1 // States.h 2 3 #ifndef STATES_H 4 #define STATES_H 5 6 #include <GraphicsDefs.h> 7 #include <Point.h> 8 9 class BView; 10 11 enum { 12 OBJECT_LINE = 0, 13 OBJECT_RECT, 14 OBJECT_ROUND_RECT, 15 OBJECT_ELLIPSE, 16 OBJECT_TRIANGLE, 17 OBJECT_SHAPE, 18 }; 19 20 class State { 21 public: 22 State(); 23 virtual ~State(); 24 25 void Init(rgb_color color, drawing_mode mode, 26 bool fill, float penSize); 27 28 void MouseDown(BPoint where); 29 void MouseUp(); 30 void MouseMoved(BPoint where); 31 bool IsTracking() const 32 { return fTracking; } 33 34 void SetColor(rgb_color color); 35 void SetDrawingMode(drawing_mode mode); 36 void SetFill(bool fill); 37 void SetPenSize(float penSize); 38 39 void SetEditing(bool editing); 40 41 BRect Bounds() const; 42 virtual void Draw(BView* view) const; 43 virtual bool SupportsFill() const 44 { return true; } 45 46 static State* StateFor(int32 objectType, 47 rgb_color color, drawing_mode mode, 48 bool fill, float penSize); 49 50 protected: 51 BRect _ValidRect() const; 52 void _RenderDot(BView* view, BPoint where) const; 53 void _AdjustViewState(BView* view) const; 54 55 bool _HitTest(BPoint where, BPoint point) const; 56 57 bool fValid; 58 59 bool fEditing; 60 61 enum { 62 TRACKING_NONE = 0, 63 TRACKING_START, 64 TRACKING_END 65 }; 66 67 uint32 fTracking; 68 BPoint fClickOffset; 69 70 BPoint fStartPoint; 71 BPoint fEndPoint; 72 73 rgb_color fColor; 74 drawing_mode fDrawingMode; 75 bool fFill; 76 float fPenSize; 77 }; 78 79 #endif // STATES_H 80