Shamusworld >> Repos - architektonas/blob - src/arc.h

   1 #ifndef __ARC_H__
   2 #define __ARC_H__
   3
   4 #include "object.h"
   5
   6 class Arc: public Object
   7 {
   8         public:
   9                 Arc(Vector, double, double, double, Object * p = 0);
  10                 ~Arc();
  11
  12                 virtual void Draw(Painter *);
  13                 virtual Vector Center(void);
  14                 virtual bool Collided(Vector);
  15                 virtual void PointerMoved(Vector);
  16                 virtual void PointerReleased(void);
  17                 virtual bool HitTest(Point);
  18                 virtual void Enumerate(FILE *);
  19                 virtual Object * Copy(void);
  20                 virtual QRectF Extents(void);
  21                 virtual void Rotate(Point, double);
  22                 virtual void Mirror(Point, Point);
  23                 virtual void Save(void);
  24                 virtual void Restore(void);
  25
  26         private:
  27                 bool AngleInArcSpan(double angle);
  28
  29         protected:
  30                 void SaveHitState(void);
  31                 bool HitStateChanged(void);
  32
  33         protected:
  34                 double radius;                                          // Center is Object::position
  35                 double startAngle;                                      // Starting angle in radians
  36                 double angleSpan;                                       // # of degrees the arc spans in radians
  37                 double oldRadius2;
  38                 double oldStartAngle;
  39                 double oldAngleSpan;
  40
  41         private:
  42 //              bool hitHandle1;        // Moving
  43 //              bool hitHandle2;        // Rotation
  44 //              bool hitHandle3;        // Setting span of the arc
  45 //              bool hitHandle4;        // Resizing
  46                 bool draggingCenter;
  47                 bool draggingEdge;
  48                 bool draggingRotate;
  49                 bool draggingSpan;
  50                 bool objectWasDragged;
  51                 Vector oldPoint;                                        // Used for dragging
  52                 double oldAngle;                                        // Used for user feedback
  53                 double oldRadius;                                       // Used for user feedback
  54                 bool hitCenter, hitArc, hitRotate, hitSpan;
  55                 bool oldHitCenter, oldHitArc, oldHitRotate, oldHitSpan;
  56 };
  57
  58 #endif  // __ARC_H__