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54876
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/****************************************************************************
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*
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* ftsnames.c
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*
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* Simple interface to access SFNT name tables (which are used
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* to hold font names, copyright info, notices, etc.) (body).
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*
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* This is _not_ used to retrieve glyph names!
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*
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* Copyright (C) 1996-2019 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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49234
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#include <ft2build.h>
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#include FT_INTERNAL_DEBUG_H
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#include FT_SFNT_NAMES_H
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#include FT_INTERNAL_TRUETYPE_TYPES_H
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#include FT_INTERNAL_STREAM_H
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#ifdef TT_CONFIG_OPTION_SFNT_NAMES
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/* documentation is in ftsnames.h */
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FT_EXPORT_DEF( FT_UInt )
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FT_Get_Sfnt_Name_Count( FT_Face face )
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{
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return ( face && FT_IS_SFNT( face ) ) ? ((TT_Face)face)->num_names : 0;
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}
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/* documentation is in ftsnames.h */
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FT_EXPORT_DEF( FT_Error )
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FT_Get_Sfnt_Name( FT_Face face,
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FT_UInt idx,
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FT_SfntName *aname )
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{
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FT_Error error = FT_ERR( Invalid_Argument );
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if ( aname && face && FT_IS_SFNT( face ) )
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{
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TT_Face ttface = (TT_Face)face;
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if ( idx < (FT_UInt)ttface->num_names )
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{
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TT_Name entry = ttface->name_table.names + idx;
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/* load name on demand */
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if ( entry->stringLength > 0 && !entry->string )
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{
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FT_Memory memory = face->memory;
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FT_Stream stream = face->stream;
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if ( FT_NEW_ARRAY ( entry->string, entry->stringLength ) ||
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FT_STREAM_SEEK( entry->stringOffset ) ||
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FT_STREAM_READ( entry->string, entry->stringLength ) )
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{
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FT_FREE( entry->string );
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entry->stringLength = 0;
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}
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}
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aname->platform_id = entry->platformID;
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aname->encoding_id = entry->encodingID;
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aname->language_id = entry->languageID;
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aname->name_id = entry->nameID;
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aname->string = (FT_Byte*)entry->string;
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aname->string_len = entry->stringLength;
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error = FT_Err_Ok;
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}
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}
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return error;
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}
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/* documentation is in ftsnames.h */
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FT_EXPORT_DEF( FT_Error )
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FT_Get_Sfnt_LangTag( FT_Face face,
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FT_UInt langID,
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FT_SfntLangTag *alangTag )
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{
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FT_Error error = FT_ERR( Invalid_Argument );
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if ( alangTag && face && FT_IS_SFNT( face ) )
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{
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TT_Face ttface = (TT_Face)face;
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if ( ttface->name_table.format != 1 )
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return FT_THROW( Invalid_Table );
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if ( langID > 0x8000U &&
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langID - 0x8000U < ttface->name_table.numLangTagRecords )
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{
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TT_LangTag entry = ttface->name_table.langTags +
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( langID - 0x8000U );
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/* load name on demand */
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if ( entry->stringLength > 0 && !entry->string )
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{
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FT_Memory memory = face->memory;
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FT_Stream stream = face->stream;
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if ( FT_NEW_ARRAY ( entry->string, entry->stringLength ) ||
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FT_STREAM_SEEK( entry->stringOffset ) ||
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FT_STREAM_READ( entry->string, entry->stringLength ) )
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{
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FT_FREE( entry->string );
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entry->stringLength = 0;
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}
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}
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alangTag->string = (FT_Byte*)entry->string;
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alangTag->string_len = entry->stringLength;
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error = FT_Err_Ok;
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}
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}
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return error;
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}
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#else /* !TT_CONFIG_OPTION_SFNT_NAMES */
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FT_EXPORT_DEF( FT_UInt )
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FT_Get_Sfnt_Name_Count( FT_Face face )
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{
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FT_UNUSED( face );
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return 0;
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}
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FT_EXPORT_DEF( FT_Error )
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FT_Get_Sfnt_Name( FT_Face face,
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FT_UInt idx,
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FT_SfntName *aname )
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{
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FT_UNUSED( face );
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FT_UNUSED( idx );
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FT_UNUSED( aname );
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return FT_THROW( Unimplemented_Feature );
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}
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FT_EXPORT_DEF( FT_Error )
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FT_Get_Sfnt_LangTag( FT_Face face,
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FT_UInt langID,
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FT_SfntLangTag *alangTag )
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{
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FT_UNUSED( face );
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FT_UNUSED( langID );
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FT_UNUSED( alangTag );
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return FT_THROW( Unimplemented_Feature );
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}
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#endif /* !TT_CONFIG_OPTION_SFNT_NAMES */
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49234
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/* END */
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