1 /* Copyright (C) 2001-2019 Artifex Software, Inc.
2    All Rights Reserved.
3 
4    This software is provided AS-IS with no warranty, either express or
5    implied.
6 
7    This software is distributed under license and may not be copied,
8    modified or distributed except as expressly authorized under the terms
9    of the license contained in the file LICENSE in this distribution.
10 
11    Refer to licensing information at http://www.artifex.com or contact
12    Artifex Software, Inc.,  1305 Grant Avenue - Suite 200, Novato,
13    CA 94945, U.S.A., +1(415)492-9861, for further information.
14 */
15 
16 
17 /* Internal device color conversion interfaces */
18 
19 #ifndef gxdcconv_INCLUDED
20 #  define gxdcconv_INCLUDED
21 
22 #include "std.h"
23 #include "gxfrac.h"
24 #include "gsgstate.h"
25 
26 /* Color space conversion routines */
27 frac color_rgb_to_gray(frac r, frac g, frac b,
28                        const gs_gstate * pgs);
29 void color_rgb_to_cmyk(frac r, frac g, frac b,
30                        const gs_gstate * pgs, frac cmyk[4],
31                        gs_memory_t * mem);
32 frac color_cmyk_to_gray(frac c, frac m, frac y, frac k,
33                         const gs_gstate * pgs);
34 void color_cmyk_to_rgb(frac c, frac m, frac y, frac k,
35                        const gs_gstate * pgs, frac rgb[3],
36                        gs_memory_t * mem);
37 
38 #endif /* gxdcconv_INCLUDED */
39