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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2017-07-21 12:31:09 +0200
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2017-08-25 10:06:49 +0200
commitc350873c7c977efe5210484f04160be45f84ba7e (patch)
tree717d33eb315f4def1307d65108d14715696cd5cf /nx-X11/lib/X11/XYZ.c
parent1472e7e37838f17b7ed948fa206e8c3434a9d346 (diff)
downloadnx-libs-c350873c7c977efe5210484f04160be45f84ba7e.tar.gz
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Convert nx-X11/lib/ build flow from imake to autotools.
Diffstat (limited to 'nx-X11/lib/X11/XYZ.c')
-rw-r--r--nx-X11/lib/X11/XYZ.c203
1 files changed, 0 insertions, 203 deletions
diff --git a/nx-X11/lib/X11/XYZ.c b/nx-X11/lib/X11/XYZ.c
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-
-/*
- * 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);
-}