| /***************************************************************************/ |
| /* */ |
| /* sfdriver.c */ |
| /* */ |
| /* High-level SFNT driver interface (body). */ |
| /* */ |
| /* Copyright 1996-2000 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 <freetype/internal/sfnt.h> |
| #include <freetype/internal/ftobjs.h> |
| |
| |
| #ifdef FT_FLAT_COMPILE |
| |
| #include "sfdriver.h" |
| #include "ttload.h" |
| #include "ttcmap.h" |
| #include "sfobjs.h" |
| |
| #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS |
| #include "ttsbit.h" |
| #endif |
| |
| #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES |
| #include "ttpost.h" |
| #endif |
| |
| #else |
| |
| #include <sfnt/sfdriver.h> |
| #include <sfnt/ttload.h> |
| #include <sfnt/ttcmap.h> |
| #include <sfnt/sfobjs.h> |
| |
| #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS |
| #include <sfnt/ttsbit.h> |
| #endif |
| |
| #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES |
| #include <sfnt/ttpost.h> |
| #endif |
| |
| #endif |
| |
| |
| #include <string.h> /* for strcmp() */ |
| |
| |
| static |
| void* get_sfnt_table( TT_Face face, |
| FT_Sfnt_Tag tag ) |
| { |
| void* table; |
| |
| |
| switch ( tag ) |
| { |
| case ft_sfnt_head: |
| table = &face->header; |
| break; |
| |
| case ft_sfnt_hhea: |
| table = &face->horizontal; |
| break; |
| |
| case ft_sfnt_vhea: |
| table = face->vertical_info ? &face->vertical : 0; |
| break; |
| |
| case ft_sfnt_os2: |
| table = face->os2.version == 0xFFFF ? 0 : &face->os2; |
| break; |
| |
| case ft_sfnt_post: |
| table = &face->postscript; |
| break; |
| |
| case ft_sfnt_maxp: |
| table = &face->max_profile; |
| break; |
| |
| case ft_sfnt_pclt: |
| table = face->pclt.Version ? &face->pclt : 0; |
| break; |
| |
| default: |
| table = 0; |
| } |
| |
| return table; |
| } |
| |
| |
| #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES |
| |
| |
| static |
| FT_Error get_sfnt_glyph_name( TT_Face face, |
| FT_UInt glyph_index, |
| FT_Pointer buffer, |
| FT_UInt buffer_max ) |
| { |
| FT_String* gname; |
| FT_Error error; |
| |
| |
| error = TT_Get_PS_Name( face, glyph_index, &gname ); |
| if ( !error && buffer_max > 0 ) |
| { |
| FT_UInt len = strlen( gname ); |
| |
| |
| if ( len >= buffer_max ) |
| len = buffer_max - 1; |
| |
| MEM_Copy( buffer, gname, len ); |
| ((FT_Byte*)buffer)[len] = 0; |
| } |
| |
| return error; |
| } |
| |
| |
| #endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ |
| |
| |
| FT_CALLBACK_DEF |
| FT_Module_Interface SFNT_Get_Interface( FT_Module module, |
| const char* interface ) |
| { |
| FT_UNUSED( module ); |
| |
| if ( strcmp( interface, "get_sfnt" ) == 0 ) |
| return (FT_Module_Interface)get_sfnt_table; |
| |
| #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES |
| if ( strcmp( interface, "glyph_name" ) == 0 ) |
| return (FT_Module_Interface)get_sfnt_glyph_name; |
| #endif |
| return 0; |
| } |
| |
| |
| static |
| const SFNT_Interface sfnt_interface = |
| { |
| TT_Goto_Table, |
| |
| SFNT_Init_Face, |
| SFNT_Load_Face, |
| SFNT_Done_Face, |
| SFNT_Get_Interface, |
| |
| TT_Load_Any, |
| TT_Load_SFNT_Header, |
| TT_Load_Directory, |
| |
| TT_Load_Header, |
| TT_Load_Metrics_Header, |
| TT_Load_CMap, |
| TT_Load_MaxProfile, |
| TT_Load_OS2, |
| TT_Load_PostScript, |
| |
| TT_Load_Names, |
| TT_Free_Names, |
| |
| TT_Load_Hdmx, |
| TT_Free_Hdmx, |
| |
| TT_Load_Kern, |
| TT_Load_Gasp, |
| TT_Load_PCLT, |
| |
| #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS |
| |
| /* see `ttload.h' */ |
| TT_Load_Bitmap_Header, |
| |
| /* see `ttsbit.h' */ |
| TT_Set_SBit_Strike, |
| TT_Load_SBit_Strikes, |
| TT_Load_SBit_Image, |
| TT_Free_SBit_Strikes, |
| |
| #else /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ |
| |
| 0, |
| 0, |
| 0, |
| 0, |
| 0, |
| |
| #endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ |
| |
| #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES |
| |
| /* see `ttpost.h' */ |
| TT_Get_PS_Name, |
| TT_Free_Post_Names, |
| |
| #else /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ |
| |
| 0, |
| 0, |
| |
| #endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ |
| |
| /* see `ttcmap.h' */ |
| TT_CharMap_Load, |
| TT_CharMap_Free, |
| }; |
| |
| |
| FT_CALLBACK_TABLE_DEF |
| const FT_Module_Class sfnt_module_class = |
| { |
| 0, /* not a font driver or renderer */ |
| sizeof( FT_ModuleRec ), |
| |
| "sfnt", /* driver name */ |
| 0x10000L, /* driver version 1.0 */ |
| 0x20000L, /* driver requires FreeType 2.0 or higher */ |
| |
| (const void*)&sfnt_interface, /* module specific interface */ |
| |
| (FT_Module_Constructor)0, |
| (FT_Module_Destructor) 0, |
| (FT_Module_Requester) SFNT_Get_Interface |
| }; |
| |
| |
| /* END */ |