| /***************************************************************************/ |
| /* */ |
| /* cffobjs.c */ |
| /* */ |
| /* OpenType objects manager (body). */ |
| /* */ |
| /* Copyright 1996-2001, 2002, 2003, 2004 by */ |
| /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
| /* */ |
| /* This file is part of the FreeType project, and may only be used, */ |
| /* modified, and distributed under the terms of the FreeType project */ |
| /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| /* this file you indicate that you have read the license and */ |
| /* understand and accept it fully. */ |
| /* */ |
| /***************************************************************************/ |
| |
| |
| #include <ft2build.h> |
| #include FT_INTERNAL_DEBUG_H |
| #include FT_INTERNAL_CALC_H |
| #include FT_INTERNAL_STREAM_H |
| #include FT_ERRORS_H |
| #include FT_TRUETYPE_IDS_H |
| #include FT_TRUETYPE_TAGS_H |
| #include FT_INTERNAL_SFNT_H |
| #include FT_SERVICE_POSTSCRIPT_CMAPS_H |
| #include FT_INTERNAL_POSTSCRIPT_HINTS_H |
| #include "cffobjs.h" |
| #include "cffload.h" |
| #include "cffcmap.h" |
| #include "cfferrs.h" |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* 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_cffobjs |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* SIZE FUNCTIONS */ |
| /* */ |
| /* Note that we store the global hints in the size's `internal' root */ |
| /* field. */ |
| /* */ |
| /*************************************************************************/ |
| |
| |
| #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS |
| |
| static FT_Error |
| sbit_size_reset( CFF_Size size ) |
| { |
| CFF_Face face; |
| FT_Error error = CFF_Err_Ok; |
| |
| FT_ULong strike_index; |
| FT_Size_Metrics* metrics; |
| FT_Size_Metrics* sbit_metrics; |
| SFNT_Service sfnt; |
| |
| |
| metrics = &size->root.metrics; |
| |
| face = (CFF_Face)size->root.face; |
| sfnt = (SFNT_Service)face->sfnt; |
| |
| sbit_metrics = &size->strike_metrics; |
| |
| error = sfnt->set_sbit_strike( face, |
| metrics->x_ppem, metrics->y_ppem, |
| &strike_index ); |
| |
| if ( !error ) |
| { |
| TT_SBit_Strike strike = face->sbit_strikes + strike_index; |
| |
| |
| sbit_metrics->x_ppem = metrics->x_ppem; |
| sbit_metrics->y_ppem = metrics->y_ppem; |
| |
| sbit_metrics->ascender = strike->hori.ascender << 6; |
| sbit_metrics->descender = strike->hori.descender << 6; |
| |
| /* XXX: Is this correct? */ |
| sbit_metrics->height = sbit_metrics->ascender - |
| sbit_metrics->descender; |
| |
| /* XXX: Is this correct? */ |
| sbit_metrics->max_advance = ( strike->hori.min_origin_SB + |
| strike->hori.max_width + |
| strike->hori.min_advance_SB ) << 6; |
| |
| size->strike_index = (FT_UInt)strike_index; |
| } |
| else |
| { |
| size->strike_index = 0xFFFFU; |
| |
| sbit_metrics->x_ppem = 0; |
| sbit_metrics->y_ppem = 0; |
| sbit_metrics->ascender = 0; |
| sbit_metrics->descender = 0; |
| sbit_metrics->height = 0; |
| sbit_metrics->max_advance = 0; |
| } |
| |
| return error; |
| } |
| |
| #endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ |
| |
| |
| static PSH_Globals_Funcs |
| cff_size_get_globals_funcs( CFF_Size size ) |
| { |
| CFF_Face face = (CFF_Face)size->root.face; |
| CFF_Font font = (CFF_FontRec *)face->extra.data; |
| PSHinter_Service pshinter = (PSHinter_Service)font->pshinter; |
| FT_Module module; |
| |
| |
| module = FT_Get_Module( size->root.face->driver->root.library, |
| "pshinter" ); |
| return ( module && pshinter && pshinter->get_globals_funcs ) |
| ? pshinter->get_globals_funcs( module ) |
| : 0; |
| } |
| |
| |
| FT_LOCAL_DEF( void ) |
| cff_size_done( FT_Size cffsize ) /* CFF_Size */ |
| { |
| CFF_Size size = (CFF_Size)cffsize; |
| |
| |
| if ( cffsize->internal ) |
| { |
| PSH_Globals_Funcs funcs; |
| |
| |
| funcs = cff_size_get_globals_funcs( size ); |
| if ( funcs ) |
| funcs->destroy( (PSH_Globals)cffsize->internal ); |
| |
| cffsize->internal = 0; |
| } |
| } |
| |
| |
| FT_LOCAL_DEF( FT_Error ) |
| cff_size_init( FT_Size cffsize ) /* CFF_Size */ |
| { |
| CFF_Size size = (CFF_Size)cffsize; |
| FT_Error error = CFF_Err_Ok; |
| PSH_Globals_Funcs funcs = cff_size_get_globals_funcs( size ); |
| |
| |
| if ( funcs ) |
| { |
| PSH_Globals globals; |
| CFF_Face face = (CFF_Face)cffsize->face; |
| CFF_Font font = (CFF_FontRec *)face->extra.data; |
| CFF_SubFont subfont = &font->top_font; |
| |
| CFF_Private cpriv = &subfont->private_dict; |
| PS_PrivateRec priv; |
| |
| |
| /* IMPORTANT: The CFF and Type1 private dictionaries have */ |
| /* slightly different structures; we need to */ |
| /* synthetize a type1 dictionary on the fly here. */ |
| |
| { |
| FT_UInt n, count; |
| |
| |
| FT_MEM_ZERO( &priv, sizeof ( priv ) ); |
| |
| count = priv.num_blue_values = cpriv->num_blue_values; |
| for ( n = 0; n < count; n++ ) |
| priv.blue_values[n] = (FT_Short)cpriv->blue_values[n]; |
| |
| count = priv.num_other_blues = cpriv->num_other_blues; |
| for ( n = 0; n < count; n++ ) |
| priv.other_blues[n] = (FT_Short)cpriv->other_blues[n]; |
| |
| count = priv.num_family_blues = cpriv->num_family_blues; |
| for ( n = 0; n < count; n++ ) |
| priv.family_blues[n] = (FT_Short)cpriv->family_blues[n]; |
| |
| count = priv.num_family_other_blues = cpriv->num_family_other_blues; |
| for ( n = 0; n < count; n++ ) |
| priv.family_other_blues[n] = (FT_Short)cpriv->family_other_blues[n]; |
| |
| priv.blue_scale = cpriv->blue_scale; |
| priv.blue_shift = (FT_Int)cpriv->blue_shift; |
| priv.blue_fuzz = (FT_Int)cpriv->blue_fuzz; |
| |
| priv.standard_width[0] = (FT_UShort)cpriv->standard_width; |
| priv.standard_height[0] = (FT_UShort)cpriv->standard_height; |
| |
| count = priv.num_snap_widths = cpriv->num_snap_widths; |
| for ( n = 0; n < count; n++ ) |
| priv.snap_widths[n] = (FT_Short)cpriv->snap_widths[n]; |
| |
| count = priv.num_snap_heights = cpriv->num_snap_heights; |
| for ( n = 0; n < count; n++ ) |
| priv.snap_heights[n] = (FT_Short)cpriv->snap_heights[n]; |
| |
| priv.force_bold = cpriv->force_bold; |
| priv.language_group = cpriv->language_group; |
| priv.lenIV = cpriv->lenIV; |
| } |
| |
| error = funcs->create( cffsize->face->memory, &priv, &globals ); |
| if ( !error ) |
| cffsize->internal = (FT_Size_Internal)(void*)globals; |
| } |
| |
| return error; |
| } |
| |
| |
| FT_LOCAL_DEF( FT_Error ) |
| cff_size_reset( FT_Size cffsize, /* CFF_Size */ |
| FT_UInt char_width, |
| FT_UInt char_height ) |
| { |
| CFF_Size size = (CFF_Size)cffsize; |
| PSH_Globals_Funcs funcs = cff_size_get_globals_funcs( size ); |
| FT_Error error = CFF_Err_Ok; |
| FT_Face face = cffsize->face; |
| |
| FT_UNUSED( char_width ); |
| FT_UNUSED( char_height ); |
| |
| |
| if ( funcs ) |
| error = funcs->set_scale( (PSH_Globals)cffsize->internal, |
| cffsize->metrics.x_scale, |
| cffsize->metrics.y_scale, |
| 0, 0 ); |
| |
| #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS |
| |
| if ( face->face_flags & FT_FACE_FLAG_FIXED_SIZES ) |
| { |
| error = sbit_size_reset( size ); |
| |
| if ( !error && !( face->face_flags & FT_FACE_FLAG_SCALABLE ) ) |
| cffsize->metrics = size->strike_metrics; |
| } |
| |
| #endif |
| |
| if ( face->face_flags & FT_FACE_FLAG_SCALABLE ) |
| return CFF_Err_Ok; |
| else |
| return error; |
| } |
| |
| |
| FT_LOCAL_DEF( FT_Error ) |
| cff_point_size_reset( FT_Size cffsize, |
| FT_F26Dot6 char_width, |
| FT_F26Dot6 char_height, |
| FT_UInt horz_resolution, |
| FT_UInt vert_resolution ) |
| { |
| FT_UNUSED( char_width ); |
| FT_UNUSED( char_height ); |
| FT_UNUSED( horz_resolution ); |
| FT_UNUSED( vert_resolution ); |
| |
| return cff_size_reset( cffsize, 0, 0 ); |
| } |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* SLOT FUNCTIONS */ |
| /* */ |
| /*************************************************************************/ |
| |
| FT_LOCAL_DEF( void ) |
| cff_slot_done( FT_GlyphSlot slot ) |
| { |
| slot->internal->glyph_hints = 0; |
| } |
| |
| |
| FT_LOCAL_DEF( FT_Error ) |
| cff_slot_init( FT_GlyphSlot slot ) |
| { |
| CFF_Face face = (CFF_Face)slot->face; |
| CFF_Font font = (CFF_FontRec *)face->extra.data; |
| PSHinter_Service pshinter = (PSHinter_Service)font->pshinter; |
| |
| |
| if ( pshinter ) |
| { |
| FT_Module module; |
| |
| |
| module = FT_Get_Module( slot->face->driver->root.library, |
| "pshinter" ); |
| if ( module ) |
| { |
| T2_Hints_Funcs funcs; |
| |
| |
| funcs = pshinter->get_t2_funcs( module ); |
| slot->internal->glyph_hints = (void*)funcs; |
| } |
| } |
| |
| return 0; |
| } |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* FACE FUNCTIONS */ |
| /* */ |
| /*************************************************************************/ |
| |
| static FT_String* |
| cff_strcpy( FT_Memory memory, |
| const FT_String* source ) |
| { |
| FT_Error error; |
| FT_String* result = 0; |
| FT_Int len = (FT_Int)ft_strlen( source ); |
| |
| |
| if ( !FT_ALLOC( result, len + 1 ) ) |
| { |
| FT_MEM_COPY( result, source, len ); |
| result[len] = 0; |
| } |
| |
| FT_UNUSED( error ); |
| |
| return result; |
| } |
| |
| |
| FT_LOCAL_DEF( FT_Error ) |
| cff_face_init( FT_Stream stream, |
| FT_Face cffface, /* CFF_Face */ |
| FT_Int face_index, |
| FT_Int num_params, |
| FT_Parameter* params ) |
| { |
| CFF_Face face = (CFF_Face)cffface; |
| FT_Error error; |
| SFNT_Service sfnt; |
| FT_Service_PsCMaps psnames; |
| PSHinter_Service pshinter; |
| FT_Bool pure_cff = 1; |
| FT_Bool sfnt_format = 0; |
| |
| |
| #if 0 |
| FT_FACE_FIND_GLOBAL_SERVICE( face, sfnt, SFNT ); |
| FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_NAMES ); |
| FT_FACE_FIND_GLOBAL_SERVICE( face, pshinter, POSTSCRIPT_HINTER ); |
| |
| if ( !sfnt ) |
| goto Bad_Format; |
| #else |
| sfnt = (SFNT_Service)FT_Get_Module_Interface( |
| cffface->driver->root.library, "sfnt" ); |
| if ( !sfnt ) |
| goto Bad_Format; |
| |
| FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); |
| |
| pshinter = (PSHinter_Service)FT_Get_Module_Interface( |
| cffface->driver->root.library, "pshinter" ); |
| #endif |
| |
| /* create input stream from resource */ |
| if ( FT_STREAM_SEEK( 0 ) ) |
| goto Exit; |
| |
| /* check whether we have a valid OpenType file */ |
| error = sfnt->init_face( stream, face, face_index, num_params, params ); |
| if ( !error ) |
| { |
| if ( face->format_tag != 0x4F54544FL ) /* `OTTO'; OpenType/CFF font */ |
| { |
| FT_TRACE2(( "[not a valid OpenType/CFF font]\n" )); |
| goto Bad_Format; |
| } |
| |
| /* if we are performing a simple font format check, exit immediately */ |
| if ( face_index < 0 ) |
| return CFF_Err_Ok; |
| |
| /* UNDOCUMENTED! A CFF in an SFNT can have only a single font. */ |
| if ( face_index > 0 ) |
| { |
| FT_ERROR(( "cff_face_init: invalid face index\n" )); |
| error = CFF_Err_Invalid_Argument; |
| goto Exit; |
| } |
| |
| sfnt_format = 1; |
| |
| /* now, the font can be either an OpenType/CFF font, or an SVG CEF */ |
| /* font; in the latter case it doesn't have a `head' table */ |
| error = face->goto_table( face, TTAG_head, stream, 0 ); |
| if ( !error ) |
| { |
| pure_cff = 0; |
| |
| /* load font directory */ |
| error = sfnt->load_face( stream, face, |
| face_index, num_params, params ); |
| if ( error ) |
| goto Exit; |
| } |
| else |
| { |
| /* load the `cmap' table explicitly */ |
| error = sfnt->load_charmaps( face, stream ); |
| if ( error ) |
| goto Exit; |
| |
| /* XXX: we don't load the GPOS table, as OpenType Layout */ |
| /* support will be added later to a layout library on top of */ |
| /* FreeType 2 */ |
| } |
| |
| /* now load the CFF part of the file */ |
| error = face->goto_table( face, TTAG_CFF, stream, 0 ); |
| if ( error ) |
| goto Exit; |
| } |
| else |
| { |
| /* rewind to start of file; we are going to load a pure-CFF font */ |
| if ( FT_STREAM_SEEK( 0 ) ) |
| goto Exit; |
| error = CFF_Err_Ok; |
| } |
| |
| /* now load and parse the CFF table in the file */ |
| { |
| CFF_Font cff; |
| CFF_FontRecDict dict; |
| FT_Memory memory = cffface->memory; |
| FT_Int32 flags; |
| |
| |
| if ( FT_NEW( cff ) ) |
| goto Exit; |
| |
| face->extra.data = cff; |
| error = cff_font_load( stream, face_index, cff ); |
| if ( error ) |
| goto Exit; |
| |
| cff->pshinter = pshinter; |
| cff->psnames = (void*)psnames; |
| |
| /* Complement the root flags with some interesting information. */ |
| /* Note that this is only necessary for pure CFF and CEF fonts; */ |
| /* SFNT based fonts use the `name' table instead. */ |
| |
| cffface->num_glyphs = cff->num_glyphs; |
| |
| dict = &cff->top_font.font_dict; |
| |
| /* we need the `PSNames' module for CFF and CEF formats */ |
| /* which aren't CID-keyed */ |
| if ( dict->cid_registry == 0xFFFFU && !psnames ) |
| { |
| FT_ERROR(( "cff_face_init:" )); |
| FT_ERROR(( " cannot open CFF & CEF fonts\n" )); |
| FT_ERROR(( " " )); |
| FT_ERROR(( " without the `PSNames' module\n" )); |
| goto Bad_Format; |
| } |
| |
| if ( pure_cff ) |
| { |
| char* style_name = NULL; |
| |
| |
| /* set up num_faces */ |
| cffface->num_faces = cff->num_faces; |
| |
| /* compute number of glyphs */ |
| if ( dict->cid_registry != 0xFFFFU ) |
| cffface->num_glyphs = dict->cid_count; |
| else |
| cffface->num_glyphs = cff->charstrings_index.count; |
| |
| /* set global bbox, as well as EM size */ |
| cffface->bbox.xMin = dict->font_bbox.xMin >> 16; |
| cffface->bbox.yMin = dict->font_bbox.yMin >> 16; |
| cffface->bbox.xMax = ( dict->font_bbox.xMax + 0xFFFFU ) >> 16; |
| cffface->bbox.yMax = ( dict->font_bbox.yMax + 0xFFFFU ) >> 16; |
| |
| cffface->ascender = (FT_Short)( cffface->bbox.yMax ); |
| cffface->descender = (FT_Short)( cffface->bbox.yMin ); |
| cffface->height = (FT_Short)( |
| ( ( cffface->ascender - cffface->descender ) * 12 ) / 10 ); |
| |
| if ( dict->units_per_em ) |
| cffface->units_per_EM = dict->units_per_em; |
| else |
| cffface->units_per_EM = 1000; |
| |
| cffface->underline_position = |
| (FT_Short)( dict->underline_position >> 16 ); |
| cffface->underline_thickness = |
| (FT_Short)( dict->underline_thickness >> 16 ); |
| |
| /* retrieve font family & style name */ |
| cffface->family_name = cff_index_get_name( &cff->name_index, |
| face_index ); |
| |
| if ( cffface->family_name ) |
| { |
| char* full = cff_index_get_sid_string( &cff->string_index, |
| dict->full_name, |
| psnames ); |
| char* fullp = full; |
| char* family = cffface->family_name; |
| char* family_name = 0; |
| |
| |
| if ( dict->family_name ) |
| { |
| family_name = cff_index_get_sid_string( &cff->string_index, |
| dict->family_name, |
| psnames); |
| if ( family_name ) |
| family = family_name; |
| } |
| |
| /* We try to extract the style name from the full name. */ |
| /* We need to ignore spaces and dashes during the search. */ |
| if ( full && family ) |
| { |
| while ( *fullp ) |
| { |
| /* skip common characters at the start of both strings */ |
| if ( *fullp == *family ) |
| { |
| family++; |
| fullp++; |
| continue; |
| } |
| |
| /* ignore spaces and dashes in full name during comparison */ |
| if ( *fullp == ' ' || *fullp == '-' ) |
| { |
| fullp++; |
| continue; |
| } |
| |
| /* ignore spaces and dashes in family name during comparison */ |
| if ( *family == ' ' || *family == '-' ) |
| { |
| family++; |
| continue; |
| } |
| |
| if ( !*family && *fullp ) |
| { |
| /* The full name begins with the same characters as the */ |
| /* family name, with spaces and dashes removed. In this */ |
| /* case, the remaining string in `fullp' will be used as */ |
| /* the style name. */ |
| style_name = cff_strcpy( memory, fullp ); |
| } |
| break; |
| } |
| |
| if ( family_name ) |
| FT_FREE( family_name ); |
| FT_FREE( full ); |
| } |
| } |
| else |
| { |
| char *cid_font_name = |
| cff_index_get_sid_string( &cff->string_index, |
| dict->cid_font_name, |
| psnames ); |
| |
| |
| /* do we have a `/FontName' for a CID-keyed font? */ |
| if ( cid_font_name ) |
| cffface->family_name = cid_font_name; |
| } |
| |
| if ( style_name ) |
| cffface->style_name = style_name; |
| else |
| /* assume "Regular" style if we don't know better */ |
| cffface->style_name = cff_strcpy( memory, (char *)"Regular" ); |
| |
| /*******************************************************************/ |
| /* */ |
| /* Compute face flags. */ |
| /* */ |
| flags = FT_FACE_FLAG_SCALABLE | /* scalable outlines */ |
| FT_FACE_FLAG_HORIZONTAL; /* horizontal data */ |
| |
| if ( sfnt_format ) |
| flags |= FT_FACE_FLAG_SFNT; |
| |
| /* fixed width font? */ |
| if ( dict->is_fixed_pitch ) |
| flags |= FT_FACE_FLAG_FIXED_WIDTH; |
| |
| /* XXX: WE DO NOT SUPPORT KERNING METRICS IN THE GPOS TABLE FOR NOW */ |
| #if 0 |
| /* kerning available? */ |
| if ( face->kern_pairs ) |
| flags |= FT_FACE_FLAG_KERNING; |
| #endif |
| |
| cffface->face_flags = flags; |
| |
| /*******************************************************************/ |
| /* */ |
| /* Compute style flags. */ |
| /* */ |
| flags = 0; |
| |
| if ( dict->italic_angle ) |
| flags |= FT_STYLE_FLAG_ITALIC; |
| |
| { |
| char *weight = cff_index_get_sid_string( &cff->string_index, |
| dict->weight, |
| psnames ); |
| |
| |
| if ( weight ) |
| if ( !ft_strcmp( weight, "Bold" ) || |
| !ft_strcmp( weight, "Black" ) ) |
| flags |= FT_STYLE_FLAG_BOLD; |
| FT_FREE( weight ); |
| } |
| |
| /* double check */ |
| if ( !(flags & FT_STYLE_FLAG_BOLD) && cffface->style_name ) |
| if ( !strncmp( cffface->style_name, "Bold", 4 ) || |
| !strncmp( cffface->style_name, "Black", 5 ) ) |
| flags |= FT_STYLE_FLAG_BOLD; |
| |
| cffface->style_flags = flags; |
| } |
| |
| #ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES |
| /* CID-keyed CFF fonts don't have glyph names -- the SFNT loader */ |
| /* has unset this flag because of the 3.0 `post' table */ |
| if ( dict->cid_registry == 0xFFFFU ) |
| cffface->face_flags |= FT_FACE_FLAG_GLYPH_NAMES; |
| #endif |
| |
| /*******************************************************************/ |
| /* */ |
| /* Compute char maps. */ |
| /* */ |
| |
| /* Try to synthetize a Unicode charmap if there is none available */ |
| /* already. If an OpenType font contains a Unicode "cmap", we */ |
| /* will use it, whatever be in the CFF part of the file. */ |
| { |
| FT_CharMapRec cmaprec; |
| FT_CharMap cmap; |
| FT_UInt nn; |
| CFF_Encoding encoding = &cff->encoding; |
| |
| |
| for ( nn = 0; nn < (FT_UInt)cffface->num_charmaps; nn++ ) |
| { |
| cmap = cffface->charmaps[nn]; |
| |
| /* Windows Unicode (3,1)? */ |
| if ( cmap->platform_id == 3 && cmap->encoding_id == 1 ) |
| goto Skip_Unicode; |
| |
| /* Deprecated Unicode platform id? */ |
| if ( cmap->platform_id == 0 ) |
| goto Skip_Unicode; /* Standard Unicode (deprecated) */ |
| } |
| |
| /* since CID-keyed fonts don't contain glyph names, we can't */ |
| /* construct a cmap */ |
| if ( pure_cff && cff->top_font.font_dict.cid_registry != 0xFFFFU ) |
| goto Exit; |
| |
| /* we didn't find a Unicode charmap -- synthetize one */ |
| cmaprec.face = cffface; |
| cmaprec.platform_id = 3; |
| cmaprec.encoding_id = 1; |
| cmaprec.encoding = FT_ENCODING_UNICODE; |
| |
| nn = (FT_UInt)cffface->num_charmaps; |
| |
| FT_CMap_New( &cff_cmap_unicode_class_rec, NULL, &cmaprec, NULL ); |
| |
| /* if no Unicode charmap was previously selected, select this one */ |
| if ( cffface->charmap == NULL && nn != (FT_UInt)cffface->num_charmaps ) |
| cffface->charmap = cffface->charmaps[nn]; |
| |
| Skip_Unicode: |
| if ( encoding->count > 0 ) |
| { |
| FT_CMap_Class clazz; |
| |
| |
| cmaprec.face = cffface; |
| cmaprec.platform_id = 7; /* Adobe platform id */ |
| |
| if ( encoding->offset == 0 ) |
| { |
| cmaprec.encoding_id = TT_ADOBE_ID_STANDARD; |
| cmaprec.encoding = FT_ENCODING_ADOBE_STANDARD; |
| clazz = &cff_cmap_encoding_class_rec; |
| } |
| else if ( encoding->offset == 1 ) |
| { |
| cmaprec.encoding_id = TT_ADOBE_ID_EXPERT; |
| cmaprec.encoding = FT_ENCODING_ADOBE_EXPERT; |
| clazz = &cff_cmap_encoding_class_rec; |
| } |
| else |
| { |
| cmaprec.encoding_id = TT_ADOBE_ID_CUSTOM; |
| cmaprec.encoding = FT_ENCODING_ADOBE_CUSTOM; |
| clazz = &cff_cmap_encoding_class_rec; |
| } |
| |
| FT_CMap_New( clazz, NULL, &cmaprec, NULL ); |
| } |
| } |
| } |
| |
| Exit: |
| return error; |
| |
| Bad_Format: |
| error = CFF_Err_Unknown_File_Format; |
| goto Exit; |
| } |
| |
| |
| FT_LOCAL_DEF( void ) |
| cff_face_done( FT_Face cffface ) /* CFF_Face */ |
| { |
| CFF_Face face = (CFF_Face)cffface; |
| FT_Memory memory = cffface->memory; |
| SFNT_Service sfnt = (SFNT_Service)face->sfnt; |
| |
| |
| if ( sfnt ) |
| sfnt->done_face( face ); |
| |
| { |
| CFF_Font cff = (CFF_Font)face->extra.data; |
| |
| |
| if ( cff ) |
| { |
| cff_font_done( cff ); |
| FT_FREE( face->extra.data ); |
| } |
| } |
| } |
| |
| |
| FT_LOCAL_DEF( FT_Error ) |
| cff_driver_init( FT_Module module ) |
| { |
| FT_UNUSED( module ); |
| |
| return CFF_Err_Ok; |
| } |
| |
| |
| FT_LOCAL_DEF( void ) |
| cff_driver_done( FT_Module module ) |
| { |
| FT_UNUSED( module ); |
| } |
| |
| |
| /* END */ |