xref: /aoo41x/main/basegfx/source/range/b2drange.cxx (revision cdf0e10c)
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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
75