ruler.hpp

Go to the documentation of this file.
00001 
00005 /* Copyright (c) 2005-2009 Taneli Kalvas. All rights reserved.
00006  *
00007  * You can redistribute this software and/or modify it under the terms
00008  * of the GNU General Public License as published by the Free Software
00009  * Foundation; either version 2 of the License, or (at your option)
00010  * any later version.
00011  * 
00012  * This library is distributed in the hope that it will be useful, but
00013  * WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00015  * General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with this library (file "COPYING" included in the package);
00019  * if not, write to the Free Software Foundation, Inc., 51 Franklin
00020  * Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  * 
00022  * If you have questions about your rights to use or distribute this
00023  * software, please contact Berkeley Lab's Technology Transfer
00024  * Department at TTD@lbl.gov. Other questions, comments and bug
00025  * reports should be sent directly to the author via email at
00026  * taneli.kalvas@jyu.fi.
00027  * 
00028  * NOTICE. This software was developed under partial funding from the
00029  * U.S.  Department of Energy.  As such, the U.S. Government has been
00030  * granted for itself and others acting on its behalf a paid-up,
00031  * nonexclusive, irrevocable, worldwide license in the Software to
00032  * reproduce, prepare derivative works, and perform publicly and
00033  * display publicly.  Beginning five (5) years after the date
00034  * permission to assert copyright is obtained from the U.S. Department
00035  * of Energy, and subject to any subsequent five (5) year renewals,
00036  * the U.S. Government is granted for itself and others acting on its
00037  * behalf a paid-up, nonexclusive, irrevocable, worldwide license in
00038  * the Software to reproduce, prepare derivative works, distribute
00039  * copies to the public, perform publicly and display publicly, and to
00040  * permit others to do so.
00041  */
00042 
00043 #ifndef RULER_HPP
00044 #define RULER_HPP 1
00045 
00046 
00047 #include <cairo.h>
00048 #include <vector>
00049 #include <string>
00050 #include <stdio.h>
00051 #include <iostream>
00052 #include "color.hpp"
00053 #include "label.hpp"
00054 #include "coordmapper.hpp"
00055 
00056 
00062 class Ruler {
00063 
00066     struct Tic {
00067         double               _x;            
00068         Label                _label;        
00072         Tic( double x, const std::string &label ) : _x(x), _label(label) {}
00073     };
00074 
00075     Color                    _color;        
00076     double                   _ticlen_in;    
00077     double                   _ticlen_out;   
00078     double                   _labelspace;   
00080     double                   _range[2];     
00081     bool                     _autorange[2]; 
00083     double                   _endpt[4];     
00085     double                   _fontsize;     
00086     Label                    _axislabel;    
00088     bool                     _label_enabled;
00089     bool                     _indir;        
00090     std::vector<Tic>         _tic;          
00092     int                      _cind;         
00095     static bool tic_labels_bbox_crash_x( const double bbox[4], const double obbox[4] );
00096     static bool tic_labels_bbox_crash_y( const double bbox[4], const double obbox[4] );
00097     bool add_tic( double x, cairo_t *cairo, const Coordmapper1D &cm, 
00098                   bool ruler_tic_bbox_test, double &maxsize, double obbox[4] );
00099 
00100 public:
00101 
00104     Ruler();
00105 
00108     Ruler( int cind );
00109 
00112     Ruler( const Ruler &ruler );
00113 
00116     Ruler &operator=( const Ruler &ruler );
00117 
00120     ~Ruler() {}
00121 
00124     void copy_tics( const Ruler &ruler );
00125 
00128     void set_font_size( double size );
00129 
00132     void set_color( const Color &color );
00133 
00136     void set_ticlen( double inlen, double outlen );
00137 
00140     void set_autorange( bool autorange_min, bool autorange_max );
00141 
00144     void get_autorange( bool &autorange_min, bool &autorange_max ) const;
00145 
00153     void set_ranges( double min, double max );
00154 
00159     void get_ranges( double &min, double &max ) const;
00160 
00163     void set_endpoints( double x1, double y1, double x2, double y2 );
00164 
00167     void set_axis_label( const std::string &label );
00168 
00171     void enable_labels( bool enable );
00172 
00177     void set_coord_index( int cind );
00178 
00181     void set_indir( bool ccw );
00182 
00189     void calculate( cairo_t *cairo, Coordmapper1D &cm, bool ruler_tic_bbox_test );
00190 
00197     void draw( cairo_t *cairo, Coordmapper1D &cm, bool recalculate = true );
00198 
00205     void get_bbox( cairo_t *cairo, double bbox[4], Coordmapper1D &cm, bool recalculate = true );
00206 
00209     void debug_print( std::ostream &os ) const ;
00210 };
00211 
00212 
00213 #endif
00214 
00215 
00216 
00217 
00218 
00219 
00220 
00221 
00222 
00223 
00224 
00225 
00226 
00227 
00228 
00229 
00230 
00231 

Generated on Thu Apr 21 13:39:21 2011 for IBSimu by  doxygen 1.4.7