ref: 8a459e5172dbb54b42d7b8247c98627d5cefb98d
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 (C) 1996-2021 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/ftdebug.h> #include <freetype/ftsnames.h> #include <freetype/internal/tttypes.h> #include <freetype/internal/ftstream.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 */