mirror of
https://github.com/Stichting-MINIX-Research-Foundation/xsrc.git
synced 2025-09-12 06:07:40 -04:00
98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/* $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: xc/lib/X11/LabWpAj.c,v 1.2 2003/04/13 19:22:16 dawes Exp $ */
|
||
|
||
#include "Xlibint.h"
|
||
#include "Xcmsint.h"
|
||
#include "Cv.h"
|
||
|
||
/*
|
||
* EXTERNS
|
||
*/
|
||
|
||
|
||
/************************************************************************
|
||
* *
|
||
* PUBLIC ROUTINES *
|
||
* *
|
||
************************************************************************/
|
||
|
||
/*
|
||
* NAME
|
||
* XcmsCIELabWhiteShiftColors
|
||
*
|
||
* SYNOPSIS
|
||
*/
|
||
Status
|
||
XcmsCIELabWhiteShiftColors(ccc, pWhitePtFrom, pWhitePtTo, destSpecFmt,
|
||
pColors_in_out, nColors, pCompressed)
|
||
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));
|
||
}
|