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Diffstat (limited to 'Build/source/libs/libttf/ttload.h')
-rw-r--r-- | Build/source/libs/libttf/ttload.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/Build/source/libs/libttf/ttload.h b/Build/source/libs/libttf/ttload.h new file mode 100644 index 00000000000..47acae91a2e --- /dev/null +++ b/Build/source/libs/libttf/ttload.h @@ -0,0 +1,217 @@ +/******************************************************************* + * + * ttload.h 1.1 + * + * TrueType Tables Loader. + * + * Copyright 1996-1999 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. + * + * + * Changes between 1.1 and 1.0 : + * + * - add function Load_TrueType_Any used by TT_Get_Font_Data + * + ******************************************************************/ + +#ifndef TTLOAD_H +#define TTLOAD_H + +#include "ttconfig.h" +#include "tttypes.h" +#include "ttobjs.h" + +#ifdef __cplusplus + extern "C" { +#endif + + EXPORT_DEF + Long TT_LookUp_Table( PFace face, ULong tag ); + + LOCAL_DEF TT_Error Load_TrueType_Directory ( PFace face, + ULong faceIndex ); + + LOCAL_DEF TT_Error Load_TrueType_MaxProfile ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_Gasp ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_Header ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_Locations ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_Names ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_CVT ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_CMap ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_Programs ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_OS2 ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_PostScript ( PFace face ); + LOCAL_DEF TT_Error Load_TrueType_Hdmx ( PFace face ); + + LOCAL_DEF TT_Error Load_TrueType_Metrics_Header( PFace face, + Bool vertical ); + + LOCAL_DEF TT_Error Load_TrueType_Any( PFace face, + ULong tag, + Long offset, + void* buffer, + Long* length ); + + LOCAL_DEF TT_Error Free_TrueType_Names( PFace face ); + LOCAL_DEF TT_Error Free_TrueType_Hdmx ( PFace face ); + + +/* The following macros are defined to simplify the writing of */ +/* the various table and glyph loaders. */ + +/* For examples see the code in ttload.c, ttgload.c etc. */ + +#define USE_Stream( original, duplicate ) \ + ( (error = TT_Use_Stream( original, &duplicate )) != TT_Err_Ok ) + +#define DONE_Stream( _stream ) \ + TT_Done_Stream( &_stream ) + +/* Define a file frame -- use it only when needed */ +#define DEFINE_A_FRAME TFileFrame frame = TT_Null_FileFrame + +/* Define a stream -- use it only when needed */ +#define DEFINE_A_STREAM TT_Stream stream + + +#ifdef TT_CONFIG_OPTION_THREAD_SAFE /* re-entrant implementation */ + +/* The following macros define the necessary local */ +/* variables used to access streams and frames. */ + +/* Define stream locals with frame */ +#define DEFINE_STREAM_LOCALS \ + TT_Error error; \ + DEFINE_A_STREAM; \ + DEFINE_A_FRAME + +/* Define stream locals without frame */ +#define DEFINE_STREAM_LOCALS_WO_FRAME \ + TT_Error error; \ + DEFINE_A_STREAM + +/* Define locals with a predefined stream in reentrant mode -- see ttload.c */ +#define DEFINE_LOAD_LOCALS( STREAM ) \ + TT_Error error; \ + DEFINE_A_STREAM = (STREAM); \ + DEFINE_A_FRAME + +/* Define locals without frame with a predefined stream - see ttload.c */ +#define DEFINE_LOAD_LOCALS_WO_FRAME( STREAM ) \ + TT_Error error; \ + DEFINE_A_STREAM = (STREAM) + +/* Define all locals necessary to access a font file */ +#define DEFINE_ALL_LOCALS \ + TT_Error error; \ + DEFINE_A_STREAM; \ + DEFINE_A_FRAME + + +#define ACCESS_Frame( _size_ ) \ + ( (error = TT_Access_Frame( stream, \ + &frame, \ + (Long)(_size_) )) != TT_Err_Ok ) +#define CHECK_ACCESS_Frame( _size_ ) \ + ( (error = TT_Check_And_Access_Frame( stream, \ + &frame, \ + (Long)(_size_) )) != TT_Err_Ok ) +#define FORGET_Frame() \ + ( (void)TT_Forget_Frame( &frame ) ) + +#define GET_Byte() TT_Get_Byte ( &frame ) +#define GET_Char() TT_Get_Char ( &frame ) +#define GET_UShort() TT_Get_UShort( &frame ) +#define GET_Short() TT_Get_Short ( &frame ) +#define GET_Long() TT_Get_Long ( &frame ) +#define GET_ULong() TT_Get_ULong ( &frame ) +#define GET_Tag4() TT_Get_ULong ( &frame ) + +#define FILE_Pos() TT_File_Pos ( stream ) + +#define FILE_Seek( _position_ ) \ + ( (error = TT_Seek_File( stream, \ + (Long)(_position_) )) != TT_Err_Ok ) +#define FILE_Skip( _distance_ ) \ + ( (error = TT_Skip_File( stream, \ + (Long)(_distance_) )) != TT_Err_Ok ) +#define FILE_Read( buffer, count ) \ + ( (error = TT_Read_File ( stream, \ + buffer, \ + (Long)(count) )) != TT_Err_Ok ) +#define FILE_Read_At( pos, buffer, count ) \ + ( (error = TT_Read_At_File( stream, \ + (Long)(pos), \ + buffer, \ + (Long)(count) )) != TT_Err_Ok ) + +#else /* thread-safe implementation */ + +/* Define stream locals with frame -- nothing in thread-safe mode */ +#define DEFINE_STREAM_LOCALS \ + TT_Error error + +/* Define stream locals without frame -- nothing in thread-safe mode */ +#define DEFINE_STREAM_LOCALS_WO_FRAME \ + TT_Error error + +/* Define locals with a predefined stream in reentrant mode -- see ttload.c */ +#define DEFINE_LOAD_LOCALS( STREAM ) \ + TT_Error error + + +/* Define locals without frame with a predefined stream - see ttload.c */ +#define DEFINE_LOAD_LOCALS_WO_FRAME( STREAM ) \ + TT_Error error + +/* Define all locals necessary to access a font file */ +#define DEFINE_ALL_LOCALS \ + TT_Error error; \ + DEFINE_A_STREAM + + +#define ACCESS_Frame( _size_ ) \ + ( (error = TT_Access_Frame( (Long)(_size_) )) != TT_Err_Ok ) +#define CHECK_ACCESS_Frame( _size_ ) \ + ( (error = TT_Check_And_Access_Frame( (Long)(_size_) )) != TT_Err_Ok ) +#define FORGET_Frame() \ + ( (void)TT_Forget_Frame() ) + +#define GET_Byte() TT_Get_Byte () +#define GET_Char() TT_Get_Char () +#define GET_UShort() TT_Get_UShort() +#define GET_Short() TT_Get_Short () +#define GET_Long() TT_Get_Long () +#define GET_ULong() TT_Get_ULong () +#define GET_Tag4() TT_Get_ULong () + +#define FILE_Pos() TT_File_Pos() + +#define FILE_Seek( _position_ ) \ + ( (error = TT_Seek_File( (Long)(_position_) )) != TT_Err_Ok ) +#define FILE_Skip( _distance_ ) \ + ( (error = TT_Skip_File( (Long)(_distance_) )) != TT_Err_Ok ) +#define FILE_Read( buffer, count ) \ + ( (error = TT_Read_File ( buffer, \ + (Long)(count) )) != TT_Err_Ok ) +#define FILE_Read_At( pos, buffer, count ) \ + ( (error = TT_Read_At_File( (Long)(pos), \ + buffer, \ + (Long)(count) )) != TT_Err_Ok ) + +#endif /* TT_CONFIG_OPTION_THREAD_SAFE */ + +#ifdef __cplusplus + } +#endif + +#endif /* TTLOAD_H */ + + +/* END */ |