diff options
Diffstat (limited to 'src/autofit/afglobal.c')
| -rw-r--r-- | src/autofit/afglobal.c | 63 |
1 files changed, 47 insertions, 16 deletions
diff --git a/src/autofit/afglobal.c b/src/autofit/afglobal.c index bfb9091..ac29361 100644 --- a/src/autofit/afglobal.c +++ b/src/autofit/afglobal.c @@ -4,7 +4,7 @@ /* */ /* Auto-fitter routines to compute global hinting values (body). */ /* */ -/* Copyright 2003, 2004, 2005, 2006, 2007, 2008 by */ +/* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */ /* 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 "aflatin.h" #include "afcjk.h" #include "afindic.h" +#include "afpic.h" #include "aferrors.h" @@ -28,6 +29,11 @@ #include "aflatin2.h" #endif +#ifndef FT_CONFIG_OPTION_PIC + +/* when updating this table, don't forget to update + AF_SCRIPT_CLASSES_COUNT and autofit_module_class_pic_init */ + /* populate this list when you add new scripts */ static AF_ScriptClass const af_script_classes[] = { @@ -41,10 +47,14 @@ NULL /* do not remove */ }; +#endif /* FT_CONFIG_OPTION_PIC */ + /* index of default script in `af_script_classes' */ #define AF_SCRIPT_LIST_DEFAULT 2 - /* indicates an uncovered glyph */ -#define AF_SCRIPT_LIST_NONE 255 + /* a bit mask indicating an uncovered glyph */ +#define AF_SCRIPT_LIST_NONE 0x7F + /* if this flag is set, we have an ASCII digit */ +#define AF_DIGIT 0x80 /* @@ -55,7 +65,7 @@ typedef struct AF_FaceGlobalsRec_ { FT_Face face; - FT_UInt glyph_count; /* same as face->num_glyphs */ + FT_Long glyph_count; /* same as face->num_glyphs */ FT_Byte* glyph_scripts; AF_ScriptMetrics metrics[AF_SCRIPT_MAX]; @@ -72,7 +82,7 @@ FT_Face face = globals->face; FT_CharMap old_charmap = face->charmap; FT_Byte* gscripts = globals->glyph_scripts; - FT_UInt ss; + FT_UInt ss, i; /* the value 255 means `uncovered glyph' */ @@ -92,9 +102,9 @@ } /* scan each script in a Unicode charmap */ - for ( ss = 0; af_script_classes[ss]; ss++ ) + for ( ss = 0; AF_SCRIPT_CLASSES_GET[ss]; ss++ ) { - AF_ScriptClass clazz = af_script_classes[ss]; + AF_ScriptClass clazz = AF_SCRIPT_CLASSES_GET[ss]; AF_Script_UniRange range; @@ -114,7 +124,7 @@ gindex = FT_Get_Char_Index( face, charcode ); if ( gindex != 0 && - gindex < globals->glyph_count && + gindex < (FT_ULong)globals->glyph_count && gscripts[gindex] == AF_SCRIPT_LIST_NONE ) { gscripts[gindex] = (FT_Byte)ss; @@ -127,7 +137,7 @@ if ( gindex == 0 || charcode > range->last ) break; - if ( gindex < globals->glyph_count && + if ( gindex < (FT_ULong)globals->glyph_count && gscripts[gindex] == AF_SCRIPT_LIST_NONE ) { gscripts[gindex] = (FT_Byte)ss; @@ -136,13 +146,23 @@ } } + /* mark ASCII digits */ + for ( i = 0x30; i <= 0x39; i++ ) + { + FT_UInt gindex = FT_Get_Char_Index( face, i ); + + + if ( gindex != 0 && gindex < (FT_ULong)globals->glyph_count ) + gscripts[gindex] |= AF_DIGIT; + } + Exit: /* * By default, all uncovered glyphs are set to the latin script. * XXX: Shouldn't we disable hinting or do something similar? */ { - FT_UInt nn; + FT_Long nn; for ( nn = 0; nn < globals->glyph_count; nn++ ) @@ -201,7 +221,7 @@ { if ( globals->metrics[nn] ) { - AF_ScriptClass clazz = af_script_classes[nn]; + AF_ScriptClass clazz = AF_SCRIPT_CLASSES_GET[nn]; FT_ASSERT( globals->metrics[nn]->clazz == clazz ); @@ -232,12 +252,12 @@ FT_UInt gidx; AF_ScriptClass clazz; FT_UInt script = options & 15; - const FT_UInt script_max = sizeof ( af_script_classes ) / - sizeof ( af_script_classes[0] ); + const FT_Offset script_max = sizeof ( AF_SCRIPT_CLASSES_GET ) / + sizeof ( AF_SCRIPT_CLASSES_GET[0] ); FT_Error error = AF_Err_Ok; - if ( gindex >= globals->glyph_count ) + if ( gindex >= (FT_ULong)globals->glyph_count ) { error = AF_Err_Invalid_Argument; goto Exit; @@ -245,9 +265,9 @@ gidx = script; if ( gidx == 0 || gidx + 1 >= script_max ) - gidx = globals->glyph_scripts[gindex]; + gidx = globals->glyph_scripts[gindex] & AF_SCRIPT_LIST_NONE; - clazz = af_script_classes[gidx]; + clazz = AF_SCRIPT_CLASSES_GET[gidx]; if ( script == 0 ) script = clazz->script; @@ -286,4 +306,15 @@ } + FT_LOCAL_DEF( FT_Bool ) + af_face_globals_is_digit( AF_FaceGlobals globals, + FT_UInt gindex ) + { + if ( gindex < (FT_ULong)globals->glyph_count ) + return (FT_Bool)( globals->glyph_scripts[gindex] & AF_DIGIT ); + + return (FT_Bool)0; + } + + /* END */ |