diff options
Diffstat (limited to 'libX11/src/xcms/LabGcC.c')
-rw-r--r-- | libX11/src/xcms/LabGcC.c | 254 |
1 files changed, 127 insertions, 127 deletions
diff --git a/libX11/src/xcms/LabGcC.c b/libX11/src/xcms/LabGcC.c index 84a20cc83..a5ec9f457 100644 --- a/libX11/src/xcms/LabGcC.c +++ b/libX11/src/xcms/LabGcC.c @@ -1,127 +1,127 @@ -
-/*
- * 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
- * CIELabGcC.c
- *
- * DESCRIPTION
- * Source for XcmsCIELabClipuv() gamut compression routine.
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "Xlibint.h"
-#include "Xcmsint.h"
-#include "Cv.h"
-
-
-/************************************************************************
- * *
- * PUBLIC ROUTINES *
- * *
- ************************************************************************/
-
-/*
- * NAME
- * XcmsCIELabClipab - Reduce the chroma for a hue and L*
- *
- * SYNOPSIS
- */
-/* ARGSUSED */
-Status
-XcmsCIELabClipab (
- XcmsCCC ccc,
- XcmsColor *pColors_in_out,
- unsigned int nColors,
- unsigned int i,
- Bool *pCompressed)
-/*
- * DESCRIPTION
- * Reduce the Chroma for a specific hue and chroma to
- * to bring the given color into the gamut of the
- * specified device. As required of gamut compression
- * functions, this routine returns pColor_in_out
- * in XcmsCIEXYZFormat on successful completion.
- *
- * Since this routine works with the L* within
- * pColor_in_out intermediate results may be returned
- * even though it may be invalid.
- *
- * RETURNS
- * XcmsFailure - Failure
- * XcmsSuccess - Succeeded
- *
- */
-{
- Status retval;
- XcmsColor *pColor;
-
- /*
- * Color specification passed as input can be assumed to:
- * 1. Be in XcmsCIEXYZFormat
- * 2. Already be white point adjusted for the Screen White Point.
- * This means that the white point now associated with this
- * color spec is the Screen White Point (even if the
- * ccc->clientWhitePt differs).
- */
-
- pColor = pColors_in_out + i;
-
- if (ccc->visual->class < PseudoColor) {
- /*
- * GRAY !
- */
- _XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
- 1, XcmsCIELabFormat);
- _XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
- 1, XcmsCIEXYZFormat);
- if (pCompressed) {
- *(pCompressed + i) = True;
- }
- return(XcmsSuccess);
- } else {
- if (pColor->format != XcmsCIELabFormat) {
- if (_XcmsDIConvertColors(ccc, pColor,
- &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIELabFormat)
- == XcmsFailure) {
- return(XcmsFailure);
- }
- }
- if (XcmsCIELabQueryMaxC(ccc,
- degrees(XCMS_CIELAB_PMETRIC_HUE(pColor->spec.CIELab.a_star,
- pColor->spec.CIELab.b_star)),
- pColor->spec.CIELab.L_star,
- pColor) == XcmsFailure) {
- return(XcmsFailure);
- }
- retval = _XcmsDIConvertColors(ccc, pColor,
- &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat);
- if (retval != XcmsFailure && pCompressed != NULL) {
- *(pCompressed + i) = True;
- }
- return(retval);
- }
-}
+ +/* + * 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 + * CIELabGcC.c + * + * DESCRIPTION + * Source for XcmsCIELabClipuv() gamut compression routine. + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xlibint.h" +#include "Xcmsint.h" +#include "Cv.h" + + +/************************************************************************ + * * + * PUBLIC ROUTINES * + * * + ************************************************************************/ + +/* + * NAME + * XcmsCIELabClipab - Reduce the chroma for a hue and L* + * + * SYNOPSIS + */ +/* ARGSUSED */ +Status +XcmsCIELabClipab ( + XcmsCCC ccc, + XcmsColor *pColors_in_out, + unsigned int nColors, + unsigned int i, + Bool *pCompressed) +/* + * DESCRIPTION + * Reduce the Chroma for a specific hue and chroma to + * to bring the given color into the gamut of the + * specified device. As required of gamut compression + * functions, this routine returns pColor_in_out + * in XcmsCIEXYZFormat on successful completion. + * + * Since this routine works with the L* within + * pColor_in_out intermediate results may be returned + * even though it may be invalid. + * + * RETURNS + * XcmsFailure - Failure + * XcmsSuccess - Succeeded + * + */ +{ + Status retval; + XcmsColor *pColor; + + /* + * Color specification passed as input can be assumed to: + * 1. Be in XcmsCIEXYZFormat + * 2. Already be white point adjusted for the Screen White Point. + * This means that the white point now associated with this + * color spec is the Screen White Point (even if the + * ccc->clientWhitePt differs). + */ + + pColor = pColors_in_out + i; + + if (ccc->visual->class < PseudoColor) { + /* + * GRAY ! + */ + _XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc), + 1, XcmsCIELabFormat); + _XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc), + 1, XcmsCIEXYZFormat); + if (pCompressed) { + *(pCompressed + i) = True; + } + return(XcmsSuccess); + } else { + if (pColor->format != XcmsCIELabFormat) { + if (_XcmsDIConvertColors(ccc, pColor, + &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIELabFormat) + == XcmsFailure) { + return(XcmsFailure); + } + } + if (XcmsCIELabQueryMaxC(ccc, + degrees(XCMS_CIELAB_PMETRIC_HUE(pColor->spec.CIELab.a_star, + pColor->spec.CIELab.b_star)), + pColor->spec.CIELab.L_star, + pColor) == XcmsFailure) { + return(XcmsFailure); + } + retval = _XcmsDIConvertColors(ccc, pColor, + &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat); + if (retval != XcmsFailure && pCompressed != NULL) { + *(pCompressed + i) = True; + } + return(retval); + } +} |