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Diffstat (limited to 'nx-X11/lib/X11/HVCGcC.c')
| -rw-r--r-- | nx-X11/lib/X11/HVCGcC.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/nx-X11/lib/X11/HVCGcC.c b/nx-X11/lib/X11/HVCGcC.c deleted file mode 100644 index 6d52eac63..000000000 --- a/nx-X11/lib/X11/HVCGcC.c +++ /dev/null @@ -1,149 +0,0 @@ - -/* - * 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. - * - * NAME - * TekHVCGcC.c - * - * DESCRIPTION - * Source for XcmsTekHVCClipC() gamut compression routine. - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include "Xcmsint.h" -#include "Cv.h" - - -/************************************************************************ - * * - * PUBLIC ROUTINES * - * * - ************************************************************************/ - -/* - * NAME - * XcmsTekHVCClipC - Reduce the chroma for a hue and value - * - * SYNOPSIS - */ -/* ARGSUSED */ -Status -XcmsTekHVCClipC ( - XcmsCCC ccc, - XcmsColor *pColors_in_out, - unsigned int nColors, - unsigned int i, - Bool *pCompressed) -/* - * DESCRIPTION - * Reduce the Chroma for a specific hue and value to - * to bring the given color into the gamut of the - * specified device. As required of gamut compression - * functions in Xcms, this routine returns pColor_in_out - * in XcmsCIEXYZFormat on successful completion. - * - * Since this routine works with the value 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). - */ - - /* - * Insure TekHVC installed - */ - if (XcmsAddColorSpace(&XcmsTekHVCColorSpace) == XcmsFailure) { - return(XcmsFailure); - } - - pColor = pColors_in_out + i; - - if (ccc->visual->class < StaticColor && - FunctionSetOfCCC(ccc) != (XPointer) &XcmsLinearRGBFunctionSet) { - /* - * GRAY ! - */ - _XcmsDIConvertColors(ccc, pColor, &ccc->pPerScrnInfo->screenWhitePt, - 1, XcmsTekHVCFormat); - pColor->spec.TekHVC.H = pColor->spec.TekHVC.C = 0.0; - _XcmsDIConvertColors(ccc, pColor, &ccc->pPerScrnInfo->screenWhitePt, - 1, XcmsCIEXYZFormat); - if (pCompressed) { - *(pCompressed + i) = True; - } - return(XcmsSuccess); - } else { - if (pColor->format != XcmsTekHVCFormat) { - if (_XcmsDIConvertColors(ccc, pColor, - &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsTekHVCFormat) - == XcmsFailure) { - return(XcmsFailure); - } - } - if (XcmsTekHVCQueryMaxC(ccc, - pColor->spec.TekHVC.H, - pColor->spec.TekHVC.V, - pColor) - == XcmsFailure) { - return(XcmsFailure); - } - retval = _XcmsDIConvertColors(ccc, pColor, - &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIEXYZFormat); - if (retval != XcmsFailure && pCompressed != NULL) { - *(pCompressed + i) = True; - } - return(retval); - } -} |