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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/legend.h
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+/*
+ * legend.h -- Plot/figure legend class
+ *
+ * This file is part of ePiX, a C++ library for creating high-quality
+ * figures in LaTeX
+ *
+ * Version 1.1.11
+ * Last Change: August 16, 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
+ */
+#ifndef EPIX_LEGEND
+#define EPIX_LEGEND
+
+#include <string>
+
+#include "enums.h"
+
+#include "Color.h"
+
+namespace ePiX {
+
+ class legend_item;
+ class P;
+
+ class legend {
+ public:
+ legend();
+
+ legend(const legend&);
+
+ legend& operator=(const legend&);
+
+ ~legend();
+
+ // add items; get key style from drawing state
+ legend& fill_item(const std::string&); // solid color
+ legend& path_item(const std::string&); // line
+ legend& mark_item(epix_mark_type, const std::string&); // marker
+
+ // decorations
+ legend& backing(const Color&);
+ legend& border(const Color&, double);
+ legend& border(double); // line width in pt
+
+ // item attributes
+ legend& item_border(const Color&, double);
+ legend& item_border(double);
+
+ legend& label_skip(double); //
+ legend& key_size(double); // size of legend keys in pt
+
+ void draw(const P& loc, const P& offset=P(0,0),
+ epix_label_posn align=tr) const;
+
+ private:
+ Color m_backing;
+ Color m_bord;
+ double m_bord_width;
+
+ Color m_item_bord;
+ double m_item_bord_width;
+
+ double m_key_size;
+ double m_label_skip;
+
+ std::list<legend_item*> m_items;
+ }; // end of legend class
+
+} // end of namespace
+
+#endif /* EPIX_LEGEND */