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/****************************************************************************
*
* 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) 1996-2020 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 <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 */