user32: Fixed some minor glitches in oic_winlogo.ico.
[wine] / dlls / ddraw / gamma.c
1 /* DirectDrawGammaControl implementation
2  *
3  * Copyright 2001 TransGaming Technologies Inc.
4  * Copyright 2006 Stefan Dösinger
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #include "config.h"
22 #include "wine/port.h"
23 #include "wine/debug.h"
24
25 #include <assert.h>
26 #include <stdarg.h>
27 #include <string.h>
28 #include <stdlib.h>
29
30 #define COBJMACROS
31
32 #include "windef.h"
33 #include "winbase.h"
34 #include "winerror.h"
35 #include "wingdi.h"
36 #include "wine/exception.h"
37
38 #include "ddraw.h"
39 #include "d3d.h"
40
41 #include "ddraw_private.h"
42
43 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
44 WINE_DECLARE_DEBUG_CHANNEL(ddraw_thunk);
45
46 static inline IDirectDrawSurfaceImpl *surface_from_gamma_control(IDirectDrawGammaControl *iface)
47 {
48     return (IDirectDrawSurfaceImpl *)((char*)iface
49             - FIELD_OFFSET(IDirectDrawSurfaceImpl, IDirectDrawGammaControl_vtbl));
50 }
51
52 /**********************************************************
53  * IUnknown parts follow
54  **********************************************************/
55
56 /**********************************************************
57  * IDirectDrawGammaControl::QueryInterface
58  *
59  * QueryInterface, thunks to IDirectDrawSurface
60  *
61  * Params:
62  *  riid: Interface id queried for
63  *  obj: Returns the interface pointer
64  *
65  * Returns:
66  *  S_OK or E_NOINTERFACE: See IDirectDrawSurface7::QueryInterface
67  *
68  **********************************************************/
69 static HRESULT WINAPI
70 IDirectDrawGammaControlImpl_QueryInterface(IDirectDrawGammaControl *iface, REFIID riid,
71                                            void **obj)
72 {
73     IDirectDrawSurfaceImpl *This = surface_from_gamma_control(iface);
74     TRACE_(ddraw_thunk)("(%p)->(%s,%p): Thunking to IDirectDrawSurface7\n", This, debugstr_guid(riid), obj);
75
76     return IDirectDrawSurface7_QueryInterface((IDirectDrawSurface7 *)This, riid, obj);
77 }
78
79 /**********************************************************
80  * IDirectDrawGammaControl::AddRef
81  *
82  * Addref, thunks to IDirectDrawSurface
83  *
84  * Returns:
85  *  The new refcount
86  *
87  **********************************************************/
88 static ULONG WINAPI
89 IDirectDrawGammaControlImpl_AddRef(IDirectDrawGammaControl *iface)
90 {
91     IDirectDrawSurfaceImpl *This = surface_from_gamma_control(iface);
92     TRACE_(ddraw_thunk)("(%p)->() Thunking to IDirectDrawSurface7\n", This);
93
94     return IDirectDrawSurface7_AddRef((IDirectDrawSurface7 *)This);
95 }
96
97 /**********************************************************
98  * IDirectDrawGammaControl::Release
99  *
100  * Release, thunks to IDirectDrawSurface
101  *
102  * Returns:
103  *  The new refcount
104  *
105  **********************************************************/
106 static ULONG WINAPI
107 IDirectDrawGammaControlImpl_Release(IDirectDrawGammaControl *iface)
108 {
109     IDirectDrawSurfaceImpl *This = surface_from_gamma_control(iface);
110     TRACE_(ddraw_thunk)("(%p)->() Thunking to IDirectDrawSurface7\n", This);
111
112     return IDirectDrawSurface7_Release((IDirectDrawSurface7 *)This);
113 }
114
115 /**********************************************************
116  * IDirectDrawGammaControl
117  **********************************************************/
118
119 /**********************************************************
120  * IDirectDrawGammaControl::GetGammaRamp
121  *
122  * Returns the current gamma ramp for a surface
123  *
124  * Params:
125  *  Flags: Ignored
126  *  GammaRamp: Address to write the ramp to
127  *
128  * Returns:
129  *  DD_OK on success
130  *  DDERR_INVALIDPARAMS if GammaRamp is NULL
131  *
132  **********************************************************/
133 static HRESULT WINAPI
134 IDirectDrawGammaControlImpl_GetGammaRamp(IDirectDrawGammaControl *iface,
135                                          DWORD Flags,
136                                          DDGAMMARAMP *GammaRamp)
137 {
138     IDirectDrawSurfaceImpl *This = surface_from_gamma_control(iface);
139     TRACE("(%p)->(%08x,%p)\n", This,Flags,GammaRamp);
140
141     /* This looks sane */
142     if(!GammaRamp)
143     {
144         ERR("(%p) GammaRamp is NULL, returning DDERR_INVALIDPARAMS\n", This);
145         return DDERR_INVALIDPARAMS;
146     }
147
148     EnterCriticalSection(&ddraw_cs);
149     if(This->surface_desc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
150     {
151         /* Note: DDGAMMARAMP is compatible with WINED3DGAMMARAMP */
152         IWineD3DDevice_GetGammaRamp(This->ddraw->wineD3DDevice,
153                                     0 /* Swapchain */,
154                                     (WINED3DGAMMARAMP *) GammaRamp);
155     }
156     else
157     {
158         ERR("(%p) Unimplemented for non-primary surfaces\n", This);
159     }
160     LeaveCriticalSection(&ddraw_cs);
161
162     return DD_OK;
163 }
164
165 /**********************************************************
166  * IDirectDrawGammaControl::SetGammaRamp
167  *
168  * Sets the red, green and blue gamma ramps for
169  *
170  * Params:
171  *  Flags: Can be DDSGR_CALIBRATE to request calibration
172  *  GammaRamp: Structure containing the new gamma ramp
173  *
174  * Returns:
175  *  DD_OK on success
176  *  DDERR_INVALIDPARAMS if GammaRamp is NULL
177  *
178  **********************************************************/
179 static HRESULT WINAPI
180 IDirectDrawGammaControlImpl_SetGammaRamp(IDirectDrawGammaControl *iface,
181                                          DWORD Flags,
182                                          DDGAMMARAMP *GammaRamp)
183 {
184     IDirectDrawSurfaceImpl *This = surface_from_gamma_control(iface);
185     TRACE("(%p)->(%08x,%p)\n", This,Flags,GammaRamp);
186
187     /* This looks sane */
188     if(!GammaRamp)
189     {
190         ERR("(%p) GammaRamp is NULL, returning DDERR_INVALIDPARAMS\n", This);
191         return DDERR_INVALIDPARAMS;
192     }
193
194     EnterCriticalSection(&ddraw_cs);
195     if(This->surface_desc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
196     {
197
198         /* Note: DDGAMMARAMP is compatible with WINED3DGAMMARAMP */
199         IWineD3DDevice_SetGammaRamp(This->ddraw->wineD3DDevice,
200                                     0 /* Swapchain */,
201                                     Flags,
202                                     (WINED3DGAMMARAMP *) GammaRamp);
203     }
204     else
205     {
206         ERR("(%p) Unimplemented for non-primary surfaces\n", This);
207     }
208     LeaveCriticalSection(&ddraw_cs);
209
210     return DD_OK;
211 }
212
213 const IDirectDrawGammaControlVtbl IDirectDrawGammaControl_Vtbl =
214 {
215     IDirectDrawGammaControlImpl_QueryInterface,
216     IDirectDrawGammaControlImpl_AddRef,
217     IDirectDrawGammaControlImpl_Release,
218     IDirectDrawGammaControlImpl_GetGammaRamp,
219     IDirectDrawGammaControlImpl_SetGammaRamp
220 };