QBlue.c revision 61b2299d
1/* $Xorg: QBlue.c,v 1.3 2000/08/17 19:44:49 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 *		XcmsQBlue.c - Query Blue
29 *
30 *	DESCRIPTION
31 *		Routine to obtain a color specification for full
32 *		blue intensity and zero red and green intensities.
33 *
34 *
35 */
36
37#ifdef HAVE_CONFIG_H
38#include <config.h>
39#endif
40#include "Xlibint.h"
41#include "Xcms.h"
42
43
44
45/************************************************************************
46 *									*
47 *			PUBLIC INTERFACES				*
48 *									*
49 ************************************************************************/
50
51/*
52 *	NAME
53 *		XcmsQueryBlue
54 *
55 *	SYNOPSIS
56 */
57
58Status
59XcmsQueryBlue(
60    XcmsCCC ccc,
61    XcmsColorFormat target_format,
62    XcmsColor *pColor_ret)
63/*
64 *	DESCRIPTION
65 *		Returns the color specification in the target format for
66 *		full intensity blue and zero intensity red and green.
67 *
68 *	RETURNS
69 *		Returns XcmsSuccess, if failed; otherwise XcmsFailure
70 *
71 */
72{
73    XcmsColor tmp;
74
75    tmp.format = XcmsRGBiFormat;
76    tmp.pixel = 0;
77    tmp.spec.RGBi.red = 0.0;
78    tmp.spec.RGBi.green = 0.0;
79    tmp.spec.RGBi.blue = 1.0;
80    if (XcmsConvertColors(ccc, &tmp, 1, target_format, NULL) != XcmsSuccess) {
81	return(XcmsFailure);
82    }
83    memcpy((char *)pColor_ret, (char *)&tmp, sizeof(XcmsColor));
84    return(XcmsSuccess);
85}
86