source/designer/measure.h

   1 #ifndef MEASURE_H_
   2 #define MEASURE_H_
   3
   4 #include <sigc++/sigc++.h>
   5
   6 class Designer;
   7
   8 class Measure
   9 {
  10 private:
  11         enum State
  12         {
  13                 NONE,
  14                 STARTING,
  15                 ACTIVE
  16         };
  17
  18 public:
  19         sigc::signal<void> signal_done;
  20         sigc::signal<void> signal_changed;
  21
  22 private:
  23         Designer &designer;
  24         R2C2::Vector pointer;
  25         R2C2::Vector spoint;
  26         float sdir;
  27         float par_dist;
  28         float perp_dist;
  29         float adiff;
  30         State state;
  31
  32 public:
  33         Measure(Designer &);
  34         float get_parallel_distance() const { return par_dist; }
  35         float get_perpendicular_distance() const { return perp_dist; }
  36         float get_angle_difference() const { return adiff; }
  37         void start();
  38         void button_press(int, int, float, float, unsigned);
  39         void pointer_motion(int, int, float, float);
  40         void render();
  41 private:
  42         void snap_to_tracks(R2C2::Vector &, float &);
  43 };
  44
  45 #endif