koRect.h
00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019 #ifndef koRect_h
00020 #define koRect_h
00021
00022 #include "koPoint.h"
00023 #include "koSize.h"
00024 #include <qrect.h>
00025
00030 class KoRect {
00031
00032 public:
00033 KoRect()
00034 : m_tl(), m_br() {}
00035 KoRect(const KoPoint &topleft, const KoPoint &bottomright)
00036 : m_tl(topleft), m_br(bottomright) {}
00037 KoRect(const KoPoint &topleft, const KoSize &size)
00038 {m_tl = topleft; setSize(size);}
00039 KoRect(const double &left, const double &top, const double &width, const double &height)
00040 : m_tl(left,top), m_br(left+width,top+height) {}
00041 ~KoRect() {}
00042
00043 bool isNull() const { return m_tl == m_br; }
00044
00045 bool isEmpty() const { return m_tl.x() > m_br.x() || m_tl.y() > m_br.y() || isNull(); }
00046
00047 bool isValid() const { return m_tl.x() <= m_br.x() && m_tl.y() <= m_br.y(); }
00048 KoRect normalize() const;
00049
00050 double left() const { return m_tl.x(); }
00051 double top() const { return m_tl.y(); }
00052 double right() const { return m_br.x(); }
00053 double bottom() const { return m_br.y(); }
00054
00055 double& rLeft() { return m_tl.rx(); }
00056 double& rTop() { return m_tl.ry(); }
00057 double& rRight() { return m_br.rx(); }
00058 double& rBottom() { return m_br.ry(); }
00059
00060 double x() const { return left(); }
00061 double y() const { return top(); }
00062
00063 void setLeft(const double &left) { m_tl.setX(left); }
00064 void setTop(const double &top) { m_tl.setY(top); }
00065 void setRight(const double &right) { m_br.setX(right); }
00066 void setBottom(const double &bottom) { m_br.setY(bottom); }
00067
00068 void setX(const double &x) { m_tl.setX(x); }
00069 void setY(const double &y) { m_tl.setY(y); }
00070
00071 KoPoint topLeft() const { return m_tl; }
00072 KoPoint bottomRight() const { return m_br; }
00073 KoPoint topRight() const { return KoPoint(m_br.x(), m_tl.y()); }
00074 KoPoint bottomLeft() const { return KoPoint(m_tl.x(), m_br.y()); }
00075 KoPoint center() const;
00076
00077 void moveTopLeft(const KoPoint &topleft);
00078 void moveBottomRight(const KoPoint &bottomright);
00079 void moveTopRight(const KoPoint &topright);
00080 void moveBottomLeft(const KoPoint &bottomleft);
00081
00082 void moveBy(const double &dx, const double &dy);
00083
00084 void setRect(const double &x, const double &y, const double &width, const double &height);
00085 void setRect(const KoRect &rect);
00086 void setCoords(const double &x1, const double &y1, const double &x2, const double &y2);
00087
00088 KoSize size() const;
00089 double width() const { return m_br.x()-m_tl.x(); }
00090 double height() const { return m_br.y()-m_tl.y(); }
00091 void setWidth(const double &width) { m_br.setX(m_tl.x()+width); }
00092 void setHeight(const double &height) { m_br.setY(m_tl.y()+height); }
00093 void setSize(const KoSize &size);
00094
00095 KoRect &operator|=(const KoRect &rhs);
00096 KoRect &operator&=(const KoRect &rhs);
00097 bool contains(const KoPoint &p, bool proper=false) const;
00098 bool contains(const double &x, const double &y, bool proper=false) const;
00099 bool contains(const KoRect &r, bool proper=false) const;
00100 KoRect unite(const KoRect &r) const;
00101 KoRect intersect(const KoRect &r) const;
00102 bool intersects(const KoRect &r) const;
00103
00104 KoRect transform(const QWMatrix &m) const;
00105 KoRect translate(double dx, double dy) const;
00106
00107 QRect toQRect() const;
00108 static KoRect fromQRect( const QRect &rect );
00109
00110 private:
00111 KoPoint m_tl, m_br;
00112 };
00113
00114 KoRect operator|(const KoRect &lhs, const KoRect &rhs);
00115 KoRect operator&(const KoRect &lhs, const KoRect &rhs);
00116 bool operator==(const KoRect &lhs, const KoRect &rhs);
00117 bool operator!=(const KoRect &lhs, const KoRect &rhs);
00118
00119
00121 #define DEBUGRECT(rc) (rc).x() << "," << (rc).y() << " " << (rc).width() << "x" << (rc).height()
00122
00123
00124 inline kdbgstream operator<<( kdbgstream str, const KoRect & r ) { str << "[" << r.left() << "," << r.top() << " " << r.width() << "x" << r.height() << "]"; return str; }
00125 inline kndbgstream operator<<( kndbgstream str, const KoRect & ) { return str; }
00126
00128 #define DEBUGREGION(reg) { QMemArray<QRect>rs=reg.rects(); for (int i=0;i<rs.size();++i) \
00129 kdDebug()<<" "<<DEBUGRECT(rs[i] )<<endl; }
00130
00131
00132 #endif
This file is part of the documentation for lib Library Version 1.3.5.