xref: /aoo42x/main/basegfx/source/point/b2dpoint.cxx (revision 09dbbe93)
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8  * "License"); you may not use this file except in compliance
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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16  * KIND, either express or implied.  See the License for the
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20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_basegfx.hxx"
26 #include <basegfx/point/b2dpoint.hxx>
27 #include <basegfx/matrix/b2dhommatrix.hxx>
28 #include <basegfx/numeric/ftools.hxx>
29 
30 //////////////////////////////////////////////////////////////////////////////
31 
32 namespace basegfx
33 {
operator =(const::basegfx::B2DTuple & rPoint)34 	B2DPoint& B2DPoint::operator=( const ::basegfx::B2DTuple& rPoint )
35 	{
36 		mfX = rPoint.getX();
37 		mfY = rPoint.getY();
38 		return *this;
39 	}
40 
operator *=(const::basegfx::B2DHomMatrix & rMat)41 	B2DPoint& B2DPoint::operator*=( const ::basegfx::B2DHomMatrix& rMat )
42 	{
43 		double fTempX(
44 			rMat.get(0, 0) * mfX +
45 			rMat.get(0, 1) * mfY +
46 			rMat.get(0, 2));
47 		double fTempY(
48 			rMat.get(1, 0) * mfX +
49 			rMat.get(1, 1) * mfY +
50 			rMat.get(1, 2));
51 
52 		if(!rMat.isLastLineDefault())
53 		{
54 			const double fOne(1.0);
55 			const double fTempM(
56 				rMat.get(2, 0) * mfX +
57 				rMat.get(2, 1) * mfY +
58 				rMat.get(2, 2));
59 
60 			if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM))
61 			{
62 				fTempX /= fTempM;
63 				fTempY /= fTempM;
64 			}
65 		}
66 
67 		mfX = fTempX;
68 		mfY = fTempY;
69 
70 		return *this;
71 	}
72 
operator *(const::basegfx::B2DHomMatrix & rMat,const B2DPoint & rPoint)73 	B2DPoint operator*( const ::basegfx::B2DHomMatrix& rMat, const B2DPoint& rPoint )
74 	{
75 		B2DPoint aRes( rPoint );
76 		return aRes *= rMat;
77 	}
78 } // end of namespace basegfx
79 
80 //////////////////////////////////////////////////////////////////////////////
81 // eof
82