xref: /plan9-contrib/sys/src/cmd/gs/src/gsequivc.h (revision 593dc095aefb2a85c828727bbfa9da139a49bdf4)
1*593dc095SDavid du Colombier /* Copyright (C) 2004 Artifex Software Inc., artofcode LLC.  All rights reserved.
2*593dc095SDavid du Colombier 
3*593dc095SDavid du Colombier   This software is provided AS-IS with no warranty, either express or
4*593dc095SDavid du Colombier   implied.
5*593dc095SDavid du Colombier 
6*593dc095SDavid du Colombier   This software is distributed under license and may not be copied,
7*593dc095SDavid du Colombier   modified or distributed except as expressly authorized under the terms
8*593dc095SDavid du Colombier   of the license contained in the file LICENSE in this distribution.
9*593dc095SDavid du Colombier 
10*593dc095SDavid du Colombier   For more information about licensing, please refer to
11*593dc095SDavid du Colombier   http://www.ghostscript.com/licensing/. For information on
12*593dc095SDavid du Colombier   commercial licensing, go to http://www.artifex.com/licensing/ or
13*593dc095SDavid du Colombier   contact Artifex Software, Inc., 101 Lucas Valley Road #110,
14*593dc095SDavid du Colombier   San Rafael, CA  94903, U.S.A., +1(415)492-9861.
15*593dc095SDavid du Colombier */
16*593dc095SDavid du Colombier 
17*593dc095SDavid du Colombier /*$Id: gsequivc.h,v 1.2 2004/06/24 05:03:36 dan Exp $ */
18*593dc095SDavid du Colombier /* Header for routines for determining equivalent color for spot colors */
19*593dc095SDavid du Colombier 
20*593dc095SDavid du Colombier /* For more information, see comment at the start of src/gsequivc.c */
21*593dc095SDavid du Colombier 
22*593dc095SDavid du Colombier #ifndef gsequivc_INCLUDED
23*593dc095SDavid du Colombier # define gsequivc_INCLUDED
24*593dc095SDavid du Colombier 
25*593dc095SDavid du Colombier /*
26*593dc095SDavid du Colombier  * Structure for holding a CMYK color.
27*593dc095SDavid du Colombier  */
28*593dc095SDavid du Colombier typedef struct cmyk_color_s {
29*593dc095SDavid du Colombier     bool color_info_valid;
30*593dc095SDavid du Colombier     frac c;
31*593dc095SDavid du Colombier     frac m;
32*593dc095SDavid du Colombier     frac y;
33*593dc095SDavid du Colombier     frac k;
34*593dc095SDavid du Colombier } cmyk_color;
35*593dc095SDavid du Colombier 
36*593dc095SDavid du Colombier /*
37*593dc095SDavid du Colombier  * Structure for holding parameters for collecting the equivalent CMYK
38*593dc095SDavid du Colombier  * for a spot colorant.
39*593dc095SDavid du Colombier  */
40*593dc095SDavid du Colombier typedef struct equivalent_cmyk_color_params_s {
41*593dc095SDavid du Colombier     bool all_color_info_valid;
42*593dc095SDavid du Colombier     cmyk_color color[GX_DEVICE_MAX_SEPARATIONS];
43*593dc095SDavid du Colombier } equivalent_cmyk_color_params;
44*593dc095SDavid du Colombier 
45*593dc095SDavid du Colombier /* If possible, update the equivalent CMYK color for a spot color */
46*593dc095SDavid du Colombier void update_spot_equivalent_cmyk_colors(gx_device * pdev,
47*593dc095SDavid du Colombier 		const gs_state * pgs, gs_devn_params * pdevn_params,
48*593dc095SDavid du Colombier 		equivalent_cmyk_color_params * pparams);
49*593dc095SDavid du Colombier 
50*593dc095SDavid du Colombier #endif		/* define gsequivc_INCLUDED */
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