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00001 /* $Id: clipper_main.c 36519 2008-09-25 19:26:09Z tkreuzer $
00002  *
00003  * COPYRIGHT:            See COPYING in the top level directory
00004  * PROJECT:              ReactOS DirectX
00005  * FILE:                 ddraw/clipper/clipper_stubs.c
00006  * PURPOSE:              IDirectDrawClipper Implementation
00007  * PROGRAMMER:           Maarten Bosma
00008  *
00009  */
00010 
00011 #include "rosdraw.h"
00012 
00013 HRESULT WINAPI
00014 DirectDrawClipper_QueryInterface (LPDIRECTDRAWCLIPPER iface,
00015                                 REFIID id,  LPVOID *obj)
00016 {
00017     if(!iface)
00018         return DDERR_INVALIDOBJECT;
00019 
00020     return E_NOINTERFACE;
00021 }
00022 
00023 HRESULT WINAPI
00024 DirectDrawClipper_Initialize (LPDIRECTDRAWCLIPPER iface,
00025                                LPDIRECTDRAW lpDD,  DWORD dwFlags)
00026 {
00027     LPDDRAWI_DDRAWCLIPPER_INT This = (LPDDRAWI_DDRAWCLIPPER_INT)iface;
00028     LPDDRAWI_DIRECTDRAW_INT DDraw = (LPDDRAWI_DIRECTDRAW_INT)lpDD;
00029 
00030     DX_WINDBG_trace();
00031 
00032     if(!This)
00033         return DDERR_INVALIDOBJECT;
00034 
00035     if(This->dwIntRefCnt)
00036         return DDERR_ALREADYINITIALIZED;
00037 
00038     This->lpVtbl = (LPVOID)&DirectDrawClipper_Vtable;
00039     This->dwIntRefCnt = 1;
00040 
00041     DxHeapMemAlloc(This->lpLcl, sizeof(DDRAWI_DDRAWCLIPPER_LCL));
00042     //This->lpLcl->lpClipMore
00043     This->lpLcl->lpDD_int = DDraw;
00044     This->lpLcl->lpGbl->dwRefCnt = 1;
00045     This->lpLcl->pAddrefedThisOwner = (IUnknown*)DDraw;
00046 
00047     // FIXME: Implement Linking and share global object
00048     DxHeapMemAlloc(This->lpLcl->lpGbl, sizeof(DDRAWI_DDRAWCLIPPER_GBL));
00049     This->lpLcl->lpGbl->dwProcessId = GetCurrentProcessId();
00050 
00051     return DD_OK;
00052 }
00053 
00054 ULONG WINAPI
00055 DirectDrawClipper_Release(LPDIRECTDRAWCLIPPER iface)
00056 {
00057     LPDDRAWI_DDRAWCLIPPER_INT This = (LPDDRAWI_DDRAWCLIPPER_INT)iface;
00058     if(!This)
00059         return DDERR_INVALIDOBJECT;
00060 
00061     DX_WINDBG_trace();
00062 
00063     if (iface!=NULL)
00064     {
00065         This->lpLcl->dwLocalRefCnt--;
00066         This->dwIntRefCnt--;
00067 
00068         if (This->lpLcl->lpGbl)
00069             This->lpLcl->lpGbl->dwRefCnt--;
00070     }
00071 
00072     return This->dwIntRefCnt;
00073 }
00074 
00075 ULONG WINAPI
00076 DirectDrawClipper_AddRef (LPDIRECTDRAWCLIPPER iface)
00077 {
00078     LPDDRAWI_DDRAWCLIPPER_INT This = (LPDDRAWI_DDRAWCLIPPER_INT)iface;
00079     if(!This)
00080         return DDERR_INVALIDOBJECT;
00081 
00082     DX_WINDBG_trace();
00083 
00084     if (iface!=NULL)
00085     {
00086         This->dwIntRefCnt++;
00087         This->lpLcl->dwLocalRefCnt++;
00088         if (This->lpLcl->lpGbl)
00089             This->lpLcl->lpGbl->dwRefCnt++;
00090     }
00091     return This->dwIntRefCnt;
00092 }
00093 
00094 HRESULT WINAPI
00095 DirectDrawClipper_SetHwnd( LPDIRECTDRAWCLIPPER iface,
00096                            DWORD dwFlags,
00097                            HWND hWnd)
00098 {
00099     LPDDRAWI_DDRAWCLIPPER_INT This = (LPDDRAWI_DDRAWCLIPPER_INT)iface;
00100 
00101     if(!This)
00102         return DDERR_INVALIDOBJECT;
00103 
00104     if(!IsWindow(hWnd))
00105         return DDERR_INVALIDPARAMS;
00106 
00107     // TODO: check flags
00108 
00109     This->lpLcl->lpGbl->hWnd = (ULONG_PTR)hWnd;
00110     This->lpLcl->lpGbl->dwFlags = dwFlags;
00111 
00112     return DD_OK;
00113 }
00114 
00115 HRESULT WINAPI
00116 DirectDrawClipper_GetHWnd( LPDIRECTDRAWCLIPPER iface,
00117                            HWND* hWndPtr)
00118 {
00119     LPDDRAWI_DDRAWCLIPPER_INT This = (LPDDRAWI_DDRAWCLIPPER_INT)iface;
00120 
00121     if(!This)
00122         return DDERR_INVALIDOBJECT;
00123 
00124     if(!hWndPtr)
00125         return DDERR_INVALIDPARAMS;
00126 
00127     *hWndPtr = (HWND)This->lpLcl->lpGbl->hWnd;
00128 
00129     return DD_OK;
00130 }
00131 
00132 IDirectDrawClipperVtbl DirectDrawClipper_Vtable =
00133 {
00134     DirectDrawClipper_QueryInterface,
00135     DirectDrawClipper_AddRef,
00136     DirectDrawClipper_Release,
00137     DirectDrawClipper_GetClipList,
00138     DirectDrawClipper_GetHWnd,
00139     DirectDrawClipper_Initialize,
00140     DirectDrawClipper_IsClipListChanged,
00141     DirectDrawClipper_SetClipList,
00142     DirectDrawClipper_SetHwnd
00143 };
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