205 lines
5.5 KiB
C++
205 lines
5.5 KiB
C++
// File: frect.h
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// Provides: class FRect
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//
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// Standalone class
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// ════════════════
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//
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// ▕▔▔▔▔▔▔▔▏1 *▕▔▔▔▔▔▔▔▔▏
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// ▕ FRect ▏- - - -▕ FPoint ▏
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// ▕▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▏
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#ifndef FRECT_H
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#define FRECT_H
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#include <algorithm>
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#include "final/fpoint.h"
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//----------------------------------------------------------------------
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// class FRect
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class FRect
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{
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public:
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// Constructors
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FRect ();
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FRect (const FRect&); // copy constructor
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FRect (int, int, int, int);
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FRect (const FPoint&, const FPoint&);
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// Destructor
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virtual ~FRect();
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// Overloaded operators
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FRect& operator = (const FRect&);
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friend FRect operator + (const FRect&, const FPoint&);
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friend FRect operator - (const FRect&, const FPoint&);
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friend bool operator == (const FRect&, const FRect&);
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friend bool operator != (const FRect&, const FRect&);
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// Accessors
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virtual const char* getClassName();
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int getX1() const;
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int getY1() const;
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int getX2() const;
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int getY2() const;
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int getX() const;
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int getY() const;
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FPoint getPos() const;
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FPoint getUpperLeftPos() const;
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FPoint getUpperRightPos() const;
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FPoint getLowerLeftPos() const;
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FPoint getLowerRightPos() const;
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int getWidth() const;
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int getHeight() const;
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// Mutators
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void setX1 (int);
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void setY1 (int);
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void setX2 (int);
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void setY2 (int);
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void setX (int);
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void setY (int);
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void setPos (int, int);
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void setPos (const FPoint&);
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void setWidth (int);
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void setHeight (int);
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void setSize (int, int);
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void setRect (const FRect&);
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void setRect (int, int, int, int);
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void setCoordinates (const FPoint&, const FPoint&);
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void setCoordinates (int, int, int, int);
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// Inquiry
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bool isNull() const;
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// Coordinate references
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short& x1_ref();
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short& y1_ref();
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short& x2_ref();
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short& y2_ref();
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// Methods
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void move (int, int);
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void move (const FPoint&);
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bool contains (int, int) const;
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bool contains (const FPoint&) const;
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bool contains (const FRect&) const;
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bool overlap (const FRect&) const;
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FRect intersect (const FRect&) const;
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FRect combined (const FRect&) const;
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private:
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// Data Members
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short X1;
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short Y1;
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short X2;
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short Y2;
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};
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#pragma pack(pop)
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// FRect inline functions
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//----------------------------------------------------------------------
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inline FRect::FRect()
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: X1(0)
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, Y1(0)
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, X2(-1)
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, Y2(-1)
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{ }
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//----------------------------------------------------------------------
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inline FRect::FRect (const FRect& r) // copy constructor
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: X1(r.X1)
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, Y1(r.Y1)
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, X2(r.X2)
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, Y2(r.Y2)
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{ }
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//----------------------------------------------------------------------
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inline FRect::FRect (int x, int y, int width, int height)
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: X1(short(x))
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, Y1(short(y))
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, X2(short(x + width - 1))
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, Y2(short(y + height - 1))
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{ }
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//----------------------------------------------------------------------
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inline const char* FRect::getClassName()
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{ return "FRect"; }
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//----------------------------------------------------------------------
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inline int FRect::getX1() const
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{ return X1; }
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//----------------------------------------------------------------------
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inline int FRect::getY1() const
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{ return Y1; }
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//----------------------------------------------------------------------
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inline int FRect::getX2() const
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{ return X2; }
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//----------------------------------------------------------------------
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inline int FRect::getY2() const
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{ return Y2; }
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//----------------------------------------------------------------------
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inline int FRect::getX() const
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{ return X1; }
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//----------------------------------------------------------------------
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inline int FRect::getY() const
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{ return Y1; }
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//----------------------------------------------------------------------
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inline FPoint FRect::getPos() const
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{ return FPoint(X1, Y1); }
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//----------------------------------------------------------------------
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inline FPoint FRect::getUpperLeftPos() const
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{ return FPoint(X1, Y1); }
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//----------------------------------------------------------------------
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inline FPoint FRect::getUpperRightPos() const
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{ return FPoint(X2, Y1); }
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//----------------------------------------------------------------------
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inline FPoint FRect::getLowerLeftPos() const
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{ return FPoint(X1, Y2); }
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//----------------------------------------------------------------------
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inline FPoint FRect::getLowerRightPos() const
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{ return FPoint(X2, Y2); }
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//----------------------------------------------------------------------
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inline int FRect::getWidth() const
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{ return short(X2 - X1 + 1); }
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//----------------------------------------------------------------------
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inline int FRect::getHeight() const
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{ return short(Y2 - Y1 + 1); }
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//----------------------------------------------------------------------
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inline short& FRect::x1_ref()
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{ return X1; }
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//----------------------------------------------------------------------
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inline short& FRect::y1_ref()
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{ return Y1; }
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//----------------------------------------------------------------------
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inline short& FRect::x2_ref()
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{ return X2; }
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//----------------------------------------------------------------------
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inline short& FRect::y2_ref()
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{ return Y2; }
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#endif // FRECT_H
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