basegfx/source/range/b2drange.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_basegfx.hxx"
  33
  34 #include <basegfx/range/b2drange.hxx>
  35 #include <basegfx/range/b2irange.hxx>
  36 #include <basegfx/numeric/ftools.hxx>
  37 #include <basegfx/matrix/b2dhommatrix.hxx>
  38
  39 namespace basegfx
  40 {
  41     B2DRange::B2DRange( const B2IRange& rRange ) :
  42         maRangeX(),
  43         maRangeY()
  44     {
  45         if( !rRange.isEmpty() )
  46         {
  47             maRangeX = rRange.getMinX();
  48             maRangeY = rRange.getMinY();
  49
  50             maRangeX.expand(rRange.getMaxX());
  51             maRangeY.expand(rRange.getMaxY());
  52         }
  53     }
  54
  55     void B2DRange::transform(const B2DHomMatrix& rMatrix)
  56     {
  57         if(!isEmpty() && !rMatrix.isIdentity())
  58         {
  59             const B2DRange aSource(*this);
  60             reset();
  61             expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY()));
  62             expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY()));
  63             expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY()));
  64             expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY()));
  65         }
  66     }
  67
  68     B2IRange fround(const B2DRange& rRange)
  69     {
  70         return rRange.isEmpty() ?
  71             B2IRange() :
  72             B2IRange(fround(rRange.getMinimum()),
  73                      fround(rRange.getMaximum()));
  74     }
  75 } // end of namespace basegfx
  76
  77 // eof