freetype2/include/freetype/ftsysmem.h

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2002-04-18 00:54:02 +02:00
#ifndef __FT_SYSTEM_MEMORY_H__
#define __FT_SYSTEM_MEMORY_H__
#include <ft2build.h>
FT_BEGIN_HEADER
/* handle to memory structure */
typedef struct FT_MemoryRec_* FT_Memory;
/* a function used to allocate a new block of memory from a heap */
typedef FT_Pointer (*FT_Memory_AllocFunc)( FT_ULong size,
FT_Memory memory );
/* a function used to free a block of memory */
typedef void (*FT_Memory_FreeFunc) ( FT_Pointer block,
FT_Memory memory );
/* a function used to reallocate a given memory block to a new size */
typedef FT_Pointer (*FT_Memory_ReallocFunc)( FT_Pointer block,
FT_ULong new_size,
FT_ULong cur_size,
FT_Memory memory );
/* a function called to allocate a new structure of 'size' bytes that */
/* will be used for a new FT_Memory object.. */
/* */
typedef FT_Pointer (*FT_Memory_CreateFunc)( FT_UInt size,
FT_Pointer init_data );
/* a function used to destroy a FT_Memory object */
typedef void (*FT_Memory_DestroyFunc)( FT_Memory memory );
/* a structure holding the functions used to describe a given FT_Memory */
/* implementation.. */
/* */
typedef struct FT_Memory_FuncsRec_
{
FT_Memory_AllocFunc mem_alloc;
FT_Memory_FreeFunc mem_free;
FT_Memory_ReallocFunc mem_realloc;
FT_Memory_CreateFunc mem_create;
FT_Memory_DestroyFunc mem_destroy;
} FT_Memory_FuncsRec, *FT_Memory_Funcs;
/* a function used to create a new custom FT_Memory object */
/* */
FT_BASE_DEF( FT_Memory )
ft_memory_new( FT_Memory_Funcs mem_funcs,
FT_Pointer mem_init_data );
/* a function used to destroy a custom FT_Memory object */
FT_BASE_DEF( void )
ft_memory_destroy( FT_Memory memory );
/* a pointer to the default memory functions used by FreeType in a */
/* given build. By default, uses the ISO C malloc/free/realloc */
/* */
FT_APIVAR( const FT_MemoryFuncs ) ft_memory_funcs_default;
/* */
FT_END_HEADER
#endif /* __FT_SYSTEM_MEMORY_H__ */