4 #include <lib/gdi/esize.h>
5 #include <lib/gdi/epoint.h>
8 // x2 = x1 + width (AND NOT, NEVER, NEVER EVER +1 or -1 !!!!)
10 class eRect // rectangle class
14 eRect() { x1 = y1 = x2 = y2 = 0; }
15 eRect( const ePoint &topleft, const ePoint &bottomright );
17 // we use this contructor very often... do it inline...
18 eRect( const ePoint &topleft, const eSize &size )
22 x2 = (x1+size.width());
23 y2 = (y1+size.height());
26 eRect( int left, int top, int width, int height );
31 eRect normalize() const;
44 void setLeft( int pos );
45 void setTop( int pos );
46 void setRight( int pos );
47 void setBottom( int pos );
51 ePoint topLeft() const;
52 ePoint bottomRight() const;
53 ePoint topRight() const;
54 ePoint bottomLeft() const;
55 ePoint center() const;
57 void rect( int *x, int *y, int *w, int *h ) const;
58 void coords( int *x1, int *y1, int *x2, int *y2 ) const;
60 void moveTopLeft( const ePoint &p );
61 void moveBottomRight( const ePoint &p );
62 void moveTopRight( const ePoint &p );
63 void moveBottomLeft( const ePoint &p );
64 void moveCenter( const ePoint &p );
66 void moveBy( int dx, int dy )
74 void setRect( int x, int y, int w, int h );
75 void setCoords( int x1, int y1, int x2, int y2 );
80 void setWidth( int w );
81 void setHeight( int h );
82 void setSize( const eSize &s );
84 eRect operator|(const eRect &r) const;
85 eRect operator&(const eRect &r) const;
86 eRect& operator|=(const eRect &r);
87 eRect& operator&=(const eRect &r);
89 bool contains( const ePoint &p) const;
90 bool contains( int x, int y) const;
91 bool contains( const eRect &r) const;
92 eRect unite( const eRect &r ) const;
93 eRect intersect( const eRect &r ) const;
94 bool intersects( const eRect &r ) const;
96 friend bool operator==( const eRect &, const eRect & );
97 friend bool operator!=( const eRect &, const eRect & );
106 bool operator==( const eRect &, const eRect & );
107 bool operator!=( const eRect &, const eRect & );
110 /*****************************************************************************
111 eRect stream functions
112 *****************************************************************************/
115 inline ostream &operator<<( ostream & s, const eRect & r )
117 s << r.left() << r.top()
118 << r.right() << r.bottom();
123 inline istream &operator>>( istream & s, eRect & r )
126 s >> x1 >> y1 >> x2 >> y2;
127 r.setCoords( x1, y1, x2, y2 );
132 /*****************************************************************************
133 eRect inline member functions
134 *****************************************************************************/
136 inline eRect::eRect( int left, int top, int width, int height )
144 inline bool eRect::isNull() const
145 { return x2 == x1 && y2 == y1; }
147 inline bool eRect::isEmpty() const
148 { return x1 >= x2 || y1 >= y2; }
150 inline bool eRect::isValid() const
151 { return x1 <= x2 && y1 <= y2; }
153 inline int eRect::left() const
156 inline int eRect::top() const
159 inline int eRect::right() const
162 inline int eRect::bottom() const
165 inline int &eRect::rLeft()
168 inline int & eRect::rTop()
171 inline int & eRect::rRight()
174 inline int & eRect::rBottom()
177 inline int eRect::x() const
180 inline int eRect::y() const
183 inline void eRect::setLeft( int pos )
186 inline void eRect::setTop( int pos )
189 inline void eRect::setRight( int pos )
192 inline void eRect::setBottom( int pos )
195 inline void eRect::setX( int x )
198 inline void eRect::setY( int y )
201 inline ePoint eRect::topLeft() const
202 { return ePoint(x1, y1); }
204 inline ePoint eRect::bottomRight() const
205 { return ePoint(x2, y2); }
207 inline ePoint eRect::topRight() const
208 { return ePoint(x2, y1); }
210 inline ePoint eRect::bottomLeft() const
211 { return ePoint(x1, y2); }
213 inline ePoint eRect::center() const
214 { return ePoint((x1+x2)/2, (y1+y2)/2); }
216 inline int eRect::width() const
219 inline int eRect::height() const
222 inline eSize eRect::size() const
223 { return eSize(x2-x1, y2-y1); }
225 inline bool eRect::contains( int x, int y) const
227 return x >= x1 && x < x2 && y >= y1 && y < y2;