diff options
Diffstat (limited to 'include/freetype/internal/ftstream.h')
| -rw-r--r-- | include/freetype/internal/ftstream.h | 539 |
1 files changed, 0 insertions, 539 deletions
diff --git a/include/freetype/internal/ftstream.h b/include/freetype/internal/ftstream.h deleted file mode 100644 index a91eb72..0000000 --- a/include/freetype/internal/ftstream.h +++ /dev/null @@ -1,539 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftstream.h */ -/* */ -/* Stream handling (specification). */ -/* */ -/* Copyright 1996-2001, 2002, 2004, 2005, 2006 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. */ -/* */ -/***************************************************************************/ - - -#ifndef __FTSTREAM_H__ -#define __FTSTREAM_H__ - - -#include <ft2build.h> -#include FT_SYSTEM_H -#include FT_INTERNAL_OBJECTS_H - - -FT_BEGIN_HEADER - - - /* format of an 8-bit frame_op value: */ - /* */ - /* bit 76543210 */ - /* xxxxxxes */ - /* */ - /* s is set to 1 if the value is signed. */ - /* e is set to 1 if the value is little-endian. */ - /* xxx is a command. */ - -#define FT_FRAME_OP_SHIFT 2 -#define FT_FRAME_OP_SIGNED 1 -#define FT_FRAME_OP_LITTLE 2 -#define FT_FRAME_OP_COMMAND( x ) ( x >> FT_FRAME_OP_SHIFT ) - -#define FT_MAKE_FRAME_OP( command, little, sign ) \ - ( ( command << FT_FRAME_OP_SHIFT ) | ( little << 1 ) | sign ) - -#define FT_FRAME_OP_END 0 -#define FT_FRAME_OP_START 1 /* start a new frame */ -#define FT_FRAME_OP_BYTE 2 /* read 1-byte value */ -#define FT_FRAME_OP_SHORT 3 /* read 2-byte value */ -#define FT_FRAME_OP_LONG 4 /* read 4-byte value */ -#define FT_FRAME_OP_OFF3 5 /* read 3-byte value */ -#define FT_FRAME_OP_BYTES 6 /* read a bytes sequence */ - - - typedef enum FT_Frame_Op_ - { - ft_frame_end = 0, - ft_frame_start = FT_MAKE_FRAME_OP( FT_FRAME_OP_START, 0, 0 ), - - ft_frame_byte = FT_MAKE_FRAME_OP( FT_FRAME_OP_BYTE, 0, 0 ), - ft_frame_schar = FT_MAKE_FRAME_OP( FT_FRAME_OP_BYTE, 0, 1 ), - - ft_frame_ushort_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_SHORT, 0, 0 ), - ft_frame_short_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_SHORT, 0, 1 ), - ft_frame_ushort_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_SHORT, 1, 0 ), - ft_frame_short_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_SHORT, 1, 1 ), - - ft_frame_ulong_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_LONG, 0, 0 ), - ft_frame_long_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_LONG, 0, 1 ), - ft_frame_ulong_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_LONG, 1, 0 ), - ft_frame_long_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_LONG, 1, 1 ), - - ft_frame_uoff3_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_OFF3, 0, 0 ), - ft_frame_off3_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_OFF3, 0, 1 ), - ft_frame_uoff3_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_OFF3, 1, 0 ), - ft_frame_off3_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_OFF3, 1, 1 ), - - ft_frame_bytes = FT_MAKE_FRAME_OP( FT_FRAME_OP_BYTES, 0, 0 ), - ft_frame_skip = FT_MAKE_FRAME_OP( FT_FRAME_OP_BYTES, 0, 1 ) - - } FT_Frame_Op; - - - typedef struct FT_Frame_Field_ - { - FT_Byte value; - FT_Byte size; - FT_UShort offset; - - } FT_Frame_Field; - - - /* Construct an FT_Frame_Field out of a structure type and a field name. */ - /* The structure type must be set in the FT_STRUCTURE macro before */ - /* calling the FT_FRAME_START() macro. */ - /* */ -#define FT_FIELD_SIZE( f ) \ - (FT_Byte)sizeof ( ((FT_STRUCTURE*)0)->f ) - -#define FT_FIELD_SIZE_DELTA( f ) \ - (FT_Byte)sizeof ( ((FT_STRUCTURE*)0)->f[0] ) - -#define FT_FIELD_OFFSET( f ) \ - (FT_UShort)( offsetof( FT_STRUCTURE, f ) ) - -#define FT_FRAME_FIELD( frame_op, field ) \ - { \ - frame_op, \ - FT_FIELD_SIZE( field ), \ - FT_FIELD_OFFSET( field ) \ - } - -#define FT_MAKE_EMPTY_FIELD( frame_op ) { frame_op, 0, 0 } - -#define FT_FRAME_START( size ) { ft_frame_start, 0, size } -#define FT_FRAME_END { ft_frame_end, 0, 0 } - -#define FT_FRAME_LONG( f ) FT_FRAME_FIELD( ft_frame_long_be, f ) -#define FT_FRAME_ULONG( f ) FT_FRAME_FIELD( ft_frame_ulong_be, f ) -#define FT_FRAME_SHORT( f ) FT_FRAME_FIELD( ft_frame_short_be, f ) -#define FT_FRAME_USHORT( f ) FT_FRAME_FIELD( ft_frame_ushort_be, f ) -#define FT_FRAME_OFF3( f ) FT_FRAME_FIELD( ft_frame_off3_be, f ) -#define FT_FRAME_UOFF3( f ) FT_FRAME_FIELD( ft_frame_uoff3_be, f ) -#define FT_FRAME_BYTE( f ) FT_FRAME_FIELD( ft_frame_byte, f ) -#define FT_FRAME_CHAR( f ) FT_FRAME_FIELD( ft_frame_schar, f ) - -#define FT_FRAME_LONG_LE( f ) FT_FRAME_FIELD( ft_frame_long_le, f ) -#define FT_FRAME_ULONG_LE( f ) FT_FRAME_FIELD( ft_frame_ulong_le, f ) -#define FT_FRAME_SHORT_LE( f ) FT_FRAME_FIELD( ft_frame_short_le, f ) -#define FT_FRAME_USHORT_LE( f ) FT_FRAME_FIELD( ft_frame_ushort_le, f ) -#define FT_FRAME_OFF3_LE( f ) FT_FRAME_FIELD( ft_frame_off3_le, f ) -#define FT_FRAME_UOFF3_LE( f ) FT_FRAME_FIELD( ft_frame_uoff3_le, f ) - -#define FT_FRAME_SKIP_LONG { ft_frame_long_be, 0, 0 } -#define FT_FRAME_SKIP_SHORT { ft_frame_short_be, 0, 0 } -#define FT_FRAME_SKIP_BYTE { ft_frame_byte, 0, 0 } - -#define FT_FRAME_BYTES( field, count ) \ - { \ - ft_frame_bytes, \ - count, \ - FT_FIELD_OFFSET( field ) \ - } - -#define FT_FRAME_SKIP_BYTES( count ) { ft_frame_skip, count, 0 } - - - /*************************************************************************/ - /* */ - /* Integer extraction macros -- the `buffer' parameter must ALWAYS be of */ - /* type `char*' or equivalent (1-byte elements). */ - /* */ - -#define FT_BYTE_( p, i ) ( ((const FT_Byte*)(p))[(i)] ) -#define FT_INT8_( p, i ) ( ((const FT_Char*)(p))[(i)] ) - -#define FT_INT16( x ) ( (FT_Int16)(x) ) -#define FT_UINT16( x ) ( (FT_UInt16)(x) ) -#define FT_INT32( x ) ( (FT_Int32)(x) ) -#define FT_UINT32( x ) ( (FT_UInt32)(x) ) - -#define FT_BYTE_I16( p, i, s ) ( FT_INT16( FT_BYTE_( p, i ) ) << (s) ) -#define FT_BYTE_U16( p, i, s ) ( FT_UINT16( FT_BYTE_( p, i ) ) << (s) ) -#define FT_BYTE_I32( p, i, s ) ( FT_INT32( FT_BYTE_( p, i ) ) << (s) ) -#define FT_BYTE_U32( p, i, s ) ( FT_UINT32( FT_BYTE_( p, i ) ) << (s) ) - -#define FT_INT8_I16( p, i, s ) ( FT_INT16( FT_INT8_( p, i ) ) << (s) ) -#define FT_INT8_U16( p, i, s ) ( FT_UINT16( FT_INT8_( p, i ) ) << (s) ) -#define FT_INT8_I32( p, i, s ) ( FT_INT32( FT_INT8_( p, i ) ) << (s) ) -#define FT_INT8_U32( p, i, s ) ( FT_UINT32( FT_INT8_( p, i ) ) << (s) ) - - -#define FT_PEEK_SHORT( p ) FT_INT16( FT_INT8_I16( p, 0, 8) | \ - FT_BYTE_I16( p, 1, 0) ) - -#define FT_PEEK_USHORT( p ) FT_UINT16( FT_BYTE_U16( p, 0, 8 ) | \ - FT_BYTE_U16( p, 1, 0 ) ) - -#define FT_PEEK_LONG( p ) FT_INT32( FT_INT8_I32( p, 0, 24 ) | \ - FT_BYTE_I32( p, 1, 16 ) | \ - FT_BYTE_I32( p, 2, 8 ) | \ - FT_BYTE_I32( p, 3, 0 ) ) - -#define FT_PEEK_ULONG( p ) FT_UINT32( FT_BYTE_U32( p, 0, 24 ) | \ - FT_BYTE_U32( p, 1, 16 ) | \ - FT_BYTE_U32( p, 2, 8 ) | \ - FT_BYTE_U32( p, 3, 0 ) ) - -#define FT_PEEK_OFF3( p ) FT_INT32( FT_INT8_I32( p, 0, 16 ) | \ - FT_BYTE_I32( p, 1, 8 ) | \ - FT_BYTE_I32( p, 2, 0 ) ) - -#define FT_PEEK_UOFF3( p ) FT_UINT32( FT_BYTE_U32( p, 0, 16 ) | \ - FT_BYTE_U32( p, 1, 8 ) | \ - FT_BYTE_U32( p, 2, 0 ) ) - -#define FT_PEEK_SHORT_LE( p ) FT_INT16( FT_INT8_I16( p, 1, 8 ) | \ - FT_BYTE_I16( p, 0, 0 ) ) - -#define FT_PEEK_USHORT_LE( p ) FT_UINT16( FT_BYTE_U16( p, 1, 8 ) | \ - FT_BYTE_U16( p, 0, 0 ) ) - -#define FT_PEEK_LONG_LE( p ) FT_INT32( FT_INT8_I32( p, 3, 24 ) | \ - FT_BYTE_I32( p, 2, 16 ) | \ - FT_BYTE_I32( p, 1, 8 ) | \ - FT_BYTE_I32( p, 0, 0 ) ) - -#define FT_PEEK_ULONG_LE( p ) FT_UINT32( FT_BYTE_U32( p, 3, 24 ) | \ - FT_BYTE_U32( p, 2, 16 ) | \ - FT_BYTE_U32( p, 1, 8 ) | \ - FT_BYTE_U32( p, 0, 0 ) ) - -#define FT_PEEK_OFF3_LE( p ) FT_INT32( FT_INT8_I32( p, 2, 16 ) | \ - FT_BYTE_I32( p, 1, 8 ) | \ - FT_BYTE_I32( p, 0, 0 ) ) - -#define FT_PEEK_UOFF3_LE( p ) FT_UINT32( FT_BYTE_U32( p, 2, 16 ) | \ - FT_BYTE_U32( p, 1, 8 ) | \ - FT_BYTE_U32( p, 0, 0 ) ) - - -#define FT_NEXT_CHAR( buffer ) \ - ( (signed char)*buffer++ ) - -#define FT_NEXT_BYTE( buffer ) \ - ( (unsigned char)*buffer++ ) - -#define FT_NEXT_SHORT( buffer ) \ - ( (short)( buffer += 2, FT_PEEK_SHORT( buffer - 2 ) ) ) - -#define FT_NEXT_USHORT( buffer ) \ - ( (unsigned short)( buffer += 2, FT_PEEK_USHORT( buffer - 2 ) ) ) - -#define FT_NEXT_OFF3( buffer ) \ - ( (long)( buffer += 3, FT_PEEK_OFF3( buffer - 3 ) ) ) - -#define FT_NEXT_UOFF3( buffer ) \ - ( (unsigned long)( buffer += 3, FT_PEEK_UOFF3( buffer - 3 ) ) ) - -#define FT_NEXT_LONG( buffer ) \ - ( (long)( buffer += 4, FT_PEEK_LONG( buffer - 4 ) ) ) - -#define FT_NEXT_ULONG( buffer ) \ - ( (unsigned long)( buffer += 4, FT_PEEK_ULONG( buffer - 4 ) ) ) - - -#define FT_NEXT_SHORT_LE( buffer ) \ - ( (short)( buffer += 2, FT_PEEK_SHORT_LE( buffer - 2 ) ) ) - -#define FT_NEXT_USHORT_LE( buffer ) \ - ( (unsigned short)( buffer += 2, FT_PEEK_USHORT_LE( buffer - 2 ) ) ) - -#define FT_NEXT_OFF3_LE( buffer ) \ - ( (long)( buffer += 3, FT_PEEK_OFF3_LE( buffer - 3 ) ) ) - -#define FT_NEXT_UOFF3_LE( buffer ) \ - ( (unsigned long)( buffer += 3, FT_PEEK_UOFF3_LE( buffer - 3 ) ) ) - -#define FT_NEXT_LONG_LE( buffer ) \ - ( (long)( buffer += 4, FT_PEEK_LONG_LE( buffer - 4 ) ) ) - -#define FT_NEXT_ULONG_LE( buffer ) \ - ( (unsigned long)( buffer += 4, FT_PEEK_ULONG_LE( buffer - 4 ) ) ) - - - /*************************************************************************/ - /* */ - /* Each GET_xxxx() macro uses an implicit `stream' variable. */ - /* */ -#if 0 -#define FT_GET_MACRO( type ) FT_NEXT_ ## type ( stream->cursor ) - -#define FT_GET_CHAR() FT_GET_MACRO( CHAR ) -#define FT_GET_BYTE() FT_GET_MACRO( BYTE ) -#define FT_GET_SHORT() FT_GET_MACRO( SHORT ) -#define FT_GET_USHORT() FT_GET_MACRO( USHORT ) -#define FT_GET_OFF3() FT_GET_MACRO( OFF3 ) -#define FT_GET_UOFF3() FT_GET_MACRO( UOFF3 ) -#define FT_GET_LONG() FT_GET_MACRO( LONG ) -#define FT_GET_ULONG() FT_GET_MACRO( ULONG ) -#define FT_GET_TAG4() FT_GET_MACRO( ULONG ) - -#define FT_GET_SHORT_LE() FT_GET_MACRO( SHORT_LE ) -#define FT_GET_USHORT_LE() FT_GET_MACRO( USHORT_LE ) -#define FT_GET_LONG_LE() FT_GET_MACRO( LONG_LE ) -#define FT_GET_ULONG_LE() FT_GET_MACRO( ULONG_LE ) - -#else -#define FT_GET_MACRO( func, type ) ( (type)func( stream ) ) - -#define FT_GET_CHAR() FT_GET_MACRO( FT_Stream_GetChar, FT_Char ) -#define FT_GET_BYTE() FT_GET_MACRO( FT_Stream_GetChar, FT_Byte ) -#define FT_GET_SHORT() FT_GET_MACRO( FT_Stream_GetShort, FT_Short ) -#define FT_GET_USHORT() FT_GET_MACRO( FT_Stream_GetShort, FT_UShort ) -#define FT_GET_OFF3() FT_GET_MACRO( FT_Stream_GetOffset, FT_Long ) -#define FT_GET_UOFF3() FT_GET_MACRO( FT_Stream_GetOffset, FT_ULong ) -#define FT_GET_LONG() FT_GET_MACRO( FT_Stream_GetLong, FT_Long ) -#define FT_GET_ULONG() FT_GET_MACRO( FT_Stream_GetLong, FT_ULong ) -#define FT_GET_TAG4() FT_GET_MACRO( FT_Stream_GetLong, FT_ULong ) - -#define FT_GET_SHORT_LE() FT_GET_MACRO( FT_Stream_GetShortLE, FT_Short ) -#define FT_GET_USHORT_LE() FT_GET_MACRO( FT_Stream_GetShortLE, FT_UShort ) -#define FT_GET_LONG_LE() FT_GET_MACRO( FT_Stream_GetLongLE, FT_Long ) -#define FT_GET_ULONG_LE() FT_GET_MACRO( FT_Stream_GetLongLE, FT_ULong ) -#endif - -#define FT_READ_MACRO( func, type, var ) \ - ( var = (type)func( stream, &error ), \ - error != FT_Err_Ok ) - -#define FT_READ_BYTE( var ) FT_READ_MACRO( FT_Stream_ReadChar, FT_Byte, var ) -#define FT_READ_CHAR( var ) FT_READ_MACRO( FT_Stream_ReadChar, FT_Char, var ) -#define FT_READ_SHORT( var ) FT_READ_MACRO( FT_Stream_ReadShort, FT_Short, var ) -#define FT_READ_USHORT( var ) FT_READ_MACRO( FT_Stream_ReadShort, FT_UShort, var ) -#define FT_READ_OFF3( var ) FT_READ_MACRO( FT_Stream_ReadOffset, FT_Long, var ) -#define FT_READ_UOFF3( var ) FT_READ_MACRO( FT_Stream_ReadOffset, FT_ULong, var ) -#define FT_READ_LONG( var ) FT_READ_MACRO( FT_Stream_ReadLong, FT_Long, var ) -#define FT_READ_ULONG( var ) FT_READ_MACRO( FT_Stream_ReadLong, FT_ULong, var ) - -#define FT_READ_SHORT_LE( var ) FT_READ_MACRO( FT_Stream_ReadShortLE, FT_Short, var ) -#define FT_READ_USHORT_LE( var ) FT_READ_MACRO( FT_Stream_ReadShortLE, FT_UShort, var ) -#define FT_READ_LONG_LE( var ) FT_READ_MACRO( FT_Stream_ReadLongLE, FT_Long, var ) -#define FT_READ_ULONG_LE( var ) FT_READ_MACRO( FT_Stream_ReadLongLE, FT_ULong, var ) - - -#ifndef FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM - - /* initialize a stream for reading a regular system stream */ - FT_BASE( FT_Error ) - FT_Stream_Open( FT_Stream stream, - const char* filepathname ); - -#endif /* FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM */ - - - /* create a new (input) stream from an FT_Open_Args structure */ - FT_BASE( FT_Error ) - FT_Stream_New( FT_Library library, - const FT_Open_Args* args, - FT_Stream *astream ); - - /* free a stream */ - FT_BASE( void ) - FT_Stream_Free( FT_Stream stream, - FT_Int external ); - - /* initialize a stream for reading in-memory data */ - FT_BASE( void ) - FT_Stream_OpenMemory( FT_Stream stream, - const FT_Byte* base, - FT_ULong size ); - - /* close a stream (does not destroy the stream structure) */ - FT_BASE( void ) - FT_Stream_Close( FT_Stream stream ); - - - /* seek within a stream. position is relative to start of stream */ - FT_BASE( FT_Error ) - FT_Stream_Seek( FT_Stream stream, - FT_ULong pos ); - - /* skip bytes in a stream */ - FT_BASE( FT_Error ) - FT_Stream_Skip( FT_Stream stream, - FT_Long distance ); - - /* return current stream position */ - FT_BASE( FT_Long ) - FT_Stream_Pos( FT_Stream stream ); - - /* read bytes from a stream into a user-allocated buffer, returns an */ - /* error if not all bytes could be read. */ - FT_BASE( FT_Error ) - FT_Stream_Read( FT_Stream stream, - FT_Byte* buffer, - FT_ULong count ); - - /* read bytes from a stream at a given position */ - FT_BASE( FT_Error ) - FT_Stream_ReadAt( FT_Stream stream, - FT_ULong pos, - FT_Byte* buffer, - FT_ULong count ); - - /* try to read bytes at the end of a stream; return number of bytes */ - /* really available */ - FT_BASE( FT_ULong ) - FT_Stream_TryRead( FT_Stream stream, - FT_Byte* buffer, - FT_ULong count ); - - /* Enter a frame of `count' consecutive bytes in a stream. Returns an */ - /* error if the frame could not be read/accessed. The caller can use */ - /* the FT_Stream_Get_XXX functions to retrieve frame data without */ - /* error checks. */ - /* */ - /* You must _always_ call FT_Stream_ExitFrame() once you have entered */ - /* a stream frame! */ - /* */ - FT_BASE( FT_Error ) - FT_Stream_EnterFrame( FT_Stream stream, - FT_ULong count ); - - /* exit a stream frame */ - FT_BASE( void ) - FT_Stream_ExitFrame( FT_Stream stream ); - - /* Extract a stream frame. If the stream is disk-based, a heap block */ - /* is allocated and the frame bytes are read into it. If the stream */ - /* is memory-based, this function simply set a pointer to the data. */ - /* */ - /* Useful to optimize access to memory-based streams transparently. */ - /* */ - /* All extracted frames must be `freed' with a call to the function */ - /* FT_Stream_ReleaseFrame(). */ - /* */ - FT_BASE( FT_Error ) - FT_Stream_ExtractFrame( FT_Stream stream, - FT_ULong count, - FT_Byte** pbytes ); - - /* release an extract frame (see FT_Stream_ExtractFrame) */ - FT_BASE( void ) - FT_Stream_ReleaseFrame( FT_Stream stream, - FT_Byte** pbytes ); - - /* read a byte from an entered frame */ - FT_BASE( FT_Char ) - FT_Stream_GetChar( FT_Stream stream ); - - /* read a 16-bit big-endian integer from an entered frame */ - FT_BASE( FT_Short ) - FT_Stream_GetShort( FT_Stream stream ); - - /* read a 24-bit big-endian integer from an entered frame */ - FT_BASE( FT_Long ) - FT_Stream_GetOffset( FT_Stream stream ); - - /* read a 32-bit big-endian integer from an entered frame */ - FT_BASE( FT_Long ) - FT_Stream_GetLong( FT_Stream stream ); - - /* read a 16-bit little-endian integer from an entered frame */ - FT_BASE( FT_Short ) - FT_Stream_GetShortLE( FT_Stream stream ); - - /* read a 32-bit little-endian integer from an entered frame */ - FT_BASE( FT_Long ) - FT_Stream_GetLongLE( FT_Stream stream ); - - - /* read a byte from a stream */ - FT_BASE( FT_Char ) - FT_Stream_ReadChar( FT_Stream stream, - FT_Error* error ); - - /* read a 16-bit big-endian integer from a stream */ - FT_BASE( FT_Short ) - FT_Stream_ReadShort( FT_Stream stream, - FT_Error* error ); - - /* read a 24-bit big-endian integer from a stream */ - FT_BASE( FT_Long ) - FT_Stream_ReadOffset( FT_Stream stream, - FT_Error* error ); - - /* read a 32-bit big-endian integer from a stream */ - FT_BASE( FT_Long ) - FT_Stream_ReadLong( FT_Stream stream, - FT_Error* error ); - - /* read a 16-bit little-endian integer from a stream */ - FT_BASE( FT_Short ) - FT_Stream_ReadShortLE( FT_Stream stream, - FT_Error* error ); - - /* read a 32-bit little-endian integer from a stream */ - FT_BASE( FT_Long ) - FT_Stream_ReadLongLE( FT_Stream stream, - FT_Error* error ); - - /* Read a structure from a stream. The structure must be described */ - /* by an array of FT_Frame_Field records. */ - FT_BASE( FT_Error ) - FT_Stream_ReadFields( FT_Stream stream, - const FT_Frame_Field* fields, - void* structure ); - - -#define FT_STREAM_POS() \ - FT_Stream_Pos( stream ) - -#define FT_STREAM_SEEK( position ) \ - FT_SET_ERROR( FT_Stream_Seek( stream, position ) ) - -#define FT_STREAM_SKIP( distance ) \ - FT_SET_ERROR( FT_Stream_Skip( stream, distance ) ) - -#define FT_STREAM_READ( buffer, count ) \ - FT_SET_ERROR( FT_Stream_Read( stream, \ - (FT_Byte*)buffer, \ - count ) ) - -#define FT_STREAM_READ_AT( position, buffer, count ) \ - FT_SET_ERROR( FT_Stream_ReadAt( stream, \ - position, \ - (FT_Byte*)buffer, \ - count ) ) - -#define FT_STREAM_READ_FIELDS( fields, object ) \ - FT_SET_ERROR( FT_Stream_ReadFields( stream, fields, object ) ) - - -#define FT_FRAME_ENTER( size ) \ - FT_SET_ERROR( \ - FT_DEBUG_INNER( FT_Stream_EnterFrame( stream, size ) ) ) - -#define FT_FRAME_EXIT() \ - FT_DEBUG_INNER( FT_Stream_ExitFrame( stream ) ) - -#define FT_FRAME_EXTRACT( size, bytes ) \ - FT_SET_ERROR( \ - FT_DEBUG_INNER( FT_Stream_ExtractFrame( stream, size, \ - (FT_Byte**)&(bytes) ) ) ) - -#define FT_FRAME_RELEASE( bytes ) \ - FT_DEBUG_INNER( FT_Stream_ReleaseFrame( stream, \ - (FT_Byte**)&(bytes) ) ) - - -FT_END_HEADER - -#endif /* __FTSTREAM_H__ */ - - -/* END */ |