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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/epix/data_mask.cc
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+/*
+ * data_mask.cc -- ePiX::data_mask class
+ *
+ * This file is part of ePiX, a C++ library for creating high-quality
+ * figures in LaTeX
+ *
+ * Version 1.1.8
+ * Last Change: July 22, 2007
+ */
+
+/*
+ * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ * Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
+ * Department of Mathematics and Computer Science
+ * College of the Holy Cross
+ * Worcester, MA, 01610-2395, USA
+ */
+
+/*
+ * ePiX is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * ePiX is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ePiX; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include "functions.h"
+#include "interval.h"
+#include "data_mask.h"
+
+namespace ePiX {
+
+ double identity(double x) { return x; }
+
+ data_mask::data_mask(std::string arg)
+ : m_range(arg), m_filter(identity), m_reverse(false) { }
+
+ data_mask::data_mask(std::string arg, double f(double))
+ : m_range(arg), m_filter(f), m_reverse(false) { }
+
+
+ data_mask::data_mask(const interval& range)
+ : m_range(range), m_filter(identity), m_reverse(false) { }
+
+ data_mask::data_mask(const interval& range, double f(double))
+ : m_range(range), m_filter(f), m_reverse(false) { }
+
+ data_mask::data_mask(double arg1, double arg2)
+ : m_range(arg1, arg2), m_filter(identity), m_reverse(false) { }
+
+ data_mask::data_mask(double arg1, double arg2, double f(double))
+ : m_range(arg1, arg2), m_filter(f), m_reverse(false) { }
+
+ data_mask& data_mask::reverse()
+ {
+ m_reverse = !m_reverse;
+ return *this;
+ }
+
+ bool data_mask::masks(double x) const
+ {
+ bool masked(!m_range.contains(m_filter(x)));
+
+ if (m_reverse)
+ masked = !masked;
+
+ return masked;
+ }
+} // end of namespace