ref: d45d4b97e6a03cfe21a2952138cf6e970fc358e5
dir: /src/base/ftsnames.c/
/***************************************************************************/ /* */ /* ftsnames.c */ /* */ /* Simple interface to access SFNT name tables (which are used */ /* to hold font names, copyright info, notices, etc.) (body). */ /* */ /* This is _not_ used to retrieve glyph names! */ /* */ /* Copyright 1996-2018 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_SFNT_NAMES_H #include FT_INTERNAL_TRUETYPE_TYPES_H #include FT_INTERNAL_STREAM_H #ifdef TT_CONFIG_OPTION_SFNT_NAMES /* documentation is in ftsnames.h */ FT_EXPORT_DEF( FT_UInt ) FT_Get_Sfnt_Name_Count( FT_Face face ) { return ( face && FT_IS_SFNT( face ) ) ? ((TT_Face)face)->num_names : 0; } /* documentation is in ftsnames.h */ FT_EXPORT_DEF( FT_Error ) FT_Get_Sfnt_Name( FT_Face face, FT_UInt idx, FT_SfntName *aname ) { FT_Error error = FT_ERR( Invalid_Argument ); if ( aname && face && FT_IS_SFNT( face ) ) { TT_Face ttface = (TT_Face)face; if ( idx < (FT_UInt)ttface->num_names ) { TT_Name entry = ttface->name_table.names + idx; /* load name on demand */ if ( entry->stringLength > 0 && !entry->string ) { FT_Memory memory = face->memory; FT_Stream stream = face->stream; if ( FT_NEW_ARRAY ( entry->string, entry->stringLength ) || FT_STREAM_SEEK( entry->stringOffset ) || FT_STREAM_READ( entry->string, entry->stringLength ) ) { FT_FREE( entry->string ); entry->stringLength = 0; } } aname->platform_id = entry->platformID; aname->encoding_id = entry->encodingID; aname->language_id = entry->languageID; aname->name_id = entry->nameID; aname->string = (FT_Byte*)entry->string; aname->string_len = entry->stringLength; error = FT_Err_Ok; } } return error; } /* documentation is in ftsnames.h */ FT_EXPORT_DEF( FT_Error ) FT_Get_Sfnt_LangTag( FT_Face face, FT_UInt langID, FT_SfntLangTag *alangTag ) { FT_Error error = FT_ERR( Invalid_Argument ); if ( alangTag && face && FT_IS_SFNT( face ) ) { TT_Face ttface = (TT_Face)face; if ( ttface->name_table.format != 1 ) return FT_THROW( Invalid_Table ); if ( langID > 0x8000U && langID - 0x8000U < ttface->name_table.numLangTagRecords ) { TT_LangTag entry = ttface->name_table.langTags + ( langID - 0x8000U ); /* load name on demand */ if ( entry->stringLength > 0 && !entry->string ) { FT_Memory memory = face->memory; FT_Stream stream = face->stream; if ( FT_NEW_ARRAY ( entry->string, entry->stringLength ) || FT_STREAM_SEEK( entry->stringOffset ) || FT_STREAM_READ( entry->string, entry->stringLength ) ) { FT_FREE( entry->string ); entry->stringLength = 0; } } alangTag->string = (FT_Byte*)entry->string; alangTag->string_len = entry->stringLength; error = FT_Err_Ok; } } return error; } #else /* !TT_CONFIG_OPTION_SFNT_NAMES */ FT_EXPORT_DEF( FT_UInt ) FT_Get_Sfnt_Name_Count( FT_Face face ) { FT_UNUSED( face ); return 0; } FT_EXPORT_DEF( FT_Error ) FT_Get_Sfnt_Name( FT_Face face, FT_UInt idx, FT_SfntName *aname ) { FT_UNUSED( face ); FT_UNUSED( idx ); FT_UNUSED( aname ); return FT_THROW( Unimplemented_Feature ); } FT_EXPORT_DEF( FT_Error ) FT_Get_Sfnt_LangTag( FT_Face face, FT_UInt langID, FT_SfntLangTag *alangTag ) { FT_UNUSED( face ); FT_UNUSED( langID ); FT_UNUSED( alangTag ); return FT_THROW( Unimplemented_Feature ); } #endif /* !TT_CONFIG_OPTION_SFNT_NAMES */ /* END */