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Diffstat (limited to 'libX11/src/xcms/LabWpAj.c')
-rw-r--r-- | libX11/src/xcms/LabWpAj.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/libX11/src/xcms/LabWpAj.c b/libX11/src/xcms/LabWpAj.c new file mode 100644 index 000000000..3098a60c8 --- /dev/null +++ b/libX11/src/xcms/LabWpAj.c @@ -0,0 +1,99 @@ +/* $Xorg: LabWpAj.c,v 1.3 2000/08/17 19:44:40 cpqbld Exp $ */ + +/* + * 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. + */ +/* $XFree86$ */ + +#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)); +} |