1
2/*
3 * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
4 * 	All Rights Reserved
5 *
6 * This file is a component of an X Window System-specific implementation
7 * of Xcms based on the TekColor Color Management System.  Permission is
8 * hereby granted to use, copy, modify, sell, and otherwise distribute this
9 * software and its documentation for any purpose and without fee, provided
10 * that this copyright, permission, and disclaimer notice is reproduced in
11 * all copies of this software and in supporting documentation.  TekColor
12 * is a trademark of Tektronix, Inc.
13 *
14 * Tektronix makes no representation about the suitability of this software
15 * for any purpose.  It is provided "as is" and with all faults.
16 *
17 * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
18 * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
19 * PARTICULAR PURPOSE.  IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
20 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
21 * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF
22 * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
23 * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.
24 *
25 *
26 *	NAME
27 *		XcmsStCols.c
28 *
29 *	DESCRIPTION
30 *		Source for XcmsStoreColors
31 *
32 *
33 */
34
35#ifdef HAVE_CONFIG_H
36#include <config.h>
37#endif
38#include "Xlibint.h"
39#include "Xcmsint.h"
40#include "Cv.h"
41#include "reallocarray.h"
42
43
44/************************************************************************
45 *									*
46 *			PUBLIC ROUTINES					*
47 *									*
48 ************************************************************************/
49
50/*
51 *	NAME
52 *		XcmsStoreColors - Store Colors
53 *
54 *	SYNOPSIS
55 */
56Status
57XcmsStoreColors(
58    Display *dpy,
59    Colormap colormap,
60    XcmsColor *pColors_in,
61    unsigned int nColors,
62    Bool *pCompressed)
63/*
64 *	DESCRIPTION
65 *		Given device-dependent or device-independent color
66 *		specifications, this routine will convert them to X RGB
67 *		values then use it in a call to XStoreColors.
68 *
69 *	RETURNS
70 *		XcmsFailure if failed;
71 *		XcmsSuccess if it succeeded without gamut compression;
72 *		XcmsSuccessWithCompression if it succeeded with gamut
73 *			compression;
74 *
75 *		Since XStoreColors has no return value, this routine
76 *		does not return color specifications of the colors actually
77 *		stored.
78 */
79{
80    XcmsColor Color1;
81    XcmsColor *pColors_tmp;
82    Status retval;
83
84    /*
85     * Make copy of array of color specifications so we don't
86     * overwrite the contents.
87     */
88    if (nColors > 1) {
89	pColors_tmp = Xmallocarray(nColors, sizeof(XcmsColor));
90	if (pColors_tmp == NULL)
91	    return(XcmsFailure);
92    } else {
93	pColors_tmp = &Color1;
94    }
95    memcpy((char *)pColors_tmp, (char *)pColors_in,
96 	    nColors * sizeof(XcmsColor));
97
98    /*
99     * Call routine to store colors using the copied color structures
100     */
101    retval = _XcmsSetGetColors (XStoreColors, dpy, colormap,
102	    pColors_tmp, nColors, XcmsRGBFormat, pCompressed);
103
104    /*
105     * Free copies as needed.
106     */
107    if (nColors > 1) {
108	Xfree(pColors_tmp);
109    }
110
111    /*
112     * Ah, finally return.
113     */
114    return(retval);
115}
116