SetCCC.c revision 61b2299d 
1/* $Xorg: SetCCC.c,v 1.3 2000/08/17 19:44:52 cpqbld Exp $ */
2
3/*
4 * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
5 * 	All Rights Reserved
6 *
7 * This file is a component of an X Window System-specific implementation
8 * of Xcms based on the TekColor Color Management System.  Permission is
9 * hereby granted to use, copy, modify, sell, and otherwise distribute this
10 * software and its documentation for any purpose and without fee, provided
11 * that this copyright, permission, and disclaimer notice is reproduced in
12 * all copies of this software and in supporting documentation.  TekColor
13 * is a trademark of Tektronix, Inc.
14 *
15 * Tektronix makes no representation about the suitability of this software
16 * for any purpose.  It is provided "as is" and with all faults.
17 *
18 * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
19 * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE.  IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
21 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
22 * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF
23 * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
24 * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.
25 *
26 *
27 *	NAME
28 *		XcmsSetCCC.c - Color Conversion Context Setting Routines
29 *
30 *	DESCRIPTION
31 *		Routines to set components of a Color Conversion
32 *		Context structure.
33 *
34 *
35 */
36/* $XFree86$ */
37
38#ifdef HAVE_CONFIG_H
39#include <config.h>
40#endif
41#include "Xlibint.h"
42#include "Xcms.h"
43
44
45
46/************************************************************************
47 *									*
48 *			PUBLIC INTERFACES				*
49 *									*
50 ************************************************************************/
51
52/*
53 *	NAME
54 *		XcmsSetWhitePoint
55 *
56 *	SYNOPSIS
57 */
58
59Status
60XcmsSetWhitePoint(
61    XcmsCCC ccc,
62    XcmsColor *pColor)
63/*
64 *	DESCRIPTION
65 *		Sets the Client White Point in the specified CCC.
66 *
67 *	RETURNS
68 *		Returns XcmsSuccess if succeeded; otherwise XcmsFailure.
69 *
70 */
71{
72    if (pColor == NULL || pColor->format == XcmsUndefinedFormat) {
73	ccc->clientWhitePt.format = XcmsUndefinedFormat;
74    } else if (pColor->format != XcmsCIEXYZFormat &&
75	    pColor->format != XcmsCIEuvYFormat &&
76	    pColor->format != XcmsCIExyYFormat) {
77	return(XcmsFailure);
78    } else {
79	memcpy((char *)&ccc->clientWhitePt, (char *)pColor, sizeof(XcmsColor));
80    }
81    return(XcmsSuccess);
82}
83
84
85/*
86 *	NAME
87 *		XcmsSetCompressionProc
88 *
89 *	SYNOPSIS
90 */
91
92XcmsCompressionProc
93XcmsSetCompressionProc(
94    XcmsCCC ccc,
95    XcmsCompressionProc compression_proc,
96    XPointer client_data)
97/*
98 *	DESCRIPTION
99 *		Set the specified CCC's compression function and client data.
100 *
101 *	RETURNS
102 *		Returns the old compression function.
103 *
104 */
105{
106    XcmsCompressionProc old = ccc->gamutCompProc;
107
108    ccc->gamutCompProc = compression_proc;
109    ccc->gamutCompClientData = client_data;
110    return(old);
111}
112
113
114/*
115 *	NAME
116 *		XcmsSetWhiteAdjustProc
117 *
118 *	SYNOPSIS
119 */
120
121XcmsWhiteAdjustProc
122XcmsSetWhiteAdjustProc(
123    XcmsCCC ccc,
124    XcmsWhiteAdjustProc white_adjust_proc,
125    XPointer client_data )
126/*
127 *	DESCRIPTION
128 *		Set the specified CCC's white_adjust function and client data.
129 *
130 *	RETURNS
131 *		Returns the old white_adjust function.
132 *
133 */
134{
135    XcmsWhiteAdjustProc old = ccc->whitePtAdjProc;
136
137    ccc->whitePtAdjProc = white_adjust_proc;
138    ccc->whitePtAdjClientData = client_data;
139    return(old);
140}
141