About to break everything with a merge

[ipdf/code.git] / src / rect.h

diff --git a/src/rect.h b/src/rect.h
index a79f6ac..0188446 100644 (file)
--- a/src/rect.h
+++ b/src/rect.h
@@ -6,19 +6,79 @@
 
 namespace IPDF
 {
-       struct Rect
+       template <class T = IPDF::Real>
+       struct TRect
        {
-               Real x; Real y; Real w; Real h;
-               Rect() = default; // Needed so we can fread/fwrite this struct
-               Rect(Real _x, Real _y, Real _w, Real _h) : x(_x), y(_y), w(_w), h(_h) {}
+               T x; T y; T w; T h;
+               //TRect() = default; // Needed so we can fread/fwrite this struct
+               TRect(T _x=0, T _y=0, T _w=1, T _h=1) : x(_x), y(_y), w(_w), h(_h) {}
+               template <class B> TRect(const TRect<B> & cpy) : x(T(cpy.x)), y(T(cpy.y)), w(T(cpy.w)), h(T(cpy.h)) {}
+               
                std::string Str() const
                {
                        std::stringstream s;
                        // float conversion needed because it is fucking impossible to get ostreams working with template classes
-                       s << "{" << Float(x) << ", " << Float(y) << ", " << Float(w) << ", " << Float(h) << "}";
+                       s << "{" << x << ", " << y << ", " << (x + w) << ", " << (y + h) << " (w: " << w <<", h: " << h <<")}";
                        return s.str();
                }
+               inline bool PointIn(T pt_x, T pt_y) const
+               {
+                       if (pt_x <= x) return false;
+                       if (pt_y <= y) return false;
+                       if (pt_x >= x + w) return false;
+                       if (pt_y >= y + h) return false;
+                       return true;
+               }
+
+               inline bool Intersects(const TRect& other) const
+               {
+                       if (x + w < other.x) return false;
+                       if (y + h < other.y) return false;
+                       if (x > other.x + other.w) return false;
+                       if (y > other.y + other.h) return false;
+                       return true;
+               }
+               
+               template <class B> TRect<B> Convert() const {return TRect<B>(B(x), B(y), B(w), B(h));}
+               
+               template <class B> TRect<T> & operator=(const TRect<B> & equ)
+               {
+                       x = T(equ.x);
+                       y = T(equ.y);
+                       w = T(equ.w);
+                       h = T(equ.h);
+                       return *this;
+               }
        };
+
+
+
+       template <class T = IPDF::Real>
+       inline TRect<T> TransformRectCoordinates(const TRect<T> & view, const TRect<T> & r)
+       {
+               TRect<T> out;
+               T w = (view.w == T(0))?T(1):view.w;
+               T h = (view.h == T(0))?T(1):view.h;
+               out.x = (r.x - view.x) / w; //r.x = out.x *w + view.x
+               out.y = (r.y - view.y) / h; // r.y = out.y*h + view.y
+               out.w = r.w / w; // r.w = out.w * w
+               out.h = r.h / h; // r.h = out.h * h
+               return out;
+       }
+
+
+       template <class T = IPDF::Real>
+       inline Vec2 TransformPointCoordinates(const TRect<T> & view, const Vec2& v)
+       {
+               Vec2 out;
+               out.x = (v.x - view.x) / view.w;
+               out.y = (v.y - view.y) / view.h;
+               return out;
+       }
+       
+       typedef TRect<Real> Rect;
+       
+
 }
 
 #endif //_RECT_H