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#177 support 2 more clipper functions - GetClipList and SetClipList - clipping not supported yet in dd_blt!

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This commit is contained in:
FunkyFr3sh 2022-09-27 13:56:36 +02:00
parent 73e13dbe8c
commit 24f6a020d5
4 changed files with 70 additions and 8 deletions
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1
inc/IDirectDrawClipper.h
View File

@ -15,6 +15,7 @@ typedef struct IDirectDrawClipperImpl
ULONG ref;
HWND hwnd;
HRGN region;
} IDirectDrawClipperImpl;

2
inc/ddclipper.h
View File

@ -7,7 +7,9 @@
#include "IDirectDrawClipper.h"
HRESULT ddc_GetClipList(IDirectDrawClipperImpl* This, LPRECT lpRect, LPRGNDATA lpClipList, LPDWORD lpdwSiz);
HRESULT ddc_GetHWnd(IDirectDrawClipperImpl* This, HWND FAR* lphWnd);
HRESULT ddc_SetClipList(IDirectDrawClipperImpl* This, LPRGNDATA lpClipList, DWORD dwFlags);
HRESULT ddc_SetHWnd(IDirectDrawClipperImpl* This, DWORD dwFlags, HWND hWnd);
HRESULT dd_CreateClipper(DWORD dwFlags, IDirectDrawClipperImpl** lplpDDClipper, IUnknown FAR* pUnkOuter);

16
src/IDirectDraw/IDirectDrawClipper.c
View File

@ -42,16 +42,16 @@ HRESULT __stdcall IDirectDrawClipper__GetClipList(
LPDWORD lpdwSiz)
{
TRACE(
"NOT_IMPLEMENTED -> %s(This=%p, lpRect=%p, lpClipList=%p, lpdwSiz=%p)\n",
"-> %s(This=%p, lpRect=%p, lpClipList=%p, lpdwSiz=%p)\n",
__FUNCTION__,
This,
lpRect,
lpClipList,
lpdwSiz);
HRESULT ret = DDERR_NOCLIPLIST;
HRESULT ret = ddc_GetClipList(This, lpRect, lpClipList, lpdwSiz);
TRACE("NOT_IMPLEMENTED <- %s\n", __FUNCTION__);
TRACE("<- %s\n", __FUNCTION__);
return ret;
}
@ -65,9 +65,9 @@ HRESULT __stdcall IDirectDrawClipper__GetHWnd(IDirectDrawClipperImpl* This, HWND
HRESULT __stdcall IDirectDrawClipper__Initialize(IDirectDrawClipperImpl* This, LPDIRECTDRAW lpDD, DWORD dwFlags)
{
TRACE("NOT_IMPLEMENTED -> %s(This=%p)\n", __FUNCTION__, This);
TRACE("-> %s(This=%p)\n", __FUNCTION__, This);
HRESULT ret = DD_OK;
TRACE("NOT_IMPLEMENTED <- %s\n", __FUNCTION__);
TRACE("<- %s\n", __FUNCTION__);
return ret;
}
@ -81,9 +81,9 @@ HRESULT __stdcall IDirectDrawClipper__IsClipListChanged(IDirectDrawClipperImpl*
HRESULT __stdcall IDirectDrawClipper__SetClipList(IDirectDrawClipperImpl* This, LPRGNDATA lpClipList, DWORD dwFlags)
{
TRACE("NOT_IMPLEMENTED -> %s(This=%p, lpClipList=%p, dwFlags=%08X)\n", __FUNCTION__, This, lpClipList, dwFlags);
HRESULT ret = DD_OK;
TRACE("NOT_IMPLEMENTED <- %s\n", __FUNCTION__);
TRACE("-> %s(This=%p, lpClipList=%p, dwFlags=%08X)\n", __FUNCTION__, This, lpClipList, dwFlags);
HRESULT ret = ddc_SetClipList(This, lpClipList, dwFlags);
TRACE("<- %s\n", __FUNCTION__);
return ret;
}

59
src/ddclipper.c
View File

@ -5,6 +5,42 @@
#include "debug.h"
HRESULT ddc_GetClipList(IDirectDrawClipperImpl* This, LPRECT lpRect, LPRGNDATA lpClipList, LPDWORD lpdwSiz)
{
if (!This->region)
return DDERR_NOCLIPLIST;
if (!lpdwSiz)
return DDERR_INVALIDPARAMS;
HRGN region = NULL;
if (lpRect)
{
region = CreateRectRgnIndirect(lpRect);
if (!region)
return DDERR_INVALIDPARAMS;
if (CombineRgn(region, This->region, region, RGN_AND) == ERROR)
{
DeleteObject(region);
return DDERR_GENERIC;
}
}
else
{
region = This->region;
}
*lpdwSiz = GetRegionData(region, *lpdwSiz, lpClipList);
if (lpRect)
DeleteObject(region);
return DD_OK;
}
HRESULT ddc_GetHWnd(IDirectDrawClipperImpl* This, HWND FAR* lphWnd)
{
if (!lphWnd)
@ -15,6 +51,29 @@ HRESULT ddc_GetHWnd(IDirectDrawClipperImpl* This, HWND FAR* lphWnd)
return DD_OK;
}
HRESULT ddc_SetClipList(IDirectDrawClipperImpl* This, LPRGNDATA lpClipList, DWORD dwFlags)
{
if (This->hwnd)
return DDERR_CLIPPERISUSINGHWND;
if (This->region)
DeleteObject(This->region);
if (lpClipList)
{
This->region = ExtCreateRegion(NULL, 0, lpClipList);
if (!This->region)
return DDERR_INVALIDCLIPLIST;
}
else
{
This->region = NULL;
}
return DD_OK;
}
HRESULT ddc_SetHWnd(IDirectDrawClipperImpl* This, DWORD dwFlags, HWND hWnd)
{
This->hwnd = hWnd;