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Diffstat (limited to 'nx-X11/lib/X11/XYZ.c')
| -rw-r--r-- | nx-X11/lib/X11/XYZ.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/nx-X11/lib/X11/XYZ.c b/nx-X11/lib/X11/XYZ.c deleted file mode 100644 index 826565773..000000000 --- a/nx-X11/lib/X11/XYZ.c +++ /dev/null @@ -1,203 +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. 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 - * CIEXYZ.c - * - * DESCRIPTION - * CIE XYZ Color Space - * - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <nx-X11/Xos.h> -#include "Xlibint.h" -#include "Xcmsint.h" -#include "Cv.h" - -#include <stdio.h> /* sscanf */ - -/* - * DEFINES - * Internal definitions that need NOT be exported to any package - * or program using this package. - */ -#ifdef DBL_EPSILON -# define XMY_DBL_EPSILON DBL_EPSILON -#else -# define XMY_DBL_EPSILON 0.00001 -#endif - -/* - * FORWARD DECLARATIONS - */ -static int CIEXYZ_ParseString(register char *spec, XcmsColor *pColor); - -/* - * LOCALS VARIABLES - */ - -static XcmsConversionProc Fl_CIEXYZ_to_CIEXYZ[] = { - NULL -}; - - - -/* - * GLOBALS - * Variables declared in this package that are allowed - * to be used globally. - */ - /* - * CIE XYZ Color Space - */ -XcmsColorSpace XcmsCIEXYZColorSpace = - { - _XcmsCIEXYZ_prefix, /* prefix */ - XcmsCIEXYZFormat, /* id */ - CIEXYZ_ParseString, /* parseString */ - Fl_CIEXYZ_to_CIEXYZ, /* to_CIEXYZ */ - Fl_CIEXYZ_to_CIEXYZ, /* from_CIEXYZ */ - 1 - }; - - -/************************************************************************ - * * - * PRIVATE ROUTINES * - * * - ************************************************************************/ - -/* - * NAME - * CIEXYZ_ParseString - * - * SYNOPSIS - */ -static int -CIEXYZ_ParseString( - register char *spec, - XcmsColor *pColor) -/* - * DESCRIPTION - * This routines takes a string and attempts to convert - * it into a XcmsColor structure with XcmsCIEXYZFormat. - * The assumed CIEXYZ string syntax is: - * CIEXYZ:<X>/<Y>/<Z> - * Where X, Y, and Z are in string input format for floats - * consisting of: - * a. an optional sign - * b. a string of numbers possibly containing a decimal point, - * c. an optional exponent field containing an 'E' or 'e' - * followed by a possibly signed integer string. - * - * RETURNS - */ -{ - size_t n; - char *pchar; - - if ((pchar = strchr(spec, ':')) == NULL) { - return(XcmsFailure); - } - n = (size_t)(pchar - spec); - - /* - * Check for proper prefix. - */ - if (strncmp(spec, _XcmsCIEXYZ_prefix, n) != 0) { - return(XcmsFailure); - } - - /* - * Attempt to parse the value portion. - */ - if (sscanf(spec + n + 1, "%lf/%lf/%lf", - &pColor->spec.CIEXYZ.X, - &pColor->spec.CIEXYZ.Y, - &pColor->spec.CIEXYZ.Z) != 3) { - char *s; /* Maybe failed due to locale */ - int f; - if ((s = strdup(spec))) { - for (f = 0; s[f]; ++f) - if (s[f] == '.') - s[f] = ','; - else if (s[f] == ',') - s[f] = '.'; - if (sscanf(s + n + 1, "%lf/%lf/%lf", - &pColor->spec.CIEXYZ.X, - &pColor->spec.CIEXYZ.Y, - &pColor->spec.CIEXYZ.Z) != 3) { - free(s); - return(XcmsFailure); - } - free(s); - } else - return(XcmsFailure); - } - pColor->format = XcmsCIEXYZFormat; - pColor->pixel = 0; - return(_XcmsCIEXYZ_ValidSpec(pColor)); -} - - -/************************************************************************ - * * - * PUBLIC ROUTINES * - * * - ************************************************************************/ - -/* - * NAME - * XcmsCIELab_ValidSpec - * - * SYNOPSIS - */ -Status -_XcmsCIEXYZ_ValidSpec( - XcmsColor *pColor) -/* - * DESCRIPTION - * Checks if color specification valid for CIE XYZ - * - * RETURNS - * XcmsFailure if invalid, - * XcmsSuccess if valid. - * - */ -{ - if (pColor->format != XcmsCIEXYZFormat - || - (pColor->spec.CIEXYZ.Y < 0.0 - XMY_DBL_EPSILON) - || - (pColor->spec.CIEXYZ.Y > 1.0 + XMY_DBL_EPSILON)) { - return(XcmsFailure); - } - return(XcmsSuccess); -} |