AOO410/main/basegfx/inc/basegfx/tuple/b2i64tuple.hxx - openoffice - Git at Google

 /**************************************************************
  *
  * 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
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the 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)
 	{
         return B2I64Tuple(
             std::min(rTupB.getX(), rTupA.getX()),
             std::min(rTupB.getY(), rTupA.getY()));
 	}

 	inline B2I64Tuple maximum(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB)
 	{
         return B2I64Tuple(
             std::max(rTupB.getX(), rTupA.getX()),
             std::max(rTupB.getY(), rTupA.getY()));
 	}

 	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 B2I64Tuple interpolate(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, double t)
 	{
         if(rOld1 == rOld2)
         {
             return rOld1;
         }
         else if(0.0 >= t)
         {
             return rOld1;
         }
         else if(1.0 <= t)
         {
             return rOld2;
         }
         else
         {
             return B2I64Tuple(
 			    basegfx::fround64(((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX()),
 			    basegfx::fround64(((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY()));
         }
 	}

 	inline B2I64Tuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2)
 	{
         return B2I64Tuple(
             rOld1.getX() == rOld2.getX() ? rOld1.getX() : basegfx::fround64((rOld1.getX() + rOld2.getX()) * 0.5),
             rOld1.getY() == rOld2.getY() ? rOld1.getY() : basegfx::fround64((rOld1.getY() + rOld2.getY()) * 0.5));
 	}

 	inline B2I64Tuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, const B2I64Tuple& rOld3)
 	{
         return B2I64Tuple(
             (rOld1.getX() == rOld2.getX() && rOld2.getX() == rOld3.getX()) ? rOld1.getX() : basegfx::fround64((rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0)),
             (rOld1.getY() == rOld2.getY() && rOld2.getY() == rOld3.getY()) ? rOld1.getY() : basegfx::fround64((rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0)));
 	}

 	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 */
	/**************************************************************
	*
	* 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
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the 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)
	{
	return B2I64Tuple(
	std::min(rTupB.getX(), rTupA.getX()),
	std::min(rTupB.getY(), rTupA.getY()));
	}

	inline B2I64Tuple maximum(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB)
	{
	return B2I64Tuple(
	std::max(rTupB.getX(), rTupA.getX()),
	std::max(rTupB.getY(), rTupA.getY()));
	}

	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 B2I64Tuple interpolate(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, double t)
	{
	if(rOld1 == rOld2)
	{
	return rOld1;
	}
	else if(0.0 >= t)
	{
	return rOld1;
	}
	else if(1.0 <= t)
	{
	return rOld2;
	}
	else
	{
	return B2I64Tuple(
	basegfx::fround64(((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX()),
	basegfx::fround64(((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY()));
	}
	}

	inline B2I64Tuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2)
	{
	return B2I64Tuple(
	rOld1.getX() == rOld2.getX() ? rOld1.getX() : basegfx::fround64((rOld1.getX() + rOld2.getX()) * 0.5),
	rOld1.getY() == rOld2.getY() ? rOld1.getY() : basegfx::fround64((rOld1.getY() + rOld2.getY()) * 0.5));
	}

	inline B2I64Tuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, const B2I64Tuple& rOld3)
	{
	return B2I64Tuple(
	(rOld1.getX() == rOld2.getX() && rOld2.getX() == rOld3.getX()) ? rOld1.getX() : basegfx::fround64((rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0)),
	(rOld1.getY() == rOld2.getY() && rOld2.getY() == rOld3.getY()) ? rOld1.getY() : basegfx::fround64((rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0)));
	}

	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 */