/* * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc. * All Rights Reserved * * This file is a component of an X Window System-specific implementation * of Xcms based on the TekColor Color Management System. TekColor is a * trademark of Tektronix, Inc. The term "TekHVC" designates a particular * color space that is the subject of U.S. Patent No. 4,985,853 (equivalent * foreign patents pending). Permission is hereby granted to use, copy, * modify, sell, and otherwise distribute this software and its * documentation for any purpose and without fee, provided that: * * 1. This copyright, permission, and disclaimer notice is reproduced in * all copies of this software and any modification thereof and in * supporting documentation; * 2. Any color-handling application which displays TekHVC color * cooordinates identifies these as TekHVC color coordinates in any * interface that displays these coordinates and in any associated * documentation; * 3. The term "TekHVC" is always used, and is only used, in association * with the mathematical derivations of the TekHVC Color Space, * including those provided in this file and any equivalent pathways and * mathematical derivations, regardless of digital (e.g., floating point * or integer) representation. * * Tektronix makes no representation about the suitability of this software * for any purpose. It is provided "as is" and with all faults. * * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE, * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE. IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE. * * DESCRIPTION * TekHVCWpAj.c * * DESCRIPTION * This file contains routine(s) that support white point * adjustment of color specifications in the TekHVC color * space. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "Xlibint.h" #include "Xcmsint.h" #include "Cv.h" /************************************************************************ * * * PUBLIC ROUTINES * * * ************************************************************************/ /* * NAME * XcmsTekHVCWhiteShiftColors * * SYNOPSIS */ Status XcmsTekHVCWhiteShiftColors( XcmsCCC ccc, XcmsColor *pWhitePtFrom, XcmsColor *pWhitePtTo, XcmsColorFormat destSpecFmt, XcmsColor *pColors_in_out, unsigned int nColors, Bool *pCompressed) /* * DESCRIPTION * Convert color specifications in an array of XcmsColor structures * for differences in white points. * * RETURNS * XcmsFailure if failed, * XcmsSuccess if succeeded without gamut compression, * XcmsSuccessWithCompression if succeeded with * gamut compression. */ { if (pWhitePtFrom == NULL || pWhitePtTo == NULL || pColors_in_out == NULL) { return(XcmsFailure); } /* * Insure TekHVC installed */ if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) { return(XcmsFailure); } /* * Convert to TekHVC using pWhitePtFrom * We can ignore return value for compression because we are converting * to XcmsTekHVCFormat which is device-independent, not device-dependent. */ if (_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtFrom, nColors, XcmsTekHVCFormat, pCompressed) == XcmsFailure) { return(XcmsFailure); } /* * Convert from TekHVC to destSpecFmt using pWhitePtTo */ return(_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtTo, nColors, destSpecFmt, pCompressed)); }