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libreoffice/basegfx/source/tuple/b2ituple.cxx

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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
* OpenOffice.org - a multi-platform office productivity suite
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*
* This file is part of OpenOffice.org.
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*
* 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.
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*
* 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).
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*
* 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.
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*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basegfx.hxx"
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#include <basegfx/tuple/b2ituple.hxx>
#include <basegfx/tuple/b2dtuple.hxx>
#include <rtl/instance.hxx>
namespace { struct EmptyTuple : public rtl::Static<basegfx::B2ITuple, EmptyTuple> {}; }
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namespace basegfx
{
const B2ITuple& B2ITuple::getEmptyTuple()
{
return EmptyTuple::get();
}
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// external operators
//////////////////////////////////////////////////////////////////////////
B2ITuple minimum(const B2ITuple& rTupA, const B2ITuple& rTupB)
{
B2ITuple aMin(
(rTupB.getX() < rTupA.getX()) ? rTupB.getX() : rTupA.getX(),
(rTupB.getY() < rTupA.getY()) ? rTupB.getY() : rTupA.getY());
return aMin;
}
B2ITuple maximum(const B2ITuple& rTupA, const B2ITuple& rTupB)
{
B2ITuple aMax(
(rTupB.getX() > rTupA.getX()) ? rTupB.getX() : rTupA.getX(),
(rTupB.getY() > rTupA.getY()) ? rTupB.getY() : rTupA.getY());
return aMax;
}
B2ITuple absolute(const B2ITuple& rTup)
{
B2ITuple aAbs(
(0 > rTup.getX()) ? -rTup.getX() : rTup.getX(),
(0 > rTup.getY()) ? -rTup.getY() : rTup.getY());
return aAbs;
}
B2DTuple interpolate(const B2ITuple& rOld1, const B2ITuple& rOld2, double t)
{
B2DTuple aInt(
((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX(),
((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY());
return aInt;
}
B2DTuple average(const B2ITuple& rOld1, const B2ITuple& rOld2)
{
B2DTuple aAvg(
(rOld1.getX() + rOld2.getX()) * 0.5,
(rOld1.getY() + rOld2.getY()) * 0.5);
return aAvg;
}
B2DTuple average(const B2ITuple& rOld1, const B2ITuple& rOld2, const B2ITuple& 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;
}
B2ITuple operator+(const B2ITuple& rTupA, const B2ITuple& rTupB)
{
B2ITuple aSum(rTupA);
aSum += rTupB;
return aSum;
}
B2ITuple operator-(const B2ITuple& rTupA, const B2ITuple& rTupB)
{
B2ITuple aSub(rTupA);
aSub -= rTupB;
return aSub;
}
B2ITuple operator/(const B2ITuple& rTupA, const B2ITuple& rTupB)
{
B2ITuple aDiv(rTupA);
aDiv /= rTupB;
return aDiv;
}
B2ITuple operator*(const B2ITuple& rTupA, const B2ITuple& rTupB)
{
B2ITuple aMul(rTupA);
aMul *= rTupB;
return aMul;
}
B2ITuple operator*(const B2ITuple& rTup, sal_Int32 t)
{
B2ITuple aNew(rTup);
aNew *= t;
return aNew;
}
B2ITuple operator*(sal_Int32 t, const B2ITuple& rTup)
{
B2ITuple aNew(rTup);
aNew *= t;
return aNew;
}
B2ITuple operator/(const B2ITuple& rTup, sal_Int32 t)
{
B2ITuple aNew(rTup);
aNew /= t;
return aNew;
}
B2ITuple operator/(sal_Int32 t, const B2ITuple& rTup)
{
B2ITuple aNew(t, t);
B2ITuple aTmp(rTup);
aNew /= aTmp;
return aNew;
}
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} // end of namespace basegfx
// eof