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surface_gamma.c

/*          DirectDrawGammaControl implementation
 *
 * Copyright 2001 TransGaming Technologies Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "config.h"
#include "winerror.h"

#include <assert.h>
#include <stdlib.h>

#include "wine/debug.h"
#include "ddraw_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(ddraw);

#define CONVERT(pddgc) COM_INTERFACE_CAST(IDirectDrawSurfaceImpl, \
                                IDirectDrawGammaControl,    \
                                IDirectDrawSurface7,        \
                                (pddgc))

static HRESULT WINAPI
DirectDrawGammaControl_QueryInterface(LPDIRECTDRAWGAMMACONTROL iface, REFIID riid,
                              LPVOID *ppObj)
{
    TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ppObj);
    return E_NOINTERFACE;
}

static ULONG WINAPI
DirectDrawGammaControl_AddRef(LPDIRECTDRAWGAMMACONTROL iface)
{
    return IDirectDrawSurface7_AddRef(CONVERT(iface));
}

static ULONG WINAPI
DirectDrawGammaControl_Release(LPDIRECTDRAWGAMMACONTROL iface)
{
    return IDirectDrawSurface7_Release(CONVERT(iface));
}

static HRESULT WINAPI
DirectDrawGammaControl_GetGammaRamp(LPDIRECTDRAWGAMMACONTROL iface, DWORD dwFlags, LPDDGAMMARAMP lpGammaRamp)
{
    ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
    TRACE("(%p)->(%08lx,%p)\n", iface,dwFlags,lpGammaRamp);
    return This->get_gamma_ramp(This, dwFlags, lpGammaRamp);
}

static HRESULT WINAPI
DirectDrawGammaControl_SetGammaRamp(LPDIRECTDRAWGAMMACONTROL iface, DWORD dwFlags, LPDDGAMMARAMP lpGammaRamp)
{
    ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
    TRACE("(%p)->(%08lx,%p)\n", iface,dwFlags,lpGammaRamp);
    return This->set_gamma_ramp(This, dwFlags, lpGammaRamp);
}

const IDirectDrawGammaControlVtbl DDRAW_IDDGC_VTable =
{
    DirectDrawGammaControl_QueryInterface,
    DirectDrawGammaControl_AddRef,
    DirectDrawGammaControl_Release,
    DirectDrawGammaControl_GetGammaRamp,
    DirectDrawGammaControl_SetGammaRamp
};

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