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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _BGFX_TUPLE_B2I64TUPLE_HXX
+#define _BGFX_TUPLE_B2I64TUPLE_HXX
+
+#include <sal/types.h>
+#include <basegfx/tuple/b2dtuple.hxx>
+
+
+namespace basegfx
+{
+ /** Base class for all Points/Vectors with two sal_Int64 values
+
+ This class provides all methods common to Point
+ avd Vector classes which are derived from here.
+
+ @derive Use this class to implement Points or Vectors
+ which are based on two sal_Int64 values
+ */
+ class B2I64Tuple
+ {
+ protected:
+ sal_Int64 mnX;
+ sal_Int64 mnY;
+
+ public:
+ /** Create a 2D Tuple
+
+ The tuple is initialized to (0, 0)
+ */
+ B2I64Tuple()
+ : mnX(0),
+ mnY(0)
+ {}
+
+ /** Create a 2D Tuple
+
+ @param fX
+ This parameter is used to initialize the X-coordinate
+ of the 2D Tuple.
+
+ @param fY
+ This parameter is used to initialize the Y-coordinate
+ of the 2D Tuple.
+ */
+ B2I64Tuple(sal_Int64 fX, sal_Int64 fY)
+ : mnX( fX ),
+ mnY( fY )
+ {}
+
+ /** Create a copy of a 2D Tuple
+
+ @param rTup
+ The 2D Tuple which will be copied.
+ */
+ B2I64Tuple(const B2I64Tuple& rTup)
+ : mnX( rTup.mnX ),
+ mnY( rTup.mnY )
+ {}
+
+ ~B2I64Tuple()
+ {}
+
+ /// Get X-Coordinate of 2D Tuple
+ sal_Int64 getX() const
+ {
+ return mnX;
+ }
+
+ /// Get Y-Coordinate of 2D Tuple
+ sal_Int64 getY() const
+ {
+ return mnY;
+ }
+
+ /// Set X-Coordinate of 2D Tuple
+ void setX(sal_Int64 fX)
+ {
+ mnX = fX;
+ }
+
+ /// Set Y-Coordinate of 2D Tuple
+ void setY(sal_Int64 fY)
+ {
+ mnY = fY;
+ }
+
+ /// Array-access to 2D Tuple
+ const sal_Int64& operator[] (int nPos) const
+ {
+ // Here, normally one if(...) should be used. In the assumption that
+ // both sal_Int64 members can be accessed as an array a shortcut is used here.
+ // if(0 == nPos) return mnX; return mnY;
+ return *((&mnX) + nPos);
+ }
+
+ /// Array-access to 2D Tuple
+ sal_Int64& operator[] (int nPos)
+ {
+ // Here, normally one if(...) should be used. In the assumption that
+ // both sal_Int64 members can be accessed as an array a shortcut is used here.
+ // if(0 == nPos) return mnX; return mnY;
+ return *((&mnX) + nPos);
+ }
+
+ // operators
+ //////////////////////////////////////////////////////////////////////
+
+ B2I64Tuple& operator+=( const B2I64Tuple& rTup )
+ {
+ mnX += rTup.mnX;
+ mnY += rTup.mnY;
+ return *this;
+ }
+
+ B2I64Tuple& operator-=( const B2I64Tuple& rTup )
+ {
+ mnX -= rTup.mnX;
+ mnY -= rTup.mnY;
+ return *this;
+ }
+
+ B2I64Tuple& operator/=( const B2I64Tuple& rTup )
+ {
+ mnX /= rTup.mnX;
+ mnY /= rTup.mnY;
+ return *this;
+ }
+
+ B2I64Tuple& operator*=( const B2I64Tuple& rTup )
+ {
+ mnX *= rTup.mnX;
+ mnY *= rTup.mnY;
+ return *this;
+ }
+
+ B2I64Tuple& operator*=(sal_Int64 t)
+ {
+ mnX *= t;
+ mnY *= t;
+ return *this;
+ }
+
+ B2I64Tuple& operator/=(sal_Int64 t)
+ {
+ mnX /= t;
+ mnY /= t;
+ return *this;
+ }
+
+ B2I64Tuple operator-(void) const
+ {
+ return B2I64Tuple(-mnX, -mnY);
+ }
+
+ bool equalZero() const { return mnX == 0 && mnY == 0; }
+
+ bool operator==( const B2I64Tuple& rTup ) const
+ {
+ return this == &rTup || (rTup.mnX == mnX && rTup.mnY == mnY);
+ }
+
+ bool operator!=( const B2I64Tuple& rTup ) const
+ {
+ return !(*this == rTup);
+ }
+
+ B2I64Tuple& operator=( const B2I64Tuple& rTup )
+ {
+ mnX = rTup.mnX;
+ mnY = rTup.mnY;
+ return *this;
+ }
+
+ static const B2I64Tuple& getEmptyTuple();
+ };
+
+ // external operators
+ //////////////////////////////////////////////////////////////////////////
+
+ inline B2I64Tuple minimum(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB)
+ {
+ B2I64Tuple aMin(
+ (rTupB.getX() < rTupA.getX()) ? rTupB.getX() : rTupA.getX(),
+ (rTupB.getY() < rTupA.getY()) ? rTupB.getY() : rTupA.getY());
+ return aMin;
+ }
+
+ inline B2I64Tuple maximum(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB)
+ {
+ B2I64Tuple aMax(
+ (rTupB.getX() > rTupA.getX()) ? rTupB.getX() : rTupA.getX(),
+ (rTupB.getY() > rTupA.getY()) ? rTupB.getY() : rTupA.getY());
+ return aMax;
+ }
+
+ inline B2I64Tuple absolute(const B2I64Tuple& rTup)
+ {
+ B2I64Tuple aAbs(
+ (0 > rTup.getX()) ? -rTup.getX() : rTup.getX(),
+ (0 > rTup.getY()) ? -rTup.getY() : rTup.getY());
+ return aAbs;
+ }
+
+ inline B2DTuple interpolate(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, double t)
+ {
+ B2DTuple aInt(
+ ((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX(),
+ ((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY());
+ return aInt;
+ }
+
+ inline B2DTuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2)
+ {
+ B2DTuple aAvg(
+ (rOld1.getX() + rOld2.getX()) * 0.5,
+ (rOld1.getY() + rOld2.getY()) * 0.5);
+ return aAvg;
+ }
+
+ inline B2DTuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, const B2I64Tuple& rOld3)
+ {
+ B2DTuple aAvg(
+ (rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0),
+ (rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0));
+ return aAvg;
+ }
+
+ inline B2I64Tuple operator+(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB)
+ {
+ B2I64Tuple aSum(rTupA);
+ aSum += rTupB;
+ return aSum;
+ }
+
+ inline B2I64Tuple operator-(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB)
+ {
+ B2I64Tuple aSub(rTupA);
+ aSub -= rTupB;
+ return aSub;
+ }
+
+ inline B2I64Tuple operator/(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB)
+ {
+ B2I64Tuple aDiv(rTupA);
+ aDiv /= rTupB;
+ return aDiv;
+ }
+
+ inline B2I64Tuple operator*(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB)
+ {
+ B2I64Tuple aMul(rTupA);
+ aMul *= rTupB;
+ return aMul;
+ }
+
+ inline B2I64Tuple operator*(const B2I64Tuple& rTup, sal_Int64 t)
+ {
+ B2I64Tuple aNew(rTup);
+ aNew *= t;
+ return aNew;
+ }
+
+ inline B2I64Tuple operator*(sal_Int64 t, const B2I64Tuple& rTup)
+ {
+ B2I64Tuple aNew(rTup);
+ aNew *= t;
+ return aNew;
+ }
+
+ inline B2I64Tuple operator/(const B2I64Tuple& rTup, sal_Int64 t)
+ {
+ B2I64Tuple aNew(rTup);
+ aNew /= t;
+ return aNew;
+ }
+
+ inline B2I64Tuple operator/(sal_Int64 t, const B2I64Tuple& rTup)
+ {
+ B2I64Tuple aNew(t, t);
+ B2I64Tuple aTmp(rTup);
+ aNew /= aTmp;
+ return aNew;
+ }
+} // end of namespace basegfx
+
+#endif /* _BGFX_TUPLE_B2I64TUPLE_HXX */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */