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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/label_data.h
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+/*
+ * label_data.h -- ePiX::label_data class
+ *
+ * This file is part of ePiX, a C++ library for creating high-quality
+ * figures in LaTeX
+ *
+ * Version 1.1.18
+ * Last Change: September 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
+ */
+
+/*
+ * label_data comprises spatial location, screen offsets, text (contents),
+ * mark type, and a label_style (q.v.). label_data can be constructed from
+ * string-valued functions of position; examples are given below.
+ */
+
+#ifndef EPIX_LABEL
+#define EPIX_LABEL
+
+#include <string>
+
+#include "enums.h"
+#include "triples.h"
+
+#include "pairs.h"
+
+#include "marker_style.h"
+#include "label_style.h"
+
+namespace ePiX {
+
+ class Camera;
+ class Color;
+ class screen;
+
+ class label_data {
+ public:
+ label_data(const P& here, const P& offset,
+ const std::string& text, epix_mark_type mark=TEXT);
+
+ // generate label text from user-specified function of 2 or 3 variables
+ label_data(const P& here, const P& offset,
+ std::string f(double,double), epix_mark_type mark=TEXT);
+
+ label_data(const P& here, const P& offset,
+ std::string f(double,double,double), epix_mark_type mark=TEXT);
+
+ // marker; alignment affects only TICK marks
+ label_data(const P& here, epix_mark_type mark, epix_label_posn align=c);
+
+ // pass through to m_style
+ label_data& text_color(const Color&);
+ label_data& mask_color(const Color&);
+ label_data& align_to(epix_label_posn);
+
+ void draw() const;
+
+ private:
+ P m_here;
+ pair m_offset;
+
+ std::string m_text;
+ epix_mark_type m_mark;
+
+ marker_sizes m_sizes;
+ label_state m_style;
+
+ bool m_seen;
+ }; // end of label_data class
+
+} // end of namespace
+
+#endif /* EPIX_LABEL */