forked from KolibriOS/kolibrios
218 lines
7.6 KiB
C
Executable File
218 lines
7.6 KiB
C
Executable File
/*******************************************************************
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*
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* ttload.h 1.1
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*
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* TrueType Tables Loader.
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*
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* Copyright 1996-1999 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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* Changes between 1.1 and 1.0 :
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*
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* - add function Load_TrueType_Any used by TT_Get_Font_Data
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*
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******************************************************************/
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#ifndef TTLOAD_H
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#define TTLOAD_H
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#include "ttconfig.h"
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#include "tttypes.h"
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#include "ttobjs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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EXPORT_DEF
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Long TT_LookUp_Table( PFace face, ULong tag );
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LOCAL_DEF TT_Error Load_TrueType_Directory ( PFace face,
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ULong faceIndex );
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LOCAL_DEF TT_Error Load_TrueType_MaxProfile ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_Gasp ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_Header ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_Locations ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_Names ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_CVT ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_CMap ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_Programs ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_OS2 ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_PostScript ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_Hdmx ( PFace face );
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LOCAL_DEF TT_Error Load_TrueType_Metrics_Header( PFace face,
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Bool vertical );
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LOCAL_DEF TT_Error Load_TrueType_Any( PFace face,
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ULong tag,
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Long offset,
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void* buffer,
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Long* length );
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LOCAL_DEF TT_Error Free_TrueType_Names( PFace face );
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LOCAL_DEF TT_Error Free_TrueType_Hdmx ( PFace face );
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/* The following macros are defined to simplify the writing of */
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/* the various table and glyph loaders. */
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/* For examples see the code in ttload.c, ttgload.c etc. */
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#define USE_Stream( original, duplicate ) \
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( (error = TT_Use_Stream( original, &duplicate )) != TT_Err_Ok )
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#define DONE_Stream( _stream ) \
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TT_Done_Stream( &_stream )
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/* Define a file frame -- use it only when needed */
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#define DEFINE_A_FRAME TFileFrame frame = TT_Null_FileFrame
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/* Define a stream -- use it only when needed */
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#define DEFINE_A_STREAM TT_Stream stream
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#ifdef TT_CONFIG_OPTION_THREAD_SAFE /* re-entrant implementation */
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/* The following macros define the necessary local */
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/* variables used to access streams and frames. */
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/* Define stream locals with frame */
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#define DEFINE_STREAM_LOCALS \
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TT_Error error; \
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DEFINE_A_STREAM; \
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DEFINE_A_FRAME
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/* Define stream locals without frame */
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#define DEFINE_STREAM_LOCALS_WO_FRAME \
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TT_Error error; \
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DEFINE_A_STREAM
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/* Define locals with a predefined stream in reentrant mode -- see ttload.c */
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#define DEFINE_LOAD_LOCALS( STREAM ) \
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TT_Error error; \
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DEFINE_A_STREAM = (STREAM); \
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DEFINE_A_FRAME
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/* Define locals without frame with a predefined stream - see ttload.c */
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#define DEFINE_LOAD_LOCALS_WO_FRAME( STREAM ) \
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TT_Error error; \
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DEFINE_A_STREAM = (STREAM)
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/* Define all locals necessary to access a font file */
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#define DEFINE_ALL_LOCALS \
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TT_Error error; \
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DEFINE_A_STREAM; \
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DEFINE_A_FRAME
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#define ACCESS_Frame( _size_ ) \
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( (error = TT_Access_Frame( stream, \
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&frame, \
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(Long)(_size_) )) != TT_Err_Ok )
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#define CHECK_ACCESS_Frame( _size_ ) \
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( (error = TT_Check_And_Access_Frame( stream, \
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&frame, \
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(Long)(_size_) )) != TT_Err_Ok )
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#define FORGET_Frame() \
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( (void)TT_Forget_Frame( &frame ) )
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#define GET_Byte() TT_Get_Byte ( &frame )
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#define GET_Char() TT_Get_Char ( &frame )
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#define GET_UShort() TT_Get_UShort( &frame )
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#define GET_Short() TT_Get_Short ( &frame )
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#define GET_Long() TT_Get_Long ( &frame )
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#define GET_ULong() TT_Get_ULong ( &frame )
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#define GET_Tag4() TT_Get_ULong ( &frame )
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#define FILE_Pos() TT_File_Pos ( stream )
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#define FILE_Seek( _position_ ) \
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( (error = TT_Seek_File( stream, \
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(Long)(_position_) )) != TT_Err_Ok )
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#define FILE_Skip( _distance_ ) \
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( (error = TT_Skip_File( stream, \
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(Long)(_distance_) )) != TT_Err_Ok )
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#define FILE_Read( buffer, count ) \
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( (error = TT_Read_File ( stream, \
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buffer, \
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(Long)(count) )) != TT_Err_Ok )
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#define FILE_Read_At( pos, buffer, count ) \
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( (error = TT_Read_At_File( stream, \
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(Long)(pos), \
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buffer, \
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(Long)(count) )) != TT_Err_Ok )
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#else /* thread-safe implementation */
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/* Define stream locals with frame -- nothing in thread-safe mode */
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#define DEFINE_STREAM_LOCALS \
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TT_Error error
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/* Define stream locals without frame -- nothing in thread-safe mode */
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#define DEFINE_STREAM_LOCALS_WO_FRAME \
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TT_Error error
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/* Define locals with a predefined stream in reentrant mode -- see ttload.c */
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#define DEFINE_LOAD_LOCALS( STREAM ) \
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TT_Error error
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/* Define locals without frame with a predefined stream - see ttload.c */
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#define DEFINE_LOAD_LOCALS_WO_FRAME( STREAM ) \
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TT_Error error
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/* Define all locals necessary to access a font file */
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#define DEFINE_ALL_LOCALS \
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TT_Error error; \
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DEFINE_A_STREAM
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#define ACCESS_Frame( _size_ ) \
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( (error = TT_Access_Frame( (Long)(_size_) )) != TT_Err_Ok )
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#define CHECK_ACCESS_Frame( _size_ ) \
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( (error = TT_Check_And_Access_Frame( (Long)(_size_) )) != TT_Err_Ok )
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#define FORGET_Frame() \
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( (void)TT_Forget_Frame() )
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#define GET_Byte() TT_Get_Byte ()
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#define GET_Char() TT_Get_Char ()
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#define GET_UShort() TT_Get_UShort()
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#define GET_Short() TT_Get_Short ()
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#define GET_Long() TT_Get_Long ()
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#define GET_ULong() TT_Get_ULong ()
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#define GET_Tag4() TT_Get_ULong ()
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#define FILE_Pos() TT_File_Pos()
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#define FILE_Seek( _position_ ) \
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( (error = TT_Seek_File( (Long)(_position_) )) != TT_Err_Ok )
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#define FILE_Skip( _distance_ ) \
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( (error = TT_Skip_File( (Long)(_distance_) )) != TT_Err_Ok )
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#define FILE_Read( buffer, count ) \
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( (error = TT_Read_File ( buffer, \
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(Long)(count) )) != TT_Err_Ok )
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#define FILE_Read_At( pos, buffer, count ) \
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( (error = TT_Read_At_File( (Long)(pos), \
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buffer, \
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(Long)(count) )) != TT_Err_Ok )
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#endif /* TT_CONFIG_OPTION_THREAD_SAFE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* TTLOAD_H */
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/* END */
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