1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: b3dpoint.cxx,v $
*
* $Revision: 1.7 $
*
* last change: $Author: kz $ $Date: 2005-11-02 13:57:12 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _BGFX_POINT_B3DPOINT_HXX
#include <basegfx/point/b3dpoint.hxx>
#endif
#ifndef _BGFX_MATRIX_B3DHOMMATRIX_HXX
#include <basegfx/matrix/b3dhommatrix.hxx>
#endif
#ifndef _BGFX_NUMERIC_FTOOLS_HXX
#include <basegfx/numeric/ftools.hxx>
#endif
namespace basegfx
{
B3DPoint& B3DPoint::operator*=( const ::basegfx::B3DHomMatrix& rMat )
{
double fTempX(
rMat.get(0, 0) * mfX +
rMat.get(0, 1) * mfY +
rMat.get(0, 2) * mfZ +
rMat.get(0, 3));
double fTempY(
rMat.get(1, 0) * mfX +
rMat.get(1, 1) * mfY +
rMat.get(1, 2) * mfZ +
rMat.get(1, 3));
double fTempZ(
rMat.get(2, 0) * mfX +
rMat.get(2, 1) * mfY +
rMat.get(2, 2) * mfZ +
rMat.get(2, 3));
if(!rMat.isLastLineDefault())
{
const double fOne(1.0);
const double fTempM(
rMat.get(3, 0) * mfX +
rMat.get(3, 1) * mfY +
rMat.get(3, 2) * mfZ +
rMat.get(3, 3));
if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM))
{
fTempX /= fTempM;
fTempY /= fTempM;
fTempZ /= fTempM;
}
}
mfX = fTempX;
mfY = fTempY;
mfZ = fTempZ;
return *this;
}
B3DPoint operator*( const ::basegfx::B3DHomMatrix& rMat, const B3DPoint& rPoint )
{
B3DPoint aRes( rPoint );
return aRes *= rMat;
}
} // end of namespace basegfx
// eof
|
