Diff: include/Rect.h

Revision:

15:c49040bf0e1d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/Rect.h	Thu Dec 08 21:38:39 2016 +0000
@@ -0,0 +1,93 @@
+#ifndef __RECT_H_
+#define __RECT_H_
+
+#include "Point.h"
+
+template <class T>
+class Rect {
+    
+public:
+    Rect():
+    _x(0),
+    _y(0),
+    _width(0),
+    _height(0)
+    {}
+    
+    Rect(T x, T y, T width, T height):
+    _x(x),
+    _y(y),
+    _width(width),
+    _height(height)
+    {}
+    
+    T x() const {return _x;}
+    T y() const {return _y;}
+    void setX(T x){_x = x;}
+    void setY(T y){_y = y;}
+    
+    T width()  const {return _width;}
+    T height() const {return _height;}
+    void setWidth(T  w) {_width  = w;}
+    void setHeight(T h) {_height = h;}
+    
+    Point<T> topLeft()     const { return Point<T>(_x, _y);                }
+    Point<T> topRight()    const { return Point<T>(_x+_width, _y);         }
+    Point<T> bottomLeft()  const { return Point<T>(_x, _y+_height);        }
+    Point<T> bottomRight() const { return Point<T>(_x+_width, _y+_height); }
+    
+    void moveTo(T x, T y)
+    {
+        _x = x;
+        _y = y;
+    }
+    
+    void moveTo( const Point<T> &p)
+    {
+        _x = p.x();
+        _y = p.y();
+    }
+    
+    bool isNull() const {return (_x == 0 && _y == 0 && _width == 0 && _height == 0);}
+    
+    friend inline bool operator==(const Rect &r1, const Rect &r2){return (r1._x==r2._x && r1._width==r2._width && r1._y==r2._y && r1._height==r2._height);}
+    friend inline bool operator!=(const Rect &r1, const Rect &r2){return (r1._x!=r2._x || r1._width!=r2._width || r1._y!=r2._y || r1._height!=r2._height);}
+    
+    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 _x; // Left xpos
+    T _y; // Top ypos
+    T _width;
+    T _height;
+};
+
+
+#endif // __RECT_H_
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