/* * 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. 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 this copyright, permission, and disclaimer notice is reproduced in * all copies of this software and in supporting documentation. TekColor * is a trademark of Tektronix, Inc. * * 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. * * * NAME * CIELabWpAj.c * * DESCRIPTION * This file contains routine(s) that support white point * adjustment of color specifications in the CIE L*a*b* color * space. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "Xlibint.h" #include "Xcmsint.h" #include "Cv.h" /* * EXTERNS */ /************************************************************************ * * * PUBLIC ROUTINES * * * ************************************************************************/ /* * NAME * XcmsCIELabWhiteShiftColors * * SYNOPSIS */ Status XcmsCIELabWhiteShiftColors( XcmsCCC ccc, XcmsColor *pWhitePtFrom, XcmsColor *pWhitePtTo, XcmsColorFormat destSpecFmt, XcmsColor *pColors_in_out, unsigned int nColors, Bool *pCompressed) /* * DESCRIPTION * Adjust color specifications in 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(0); } /* * Convert to CIELab using pWhitePtFrom */ if (_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtFrom, nColors, XcmsCIELabFormat, pCompressed) == XcmsFailure) { return(XcmsFailure); } /* * Convert from CIELab to destSpecFmt using pWhitePtTo */ return(_XcmsConvertColorsWithWhitePt(ccc, pColors_in_out, pWhitePtTo, nColors, destSpecFmt, pCompressed)); }