1 files changed, 128 insertions, 0 deletions
diff --git a/lib/kofficecore/KoPoint.h b/lib/kofficecore/KoPoint.h
new file mode 100644
index 000000000..5f39e6c69
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+++ b/lib/kofficecore/KoPoint.h
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+/* This file is part of the KDE project
+   Copyright (C) 2001 David Faure <faure@kde.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#ifndef koPoint_h
+#define koPoint_h
+
+#include <qwmatrix.h>
+#include <math.h>
+
+/**
+ * A point whose coordinates are floating-point values ( "double"s ).
+ * The API isn't documented, it's a perfect mirror of QPoint.
+ */
+class KoPoint {
+
+public:
+    KoPoint() { m_x = 0; m_y = 0; }
+    KoPoint(const double &x, const double &y) : m_x(x), m_y(y) {}
+    explicit KoPoint(const QPoint & p) : m_x(p.x()), m_y(p.y()) {}
+    ~KoPoint() {}
+
+    bool operator==(const KoPoint &rhs) const { return QABS(m_x-rhs.x()) < 1E-10 && QABS(m_y-rhs.y()) < 1E-10; }
+    bool operator!=(const KoPoint &rhs) const { return QABS(m_x-rhs.x()) > 1E-10 || QABS(m_y-rhs.y()) > 1E-10; }
+
+    bool isNull() const { return m_x == 0 && m_y == 0; }
+
+    double x() const { return m_x; }
+    double y() const { return m_y; }
+    void setX(const double &x) { m_x = x; }
+    void setY(const double &y) { m_y = y; }
+
+    double &rx() { return m_x; }
+    double &ry() { return m_y; }
+
+    KoPoint &operator=(const KoPoint &rhs) { m_x = rhs.x(); m_y = rhs.y(); return *this; }
+    KoPoint &operator+=( const KoPoint &rhs ) { m_x += rhs.x(); m_y += rhs.y(); return *this; }
+    KoPoint &operator-=( const KoPoint &rhs ) { m_x -= rhs.x(); m_y -= rhs.y(); return *this; }
+    KoPoint &operator*=( const double &c ) { m_x *= c; m_y *= c; return *this; }
+
+    friend inline KoPoint operator+( const KoPoint &, const KoPoint & );
+    friend inline KoPoint operator-( const KoPoint &, const KoPoint & );
+    friend inline KoPoint operator*( const KoPoint &, const double & );
+    friend inline KoPoint operator*( const double &, const KoPoint & );
+    friend inline double  operator*( const KoPoint &a, const KoPoint &b );
+
+    // Not in QPoint:
+    void setCoords(const double &x, const double &y) { m_x = x; m_y = y; }
+    KoPoint transform (const QWMatrix &m) const
+    {
+      double x, y;
+      m.map(m_x, m_y, &x, &y);
+      return KoPoint(x, y);
+    };
+
+    bool isNear(const KoPoint &p, double range) const
+    {
+      return (p.x() >= m_x - range && p.x() <= m_x + range && p.y() >= m_y - range && p.y() <= m_y + range);
+    }
+
+    static double getAngle( const KoPoint& p1, const KoPoint& p2 ) {
+	double a = atan2( p2.x() - p1.x(), p2.y() - p1.y() ) + M_PI;
+	return ( ( - ( a * 360 ) / ( 2 * M_PI ) - 90 ) - 180 );
+    }
+
+    double manhattanLength() const
+    {
+      return QABS( m_x ) + QABS( m_y );
+    }
+
+    /// Convert to a QPoint - with precision loss!
+    QPoint toQPoint() const
+    {
+      return QPoint( qRound( m_x ), qRound( m_y ) );
+    }
+
+private:
+    double m_x, m_y;
+};
+
+inline KoPoint operator+( const KoPoint &p1, const KoPoint &p2 )
+{ return KoPoint( p1.m_x+p2.m_x, p1.m_y+p2.m_y ); }
+
+inline KoPoint operator-( const KoPoint &p1, const KoPoint &p2 )
+{ return KoPoint( p1.m_x-p2.m_x, p1.m_y-p2.m_y ); }
+
+inline KoPoint operator*( const KoPoint &p, const double &c )
+{ return KoPoint( p.m_x*c, p.m_y*c ); }
+
+inline KoPoint operator*( const double &c, const KoPoint &p )
+{ return KoPoint( p.m_x*c, p.m_y*c ); }
+
+inline double operator*( const KoPoint &a, const KoPoint &b )
+{ return a.m_x * b.m_x + a.m_y * b.m_y; }
+
+/******************************
+  kdDebug support
+*******************************/
+
+#include <kdebug.h>
+
+/** Show a floating point value with great precision (use within kdDebug) */
+#define DEBUGDOUBLE(d) QString::number( (d), 'g', 20 )
+
+inline kdbgstream operator<<( kdbgstream str, const KoPoint & r )  {
+    // should this use DEBUGDOUBLE?
+    str << "(" << r.x() << ", " << r.y() << ")";
+    return str;
+}
+
+inline kndbgstream operator<<( kndbgstream str, const KoPoint & )  { return str; }
+
+#endif