koRect.h
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00019 #ifndef koRect_h
00020 #define koRect_h
00021
00022 #include "koPoint.h"
00023 #include "koSize.h"
00024 #include <qrect.h>
00025 #include <koffice_export.h>
00026
00031 class KOFFICEUI_EXPORT KoRect {
00032
00033 public:
00034 KoRect()
00035 : m_tl(), m_br() {}
00036 KoRect(const KoPoint &topleft, const KoPoint &bottomright)
00037 : m_tl(topleft), m_br(bottomright) {}
00038 KoRect(const KoPoint &topleft, const KoSize &size)
00039 {m_tl = topleft; setSize(size);}
00040 KoRect(const double &left, const double &top, const double &width, const double &height)
00041 : m_tl(left,top), m_br(left+width,top+height) {}
00042 ~KoRect() {}
00043
00044 bool isNull() const { return m_tl == m_br; }
00045
00046 bool isEmpty() const { return m_tl.x() > m_br.x() || m_tl.y() > m_br.y() || isNull(); }
00047
00048 bool isValid() const { return m_tl.x() <= m_br.x() && m_tl.y() <= m_br.y(); }
00049 KoRect normalize() const;
00050
00051 double left() const { return m_tl.x(); }
00052 double top() const { return m_tl.y(); }
00053 double right() const { return m_br.x(); }
00054 double bottom() const { return m_br.y(); }
00055
00056 double& rLeft() { return m_tl.rx(); }
00057 double& rTop() { return m_tl.ry(); }
00058 double& rRight() { return m_br.rx(); }
00059 double& rBottom() { return m_br.ry(); }
00060
00061 double x() const { return left(); }
00062 double y() const { return top(); }
00063
00064 void setLeft(const double &left) { m_tl.setX(left); }
00065 void setTop(const double &top) { m_tl.setY(top); }
00066 void setRight(const double &right) { m_br.setX(right); }
00067 void setBottom(const double &bottom) { m_br.setY(bottom); }
00068
00069 void setX(const double &x) { m_tl.setX(x); }
00070 void setY(const double &y) { m_tl.setY(y); }
00071
00072 KoPoint topLeft() const { return m_tl; }
00073 KoPoint bottomRight() const { return m_br; }
00074 KoPoint topRight() const { return KoPoint(m_br.x(), m_tl.y()); }
00075 KoPoint bottomLeft() const { return KoPoint(m_tl.x(), m_br.y()); }
00076 KoPoint center() const;
00077
00078 void moveTopLeft(const KoPoint &topleft);
00079 void moveBottomRight(const KoPoint &bottomright);
00080 void moveTopRight(const KoPoint &topright);
00081 void moveBottomLeft(const KoPoint &bottomleft);
00082
00083 void moveBy(const double &dx, const double &dy);
00084
00085 void setRect(const double &x, const double &y, const double &width, const double &height);
00086 void setRect(const KoRect &rect);
00087 void setCoords(const double &x1, const double &y1, const double &x2, const double &y2);
00088
00089 KoSize size() const;
00090 double width() const { return m_br.x()-m_tl.x(); }
00091 double height() const { return m_br.y()-m_tl.y(); }
00092 void setWidth(const double &width) { m_br.setX(m_tl.x()+width); }
00093 void setHeight(const double &height) { m_br.setY(m_tl.y()+height); }
00094 void setSize(const KoSize &size);
00095
00096 KoRect &operator|=(const KoRect &rhs);
00097 KoRect &operator&=(const KoRect &rhs);
00098 bool contains(const KoPoint &p, bool proper=false) const;
00099 bool contains(const double &x, const double &y, bool proper=false) const;
00100 bool contains(const KoRect &r, bool proper=false) const;
00101 KoRect unite(const KoRect &r) const;
00102 KoRect intersect(const KoRect &r) const;
00103 bool intersects(const KoRect &r) const;
00104
00105 KoRect transform(const QWMatrix &m) const;
00106 KoRect translate(double dx, double dy) const;
00107
00108 QRect toQRect() const;
00109 static KoRect fromQRect( const QRect &rect );
00110
00111 private:
00112 KoPoint m_tl, m_br;
00113 };
00114
00115 KoRect operator|(const KoRect &lhs, const KoRect &rhs);
00116 KoRect operator&(const KoRect &lhs, const KoRect &rhs);
00117 KOFFICEUI_EXPORT bool operator==(const KoRect &lhs, const KoRect &rhs);
00118 KOFFICEUI_EXPORT bool operator!=(const KoRect &lhs, const KoRect &rhs);
00119
00120
00122 #define DEBUGRECT(rc) (rc).x() << "," << (rc).y() << " " << (rc).width() << "x" << (rc).height()
00123
00124
00125 inline kdbgstream operator<<( kdbgstream str, const KoRect & r ) { str << "[" << r.left() << "," << r.top() << " " << r.width() << "x" << r.height() << "]"; return str; }
00126 inline kndbgstream operator<<( kndbgstream str, const KoRect & ) { return str; }
00127
00129 #define DEBUGREGION(reg) { QMemArray<QRect>rs=reg.rects(); for (int i=0;i<rs.size();++i) \
00130 kdDebug()<<" "<<DEBUGRECT(rs[i] )<<endl; }
00131
00132
00133 #endif
This file is part of the documentation for lib Library Version 1.4.2.