3 * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
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.
14 * Tektronix makes no representation about the suitability of this software
15 * for any purpose. It is provided "as is" and with all faults.
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.
30 * This file contains routine(s) that support white point
31 * adjustment of color specifications in the CIE CIELuv.color
44 /************************************************************************
48 ************************************************************************/
52 * XcmsCIELuvWhiteShiftColors
57 XcmsCIELuvWhiteShiftColors(
59 XcmsColor *pWhitePtFrom,
60 XcmsColor *pWhitePtTo,
61 XcmsColorFormat destSpecFmt,
62 XcmsColor *pColors_in_out,
67 * Adjusts color specifications in an array of XcmsColor
68 * structures for white point differences.
71 * XcmsFailure if failed,
72 * XcmsSuccess if succeeded without gamut compression,
73 * XcmsSuccessWithCompression if succeeded with
77 if (pWhitePtFrom == NULL || pWhitePtTo == NULL || pColors_in_out == NULL) {
82 * Convert to CIELuv using pWhitePtFrom
83 * We can ignore return value for compression because we are converting
84 * to XcmsCIELuvFormat which is device-independent, not device-dependent.
86 if (_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtFrom,
87 nColors, XcmsCIELuvFormat, pCompressed) == XcmsFailure) {
92 * Convert from CIELuv to destSpecFmt using pWhitePtTo
94 return(_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtTo,
95 nColors, destSpecFmt, pCompressed));