Diff: include/Line.h

Revision:

16:7984718638fc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/Line.h	Thu Dec 08 22:08:16 2016 +0000
@@ -0,0 +1,71 @@
+#ifndef __LINE_H_
+#define __LINE_H_
+
+#include "Point.h"
+
+template <class T>
+class Line {
+    
+public:
+    Line():
+    _x1(0),
+    _y1(0),
+    _x2(0),
+    _y2(0)
+    {}
+    
+    Line(T x1, T y1, T x2, T y2):
+    _x1(x1),
+    _y1(y1),
+    _x2(x2),
+    _y2(y2)
+    {}
+    
+    Point<T> p1() const {return Point(_x1, _y1);}
+    Point<T> p2() const {return Point(_x2, _y2);}
+    void setP1(T x, T y){_x1 = x; _y1 = y;}
+    void setP2(T x, T y){_x2 = x; _y2 = y;}
+      
+    bool isNull() const {return (_x1 == 0 && _y1 == 0 && _x2 == 0 && _y2 == 0);}
+    
+    friend inline bool operator==(const Line &l1, const Line<T> &l2){return (l1._x1==l2._x1 && l1._x2==l2._x2 && l1._y1==l2._y1 && l1._y2==l2._y2);}
+    friend inline bool operator!=(const Line &l1, const Line<T> &l2){return (l1._x1!=l2._x1 || l1._x2!=l2._x2 || l1._y1!=l2._y1 || l1._y2!=l2._y2);}
+    
+    bool contains(const Point<T> &p) const
+    {
+        T l = xp;
+        T r = xp;
+        if (w < 0)
+            l += w;
+        else
+            r += w;
+        if (l == r) // null rect
+            return false;
+    
+        if (p.x() < l || p.x() > r)
+            return false;
+    
+        T t = yp;
+        T b = yp;
+        if (h < 0)
+            t += h;
+        else
+            b += h;
+        if (t == b) // null rect
+            return false;
+    
+        if (p.y() < t || p.y() > b)
+            return false;
+    
+        return true;
+    }
+    
+private:
+    T _x1; 
+    T _y1; 
+    T _x2;
+    T _y2;
+};
+
+
+#endif // __LINE_H_
\ No newline at end of file