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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_chart2.hxx"
26 #include "Linear3DTransformation.hxx"
27 #include <algorithm>
28 
29 using namespace ::com::sun::star;
30 
31 using ::com::sun::star::uno::Sequence;
32 using ::com::sun::star::uno::RuntimeException;
33 
34 namespace chart
35 {
36 
Linear3DTransformation(const drawing::HomogenMatrix & rHomMatrix,bool bSwapXAndY)37     Linear3DTransformation::Linear3DTransformation( const drawing::HomogenMatrix& rHomMatrix, bool bSwapXAndY )
38     : m_Matrix(rHomMatrix)
39     , m_bSwapXAndY(bSwapXAndY)
40 {}
41 
~Linear3DTransformation()42 Linear3DTransformation::~Linear3DTransformation()
43 {}
44 
45 // ____ XTransformation ____
transform(const Sequence<double> & rSourceValues)46 Sequence< double > SAL_CALL Linear3DTransformation::transform(
47                         const Sequence< double >& rSourceValues )
48     throw (RuntimeException,
49            lang::IllegalArgumentException)
50 {
51     double fX = rSourceValues[0];
52     double fY = rSourceValues[1];
53     double fZ = rSourceValues[2];
54     if(m_bSwapXAndY)
55         std::swap(fX,fY);
56     Sequence< double > aNewVec(3);
57 	double fZwi;
58 
59     fZwi = m_Matrix.Line1.Column1 * fX
60          + m_Matrix.Line1.Column2 * fY
61 	     + m_Matrix.Line1.Column3 * fZ
62 	     + m_Matrix.Line1.Column4;
63     aNewVec[0] = fZwi;
64 
65     fZwi = m_Matrix.Line2.Column1 * fX
66 	     + m_Matrix.Line2.Column2 * fY
67 	     + m_Matrix.Line2.Column3 * fZ
68 	     + m_Matrix.Line2.Column4;
69     aNewVec[1] = fZwi;
70 
71     fZwi = m_Matrix.Line3.Column1 * fX
72 	     + m_Matrix.Line3.Column2 * fY
73 	     + m_Matrix.Line3.Column3 * fZ
74 	     + m_Matrix.Line3.Column4;
75     aNewVec[2] = fZwi;
76 
77 	fZwi = m_Matrix.Line4.Column1 * fX
78 		 + m_Matrix.Line4.Column2 * fY
79 		 + m_Matrix.Line4.Column3 * fZ
80 		 + m_Matrix.Line4.Column4;
81 	if(fZwi != 1.0 && fZwi != 0.0)
82 	{
83 		aNewVec[0] /= fZwi;
84 		aNewVec[1] /= fZwi;
85 		aNewVec[2] /= fZwi;
86 	}
87 	return aNewVec;
88 }
89 
getSourceDimension()90 sal_Int32 SAL_CALL Linear3DTransformation::getSourceDimension()
91     throw (RuntimeException)
92 {
93     return 3;
94 }
95 
getTargetDimension()96 sal_Int32 SAL_CALL Linear3DTransformation::getTargetDimension()
97     throw (RuntimeException)
98 {
99     return 3;
100 }
101 
102 
103 }  // namespace chart
104