dlls/ddraw/surface_gamma.c

   1 /*              DirectDrawGammaControl implementation
   2  *
   3  * Copyright 2001 TransGaming Technologies Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include "config.h"
  21 #include "winerror.h"
  22
  23 #include <assert.h>
  24 #include <stdlib.h>
  25
  26 #include "wine/debug.h"
  27 #include "ddraw_private.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  30
  31 #define CONVERT(pddgc) COM_INTERFACE_CAST(IDirectDrawSurfaceImpl,       \
  32                                           IDirectDrawGammaControl,      \
  33                                           IDirectDrawSurface7,          \
  34                                           (pddgc))
  35
  36 static HRESULT WINAPI
  37 DirectDrawGammaControl_QueryInterface(LPDIRECTDRAWGAMMACONTROL iface, REFIID riid,
  38                                       LPVOID *ppObj)
  39 {
  40     TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ppObj);
  41     return E_NOINTERFACE;
  42 }
  43
  44 static ULONG WINAPI
  45 DirectDrawGammaControl_AddRef(LPDIRECTDRAWGAMMACONTROL iface)
  46 {
  47     return IDirectDrawSurface7_AddRef(CONVERT(iface));
  48 }
  49
  50 static ULONG WINAPI
  51 DirectDrawGammaControl_Release(LPDIRECTDRAWGAMMACONTROL iface)
  52 {
  53     return IDirectDrawSurface7_Release(CONVERT(iface));
  54 }
  55
  56 static HRESULT WINAPI
  57 DirectDrawGammaControl_GetGammaRamp(LPDIRECTDRAWGAMMACONTROL iface, DWORD dwFlags, LPDDGAMMARAMP lpGammaRamp)
  58 {
  59     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
  60     TRACE("(%p)->(%08lx,%p)\n", iface,dwFlags,lpGammaRamp);
  61     return This->get_gamma_ramp(This, dwFlags, lpGammaRamp);
  62 }
  63
  64 static HRESULT WINAPI
  65 DirectDrawGammaControl_SetGammaRamp(LPDIRECTDRAWGAMMACONTROL iface, DWORD dwFlags, LPDDGAMMARAMP lpGammaRamp)
  66 {
  67     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
  68     TRACE("(%p)->(%08lx,%p)\n", iface,dwFlags,lpGammaRamp);
  69     return This->set_gamma_ramp(This, dwFlags, lpGammaRamp);
  70 }
  71
  72 const IDirectDrawGammaControlVtbl DDRAW_IDDGC_VTable =
  73 {
  74     DirectDrawGammaControl_QueryInterface,
  75     DirectDrawGammaControl_AddRef,
  76     DirectDrawGammaControl_Release,
  77     DirectDrawGammaControl_GetGammaRamp,
  78     DirectDrawGammaControl_SetGammaRamp
  79 };