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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
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21#ifndef PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H
22#define PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H
aba1dd16 23
2acdb232 24#include "signal.hpp"
aba1dd16 25
f9abf97e 26#include <memory>
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27
28namespace pv {
29
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30namespace data {
31class Analog;
f3d66e52 32class AnalogSegment;
1b1ec774 33}
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34
35namespace view {
36
37class AnalogSignal : public Signal
38{
568b90d4 39private:
a5d93c27 40 static const int NominalHeight;
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41 static const QColor SignalColours[4];
42
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43 static const float EnvelopeThreshold;
44
aba1dd16 45public:
2b81ae46 46 AnalogSignal(pv::Session &session,
b86aa8f4 47 std::shared_ptr<sigrok::Channel> channel,
f9abf97e 48 std::shared_ptr<pv::data::Analog> data);
aba1dd16 49
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50 virtual ~AnalogSignal();
51
f9abf97e 52 std::shared_ptr<pv::data::SignalData> data() const;
9a0cd293 53
f9abf97e 54 std::shared_ptr<pv::data::Analog> analog_data() const;
3009b5b3 55
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56 void set_scale(float scale);
57
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58 /**
59 * Computes the vertical extents of the contents of this row item.
60 * @return A pair containing the minimum and maximum y-values.
61 */
62 std::pair<int, int> v_extents() const;
63
aba1dd16 64 /**
fe08b6e8 65 * Paints the background layer of the signal with a QPainter
aba1dd16 66 * @param p the QPainter to paint into.
3eb29afd 67 * @param pp the painting parameters object to paint with..
aba1dd16 68 **/
3eb29afd 69 void paint_back(QPainter &p, const RowItemPaintParams &pp);
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70
71 /**
72 * Paints the mid-layer of the signal with a QPainter
73 * @param p the QPainter to paint into.
3eb29afd 74 * @param pp the painting parameters object to paint with..
fe08b6e8 75 **/
3eb29afd 76 void paint_mid(QPainter &p, const RowItemPaintParams &pp);
aba1dd16 77
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78private:
79 void paint_trace(QPainter &p,
f3d66e52 80 const std::shared_ptr<pv::data::AnalogSegment> &segment,
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81 int y, int left, const int64_t start, const int64_t end,
82 const double pixels_offset, const double samples_per_pixel);
83
84 void paint_envelope(QPainter &p,
f3d66e52 85 const std::shared_ptr<pv::data::AnalogSegment> &segment,
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86 int y, int left, const int64_t start, const int64_t end,
87 const double pixels_offset, const double samples_per_pixel);
88
aba1dd16 89private:
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90 std::shared_ptr<pv::data::Analog> data_;
91 float scale_;
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92};
93
94} // namespace view
95} // namespace pv
96
6739e8a5 97#endif // PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H