office-gobmx/include/basegfx/tuple/b3ituple.hxx
Armin Le Grand 59db4be207 Related: #i120604# corrected 3d gradients
adapted basegfx to be smarter in some areas

(cherry picked from commit 888e64505474808166c29ada24178cc3e58d6c18)

Conflicts:
	basegfx/inc/basegfx/pixel/bpixel.hxx
	basegfx/inc/basegfx/point/b2dhompoint.hxx
	basegfx/inc/basegfx/point/b3dhompoint.hxx
	basegfx/inc/basegfx/raster/rasterconvert3d.hxx
	basegfx/inc/basegfx/tuple/b2dtuple.hxx
	basegfx/inc/basegfx/tuple/b2i64tuple.hxx
	basegfx/inc/basegfx/tuple/b2ituple.hxx
	basegfx/inc/basegfx/tuple/b3dtuple.hxx
	basegfx/inc/basegfx/tuple/b3i64tuple.hxx
	basegfx/inc/basegfx/tuple/b3ituple.hxx
	basegfx/source/point/b2dhompoint.cxx
	basegfx/source/tuple/b2ituple.cxx

Change-Id: Id92864093dd40d34bd20b130cc3b405a7b8f9d91
2013-06-11 10:32:54 +01:00

345 lines
9.7 KiB
C++

/* -*- 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef _BGFX_TUPLE_B3ITUPLE_HXX
#define _BGFX_TUPLE_B3ITUPLE_HXX
#include <sal/types.h>
#include <basegfx/tuple/b3dtuple.hxx>
#include <basegfx/basegfxdllapi.h>
namespace basegfx
{
/** Base class for all Points/Vectors with three sal_Int32 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 three sal_Int32 values
*/
class BASEGFX_DLLPUBLIC SAL_WARN_UNUSED B3ITuple
{
protected:
sal_Int32 mnX;
sal_Int32 mnY;
sal_Int32 mnZ;
public:
/** Create a 3D Tuple
The tuple is initialized to (0, 0, 0)
*/
B3ITuple()
: mnX(0),
mnY(0),
mnZ(0)
{}
/** Create a 3D Tuple
@param nX
This parameter is used to initialize the X-coordinate
of the 3D Tuple.
@param nY
This parameter is used to initialize the Y-coordinate
of the 3D Tuple.
@param nZ
This parameter is used to initialize the Z-coordinate
of the 3D Tuple.
*/
B3ITuple(sal_Int32 nX, sal_Int32 nY, sal_Int32 nZ)
: mnX(nX),
mnY(nY),
mnZ(nZ)
{}
/** Create a copy of a 3D Tuple
@param rTup
The 3D Tuple which will be copied.
*/
B3ITuple(const B3ITuple& rTup)
: mnX( rTup.mnX ),
mnY( rTup.mnY ),
mnZ( rTup.mnZ )
{}
~B3ITuple()
{}
/// get X-Coordinate of 3D Tuple
sal_Int32 getX() const
{
return mnX;
}
/// get Y-Coordinate of 3D Tuple
sal_Int32 getY() const
{
return mnY;
}
/// get Z-Coordinate of 3D Tuple
sal_Int32 getZ() const
{
return mnZ;
}
/// set X-Coordinate of 3D Tuple
void setX(sal_Int32 nX)
{
mnX = nX;
}
/// set Y-Coordinate of 3D Tuple
void setY(sal_Int32 nY)
{
mnY = nY;
}
/// set Z-Coordinate of 3D Tuple
void setZ(sal_Int32 nZ)
{
mnZ = nZ;
}
/// Array-access to 3D Tuple
const sal_Int32& operator[] (int nPos) const
{
// Here, normally two if(...)'s should be used. In the assumption that
// both sal_Int32 members can be accessed as an array a shortcut is used here.
// if(0 == nPos) return mnX; if(1 == nPos) return mnY; return mnZ;
return *((&mnX) + nPos);
}
/// Array-access to 3D Tuple
sal_Int32& operator[] (int nPos)
{
// Here, normally two if(...)'s should be used. In the assumption that
// both sal_Int32 members can be accessed as an array a shortcut is used here.
// if(0 == nPos) return mnX; if(1 == nPos) return mnY; return mnZ;
return *((&mnX) + nPos);
}
// operators
//////////////////////////////////////////////////////////////////////
B3ITuple& operator+=( const B3ITuple& rTup )
{
mnX += rTup.mnX;
mnY += rTup.mnY;
mnZ += rTup.mnZ;
return *this;
}
B3ITuple& operator-=( const B3ITuple& rTup )
{
mnX -= rTup.mnX;
mnY -= rTup.mnY;
mnZ -= rTup.mnZ;
return *this;
}
B3ITuple& operator/=( const B3ITuple& rTup )
{
mnX /= rTup.mnX;
mnY /= rTup.mnY;
mnZ /= rTup.mnZ;
return *this;
}
B3ITuple& operator*=( const B3ITuple& rTup )
{
mnX *= rTup.mnX;
mnY *= rTup.mnY;
mnZ *= rTup.mnZ;
return *this;
}
B3ITuple& operator*=(sal_Int32 t)
{
mnX *= t;
mnY *= t;
mnZ *= t;
return *this;
}
B3ITuple& operator/=(sal_Int32 t)
{
mnX /= t;
mnY /= t;
mnZ /= t;
return *this;
}
B3ITuple operator-(void) const
{
return B3ITuple(-mnX, -mnY, -mnZ);
}
bool operator==( const B3ITuple& rTup ) const
{
return this == &rTup || (rTup.mnX == mnX && rTup.mnY == mnY && rTup.mnZ == mnZ);
}
bool operator!=( const B3ITuple& rTup ) const
{
return !(*this == rTup);
}
B3ITuple& operator=( const B3ITuple& rTup )
{
mnX = rTup.mnX;
mnY = rTup.mnY;
mnZ = rTup.mnZ;
return *this;
}
};
// external operators
//////////////////////////////////////////////////////////////////////////
inline B3ITuple minimum(const B3ITuple& rTupA, const B3ITuple& rTupB)
{
return B3ITuple(
std::min(rTupB.getX(), rTupA.getX()),
std::min(rTupB.getY(), rTupA.getY()),
std::min(rTupB.getZ(), rTupA.getZ()));
}
inline B3ITuple maximum(const B3ITuple& rTupA, const B3ITuple& rTupB)
{
return B3ITuple(
std::max(rTupB.getX(), rTupA.getX()),
std::max(rTupB.getY(), rTupA.getY()),
std::max(rTupB.getZ(), rTupA.getZ()));
}
inline B3ITuple absolute(const B3ITuple& rTup)
{
B3ITuple aAbs(
(0 > rTup.getX()) ? -rTup.getX() : rTup.getX(),
(0 > rTup.getY()) ? -rTup.getY() : rTup.getY(),
(0 > rTup.getZ()) ? -rTup.getZ() : rTup.getZ());
return aAbs;
}
inline B3ITuple interpolate(const B3ITuple& rOld1, const B3ITuple& rOld2, double t)
{
if(rOld1 == rOld2)
{
return rOld1;
}
else if(0.0 >= t)
{
return rOld1;
}
else if(1.0 <= t)
{
return rOld2;
}
else
{
return B3ITuple(
basegfx::fround(((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX()),
basegfx::fround(((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY()),
basegfx::fround(((rOld2.getZ() - rOld1.getZ()) * t) + rOld1.getZ()));
}
}
inline B3ITuple average(const B3ITuple& rOld1, const B3ITuple& rOld2)
{
return B3ITuple(
rOld1.getX() == rOld2.getX() ? rOld1.getX() : basegfx::fround((rOld1.getX() + rOld2.getX()) * 0.5),
rOld1.getY() == rOld2.getY() ? rOld1.getY() : basegfx::fround((rOld1.getY() + rOld2.getY()) * 0.5),
rOld1.getZ() == rOld2.getZ() ? rOld1.getZ() : basegfx::fround((rOld1.getZ() + rOld2.getZ()) * 0.5));
}
inline B3ITuple average(const B3ITuple& rOld1, const B3ITuple& rOld2, const B3ITuple& rOld3)
{
return B3ITuple(
(rOld1.getX() == rOld2.getX() && rOld2.getX() == rOld3.getX()) ? rOld1.getX() : basegfx::fround((rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0)),
(rOld1.getY() == rOld2.getY() && rOld2.getY() == rOld3.getY()) ? rOld1.getX() : basegfx::fround((rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0)),
(rOld1.getZ() == rOld2.getZ() && rOld2.getZ() == rOld3.getZ()) ? rOld1.getX() : basegfx::fround((rOld1.getZ() + rOld2.getZ() + rOld3.getZ()) * (1.0 / 3.0)));
}
inline B3ITuple operator+(const B3ITuple& rTupA, const B3ITuple& rTupB)
{
B3ITuple aSum(rTupA);
aSum += rTupB;
return aSum;
}
inline B3ITuple operator-(const B3ITuple& rTupA, const B3ITuple& rTupB)
{
B3ITuple aSub(rTupA);
aSub -= rTupB;
return aSub;
}
inline B3ITuple operator/(const B3ITuple& rTupA, const B3ITuple& rTupB)
{
B3ITuple aDiv(rTupA);
aDiv /= rTupB;
return aDiv;
}
inline B3ITuple operator*(const B3ITuple& rTupA, const B3ITuple& rTupB)
{
B3ITuple aMul(rTupA);
aMul *= rTupB;
return aMul;
}
inline B3ITuple operator*(const B3ITuple& rTup, sal_Int32 t)
{
B3ITuple aNew(rTup);
aNew *= t;
return aNew;
}
inline B3ITuple operator*(sal_Int32 t, const B3ITuple& rTup)
{
B3ITuple aNew(rTup);
aNew *= t;
return aNew;
}
inline B3ITuple operator/(const B3ITuple& rTup, sal_Int32 t)
{
B3ITuple aNew(rTup);
aNew /= t;
return aNew;
}
inline B3ITuple operator/(sal_Int32 t, const B3ITuple& rTup)
{
B3ITuple aNew(t, t, t);
B3ITuple aTmp(rTup);
aNew /= aTmp;
return aNew;
}
} // end of namespace basegfx
#endif /* _BGFX_TUPLE_B3ITUPLE_HXX */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */