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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#pragma once
#include <basegfx/utils/common.hxx>
#include <basegfx/numeric/ftools.hxx>
namespace basegfx
{
template <typename TYPE> class Tuple2D
{
protected:
union {
// temporary alias mnX with mfX and mnY with mfY
struct
{
TYPE mnX;
TYPE mnY;
};
struct
{
TYPE mfX;
TYPE mfY;
};
};
public:
/** Create a 2D Tuple
@param nX
This parameter is used to initialize the X-coordinate
of the 2D Tuple.
@param nY
This parameter is used to initialize the Y-coordinate
of the 2D Tuple.
*/
Tuple2D(TYPE x, TYPE y)
: mnX(x)
, mnY(y)
{
}
double get(Axis2D eAxis) { return eAxis == Axis2D::X ? getX() : getY(); }
void set(Axis2D eAxis, TYPE fValue)
{
if (eAxis == Axis2D::X)
setX(fValue);
else
setY(fValue);
}
/// Get X-Coordinate of 2D Tuple
TYPE getX() const { return mnX; }
/// Get Y-Coordinate of 2D Tuple
TYPE getY() const { return mnY; }
/// Set X-Coordinate of 2D Tuple
void setX(TYPE fX) { mnX = fX; }
/// Set Y-Coordinate of 2D Tuple
void setY(TYPE fY) { mnY = fY; }
/// Adjust X-Coordinate of 2D Tuple
void adjustX(TYPE fX) { mnX += fX; }
/// Adjust Y-Coordinate of 2D Tuple
void adjustY(TYPE fY) { mnY += fY; }
// comparators with tolerance
template <typename T = TYPE, std::enable_if_t<std::is_integral_v<T>, int> = 0>
bool equal(const Tuple2D<TYPE>& rTup) const
{
return mfX == rTup.mfX && mfY == rTup.mfY;
}
template <typename T = TYPE, std::enable_if_t<std::is_floating_point_v<T>, int> = 0>
bool equal(const Tuple2D<TYPE>& rTup) const
{
return this == &rTup || (fTools::equal(mfX, rTup.mfX) && fTools::equal(mfY, rTup.mfY));
}
template <typename T = TYPE, std::enable_if_t<std::is_integral_v<T>, int> = 0>
bool equalZero() const
{
return mnX == 0 && mnY == 0;
}
template <typename T = TYPE, std::enable_if_t<std::is_floating_point_v<T>, int> = 0>
bool equalZero() const
{
return fTools::equalZero(mfX) && fTools::equalZero(mfY);
}
// operator overrides
Tuple2D& operator+=(const Tuple2D& rTup)
{
mfX += rTup.mfX;
mfY += rTup.mfY;
return *this;
}
Tuple2D& operator-=(const Tuple2D& rTup)
{
mfX -= rTup.mfX;
mfY -= rTup.mfY;
return *this;
}
Tuple2D& operator/=(const Tuple2D& rTup)
{
mfX /= rTup.mfX;
mfY /= rTup.mfY;
return *this;
}
Tuple2D& operator*=(const Tuple2D& rTup)
{
mfX *= rTup.mfX;
mfY *= rTup.mfY;
return *this;
}
Tuple2D& operator*=(TYPE t)
{
mfX *= t;
mfY *= t;
return *this;
}
Tuple2D& operator/=(TYPE t)
{
mfX /= t;
mfY /= t;
return *this;
}
bool operator==(const Tuple2D& rTup) const { return mfX == rTup.mfX && mfY == rTup.mfY; }
bool operator!=(const Tuple2D& rTup) const { return !(*this == rTup); }
};
} // end of namespace basegfx
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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