linestyle.h

00001 /***************************************************************************
00002  *   Copyright (C) 2004 by Rick L. Vinyard, Jr.                            *
00003  *   rvinyard@cs.nmsu.edu                                                  *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU Lesser General Public License as        *
00007  *   published by the Free Software Foundation version 2.1.                *
00008  *                                                                         *
00009  *   This program is distributed in the hope that it will be useful,       *
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00012  *   GNU General Public License for more details.                          *
00013  *                                                                         *
00014  *   You should have received a copy of the GNU Lesser General Public      *
00015  *   License along with this library; if not, write to the                 *
00016  *   Free Software Foundation, Inc.,                                       *
00017  *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
00018  ***************************************************************************/
00019 #ifndef PAPYRUSLINESTYLE_H
00020 #define PAPYRUSLINESTYLE_H
00021 
00022 #include <cmath>
00023 #include <papyrus/renderable.h>
00024 #include <papyrus/drawable.h>
00025 
00026 namespace Papyrus
00027 {
00028 
00032   class LineStyle : public Renderable
00033   {
00034     public:
00035       LineStyle( Cairo::RefPtr<Cairo::Pattern> pattern = Cairo::RefPtr<Cairo::Pattern>(),
00036                  double width = 1.0
00037                );
00038 
00039       LineStyle( double width,
00040                  Cairo::LineCap cap = Cairo::LINE_CAP_BUTT,
00041                  Cairo::LineJoin join = Cairo::LINE_JOIN_MITER
00042                );
00043 
00044       LineStyle( Cairo::RefPtr<Cairo::Pattern> pattern,
00045                  double width,
00046                  Cairo::LineCap cap,
00047                  Cairo::LineJoin join
00048                );
00049 
00050       ~LineStyle();
00051 
00052       LineStyle& operator=( const LineStyle& other );
00053 
00054       bool operator==( const LineStyle& other ) const;
00055 
00056       bool operator!=( const LineStyle& other ) const;
00057 
00058       const std::valarray< double >& dash_array();
00059 
00060       double dash_offset();
00061 
00062       void set_dash ( const std::valarray< double > dashes = std::valarray<double>(), double offset = 0.0 );
00063 
00064       Cairo::LineCap cap();
00065 
00066       void set_cap ( Cairo::LineCap cap = Cairo::LINE_CAP_BUTT );
00067 
00068       Cairo::LineJoin join();
00069 
00070       void set_join ( Cairo::LineJoin join = Cairo::LINE_JOIN_MITER );
00071 
00072       double width();
00073 
00074       void set_width ( double width = 1.0 );
00075 
00076       double miter_limit();
00077 
00078       void set_miter_limit ( double limit = INFINITY );
00079 
00080       Cairo::RefPtr<Cairo::Pattern> pattern();
00081 
00082       void set_pattern( Cairo::RefPtr<Cairo::Pattern> pattern = Cairo::RefPtr<Cairo::Pattern>() );
00083 
00084       virtual void render( Cairo::RefPtr<Cairo::Context> cairo );
00085 
00086       sigc::signal<void> signal_pattern();
00087       sigc::signal<void> signal_width();
00088       sigc::signal<void> signal_cap();
00089       sigc::signal<void> signal_join();
00090       sigc::signal<void> signal_miter_limit();
00091       sigc::signal<void> signal_dash();
00092 
00093     protected:
00094       Cairo::RefPtr<Cairo::Pattern> m_pattern;
00095       double m_width;
00096       Cairo::LineCap m_cap;
00097       Cairo::LineJoin m_join;
00098       double m_miter_limit;
00099       std::valarray<double> m_dash_array;
00100       double m_dash_offset;
00101 
00102       sigc::signal<void> m_signal_pattern;
00103       sigc::signal<void> m_signal_width;
00104       sigc::signal<void> m_signal_cap;
00105       sigc::signal<void> m_signal_join;
00106       sigc::signal<void> m_signal_miter_limit;
00107       sigc::signal<void> m_signal_dash;
00108 
00109   };
00110 
00111 }
00112 
00113 #endif

Generated on Sun Mar 11 10:01:28 2007 by  doxygen 1.5.1