110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/***************************************************************************/
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/* */
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/* ftsystem.h */
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/* */
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/* FreeType low-level system interface definition (specification). */
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/* */
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/* Copyright 1996-2000 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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#ifndef __FTSYSTEM_H__
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#define __FTSYSTEM_H__
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#include <ft2build.h>
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FT_BEGIN_HEADER
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/*************************************************************************/
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/* */
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/* M E M O R Y M A N A G E M E N T */
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/* */
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/*************************************************************************/
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typedef struct FT_MemoryRec_* FT_Memory;
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typedef void* (*FT_Alloc_Func)( FT_Memory memory,
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long size );
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typedef void (*FT_Free_Func)( FT_Memory memory,
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void* block );
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typedef void* (*FT_Realloc_Func)( FT_Memory memory,
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long cur_size,
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long new_size,
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void* block );
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struct FT_MemoryRec_
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{
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void* user;
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FT_Alloc_Func alloc;
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FT_Free_Func free;
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FT_Realloc_Func realloc;
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};
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/*************************************************************************/
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/* */
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/* I / O M A N A G E M E N T */
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/* */
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/*************************************************************************/
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typedef union FT_StreamDesc_
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{
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long value;
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void* pointer;
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} FT_StreamDesc;
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typedef struct FT_StreamRec_* FT_Stream;
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typedef unsigned long (*FT_Stream_IO)( FT_Stream stream,
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unsigned long offset,
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unsigned char* buffer,
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unsigned long count );
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typedef void (*FT_Stream_Close)( FT_Stream stream );
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struct FT_StreamRec_
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{
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unsigned char* base;
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unsigned long size;
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unsigned long pos;
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FT_StreamDesc descriptor;
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FT_StreamDesc pathname; /* ignored by FreeType -- */
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/* useful for debugging */
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FT_Stream_IO read;
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FT_Stream_Close close;
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FT_Memory memory;
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unsigned char* cursor;
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unsigned char* limit;
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};
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FT_END_HEADER
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#endif /* __FTSYSTEM_H__ */
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/* END */
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