96 lines
2.0 KiB
C++
96 lines
2.0 KiB
C++
#ifndef Util_Rectangle_h__
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#define Util_Rectangle_h__
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#include <algorithm>
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struct Rectangle
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{
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Rectangle()
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: X(0), Y(0), Width(0), Height(0) { }
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Rectangle(int x, int y, int width = 0, int height = 0)
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: X(x), Y(y), Width(width), Height(height) { }
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/*Rectangle(const Rectangle &rect)
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: X(rect.X), Y(rect.Y), Width(rect.Width), Height(rect.Height) { }*/
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int X;
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int Y;
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int Width;
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int Height;
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const int& GetLeft() const { return X; }
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void SetLeft(int left)
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{
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Width += X - left;
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X = left;
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}
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int GetRight() const { return X + Width; }
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void SetRight(int right)
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{
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Width = right - X;
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}
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const int& GetTop() const { return Y; }
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void SetTop(int top)
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{
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Height += Y - top;
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Y = top;
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}
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int GetBottom() const { return Y + Height; }
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int SetBottom(int bottom)
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{
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Height = bottom - Y;
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}
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Rectangle& operator+=(const Rectangle &rhs)
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{
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SetLeft(std::min(GetLeft(), rhs.GetLeft()));
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SetRight(std::max(GetRight(), rhs.GetRight()));
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SetTop(std::min(GetTop(), rhs.GetTop()));
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SetBottom(std::max(GetBottom(), rhs.GetBottom()));
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}
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static bool Intersects(const Rectangle &r1, const Rectangle &r2)
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{
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return !(r2.GetLeft() > r1.GetRight() || r2.GetRight() < r1.GetLeft() || r2.GetTop() > r1.GetBottom() || r2.GetBottom() < r1.GetTop());
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}
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};
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inline bool operator==(const Rectangle &r1, const Rectangle &r2)
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{
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return (r1.X == r2.X) && (r1.Y == r2.Y) && (r1.Width == r2.Width) && (r1.Height == r2.Height);
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}
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inline bool operator!=(const Rectangle &lhs, const Rectangle &rhs)
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{
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return !(lhs == rhs);
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}
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inline bool operator<(const Rectangle &lhs, const Rectangle &rhs)
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{
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return (lhs.Width < rhs.Width) && (lhs.Height < rhs.Height);
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}
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inline bool operator>(const Rectangle &lhs, const Rectangle &rhs)
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{
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return rhs < lhs;
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}
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inline bool operator<=(const Rectangle &lhs, const Rectangle &rhs)
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{
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return !(lhs > rhs);
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}
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inline bool operator>=(const Rectangle &lhs, const Rectangle &rhs)
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{
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return !(lhs < rhs);
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}
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inline Rectangle operator+(Rectangle lhs, const Rectangle &rhs)
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{
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lhs += rhs;
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return lhs;
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}
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#endif // Util_Rectangle_h__
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