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261 lines
7.9 KiB
C
261 lines
7.9 KiB
C
/* DirectDraw - IDirectPalette base interface
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*
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* Copyright 2006 Stefan Dösinger
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "winerror.h"
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#include "wine/debug.h"
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#define COBJMACROS
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#include <assert.h>
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#include <string.h>
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#include "ddraw_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
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/*****************************************************************************
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* IDirectDrawPalette::QueryInterface
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*
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* A usual QueryInterface implementation. Can only Query IUnknown and
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* IDirectDrawPalette
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*
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* Params:
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* refiid: The interface id queried for
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* obj: Address to return the interface pointer at
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*
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* Returns:
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* S_OK on success
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* E_NOINTERFACE if the requested interface wasn't found
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*****************************************************************************/
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static HRESULT WINAPI
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IDirectDrawPaletteImpl_QueryInterface(IDirectDrawPalette *iface,
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REFIID refiid,
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void **obj)
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{
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ICOM_THIS_FROM(IDirectDrawPaletteImpl, IDirectDrawPalette, iface);
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TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(refiid),obj);
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if (IsEqualGUID(refiid, &IID_IUnknown)
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|| IsEqualGUID(refiid, &IID_IDirectDrawPalette))
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{
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*obj = iface;
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IDirectDrawPalette_AddRef(iface);
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return S_OK;
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}
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else
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{
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*obj = NULL;
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return E_NOINTERFACE;
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}
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}
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/*****************************************************************************
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* IDirectDrawPaletteImpl::AddRef
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*
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* Increases the refcount.
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*
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* Returns:
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* The new refcount
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*
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*****************************************************************************/
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static ULONG WINAPI
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IDirectDrawPaletteImpl_AddRef(IDirectDrawPalette *iface)
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{
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ICOM_THIS_FROM(IDirectDrawPaletteImpl, IDirectDrawPalette, iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->() incrementing from %u.\n", This, ref - 1);
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return ref;
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}
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/*****************************************************************************
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* IDirectDrawPaletteImpl::Release
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*
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* Reduces the refcount. If the refcount falls to 0, the object is destroyed
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*
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* Returns:
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* The new refcount
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*
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*****************************************************************************/
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static ULONG WINAPI
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IDirectDrawPaletteImpl_Release(IDirectDrawPalette *iface)
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{
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ICOM_THIS_FROM(IDirectDrawPaletteImpl, IDirectDrawPalette, iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->() decrementing from %u.\n", This, ref + 1);
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if (ref == 0)
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{
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EnterCriticalSection(&ddraw_cs);
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IWineD3DPalette_Release(This->wineD3DPalette);
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if(This->ifaceToRelease)
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{
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IUnknown_Release(This->ifaceToRelease);
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}
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LeaveCriticalSection(&ddraw_cs);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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/*****************************************************************************
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* IDirectDrawPalette::Initialize
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*
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* Initializes the palette. As we start initialized, return
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* DDERR_ALREADYINITIALIZED
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*
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* Params:
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* DD: DirectDraw interface this palette is asigned to
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* Flags: Some flags, as usual
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* ColorTable: The startup color table
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*
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* Returns:
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* DDERR_ALREADYINITIALIZED
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*
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*****************************************************************************/
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static HRESULT WINAPI
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IDirectDrawPaletteImpl_Initialize(IDirectDrawPalette *iface,
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IDirectDraw *DD,
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DWORD Flags,
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PALETTEENTRY *ColorTable)
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{
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TRACE("(%p)->(%p,%x,%p)\n", iface, DD, Flags, ColorTable);
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return DDERR_ALREADYINITIALIZED;
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}
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/*****************************************************************************
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* IDirectDrawPalette::GetCaps
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*
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* Returns the palette description
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*
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* Params:
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* Caps: Address to store the caps at
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*
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* Returns:
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* D3D_OK on success
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* DDERR_INVALIDPARAMS if Caps is NULL
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* For more details, see IWineD3DPalette::GetCaps
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*
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*****************************************************************************/
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static HRESULT WINAPI
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IDirectDrawPaletteImpl_GetCaps(IDirectDrawPalette *iface,
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DWORD *Caps)
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{
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ICOM_THIS_FROM(IDirectDrawPaletteImpl, IDirectDrawPalette, iface);
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HRESULT hr;
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TRACE("(%p)->(%p): Relay\n", This, Caps);
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EnterCriticalSection(&ddraw_cs);
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hr = IWineD3DPalette_GetCaps(This->wineD3DPalette, Caps);
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LeaveCriticalSection(&ddraw_cs);
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return hr;
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}
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/*****************************************************************************
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* IDirectDrawPalette::SetEntries
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*
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* Sets the palette entries from a PALETTEENTRY structure. WineD3D takes
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* care for updating the surface.
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*
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* Params:
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* Flags: Flags, as usual
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* Start: First palette entry to set
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* Count: Number of entries to set
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* PalEnt: Source entries
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*
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* Returns:
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* D3D_OK on success
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* DDERR_INVALIDPARAMS if PalEnt is NULL
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* For details, see IWineD3DDevice::SetEntries
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*
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*****************************************************************************/
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static HRESULT WINAPI
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IDirectDrawPaletteImpl_SetEntries(IDirectDrawPalette *iface,
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DWORD Flags,
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DWORD Start,
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DWORD Count,
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PALETTEENTRY *PalEnt)
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{
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ICOM_THIS_FROM(IDirectDrawPaletteImpl, IDirectDrawPalette, iface);
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HRESULT hr;
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TRACE("(%p)->(%x,%d,%d,%p): Relay\n", This, Flags, Start, Count, PalEnt);
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if(!PalEnt)
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return DDERR_INVALIDPARAMS;
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EnterCriticalSection(&ddraw_cs);
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hr = IWineD3DPalette_SetEntries(This->wineD3DPalette, Flags, Start, Count, PalEnt);
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LeaveCriticalSection(&ddraw_cs);
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return hr;
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}
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/*****************************************************************************
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* IDirectDrawPalette::GetEntries
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*
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* Returns the entries stored in this interface.
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*
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* Params:
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* Flags: Flags :)
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* Start: First entry to return
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* Count: The number of entries to return
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* PalEnt: PALETTEENTRY structure to write the entries to
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*
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* Returns:
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* D3D_OK on success
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* DDERR_INVALIDPARAMS if PalEnt is NULL
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* For details, see IWineD3DDevice::SetEntries
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*
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*****************************************************************************/
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static HRESULT WINAPI
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IDirectDrawPaletteImpl_GetEntries(IDirectDrawPalette *iface,
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DWORD Flags,
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DWORD Start,
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DWORD Count,
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PALETTEENTRY *PalEnt)
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{
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ICOM_THIS_FROM(IDirectDrawPaletteImpl, IDirectDrawPalette, iface);
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HRESULT hr;
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TRACE("(%p)->(%x,%d,%d,%p): Relay\n", This, Flags, Start, Count, PalEnt);
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if(!PalEnt)
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return DDERR_INVALIDPARAMS;
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EnterCriticalSection(&ddraw_cs);
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hr = IWineD3DPalette_GetEntries(This->wineD3DPalette, Flags, Start, Count, PalEnt);
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LeaveCriticalSection(&ddraw_cs);
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return hr;
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}
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const IDirectDrawPaletteVtbl IDirectDrawPalette_Vtbl =
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{
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/*** IUnknown ***/
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IDirectDrawPaletteImpl_QueryInterface,
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IDirectDrawPaletteImpl_AddRef,
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IDirectDrawPaletteImpl_Release,
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/*** IDirectDrawPalette ***/
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IDirectDrawPaletteImpl_GetCaps,
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IDirectDrawPaletteImpl_GetEntries,
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IDirectDrawPaletteImpl_Initialize,
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IDirectDrawPaletteImpl_SetEntries
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};
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