reactos/dll/directx/ddraw/Palette/palette.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS DirectX
* FILE: ddraw/Palette/palette.c
* PURPOSE: IDirectDrawPalette Implementation
* PROGRAMMER: J<EFBFBD>r<EFBFBD>me Gardou
*
*/
#include "rosdraw.h"
/*****************************************************************************
* IDirectDrawPalette::QueryInterface
*
* A usual QueryInterface implementation. Can only Query IUnknown and
* IDirectDrawPalette
*
* Params:
* refiid: The interface id queried for
* obj: Address to return the interface pointer at
*
* Returns:
* S_OK on success
* E_NOINTERFACE if the requested interface wasn't found
*****************************************************************************/
static HRESULT WINAPI
DirectDrawPalette_QueryInterface(IDirectDrawPalette *iface,
REFIID refiid,
void **obj)
{
if (IsEqualGUID(refiid, &IID_IUnknown)
|| IsEqualGUID(refiid, &IID_IDirectDrawPalette))
{
*obj = iface;
IDirectDrawPalette_AddRef(iface);
return S_OK;
}
else
{
*obj = NULL;
return E_NOINTERFACE;
}
}
/*****************************************************************************
* IDirectDrawPaletteImpl::AddRef
*
* Increases the refcount.
*
* Returns:
* The new refcount
*
*****************************************************************************/
static ULONG WINAPI
DirectDrawPalette_AddRef(IDirectDrawPalette *iface)
{
LPDDRAWI_DDRAWPALETTE_INT This = (LPDDRAWI_DDRAWPALETTE_INT)iface;
ULONG ref = 0;
_SEH2_TRY
{
ref = ++This->dwIntRefCnt;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
}
_SEH2_END
return ref;
}
/*****************************************************************************
* IDirectDrawPaletteImpl::Release
*
* Reduces the refcount. If the refcount falls to 0, the object is destroyed
*
* Returns:
* The new refcount
*
*****************************************************************************/
static ULONG WINAPI
DirectDrawPalette_Release(IDirectDrawPalette *iface)
{
LPDDRAWI_DDRAWPALETTE_INT This = (LPDDRAWI_DDRAWPALETTE_INT)iface;
ULONG ref = 0;
_SEH2_TRY
{
ref = --This->dwIntRefCnt;
if(ref == 0)
{
AcquireDDThreadLock();
if(((LPDDRAWI_DIRECTDRAW_INT)This->lpLcl->dwReserved1)->lpVtbl == &DirectDraw7_Vtable
|| ((LPDDRAWI_DIRECTDRAW_INT)This->lpLcl->dwReserved1)->lpVtbl == &DirectDraw4_Vtable)
Main_DirectDraw_Release((LPDDRAWI_DIRECTDRAW_INT)This->lpLcl->dwReserved1) ;
DxHeapMemFree(This); //HUGE FIXME!!!
ReleaseDDThreadLock();
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
}
_SEH2_END
return ref;
}
static HRESULT WINAPI
DirectDrawPalette_Initialize( LPDIRECTDRAWPALETTE iface,
LPDIRECTDRAW ddraw,
DWORD dwFlags,
LPPALETTEENTRY palent)
{
DX_WINDBG_trace();
DX_STUB;
}
static HRESULT WINAPI
DirectDrawPalette_GetEntries( LPDIRECTDRAWPALETTE iface,
DWORD dwFlags,
DWORD dwStart, DWORD dwCount,
LPPALETTEENTRY palent)
{
DX_WINDBG_trace();
DX_STUB;
}
static HRESULT WINAPI
DirectDrawPalette_SetEntries( LPDIRECTDRAWPALETTE iface,
DWORD dwFlags,
DWORD dwStart,
DWORD dwCount,
LPPALETTEENTRY palent)
{
DX_WINDBG_trace();
DX_STUB;
}
static HRESULT WINAPI
DirectDrawPalette_GetCaps( LPDIRECTDRAWPALETTE iface,
LPDWORD lpdwCaps)
{
DX_WINDBG_trace();
DX_STUB;
}
const IDirectDrawPaletteVtbl DirectDrawPalette_Vtable =
{
DirectDrawPalette_QueryInterface,
DirectDrawPalette_AddRef,
DirectDrawPalette_Release,
DirectDrawPalette_GetCaps,
DirectDrawPalette_GetEntries,
DirectDrawPalette_Initialize,
DirectDrawPalette_SetEntries
};