PulseView  0.3.0
A Qt-based sigrok GUI
viewitempaintparams.cpp
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1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (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, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <cassert>
22 
23 #include <QApplication>
24 #include <QFontMetrics>
25 
26 #include "viewitempaintparams.hpp"
27 
28 namespace pv {
29 namespace view {
30 
32  const QRect &rect, double scale, const pv::util::Timestamp& offset) :
33  rect_(rect),
34  scale_(scale),
35  offset_(offset)
36 {
37  assert(scale > 0.0);
38 }
39 
41 {
42  return QApplication::font();
43 }
44 
46 {
47  return QFontMetrics(font()).height();
48 }
49 
50 } // namespace view
51 } // namespace pv
boost::multiprecision::number< boost::multiprecision::cpp_dec_float< 24 >, boost::multiprecision::et_off > Timestamp
Timestamp type providing yoctosecond resolution.
Definition: util.hpp:58
ViewItemPaintParams(const QRect &rect, double scale, const pv::util::Timestamp &offset)