diff options
Diffstat (limited to 'src/truetype/ttobjs.c')
| -rw-r--r-- | src/truetype/ttobjs.c | 87 |
1 files changed, 66 insertions, 21 deletions
diff --git a/src/truetype/ttobjs.c b/src/truetype/ttobjs.c index 814c713..7897efa 100644 --- a/src/truetype/ttobjs.c +++ b/src/truetype/ttobjs.c @@ -4,7 +4,7 @@ /* */ /* Objects manager (body). */ /* */ -/* Copyright 1996-2011 */ +/* Copyright 1996-2013 */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -21,6 +21,7 @@ #include FT_INTERNAL_STREAM_H #include FT_TRUETYPE_TAGS_H #include FT_INTERNAL_SFNT_H +#include FT_TRUETYPE_DRIVER_H #include "ttgload.h" #include "ttpload.h" @@ -244,7 +245,7 @@ tt_check_trickyness_sfnt_ids( TT_Face face ) { #define TRICK_SFNT_IDS_PER_FACE 3 -#define TRICK_SFNT_IDS_NUM_FACES 13 +#define TRICK_SFNT_IDS_NUM_FACES 17 static const tt_sfnt_id_rec sfnt_id[TRICK_SFNT_IDS_NUM_FACES] [TRICK_SFNT_IDS_PER_FACE] = { @@ -317,6 +318,26 @@ { 0x00000000, 0x00000000 }, /* cvt */ { 0x0d3de9cb, 0x00000141 }, /* fpgm */ { 0xd4127766, 0x00002280 } /* prep */ + }, + { /* NEC FA-Gothic, 1996 */ + { 0x00000000, 0x00000000 }, /* cvt */ + { 0x4a692698, 0x000001f0 }, /* fpgm */ + { 0x340d4346, 0x00001fca } /* prep */ + }, + { /* NEC FA-Minchou, 1996 */ + { 0x00000000, 0x00000000 }, /* cvt */ + { 0xcd34c604, 0x00000166 }, /* fpgm */ + { 0x6cf31046, 0x000022b0 } /* prep */ + }, + { /* NEC FA-RoundGothicB, 1996 */ + { 0x00000000, 0x00000000 }, /* cvt */ + { 0x5da75315, 0x0000019d }, /* fpgm */ + { 0x40745a5f, 0x000022e0 } /* prep */ + }, + { /* NEC FA-RoundGothicM, 1996 */ + { 0x00000000, 0x00000000 }, /* cvt */ + { 0xf055fc48, 0x000001c2 }, /* fpgm */ + { 0x3900ded3, 0x00001e18 } /* prep */ } }; @@ -501,7 +522,7 @@ if ( !sfnt ) { FT_ERROR(( "tt_face_init: cannot access `sfnt' module\n" )); - error = TT_Err_Missing_Module; + error = FT_THROW( Missing_Module ); goto Exit; } @@ -531,7 +552,7 @@ /* If we are performing a simple font format check, exit immediately. */ if ( face_index < 0 ) - return TT_Err_Ok; + return FT_Err_Ok; /* Load font directory */ error = sfnt->load_face( stream, face, face_index, num_params, params ); @@ -631,7 +652,7 @@ return error; Bad_Format: - error = TT_Err_Unknown_File_Format; + error = FT_THROW( Unknown_File_Format ); goto Exit; } @@ -732,7 +753,7 @@ exec = ( (TT_Driver)FT_FACE_DRIVER( face ) )->context; if ( !exec ) - return TT_Err_Could_Not_Find_Context; + return FT_THROW( Could_Not_Find_Context ); TT_Load_Context( exec, face, size ); @@ -744,7 +765,7 @@ exec->threshold = 0; exec->instruction_trap = FALSE; - exec->F_dot_P = 0x10000L; + exec->F_dot_P = 0x4000L; exec->pedantic_hinting = pedantic; @@ -785,7 +806,7 @@ } } else - error = TT_Err_Ok; + error = FT_Err_Ok; if ( !error ) TT_Save_Context( exec, size ); @@ -826,7 +847,7 @@ exec = ( (TT_Driver)FT_FACE_DRIVER( face ) )->context; if ( !exec ) - return TT_Err_Could_Not_Find_Context; + return FT_THROW( Could_Not_Find_Context ); TT_Load_Context( exec, face, size ); @@ -856,7 +877,27 @@ } } else - error = TT_Err_Ok; + error = FT_Err_Ok; + + /* UNDOCUMENTED! The MS rasterizer doesn't allow the following */ + /* graphics state variables to be modified by the CVT program. */ + + exec->GS.dualVector.x = 0x4000; + exec->GS.dualVector.y = 0; + exec->GS.projVector.x = 0x4000; + exec->GS.projVector.y = 0x0; + exec->GS.freeVector.x = 0x4000; + exec->GS.freeVector.y = 0x0; + + exec->GS.rp0 = 0; + exec->GS.rp1 = 0; + exec->GS.rp2 = 0; + + exec->GS.gep0 = 1; + exec->GS.gep1 = 1; + exec->GS.gep2 = 1; + + exec->GS.loop = 1; /* save as default graphics state */ size->GS = exec->GS; @@ -1003,7 +1044,7 @@ tt_size_ready_bytecode( TT_Size size, FT_Bool pedantic ) { - FT_Error error = TT_Err_Ok; + FT_Error error = FT_Err_Ok; if ( !size->bytecode_ready ) @@ -1070,7 +1111,7 @@ tt_size_init( FT_Size ttsize ) /* TT_Size */ { TT_Size size = (TT_Size)ttsize; - FT_Error error = TT_Err_Ok; + FT_Error error = FT_Err_Ok; #ifdef TT_USE_BYTECODE_INTERPRETER size->bytecode_ready = 0; @@ -1126,7 +1167,7 @@ tt_size_reset( TT_Size size ) { TT_Face face; - FT_Error error = TT_Err_Ok; + FT_Error error = FT_Err_Ok; FT_Size_Metrics* metrics; @@ -1140,7 +1181,7 @@ *metrics = size->root.metrics; if ( metrics->x_ppem < 1 || metrics->y_ppem < 1 ) - return TT_Err_Invalid_PPem; + return FT_THROW( Invalid_PPem ); /* This bit flag, if set, indicates that the ppems must be */ /* rounded to integers. Nearly all TrueType fonts have this bit */ @@ -1170,16 +1211,14 @@ size->ttmetrics.scale = metrics->x_scale; size->ttmetrics.ppem = metrics->x_ppem; size->ttmetrics.x_ratio = 0x10000L; - size->ttmetrics.y_ratio = FT_MulDiv( metrics->y_ppem, - 0x10000L, + size->ttmetrics.y_ratio = FT_DivFix( metrics->y_ppem, metrics->x_ppem ); } else { size->ttmetrics.scale = metrics->y_scale; size->ttmetrics.ppem = metrics->y_ppem; - size->ttmetrics.x_ratio = FT_MulDiv( metrics->x_ppem, - 0x10000L, + size->ttmetrics.x_ratio = FT_DivFix( metrics->x_ppem, metrics->y_ppem ); size->ttmetrics.y_ratio = 0x10000L; } @@ -1219,15 +1258,21 @@ if ( !TT_New_Context( driver ) ) - return TT_Err_Could_Not_Find_Context; + return FT_THROW( Could_Not_Find_Context ); +#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING + driver->interpreter_version = TT_INTERPRETER_VERSION_38; #else + driver->interpreter_version = TT_INTERPRETER_VERSION_35; +#endif + +#else /* !TT_USE_BYTECODE_INTERPRETER */ FT_UNUSED( ttdriver ); -#endif +#endif /* !TT_USE_BYTECODE_INTERPRETER */ - return TT_Err_Ok; + return FT_Err_Ok; } |