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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <basegfx/point/b3ipoint.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <basegfx/numeric/ftools.hxx>
namespace basegfx
{
B3IPoint& B3IPoint::operator*=( const ::basegfx::B3DHomMatrix& rMat )
{
double fTempX(
rMat.get(0, 0) * mnX +
rMat.get(0, 1) * mnY +
rMat.get(0, 2) * mnZ +
rMat.get(0, 3));
double fTempY(
rMat.get(1, 0) * mnX +
rMat.get(1, 1) * mnY +
rMat.get(1, 2) * mnZ +
rMat.get(1, 3));
double fTempZ(
rMat.get(2, 0) * mnX +
rMat.get(2, 1) * mnY +
rMat.get(2, 2) * mnZ +
rMat.get(2, 3));
if(!rMat.isLastLineDefault())
{
const double fOne(1.0);
const double fTempM(
rMat.get(3, 0) * mnX +
rMat.get(3, 1) * mnY +
rMat.get(3, 2) * mnZ +
rMat.get(3, 3));
if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM))
{
fTempX /= fTempM;
fTempY /= fTempM;
fTempZ /= fTempM;
}
}
mnX = fround(fTempX);
mnY = fround(fTempY);
mnZ = fround(fTempZ);
return *this;
}
} // end of namespace basegfx
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
