xref: /aoo41x/main/basegfx/source/range/b2drange.cxx (revision cdf0e10c)
1*cdf0e10cSrcweir /*************************************************************************
2*cdf0e10cSrcweir  *
3*cdf0e10cSrcweir  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4*cdf0e10cSrcweir  *
5*cdf0e10cSrcweir  * Copyright 2000, 2010 Oracle and/or its affiliates.
6*cdf0e10cSrcweir  *
7*cdf0e10cSrcweir  * OpenOffice.org - a multi-platform office productivity suite
8*cdf0e10cSrcweir  *
9*cdf0e10cSrcweir  * This file is part of OpenOffice.org.
10*cdf0e10cSrcweir  *
11*cdf0e10cSrcweir  * OpenOffice.org is free software: you can redistribute it and/or modify
12*cdf0e10cSrcweir  * it under the terms of the GNU Lesser General Public License version 3
13*cdf0e10cSrcweir  * only, as published by the Free Software Foundation.
14*cdf0e10cSrcweir  *
15*cdf0e10cSrcweir  * OpenOffice.org is distributed in the hope that it will be useful,
16*cdf0e10cSrcweir  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17*cdf0e10cSrcweir  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18*cdf0e10cSrcweir  * GNU Lesser General Public License version 3 for more details
19*cdf0e10cSrcweir  * (a copy is included in the LICENSE file that accompanied this code).
20*cdf0e10cSrcweir  *
21*cdf0e10cSrcweir  * You should have received a copy of the GNU Lesser General Public License
22*cdf0e10cSrcweir  * version 3 along with OpenOffice.org.  If not, see
23*cdf0e10cSrcweir  * <http://www.openoffice.org/license.html>
24*cdf0e10cSrcweir  * for a copy of the LGPLv3 License.
25*cdf0e10cSrcweir  *
26*cdf0e10cSrcweir  ************************************************************************/
27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
29*cdf0e10cSrcweir #include "precompiled_basegfx.hxx"
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include <basegfx/range/b2drange.hxx>
32*cdf0e10cSrcweir #include <basegfx/range/b2irange.hxx>
33*cdf0e10cSrcweir #include <basegfx/numeric/ftools.hxx>
34*cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrix.hxx>
35*cdf0e10cSrcweir 
36*cdf0e10cSrcweir namespace basegfx
37*cdf0e10cSrcweir {
38*cdf0e10cSrcweir 	B2DRange::B2DRange( const B2IRange& rRange ) :
39*cdf0e10cSrcweir         maRangeX(),
40*cdf0e10cSrcweir         maRangeY()
41*cdf0e10cSrcweir     {
42*cdf0e10cSrcweir         if( !rRange.isEmpty() )
43*cdf0e10cSrcweir         {
44*cdf0e10cSrcweir             maRangeX = rRange.getMinX();
45*cdf0e10cSrcweir             maRangeY = rRange.getMinY();
46*cdf0e10cSrcweir 
47*cdf0e10cSrcweir             maRangeX.expand(rRange.getMaxX());
48*cdf0e10cSrcweir             maRangeY.expand(rRange.getMaxY());
49*cdf0e10cSrcweir         }
50*cdf0e10cSrcweir     }
51*cdf0e10cSrcweir 
52*cdf0e10cSrcweir 	void B2DRange::transform(const B2DHomMatrix& rMatrix)
53*cdf0e10cSrcweir 	{
54*cdf0e10cSrcweir 		if(!isEmpty() && !rMatrix.isIdentity())
55*cdf0e10cSrcweir 		{
56*cdf0e10cSrcweir 			const B2DRange aSource(*this);
57*cdf0e10cSrcweir 			reset();
58*cdf0e10cSrcweir 			expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY()));
59*cdf0e10cSrcweir 			expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY()));
60*cdf0e10cSrcweir 			expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY()));
61*cdf0e10cSrcweir 			expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY()));
62*cdf0e10cSrcweir 		}
63*cdf0e10cSrcweir 	}
64*cdf0e10cSrcweir 
65*cdf0e10cSrcweir 	B2IRange fround(const B2DRange& rRange)
66*cdf0e10cSrcweir     {
67*cdf0e10cSrcweir 		return rRange.isEmpty() ?
68*cdf0e10cSrcweir             B2IRange() :
69*cdf0e10cSrcweir             B2IRange(fround(rRange.getMinimum()),
70*cdf0e10cSrcweir                      fround(rRange.getMaximum()));
71*cdf0e10cSrcweir     }
72*cdf0e10cSrcweir } // end of namespace basegfx
73*cdf0e10cSrcweir 
74*cdf0e10cSrcweir // eof
75