basegfx/source/range/b2drange.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_basegfx.hxx"
  30
  31 #include <basegfx/range/b2drange.hxx>
  32 #include <basegfx/range/b2irange.hxx>
  33 #include <basegfx/numeric/ftools.hxx>
  34 #include <basegfx/matrix/b2dhommatrix.hxx>
  35
  36 namespace basegfx
  37 {
  38     B2DRange::B2DRange( const B2IRange& rRange ) :
  39         maRangeX(),
  40         maRangeY()
  41     {
  42         if( !rRange.isEmpty() )
  43         {
  44             maRangeX = rRange.getMinX();
  45             maRangeY = rRange.getMinY();
  46
  47             maRangeX.expand(rRange.getMaxX());
  48             maRangeY.expand(rRange.getMaxY());
  49         }
  50     }
  51
  52     void B2DRange::transform(const B2DHomMatrix& rMatrix)
  53     {
  54         if(!isEmpty() && !rMatrix.isIdentity())
  55         {
  56             const B2DRange aSource(*this);
  57             reset();
  58             expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY()));
  59             expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY()));
  60             expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY()));
  61             expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY()));
  62         }
  63     }
  64
  65     B2IRange fround(const B2DRange& rRange)
  66     {
  67         return rRange.isEmpty() ?
  68             B2IRange() :
  69             B2IRange(fround(rRange.getMinimum()),
  70                      fround(rRange.getMaximum()));
  71     }
  72 } // end of namespace basegfx
  73
  74 // eof