xref: /aoo41x/main/basegfx/source/range/b2drange.cxx (revision 09dbbe93)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_basegfx.hxx"
26 
27 #include <basegfx/range/b2drange.hxx>
28 #include <basegfx/range/b2irange.hxx>
29 #include <basegfx/numeric/ftools.hxx>
30 #include <basegfx/matrix/b2dhommatrix.hxx>
31 
32 namespace basegfx
33 {
B2DRange(const B2IRange & rRange)34 	B2DRange::B2DRange( const B2IRange& rRange ) :
35         maRangeX(),
36         maRangeY()
37     {
38         if( !rRange.isEmpty() )
39         {
40             maRangeX = rRange.getMinX();
41             maRangeY = rRange.getMinY();
42 
43             maRangeX.expand(rRange.getMaxX());
44             maRangeY.expand(rRange.getMaxY());
45         }
46     }
47 
transform(const B2DHomMatrix & rMatrix)48 	void B2DRange::transform(const B2DHomMatrix& rMatrix)
49 	{
50 		if(!isEmpty() && !rMatrix.isIdentity())
51 		{
52 			const B2DRange aSource(*this);
53 			reset();
54 			expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY()));
55 			expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY()));
56 			expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY()));
57 			expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY()));
58 		}
59 	}
60 
fround(const B2DRange & rRange)61 	B2IRange fround(const B2DRange& rRange)
62     {
63 		return rRange.isEmpty() ?
64             B2IRange() :
65             B2IRange(fround(rRange.getMinimum()),
66                      fround(rRange.getMaximum()));
67     }
68 } // end of namespace basegfx
69 
70 // eof
71