reactos/dll/ddraw/winedraw.h

   1 /*
   2  * Copyright 2000-2001 TransGaming Technologies Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18 #ifndef _DDCOMIMPL_H_
  19 #define _DDCOMIMPL_H_
  20
  21 #include <stddef.h>
  22
  23 /* Generates the name for a vtable pointer for a given interface. */
  24 /* The canonical name for a single interface is "lpVtbl". */
  25 #define ICOM_VFIELD_MULTI_NAME2(iface) ITF_##iface
  26 #define ICOM_VFIELD_MULTI_NAME(iface) ICOM_VFIELD_MULTI_NAME2(iface)
  27
  28 /* Declares a vtable pointer field in an implementation. */
  29 #define ICOM_VFIELD_MULTI(iface) \
  30         iface ICOM_VFIELD_MULTI_NAME(iface)
  31
  32 /* Returns the offset of a vtable pointer within an implementation object. */
  33 #define ICOM_VFIELD_OFFSET(impltype, iface) \
  34         offsetof(impltype, ICOM_VFIELD_MULTI_NAME(iface))
  35
  36 /* Given an interface pointer, returns the implementation pointer. */
  37 #define ICOM_OBJECT(impltype, ifacename, ifaceptr)              \
  38         (impltype*)((ifaceptr) == NULL ? NULL                   \
  39                   : (char*)(ifaceptr) - ICOM_VFIELD_OFFSET(impltype,ifacename))
  40
  41 #define ICOM_THIS_FROM(impltype, ifacename, ifaceptr) \
  42         impltype* This = ICOM_OBJECT(impltype, ifacename, ifaceptr)
  43
  44 /* Given an object and interface name, returns a pointer to that interface. */
  45 #define ICOM_INTERFACE(implobj, iface) \
  46         (&((implobj)->ICOM_VFIELD_MULTI_NAME(iface)))
  47
  48 #define ICOM_INIT_INTERFACE(implobj, ifacename, vtblname) \
  49         do { \
  50           (implobj)->ICOM_VFIELD_MULTI_NAME(ifacename).lpVtbl = &(vtblname); \
  51         } while (0)
  52
  53 #define COM_INTERFACE_CAST(impltype, ifnamefrom, ifnameto, ifaceptr)    \
  54         ICOM_INTERFACE(ICOM_OBJECT(impltype, ifnamefrom, ifaceptr), ifnameto)
  55
  56 #endif /* _DDCOMIMPL_H_ */
  57
  58 #ifndef __WINE_DLLS_DDRAW_DDRAW_PRIVATE_H
  59 #define __WINE_DLLS_DDRAW_DDRAW_PRIVATE_H
  60
  61 /* MAY NOT CONTAIN X11 or DGA specific includes/defines/structs! */
  62
  63 #include <stdarg.h>
  64 #include <stdio.h>
  65
  66 #include "windef.h"
  67 #include "winbase.h"
  68 #include "wtypes.h"
  69 #include "wingdi.h"
  70 #include "winuser.h"
  71 #include "ddraw.h"
  72 #include "d3d.h"
  73 #include "ddrawi.h"
  74
  75 /*****************************************************************************
  76  * IDirectDraw implementation structure
  77  */
  78
  79 typedef struct IDirectDrawImpl IDirectDrawImpl;
  80 typedef struct IDirectDrawSurfaceImpl IDirectDrawSurfaceImpl;
  81
  82 struct IDirectDrawImpl
  83 {
  84     ICOM_VFIELD_MULTI(IDirectDraw7);
  85     ICOM_VFIELD_MULTI(IDirectDraw4);
  86     ICOM_VFIELD_MULTI(IDirectDraw2);
  87     ICOM_VFIELD_MULTI(IDirectDraw);
  88 };
  89
  90 /*****************************************************************************
  91  * IDirectDrawSurface implementation structure
  92  */
  93
  94 struct IDirectDrawSurfaceImpl
  95 {
  96     /* IUnknown fields */
  97     ICOM_VFIELD_MULTI(IDirectDrawSurface7);
  98     ICOM_VFIELD_MULTI(IDirectDrawSurface3);
  99 };
 100
 101 #endif /* __WINE_DLLS_DDRAW_DDRAW_PRIVATE_H */