ref: f6356ab71370699a974fb1dedb544bb3b46abc26
dir: /include/ftsystem.h/
/**************************************************************************
*
* ftsystem.h 1.0
*
* FreeType low-level system interface definition
*
* This file contains the definitions of the stream and memory interfaces
* used by FreeType.
*
*
* 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.
*
**************************************************************************/
#ifndef FTSYSTEM_H
#define FTSYSTEM_H
/*************************************************************************
*
* M E M O R Y M A N A G E M E N T
*
*************************************************************************/
typedef struct FT_MemoryRec_* FT_Memory;
typedef void* (*FT_Alloc_Func)( FT_Memory memory,
long size );
typedef void (*FT_Free_Func)( FT_Memory memory,
void* block );
typedef void* (*FT_Realloc_Func)( FT_Memory memory,
long cur_size,
long new_size,
void* block );
struct FT_MemoryRec_
{
void* user;
FT_Alloc_Func alloc;
FT_Free_Func free;
FT_Realloc_Func realloc;
};
/*************************************************************************
*
* I / O M A N A G E M E N T
*
*************************************************************************/
typedef union FT_StreamDesc_
{
long value;
void* pointer;
} FT_StreamDesc;
typedef struct FT_StreamRec_* FT_Stream;
typedef unsigned long (*FT_Stream_IO)( FT_Stream stream,
unsigned long offset,
char* buffer,
unsigned long count );
typedef void (*FT_Stream_Close)( FT_Stream stream );
struct FT_StreamRec_
{
char* base;
unsigned long size;
unsigned long pos;
FT_StreamDesc descriptor;
FT_StreamDesc pathname; /* ignored by FreeType - useful for debugging */
FT_Stream_IO read;
FT_Stream_Close close;
FT_Memory memory;
char* cursor;
char* limit;
};
#endif /* FTSYSTEM_H */