24 lines
834 B
C
24 lines
834 B
C
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#ifndef __GFXOBJ_H_INCLUDED
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#define __GFXOBJ_H_INCLUDED
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#include "wintype.h"
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/* type definition for a graphics destructor */
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typedef void (*GFX_DTOR)(PVOID obj);
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/* A graphics object in memory always starts with this. */
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typedef struct tagGFXOBJECT {
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UINT32 sig; /* signature so we know what something is */
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UINT32 size; /* size of total allocated memory in block */
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INT32 refcnt; /* reference count */
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GFX_DTOR dtor; /* destructor function called when we're no longer needed */
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struct tagGFXOBJECT *next; /* support double linked lists of obejcts */
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struct tagGFXOBJECT *prev;
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} GFXOBJECT, *PGFXOBJECT;
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extern void Go_unchain(PGFXOBJECT obj);
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extern INT32 Go_addref(PGFXOBJECT obj);
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extern INT32 Go_release(PGFXOBJECT obj);
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#endif /* __GFXOBJ_H_INCLUDED */
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