grid.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 PAPYRUSGRID_H
00020 #define PAPYRUSGRID_H
00021 
00022 #include <papyrus/drawable.h>
00023 #include <papyrus/linestyle.h>
00024 #include <papyrus/enums.h>
00025 
00026 namespace Papyrus
00027 {
00028 
00032   class Grid : public Drawable
00033   {
00034     public:
00035       typedef PapyrusSmartPointer<Grid> pointer;
00036 
00037       static const double infinity;
00038 
00039       Grid(double xmin=-infinity, double xmax=infinity,
00040            double ymin=-infinity, double ymax=infinity);
00041 
00042       static pointer create(double xmin=-infinity, double xmax=infinity,
00043                             double ymin=-infinity, double ymax=infinity);
00044 
00045       ~Grid();
00046 
00047       double x_min();
00048 
00049       void set_x_min( double min );
00050 
00051       double x_max();
00052 
00053       void set_x_max( double max );
00054 
00055       void x_min_max( double& min, double& max );
00056 
00057       void set_x_min_max( double min, double max );
00058 
00059       double y_min();
00060 
00061       void set_y_min( double min );
00062 
00063       double y_max();
00064 
00065       void set_y_max( double max );
00066 
00067       void y_min_max( double& min, double& max );
00068 
00069       void set_y_min_max( double min, double max );
00070 
00071       void xy_min_max( double& x_min, double& x_max, double& y_min, double& y_max );
00072 
00073       void set_xy_min_max( double x_min, double x_max, double y_min, double y_max );
00074 
00075       void enable_axis( unsigned which = X_AXIS | Y_AXIS );
00076 
00077       void disable_axis( unsigned which = X_AXIS | Y_AXIS );
00078 
00079       const LineStyle& x_axis_style() const;
00080 
00081       void set_x_axis_style( const LineStyle& style );
00082 
00083       const LineStyle& y_axis_style() const;
00084 
00085       void set_y_axis_style( const LineStyle& style );
00086 
00087       void set_xy_axis_style( const LineStyle& style );
00088 
00089       void enable_border( unsigned which = TOP | RIGHT | BOTTOM | LEFT );
00090 
00091       void disable_border( unsigned which = TOP | RIGHT | BOTTOM | LEFT );
00092 
00093       void set_border_style( const LineStyle& style,
00094                              unsigned which = TOP | RIGHT | BOTTOM | LEFT );
00095 
00096       double x_interval();
00097 
00098       void set_x_interval( double x_interval );
00099 
00100       const LineStyle& x_interval_style();
00101 
00102       void set_x_interval_style( const LineStyle& );
00103 
00104       double y_interval();
00105 
00106       void set_y_interval( double y_interval );
00107 
00108       const LineStyle& y_interval_style();
00109 
00110       void set_y_interval_style( const LineStyle& );
00111 
00112       void xy_interval( double& x_interval, double& y_interval );
00113 
00114       void set_xy_interval( double interval );
00115 
00116       void set_xy_interval( double x_interval, double y_interval );
00117 
00118       void xy_interval_style( LineStyle& x_style, LineStyle& y_style );
00119 
00120       void set_xy_interval_style( const LineStyle& style );
00121 
00122       void set_xy_interval_style( const LineStyle& x_style, const LineStyle& y_style );
00123 
00125       virtual void draw( Cairo::RefPtr<Cairo::Context> cairo );
00126 
00127       PAPYRUS_CLONE_METHOD( Grid );
00128 
00129     protected:
00130       LineStyle m_x_axis_style,
00131       m_y_axis_style,
00132       m_x_interval_style,
00133       m_y_interval_style,
00134       m_border_style[ 4 ];
00135       double m_x_min, m_x_max, m_y_min, m_y_max;
00136       double m_x_interval, m_y_interval;
00137       unsigned int m_enabled_axes, m_enabled_borders;
00138 
00139   };
00140 
00141 }
00142 
00143 #endif

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