PulseView  unreleased development snapshot
A Qt-based sigrok GUI
viewitempaintparams.cpp
Go to the documentation of this file.
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, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include <cassert>
21 
22 #include <QApplication>
23 #include <QFontMetrics>
24 
25 #include "viewitempaintparams.hpp"
26 
27 namespace pv {
28 namespace views {
29 namespace trace {
30 
32  const QRect &rect, double scale, const pv::util::Timestamp& offset) :
33  rect_(rect),
34  scale_(scale),
35  offset_(offset),
36  bg_color_state_(false)
37 {
38  assert(scale > 0.0);
39 }
40 
42 {
43  return QApplication::font();
44 }
45 
47 {
48  return QFontMetrics(font()).height();
49 }
50 
51 } // namespace trace
52 } // namespace views
53 } // namespace pv
ViewItemPaintParams(const QRect &rect, double scale, const pv::util::Timestamp &offset)
boost::multiprecision::number< boost::multiprecision::cpp_dec_float< 24 >, boost::multiprecision::et_off > Timestamp
Timestamp type providing yoctosecond resolution.
Definition: util.hpp:67