- Main Page
- Namespaces
- Classes
- Files

- File List

# Rect.inl

    00001
    00002 //
    00003 // SFML - Simple and Fast Multimedia Library
    00004 // Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
    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 ::