KChart

KChartPrintingParameters.cpp
1 /*
2  * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
3  *
4  * This file is part of the KD Chart library.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see <https://www.gnu.org/licenses/>.
18  */
19 
20 #include "KChartPrintingParameters.h"
21 
22 using namespace KChart;
23 
24 PrintingParameters::PrintingParameters()
25  : m_scaleFactor( 1.0 )
26 {
27 }
28 
29 PrintingParameters* PrintingParameters::instance()
30 {
31  static PrintingParameters instance;
32  return &instance;
33 }
34 
35 qreal PrintingParameters::scaleFactor()
36 {
37  return instance()->m_scaleFactor;
38 }
39 
40 void PrintingParameters::setScaleFactor( const qreal scaleFactor )
41 {
42  instance()->m_scaleFactor = scaleFactor;
43 }
44 
45 void PrintingParameters::resetScaleFactor()
46 {
47  instance()->m_scaleFactor = 1.0;
48 }
49 
50 QPen PrintingParameters::scalePen( const QPen& pen )
51 {
52  if ( instance()->m_scaleFactor == 1.0 )
53  return pen;
54 
55  QPen resultPen = pen;
56  resultPen.setWidthF( resultPen.widthF() * instance()->m_scaleFactor );
57  if ( resultPen.widthF() == 0.0 )
58  resultPen.setWidthF( instance()->m_scaleFactor );
59 
60  return resultPen;
61 }
void setWidthF(qreal width)
qreal widthF() const const
Global namespace.
PrintingParameters stores the scale factor which lines has to been scaled with when printing...
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