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00043 #ifndef FRAME_HPP
00044 #define FRAME_HPP 1
00045
00046
00047 #include <string>
00048 #include <vector>
00049 #include <cairo.h>
00050 #include "color.hpp"
00051 #include "ruler.hpp"
00052 #include "coordmapper.hpp"
00053 #include "graph.hpp"
00054 #include "legend.hpp"
00055
00056
00057
00067 enum PlotFixedMode {
00068 PLOT_FIXED_ASPECT_DISABLED = 0,
00069 PLOT_FIXED_ASPECT_EXTEND_RANGE,
00070 PLOT_FIXED_ASPECT_INCREASE_MARGIN
00071 };
00072
00073
00081 enum PlotAxis {
00082 PLOT_AXIS_X1 = 0,
00083 PLOT_AXIS_Y1,
00084 PLOT_AXIS_X2,
00085 PLOT_AXIS_Y2,
00086 PLOT_AXIS_Z
00087 };
00088
00089
00090
00107 class Frame {
00108
00111 struct DObj {
00112 PlotAxis _xaxis;
00113 PlotAxis _yaxis;
00114 Graph *_graph;
00116 DObj( PlotAxis xaxis, PlotAxis yaxis, Graph *graph )
00117 : _xaxis(xaxis), _yaxis(yaxis), _graph(graph) {}
00118 };
00119
00120 Ruler _ruler[4];
00121 Coordmapper1D _cm[4];
00122 bool _enable[4];
00123 bool _fenable[4];
00124 bool _autorange[8];
00125 double _range_min[4];
00126 double _range_max[4];
00128 int _offx;
00129 int _offy;
00131 int _width;
00132 int _height;
00134 double _fontsize;
00135 double _titlespace;
00136 Color _bg;
00137 Color _fg;
00139 std::vector<DObj> _dobj;
00141 bool _legend_enable;
00142 legend_position_e _legend_pos;
00143 MultiEntryLegend _legend;
00145 Label _title;
00147 PlotFixedMode _fixedaspect;
00149 bool _automargin;
00150 double _tmargin[4];
00158 void draw_legend( cairo_t *cairo );
00159 void calculate_autoranging( void );
00160 void calculate_ruler_autoenable( void );
00161 void calculate_rulers( cairo_t *cairo, bool ruler_tic_bbox_test );
00162 void calculate_frame( cairo_t *cairo );
00163 void draw_frame( cairo_t *cairo );
00164 void mirror_rulers( void );
00165 void set_frame_clipping( cairo_t *cairo );
00166 void unset_frame_clipping( cairo_t *cairo );
00167
00168 public:
00169
00172 Frame();
00173
00176 ~Frame() {}
00177
00185 void set_geometry( int width, int height, int offx, int offy ) {
00186 _width = width;
00187 _height = height;
00188 _offx = offx;
00189 _offy = offy;
00190 }
00191
00194 void set_font_size( double size );
00195
00198 double get_font_size( void ) {
00199 return( _fontsize );
00200 }
00201
00204 void set_background( Color &bg ) {
00205 _bg = bg;
00206 }
00207
00210 void set_foreground( Color &fg ) {
00211 _fg = fg;
00212 }
00213
00219 Coordmapper get_coordmapper( PlotAxis xaxis, PlotAxis yaxis ) const;
00220
00223 void get_margins( double margin[4] ) const;
00224
00230 void get_frame_edges( double edge[4] ) const;
00231
00234 void set_title( const std::string &title );
00235
00238 void set_axis_label( PlotAxis axis, const std::string &label );
00239
00246 void force_enable_ruler( PlotAxis axis, bool force );
00247
00254 void ruler_autorange_enable( PlotAxis axis, bool min, bool max );
00255
00262 void set_ranges( PlotAxis axis, double min, double max );
00263
00269 void get_ranges( PlotAxis axis, double &min, double &max ) const;
00270
00282 void set_fixed_aspect( PlotFixedMode mode );
00283
00296 void set_automargin( bool enable );
00297
00306 void add_graph( PlotAxis xaxis, PlotAxis yaxis,
00307 Graph *graph, LegendEntry *legend = NULL );
00308
00314 void clear_graphs( void );
00315
00318 void enable_legend( bool enable );
00319
00322 void set_legend_position( legend_position_e pos );
00323
00337 void draw( cairo_t *cairo );
00338 };
00339
00340
00341 #endif
00342