ref: 16c691c155a63002fa419abce81d89968891f15d
dir: /src/sfnt/sfdriver.c/
/***************************************************************************/ /* */ /* 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 <ft2build.h> #include FT_INTERNAL_SFNT_H #include FT_INTERNAL_OBJECTS_H #include FT_SOURCE_FILE(sfnt,sfdriver.h) #include FT_SOURCE_FILE(sfnt,ttload.h) #include FT_SOURCE_FILE(sfnt,ttcmap.h) #include FT_SOURCE_FILE(sfnt,sfobjs.h) #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS #include FT_SOURCE_FILE(sfnt,ttsbit.h) #endif #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES #include FT_SOURCE_FILE(sfnt,ttpost.h) #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 */