windows-nt/Source/XPSP1/NT/multimedia/media/avi/drawdib/dva/dvaddi.h
2020-09-26 16:20:57 +08:00

34 lines
1.5 KiB
C

//
// DVADDDI.H
//
// Copyright (c) 1993-1994 Microsoft Corporation
//
// DVA 1.0 Interface Definitions
//
#define DVAGETSURFACE 3074 // GDI Escape for DVA
#define DVA_VERSION 0x0100 // version number of DVA 1.0
//
// DVASURFACEINFO structure
//
typedef struct { //
BITMAPINFOHEADER BitmapInfo; // BITMAPINFO of surface
DWORD dwMask[3]; // masks for BI_BITFIELDS
DWORD offSurface; // surface offset
WORD selSurface; // surface selector
WORD Version; // DVA Version
DWORD Flags; // Flags
LPVOID lpSurface; // driver use.
BOOL (CALLBACK *OpenSurface) (LPVOID); // OpenSurface callback
void (CALLBACK *CloseSurface)(LPVOID); // CloseSurface callback
BOOL (CALLBACK *BeginAccess) (LPVOID,int,int,int,int); // BeginAccess callback
void (CALLBACK *EndAccess) (LPVOID); // EndAccess callback
UINT (CALLBACK *ShowSurface) (LPVOID,HWND,LPRECT,LPRECT); // ShowSurface callback
} DVASURFACEINFO, FAR *LPDVASURFACEINFO; //
//
// Definitions for DVASURFACEINFO.dvaFlags
//
#define DVAF_1632_ACCESS 0x0001 // must access using 16:32 pointers