basegfx/source/point/b2ipoint.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_basegfx.hxx"
  33 #include <basegfx/point/b2ipoint.hxx>
  34 #include <basegfx/matrix/b2dhommatrix.hxx>
  35 #include <basegfx/numeric/ftools.hxx>
  36
  37 namespace basegfx
  38 {
  39     B2IPoint& B2IPoint::operator=( const ::basegfx::B2ITuple& rPoint )
  40     {
  41         mnX = rPoint.getX();
  42         mnY = rPoint.getY();
  43         return *this;
  44     }
  45
  46     B2IPoint& B2IPoint::operator*=( const ::basegfx::B2DHomMatrix& rMat )
  47     {
  48         double fTempX(
  49             rMat.get(0, 0) * mnX +
  50             rMat.get(0, 1) * mnY +
  51             rMat.get(0, 2));
  52         double fTempY(
  53             rMat.get(1, 0) * mnX +
  54             rMat.get(1, 1) * mnY +
  55             rMat.get(1, 2));
  56
  57         if(!rMat.isLastLineDefault())
  58         {
  59             const double fOne(1.0);
  60             const double fTempM(
  61                 rMat.get(2, 0) * mnX +
  62                 rMat.get(2, 1) * mnY +
  63                 rMat.get(2, 2));
  64
  65             if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM))
  66             {
  67                 fTempX /= fTempM;
  68                 fTempY /= fTempM;
  69             }
  70         }
  71
  72         mnX = fround(fTempX);
  73         mnY = fround(fTempY);
  74
  75         return *this;
  76     }
  77 } // end of namespace basegfx
  78
  79 // eof