1 /* DirectDrawClipper implementation
3 * Copyright 2000 Marcus Meissner
4 * Copyright 2000 TransGaming Technologies Inc.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
33 #include "ddraw_private.h"
34 #include "dclipper/main.h"
35 #include "ddraw/main.h"
37 #include "wine/debug.h"
39 WINE_DEFAULT_DEBUG_CHANNEL(ddraw
);
41 /******************************************************************************
42 * DirectDrawCreateClipper (DDRAW.@)
45 static IDirectDrawClipperVtbl DDRAW_Clipper_VTable
;
47 HRESULT WINAPI
DirectDrawCreateClipper(
48 DWORD dwFlags
, LPDIRECTDRAWCLIPPER
*lplpDDClipper
, LPUNKNOWN pUnkOuter
50 IDirectDrawClipperImpl
* This
;
51 TRACE("(%08lx,%p,%p)\n", dwFlags
, lplpDDClipper
, pUnkOuter
);
53 if (pUnkOuter
!= NULL
) return CLASS_E_NOAGGREGATION
;
55 This
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
,
56 sizeof(IDirectDrawClipperImpl
));
57 if (This
== NULL
) return E_OUTOFMEMORY
;
59 ICOM_INIT_INTERFACE(This
, IDirectDrawClipper
, DDRAW_Clipper_VTable
);
62 This
->ddraw_owner
= NULL
;
64 *lplpDDClipper
= ICOM_INTERFACE(This
, IDirectDrawClipper
);
68 /* This is the classfactory implementation. */
69 HRESULT
DDRAW_CreateDirectDrawClipper(IUnknown
* pUnkOuter
, REFIID riid
,
73 LPDIRECTDRAWCLIPPER pClip
;
75 hr
= DirectDrawCreateClipper(0, &pClip
, pUnkOuter
);
76 if (FAILED(hr
)) return hr
;
78 hr
= IDirectDrawClipper_QueryInterface(pClip
, riid
, ppObj
);
79 IDirectDrawClipper_Release(pClip
);
83 /******************************************************************************
86 HRESULT WINAPI
Main_DirectDrawClipper_SetHwnd(
87 LPDIRECTDRAWCLIPPER iface
, DWORD dwFlags
, HWND hWnd
89 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
91 TRACE("(%p)->SetHwnd(0x%08lx,0x%08lx)\n",This
,dwFlags
,(DWORD
)hWnd
);
93 FIXME("dwFlags = 0x%08lx, not supported.\n",dwFlags
);
94 return DDERR_INVALIDPARAMS
;
101 static void Main_DirectDrawClipper_Destroy(IDirectDrawClipperImpl
* This
)
103 if (This
->ddraw_owner
!= NULL
)
104 Main_DirectDraw_RemoveClipper(This
->ddraw_owner
, This
);
106 HeapFree(GetProcessHeap(), 0 ,This
);
109 void Main_DirectDrawClipper_ForceDestroy(IDirectDrawClipperImpl
* This
)
111 WARN("deleting clipper %p with refcnt %lu\n", This
, This
->ref
);
112 Main_DirectDrawClipper_Destroy(This
);
115 ULONG WINAPI
Main_DirectDrawClipper_Release(LPDIRECTDRAWCLIPPER iface
) {
116 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
117 TRACE("(%p)->() decrementing from %lu.\n", This
, This
->ref
);
119 if (--This
->ref
== 0)
121 Main_DirectDrawClipper_Destroy(This
);
124 else return This
->ref
;
127 /***********************************************************************
128 * IDirectDrawClipper::GetClipList
130 * Retrieve a copy of the clip list
133 * lpRect Rectangle to be used to clip the clip list or NULL for the
135 * lpClipList structure for the resulting copy of the clip list.
136 If NULL, fills lpdwSize up to the number of bytes necessary to hold
138 * lpdwSize Size of resulting clip list; size of the buffer at lpClipList
139 or, if lpClipList is NULL, receives the required size of the buffer
142 * Either DD_OK or DDERR_*
144 HRESULT WINAPI
Main_DirectDrawClipper_GetClipList(
145 LPDIRECTDRAWCLIPPER iface
, LPRECT lpRect
, LPRGNDATA lpClipList
,
148 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
150 TRACE("(%p,%p,%p,%p)\n", This
, lpRect
, lpClipList
, lpdwSize
);
154 HDC hDC
= GetDCEx(This
->hWnd
, NULL
, DCX_WINDOW
);
157 HRGN hRgn
= CreateRectRgn(0,0,0,0);
158 if (GetRandomRgn(hDC
, hRgn
, SYSRGN
))
162 HRGN hRgnClip
= CreateRectRgn(lpRect
->left
, lpRect
->top
,
163 lpRect
->right
, lpRect
->bottom
);
164 CombineRgn(hRgn
, hRgn
, hRgnClip
, RGN_AND
);
165 DeleteObject(hRgnClip
);
167 *lpdwSize
= GetRegionData(hRgn
, *lpdwSize
, lpClipList
);
170 ReleaseDC(This
->hWnd
, hDC
);
176 static int warned
= 0;
178 FIXME("(%p,%p,%p,%p),stub!\n",This
,lpRect
,lpClipList
,lpdwSize
);
179 if (lpdwSize
) *lpdwSize
=0;
180 return DDERR_NOCLIPLIST
;
184 /***********************************************************************
185 * IDirectDrawClipper::SetClipList
187 * Sets or deletes (if lprgn is NULL) the clip list
190 * lprgn Pointer to a LRGNDATA structure or NULL
191 * dwFlags not used, must be 0
193 * Either DD_OK or DDERR_*
195 HRESULT WINAPI
Main_DirectDrawClipper_SetClipList(
196 LPDIRECTDRAWCLIPPER iface
,LPRGNDATA lprgn
,DWORD dwFlag
198 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
199 static int warned
= 0;
200 if (warned
++ < 10 || lprgn
== NULL
)
201 FIXME("(%p,%p,%ld),stub!\n",This
,lprgn
,dwFlag
);
205 HRESULT WINAPI
Main_DirectDrawClipper_QueryInterface(
206 LPDIRECTDRAWCLIPPER iface
, REFIID riid
, LPVOID
* ppvObj
208 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
210 if (IsEqualGUID(&IID_IUnknown
, riid
)
211 || IsEqualGUID(&IID_IDirectDrawClipper
, riid
))
213 *ppvObj
= ICOM_INTERFACE(This
, IDirectDrawClipper
);
219 return E_NOINTERFACE
;
223 ULONG WINAPI
Main_DirectDrawClipper_AddRef( LPDIRECTDRAWCLIPPER iface
)
225 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
226 TRACE("(%p)->() incrementing from %lu.\n", This
, This
->ref
);
230 HRESULT WINAPI
Main_DirectDrawClipper_GetHWnd(
231 LPDIRECTDRAWCLIPPER iface
, HWND
* hWndPtr
233 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
234 FIXME("(%p)->(%p),stub!\n",This
,hWndPtr
);
236 *hWndPtr
= This
->hWnd
;
241 HRESULT WINAPI
Main_DirectDrawClipper_Initialize(
242 LPDIRECTDRAWCLIPPER iface
, LPDIRECTDRAW lpDD
, DWORD dwFlags
244 IDirectDrawImpl
* pOwner
;
245 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
246 FIXME("(%p)->(%p,0x%08lx),stub!\n",This
,lpDD
,dwFlags
);
248 if (This
->ddraw_owner
!= NULL
) return DDERR_ALREADYINITIALIZED
;
250 pOwner
= ICOM_OBJECT(IDirectDrawImpl
, IDirectDraw
, lpDD
);
251 This
->ddraw_owner
= pOwner
;
252 Main_DirectDraw_AddClipper(pOwner
, This
);
257 HRESULT WINAPI
Main_DirectDrawClipper_IsClipListChanged(
258 LPDIRECTDRAWCLIPPER iface
, BOOL
* lpbChanged
260 IDirectDrawClipperImpl
*This
= (IDirectDrawClipperImpl
*)iface
;
261 FIXME("(%p)->(%p),stub!\n",This
,lpbChanged
);
263 /* XXX What is safest? */
269 static IDirectDrawClipperVtbl DDRAW_Clipper_VTable
=
271 Main_DirectDrawClipper_QueryInterface
,
272 Main_DirectDrawClipper_AddRef
,
273 Main_DirectDrawClipper_Release
,
274 Main_DirectDrawClipper_GetClipList
,
275 Main_DirectDrawClipper_GetHWnd
,
276 Main_DirectDrawClipper_Initialize
,
277 Main_DirectDrawClipper_IsClipListChanged
,
278 Main_DirectDrawClipper_SetClipList
,
279 Main_DirectDrawClipper_SetHwnd