SFML - Simple and Fast Multimedia Library Main Page Namespaces Classes Files File List Rect.inl00001 00002 // 00003 // SFML - Simple and Fast Multimedia Library 00004 // Copyright (C) 2007-2009 Laurent Gomila ([e-mail]) 00005 // 00006 // This software is provided 'as-is', without any express or implied warranty. 00007 // In no event will the authors be held liable for any damages arising from the use of this software. 00008 // 00009 // Permission is granted to anyone to use this software for any purpose, 00010 // including commercial applications, and to alter it and redistribute it freely, 00011 // subject to the following restrictions: 00012 // 00013 // 1. The origin of this software must not be misrepresented; 00014 // you must not claim that you wrote the original software. 00015 // If you use this software in a product, an acknowledgment 00016 // in the product documentation would be appreciated but is not required. 00017 // 00018 // 2. Altered source versions must be plainly marked as such, 00019 // and must not be misrepresented as being the original software. 00020 // 00021 // 3. This notice may not be removed or altered from any source distribution. 00022 // 00024 00025 00029 template <typename T> 00030 Rect<T>::Rect() : 00031 Left (0), 00032 Top (0), 00033 Right (0), 00034 Bottom(0) 00035 { 00036 00037 } 00038 00039 00043 template <typename T> 00044 Rect<T>::Rect(T LeftCoord, T TopCoord, T RightCoord, T BottomCoord) : 00045 Left (LeftCoord), 00046 Top (TopCoord), 00047 Right (RightCoord), 00048 Bottom(BottomCoord) 00049 { 00050 00051 } 00052 00053 00057 template <typename T> 00058 T Rect<T>::GetWidth() const 00059 { 00060 return Right - Left; 00061 } 00062 00063 00067 template <typename T> 00068 T Rect<T>::GetHeight() const 00069 { 00070 return Bottom - Top; 00071 } 00072 00073 00077 template <typename T> 00078 void Rect<T>::Offset(T OffsetX, T OffsetY) 00079 { 00080 Left += OffsetX; 00081 Right += OffsetX; 00082 Top += OffsetY; 00083 Bottom += OffsetY; 00084 } 00085 00086 00090 template <typename T> 00091 bool Rect<T>::Contains(T X, T Y) const 00092 { 00093 return (X >= Left) && (X <= Right) && (Y >= Top) && (Y <= Bottom); 00094 } 00095 00096 00100 template <typename T> 00101 bool Rect<T>::Intersects(const Rect<T>& Rectangle, Rect<T>* OverlappingRect) const 00102 { 00103 // Compute overlapping rect 00104 Rect Overlapping(std::max(Left, Rectangle.Left), 00105 std::max(Top, Rectangle.Top), 00106 std::min(Right, Rectangle.Right), 00107 std::min(Bottom, Rectangle.Bottom)); 00108 00109 // If overlapping rect is valid, then there is intersection 00110 if ((Overlapping.Left < Overlapping.Right) && (Overlapping.Top < Overlapping.Bottom)) 00111 { 00112 if (OverlappingRect) 00113 *OverlappingRect = Overlapping; 00114 return true; 00115 } 00116 else 00117 { 00118 if (OverlappingRect) 00119 *OverlappingRect = Rect(0, 0, 0, 0); 00120 return false; 00121 } 00122 }  ::  Copyright © 2007-2008 Laurent Gomila, all rights reserved  ::  Documentation generated by doxygen 1.5.2  ::