xref: /aoo42x/main/basegfx/source/point/b2dpoint.cxx (revision 09dbbe93)
1*09dbbe93SAndrew Rist /**************************************************************
2cdf0e10cSrcweir  *
3*09dbbe93SAndrew Rist  * Licensed to the Apache Software Foundation (ASF) under one
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21*09dbbe93SAndrew Rist 
22*09dbbe93SAndrew Rist 
23cdf0e10cSrcweir 
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_basegfx.hxx"
26cdf0e10cSrcweir #include <basegfx/point/b2dpoint.hxx>
27cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrix.hxx>
28cdf0e10cSrcweir #include <basegfx/numeric/ftools.hxx>
29cdf0e10cSrcweir 
30cdf0e10cSrcweir //////////////////////////////////////////////////////////////////////////////
31cdf0e10cSrcweir 
32cdf0e10cSrcweir namespace basegfx
33cdf0e10cSrcweir {
operator =(const::basegfx::B2DTuple & rPoint)34cdf0e10cSrcweir 	B2DPoint& B2DPoint::operator=( const ::basegfx::B2DTuple& rPoint )
35cdf0e10cSrcweir 	{
36cdf0e10cSrcweir 		mfX = rPoint.getX();
37cdf0e10cSrcweir 		mfY = rPoint.getY();
38cdf0e10cSrcweir 		return *this;
39cdf0e10cSrcweir 	}
40cdf0e10cSrcweir 
operator *=(const::basegfx::B2DHomMatrix & rMat)41cdf0e10cSrcweir 	B2DPoint& B2DPoint::operator*=( const ::basegfx::B2DHomMatrix& rMat )
42cdf0e10cSrcweir 	{
43cdf0e10cSrcweir 		double fTempX(
44cdf0e10cSrcweir 			rMat.get(0, 0) * mfX +
45cdf0e10cSrcweir 			rMat.get(0, 1) * mfY +
46cdf0e10cSrcweir 			rMat.get(0, 2));
47cdf0e10cSrcweir 		double fTempY(
48cdf0e10cSrcweir 			rMat.get(1, 0) * mfX +
49cdf0e10cSrcweir 			rMat.get(1, 1) * mfY +
50cdf0e10cSrcweir 			rMat.get(1, 2));
51cdf0e10cSrcweir 
52cdf0e10cSrcweir 		if(!rMat.isLastLineDefault())
53cdf0e10cSrcweir 		{
54cdf0e10cSrcweir 			const double fOne(1.0);
55cdf0e10cSrcweir 			const double fTempM(
56cdf0e10cSrcweir 				rMat.get(2, 0) * mfX +
57cdf0e10cSrcweir 				rMat.get(2, 1) * mfY +
58cdf0e10cSrcweir 				rMat.get(2, 2));
59cdf0e10cSrcweir 
60cdf0e10cSrcweir 			if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM))
61cdf0e10cSrcweir 			{
62cdf0e10cSrcweir 				fTempX /= fTempM;
63cdf0e10cSrcweir 				fTempY /= fTempM;
64cdf0e10cSrcweir 			}
65cdf0e10cSrcweir 		}
66cdf0e10cSrcweir 
67cdf0e10cSrcweir 		mfX = fTempX;
68cdf0e10cSrcweir 		mfY = fTempY;
69cdf0e10cSrcweir 
70cdf0e10cSrcweir 		return *this;
71cdf0e10cSrcweir 	}
72cdf0e10cSrcweir 
operator *(const::basegfx::B2DHomMatrix & rMat,const B2DPoint & rPoint)73cdf0e10cSrcweir 	B2DPoint operator*( const ::basegfx::B2DHomMatrix& rMat, const B2DPoint& rPoint )
74cdf0e10cSrcweir 	{
75cdf0e10cSrcweir 		B2DPoint aRes( rPoint );
76cdf0e10cSrcweir 		return aRes *= rMat;
77cdf0e10cSrcweir 	}
78cdf0e10cSrcweir } // end of namespace basegfx
79cdf0e10cSrcweir 
80cdf0e10cSrcweir //////////////////////////////////////////////////////////////////////////////
81cdf0e10cSrcweir // eof
82