* we need to return the advance in font units in linearHoriAdvance, */ - /* it will be scaled later by the base layer. */ - glyph->linearHoriAdvance = advance; - } + glyph->linearHoriAdvance = loader->linear; glyph->metrics.horiBearingX = bbox.xMin; glyph->metrics.horiBearingY = bbox.yMax; @@ -1869,6 +1836,7 @@ { TT_Face face; FT_Stream stream; + FT_Bool pedantic = FT_BOOL( load_flags & FT_LOAD_PEDANTIC ); face = (TT_Face)glyph->face; @@ -1887,7 +1855,9 @@ if ( !size->cvt_ready ) { - FT_Error error = tt_size_ready_bytecode( size ); + FT_Error error = tt_size_ready_bytecode( size, pedantic ); + + if ( error ) return error; } @@ -1917,7 +1887,7 @@ for ( i = 0; i < size->cvt_size; i++ ) size->cvt[i] = FT_MulFix( face->cvt[i], size->ttmetrics.scale ); - tt_size_run_prep( size ); + tt_size_run_prep( size, pedantic ); } /* see whether the cvt program has disabled hinting */ @@ -2047,9 +2017,6 @@ glyph->linearHoriAdvance = loader.linear; glyph->linearVertAdvance = loader.top_bearing + loader.bbox.yMax - loader.vadvance; - if ( face->postscript.isFixedPitch && - ( load_flags & FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH ) == 0 ) - glyph->linearHoriAdvance = face->horizontal.advance_Width_Max; } return TT_Err_Ok; |