diff options
Diffstat (limited to 'libX11/src/xcms/LuvGcC.c')
| -rw-r--r-- | libX11/src/xcms/LuvGcC.c | 254 |
1 files changed, 127 insertions, 127 deletions
diff --git a/libX11/src/xcms/LuvGcC.c b/libX11/src/xcms/LuvGcC.c index cadf4a8b2..c760f0fbb 100644 --- a/libX11/src/xcms/LuvGcC.c +++ b/libX11/src/xcms/LuvGcC.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 - * CIELuvGcC.c - * - * DESCRIPTION - * Source for XcmsCIELuvClipuv() gamut compression routine. - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include "Xcmsint.h" -#include "Cv.h" - - -/************************************************************************ - * * - * PUBLIC ROUTINES * - * * - ************************************************************************/ - -/* - * NAME - * XcmsCIELuvClipuv - Reduce the chroma for a hue and L* - * - * SYNOPSIS - */ -/* ARGSUSED */ -Status -XcmsCIELuvClipuv ( - 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, XcmsCIELuvFormat); - _XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc), - 1, XcmsCIEXYZFormat); - if (pCompressed) { - *(pCompressed + i) = True; - } - return(XcmsSuccess); - } else { - if (pColor->format != XcmsCIELuvFormat) { - if (_XcmsDIConvertColors(ccc, pColor, - &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIELuvFormat) - == XcmsFailure) { - return(XcmsFailure); - } - } - if (XcmsCIELuvQueryMaxC(ccc, - degrees(XCMS_CIELUV_PMETRIC_HUE(pColor->spec.CIELuv.u_star, - pColor->spec.CIELuv.v_star)), - pColor->spec.CIELuv.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
+ * CIELuvGcC.c
+ *
+ * DESCRIPTION
+ * Source for XcmsCIELuvClipuv() gamut compression routine.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xcmsint.h"
+#include "Cv.h"
+
+
+/************************************************************************
+ * *
+ * PUBLIC ROUTINES *
+ * *
+ ************************************************************************/
+
+/*
+ * NAME
+ * XcmsCIELuvClipuv - Reduce the chroma for a hue and L*
+ *
+ * SYNOPSIS
+ */
+/* ARGSUSED */
+Status
+XcmsCIELuvClipuv (
+ 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, XcmsCIELuvFormat);
+ _XcmsDIConvertColors(ccc, pColor, ScreenWhitePointOfCCC(ccc),
+ 1, XcmsCIEXYZFormat);
+ if (pCompressed) {
+ *(pCompressed + i) = True;
+ }
+ return(XcmsSuccess);
+ } else {
+ if (pColor->format != XcmsCIELuvFormat) {
+ if (_XcmsDIConvertColors(ccc, pColor,
+ &ccc->pPerScrnInfo->screenWhitePt, 1, XcmsCIELuvFormat)
+ == XcmsFailure) {
+ return(XcmsFailure);
+ }
+ }
+ if (XcmsCIELuvQueryMaxC(ccc,
+ degrees(XCMS_CIELUV_PMETRIC_HUE(pColor->spec.CIELuv.u_star,
+ pColor->spec.CIELuv.v_star)),
+ pColor->spec.CIELuv.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);
+ }
+}
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