| /**************************************************************************** |
| * |
| * 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) 1996-2023 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_QNEW_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_QNEW_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 */ |