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1/*
2 * This file is part of the PulseView project.
3 *
4 * Copyright (C) 2012 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#ifndef PULSEVIEW_PV_ANALOGSIGNAL_H
22#define PULSEVIEW_PV_ANALOGSIGNAL_H
23
24#include "signal.h"
25
26#include <boost/shared_ptr.hpp>
27
28namespace pv {
29
30class AnalogData;
31
32namespace view {
33
34class AnalogSignal : public Signal
35{
36public:
37 AnalogSignal(QString name,
38 boost::shared_ptr<pv::AnalogData> data);
39
40 /**
41 * Paints the signal with a QPainter
42 * @param p the QPainter to paint into.
43 * @param rect the rectangular area to draw the trace into.
44 * @param scale the scale in seconds per pixel.
45 * @param offset the time to show at the left hand edge of
46 * the view in seconds.
47 **/
48 void paint(QPainter &p, const QRect &rect,
49 double scale, double offset);
50
51private:
52
53 /**
54 * When painting into the rectangle, calculate the y
55 * offset of the zero point.
56 **/
57 int get_nominal_offset(const QRect &rect) const;
58
59private:
60 boost::shared_ptr<pv::AnalogData> _data;
61};
62
63} // namespace view
64} // namespace pv
65
66#endif // PULSEVIEW_PV_ANALOGSIGNAL_H