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
  22         private:
  23                 bool AngleInArcSpan(double angle);
  24
  25         protected:
  26                 void SaveHitState(void);
  27                 bool HitStateChanged(void);
  28
  29         protected:
  30                 double radius;                                          // Center is Object::position
  31                 double startAngle;                                      // Starting angle in radians
  32                 double angleSpan;                                       // # of degrees the arc spans in radians
  33
  34         private:
  35 //              bool hitHandle1;        // Moving
  36 //              bool hitHandle2;        // Rotation
  37 //              bool hitHandle3;        // Setting span of the arc
  38 //              bool hitHandle4;        // Resizing
  39                 bool draggingCenter;
  40                 bool draggingEdge;
  41                 bool draggingRotate;
  42                 bool draggingSpan;
  43                 bool objectWasDragged;
  44                 Vector oldPoint;                                        // Used for dragging
  45                 double oldAngle;                                        // Used for user feedback
  46                 double oldRadius;                                       // Used for user feedback
  47                 bool hitCenter, hitArc, hitRotate, hitSpan;
  48                 bool oldHitCenter, oldHitArc, oldHitRotate, oldHitSpan;
  49 };
  50
  51 #endif  // __ARC_H__