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149 lines
6.2 KiB
149 lines
6.2 KiB
/* This file is part of the KDE project
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Copyright (C) 2001 David Faure <faure@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2, as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef koRect_h
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#define koRect_h
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#include "KoPoint.h"
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#include "KoSize.h"
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#include <tqrect.h>
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#include "koffice_export.h"
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/**
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* A rect whose coordinates are floating-point values ( "double"s ).
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* The API isn't documented, it's a perfect mirror of TQRect.
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*/
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class KOFFICEUI_EXPORT KoRect {
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public:
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KoRect()
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: m_tl(), m_br() {}
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KoRect(const KoPoint &topleft, const KoPoint &bottomright)
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: m_tl(topleft), m_br(bottomright) {}
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KoRect(const KoPoint &topleft, const KoSize &size)
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{m_tl = topleft; setSize(size);}
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KoRect(const double &left, const double &top, const double &width, const double &height)
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: m_tl(left,top), m_br(left+width,top+height) {}
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~KoRect() {}
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bool isNull() const { return m_tl == m_br; }
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// Like TQRect, a null KoRect is empty.
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bool isEmpty() const { return m_tl.x() > m_br.x() || m_tl.y() > m_br.y() || isNull(); }
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// Unlike TQRect, a null KoRect is valid (0-sized).
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bool isValid() const { return m_tl.x() <= m_br.x() && m_tl.y() <= m_br.y(); }
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KoRect normalize() const;
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double left() const { return m_tl.x(); }
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double top() const { return m_tl.y(); }
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double right() const { return m_br.x(); }
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double bottom() const { return m_br.y(); }
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double& rLeft() { return m_tl.rx(); }
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double& rTop() { return m_tl.ry(); }
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double& rRight() { return m_br.rx(); }
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double& rBottom() { return m_br.ry(); }
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double x() const { return left(); }
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double y() const { return top(); }
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void setLeft(const double &left) { m_tl.setX(left); }
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void setTop(const double &top) { m_tl.setY(top); }
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void setRight(const double &right) { m_br.setX(right); }
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void setBottom(const double &bottom) { m_br.setY(bottom); }
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void setX(const double &x) { m_tl.setX(x); } //same as setLeft()
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void setY(const double &y) { m_tl.setY(y); } //same as setTop()
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KoPoint topLeft() const { return m_tl; }
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KoPoint bottomRight() const { return m_br; }
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KoPoint topRight() const { return KoPoint(m_br.x(), m_tl.y()); }
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KoPoint bottomLeft() const { return KoPoint(m_tl.x(), m_br.y()); }
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KoPoint center() const;
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void setTopLeft(const KoPoint &topleft);
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void setBottomRight(const KoPoint &bottomright);
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void setTopRight(const KoPoint &topright);
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void setBottomLeft(const KoPoint &bottomleft);
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void moveTopLeft(const KoPoint &topleft);
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void moveBottomRight(const KoPoint &bottomright);
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void moveTopRight(const KoPoint &topright);
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void moveBottomLeft(const KoPoint &bottomleft);
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//void moveCenter(const KoPoint ¢er);
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void moveBy(const double &dx, const double &dy);
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void setRect(const double &x, const double &y, const double &width, const double &height);
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void setRect(const KoRect &rect);
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void setCoords(const double &x1, const double &y1, const double &x2, const double &y2);
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KoSize size() const;
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double width() const { return m_br.x()-m_tl.x(); }
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double height() const { return m_br.y()-m_tl.y(); }
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void setWidth(const double &width) { m_br.setX(m_tl.x()+width); }
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void setHeight(const double &height) { m_br.setY(m_tl.y()+height); }
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void setSize(const KoSize &size);
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KoRect &operator|=(const KoRect &rhs);
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KoRect &operator&=(const KoRect &rhs);
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/**
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* Returns if the point is contained in the rect.
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* @param p the point to test
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* Will return true if the point is contained in the 2d area this rect represents, this means
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* that it will return true on everthing from the topleft() to the bottomright();
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* Note that for KoRect(0, 0, 100, 100) the KoPoint(0, 0) as well as KoPoint(100, 100) are
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* mathmatically contained in the rect, this in contrary to pixel based rectangles.
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*/
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bool tqcontains(const KoPoint &p) const;
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/// Helper function for the above function.
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bool tqcontains(const double &x, const double &y) const;
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/// Helper function for the above function.
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bool tqcontains(const KoRect &r) const;
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KoRect unite(const KoRect &r) const;
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KoRect intersect(const KoRect &r) const;
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bool intersects(const KoRect &r) const;
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KoRect transform(const TQWMatrix &m) const;
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KoRect translate(double dx, double dy) const;
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TQRect toTQRect() const;
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static KoRect fromTQRect( const TQRect &rect );
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private:
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KoPoint m_tl, m_br;
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};
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KoRect operator|(const KoRect &lhs, const KoRect &rhs);
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KoRect operator&(const KoRect &lhs, const KoRect &rhs);
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KOFFICEUI_EXPORT bool operator==(const KoRect &lhs, const KoRect &rhs);
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KOFFICEUI_EXPORT bool operator!=(const KoRect &lhs, const KoRect &rhs);
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/** Show the position and size of a rectangle (use within kdDebug) */
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#define DEBUGRECT(rc) (rc).x() << "," << (rc).y() << " " << (rc).width() << "x" << (rc).height()
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//inline kdbgstream operator<<( kdbgstream str, const KoRect & r ) { str << "[" << r.left() << ", " << r.top() << " - " << r.right() << ", " << r.bottom() << "]"; return str; }
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inline kdbgstream operator<<( kdbgstream str, const KoRect & r ) { str << "[" << r.left() << "," << r.top() << " " << r.width() << "x" << r.height() << "]"; return str; }
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inline kndbgstream operator<<( kndbgstream str, const KoRect & ) { return str; }
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/** Show the rectangles that form a region (use as a standalone statement) */
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#define DEBUGREGION(reg) { TQMemArray<TQRect>rs=reg.rects(); for (int i=0;i<rs.size();++i) \
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kdDebug()<<" "<<DEBUGRECT(rs[i] )<<endl; }
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// You can now use kdDebug() << theregion << endl; (kdebug.h)
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#endif
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