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https://github.com/FunkyFr3sh/cnc-ddraw.git
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123 lines
2.7 KiB
C
123 lines
2.7 KiB
C
#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include "IDirectDrawClipper.h"
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#include "ddclipper.h"
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#include "debug.h"
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HRESULT ddc_GetClipList(IDirectDrawClipperImpl* This, LPRECT lpRect, LPRGNDATA lpClipList, LPDWORD lpdwSiz)
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{
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return DDERR_NOCLIPLIST;
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/* Keep this commented out until we found a game that actually needs it
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if (!This->region)
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return DDERR_NOCLIPLIST;
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if (!lpdwSiz)
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return DDERR_INVALIDPARAMS;
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HRGN region = NULL;
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if (lpRect)
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{
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region = CreateRectRgnIndirect(lpRect);
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if (!region)
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return DDERR_INVALIDPARAMS;
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if (CombineRgn(region, This->region, region, RGN_AND) == ERROR)
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{
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DeleteObject(region);
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return DDERR_GENERIC;
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}
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}
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else
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{
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region = This->region;
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}
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*lpdwSiz = GetRegionData(region, *lpdwSiz, lpClipList);
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if (lpRect)
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DeleteObject(region);
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if (*lpdwSiz == 0)
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return DDERR_REGIONTOOSMALL;
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return DD_OK;
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*/
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}
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HRESULT ddc_GetHWnd(IDirectDrawClipperImpl* This, HWND FAR* lphWnd)
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{
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if (!lphWnd)
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return DDERR_INVALIDPARAMS;
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*lphWnd = This->hwnd;
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return DD_OK;
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}
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HRESULT ddc_IsClipListChanged(IDirectDrawClipperImpl* This, BOOL FAR* lpbChanged)
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{
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if (!lpbChanged)
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return DDERR_INVALIDPARAMS;
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*lpbChanged = FALSE; /* Always return FALSE - See ddc_SetHWnd for remarks */
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return DD_OK;
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}
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HRESULT ddc_SetClipList(IDirectDrawClipperImpl* This, LPRGNDATA lpClipList, DWORD dwFlags)
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{
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/* Keep this commented out until we found a game that actually needs it
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if (This->hwnd)
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return DDERR_CLIPPERISUSINGHWND;
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if (This->region)
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DeleteObject(This->region);
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if (lpClipList)
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{
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This->region = ExtCreateRegion(NULL, 0, lpClipList);
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if (!This->region)
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return DDERR_INVALIDCLIPLIST;
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}
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else
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{
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This->region = NULL;
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}
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*/
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return DD_OK;
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}
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HRESULT ddc_SetHWnd(IDirectDrawClipperImpl* This, DWORD dwFlags, HWND hWnd)
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{
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/*
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We don't use the regions from the hwnd here since everything is emulated and we need the entire
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emulated surface to be redrawn all the time
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*/
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This->hwnd = hWnd;
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return DD_OK;
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}
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HRESULT dd_CreateClipper(DWORD dwFlags, IDirectDrawClipperImpl** lplpDDClipper, IUnknown FAR* pUnkOuter)
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{
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if (!lplpDDClipper)
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return DDERR_INVALIDPARAMS;
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IDirectDrawClipperImpl* c =
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(IDirectDrawClipperImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawClipperImpl));
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TRACE(" clipper = %p\n", c);
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c->lpVtbl = &g_ddc_vtbl;
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IDirectDrawClipper_AddRef(c);
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*lplpDDClipper = c;
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return DD_OK;
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}
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