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aba1dd16 JH |
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 | ||
6739e8a5 JH |
21 | #ifndef PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H |
22 | #define PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H | |
aba1dd16 JH |
23 | |
24 | #include "signal.h" | |
25 | ||
f9abf97e | 26 | #include <memory> |
aba1dd16 JH |
27 | |
28 | namespace pv { | |
29 | ||
1b1ec774 JH |
30 | namespace data { |
31 | class Analog; | |
7c68ddae | 32 | class AnalogSnapshot; |
1b1ec774 | 33 | } |
aba1dd16 JH |
34 | |
35 | namespace view { | |
36 | ||
37 | class AnalogSignal : public Signal | |
38 | { | |
568b90d4 JH |
39 | private: |
40 | static const QColor SignalColours[4]; | |
41 | ||
7c68ddae JH |
42 | static const float EnvelopeThreshold; |
43 | ||
aba1dd16 | 44 | public: |
b86aa8f4 JH |
45 | AnalogSignal(pv::SigSession &session, |
46 | std::shared_ptr<sigrok::Channel> channel, | |
f9abf97e | 47 | std::shared_ptr<pv::data::Analog> data); |
aba1dd16 | 48 | |
f459c540 JH |
49 | virtual ~AnalogSignal(); |
50 | ||
f9abf97e | 51 | std::shared_ptr<pv::data::SignalData> data() const; |
9a0cd293 | 52 | |
f9abf97e | 53 | std::shared_ptr<pv::data::Analog> analog_data() const; |
3009b5b3 | 54 | |
785fd8d1 JH |
55 | void set_scale(float scale); |
56 | ||
aba1dd16 | 57 | /** |
fe08b6e8 | 58 | * Paints the background layer of the signal with a QPainter |
aba1dd16 | 59 | * @param p the QPainter to paint into. |
2658961b JH |
60 | * @param left the x-coordinate of the left edge of the signal. |
61 | * @param right the x-coordinate of the right edge of the signal. | |
aba1dd16 | 62 | **/ |
fe08b6e8 JH |
63 | void paint_back(QPainter &p, int left, int right); |
64 | ||
65 | /** | |
66 | * Paints the mid-layer of the signal with a QPainter | |
67 | * @param p the QPainter to paint into. | |
68 | * @param left the x-coordinate of the left edge of the signal. | |
69 | * @param right the x-coordinate of the right edge of the signal. | |
70 | **/ | |
71 | void paint_mid(QPainter &p, int left, int right); | |
aba1dd16 | 72 | |
7c68ddae JH |
73 | private: |
74 | void paint_trace(QPainter &p, | |
f9abf97e | 75 | const std::shared_ptr<pv::data::AnalogSnapshot> &snapshot, |
7c68ddae JH |
76 | int y, int left, const int64_t start, const int64_t end, |
77 | const double pixels_offset, const double samples_per_pixel); | |
78 | ||
79 | void paint_envelope(QPainter &p, | |
f9abf97e | 80 | const std::shared_ptr<pv::data::AnalogSnapshot> &snapshot, |
7c68ddae JH |
81 | int y, int left, const int64_t start, const int64_t end, |
82 | const double pixels_offset, const double samples_per_pixel); | |
83 | ||
aba1dd16 | 84 | private: |
f9abf97e | 85 | std::shared_ptr<pv::data::Analog> _data; |
785fd8d1 | 86 | float _scale; |
aba1dd16 JH |
87 | }; |
88 | ||
89 | } // namespace view | |
90 | } // namespace pv | |
91 | ||
6739e8a5 | 92 | #endif // PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H |