1 
2 /*
3  * Copyright (c) 1998-2001 by The XFree86 Project, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Except as contained in this notice, the name of the copyright holder(s)
24  * and author(s) shall not be used in advertising or otherwise to promote
25  * the sale, use or other dealings in this Software without prior written
26  * authorization from the copyright holder(s) and author(s).
27  */
28 
29 #ifndef _XF86CMAP_H
30 #define _XF86CMAP_H
31 
32 #include "xf86str.h"
33 #include "colormapst.h"
34 
35 #define CMAP_PALETTED_TRUECOLOR		0x0000001
36 #define CMAP_RELOAD_ON_MODE_SWITCH	0x0000002
37 #define CMAP_LOAD_EVEN_IF_OFFSCREEN	0x0000004
38 
39 extern _X_EXPORT Bool xf86HandleColormaps(ScreenPtr pScreen,
40                                           int maxCol,
41                                           int sigRGBbits,
42                                           xf86LoadPaletteProc * loadPalette,
43                                           xf86SetOverscanProc * setOverscan,
44                                           unsigned int flags);
45 
46 extern _X_EXPORT Bool xf86ColormapAllocatePrivates(ScrnInfoPtr pScrn);
47 
48 extern _X_EXPORT int
49  xf86ChangeGamma(ScreenPtr pScreen, Gamma newGamma);
50 
51 extern _X_EXPORT int
52 
53 xf86ChangeGammaRamp(ScreenPtr pScreen,
54                     int size,
55                     unsigned short *red,
56                     unsigned short *green, unsigned short *blue);
57 
58 extern _X_EXPORT int xf86GetGammaRampSize(ScreenPtr pScreen);
59 
60 extern _X_EXPORT int
61 
62 xf86GetGammaRamp(ScreenPtr pScreen,
63                  int size,
64                  unsigned short *red,
65                  unsigned short *green, unsigned short *blue);
66 
67 #endif                          /* _XF86CMAP_H */
68