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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 | extern "C" { | |
22 | #include <libsigrokdecode/libsigrokdecode.h> | |
23 | } | |
24 | ||
25 | #include "decodesignal.h" | |
26 | ||
27 | #include <pv/data/decoder.h> | |
28 | #include <pv/view/view.h> | |
29 | #include <pv/view/decode/annotation.h> | |
30 | ||
31 | using namespace boost; | |
32 | using namespace std; | |
33 | ||
34 | namespace pv { | |
35 | namespace view { | |
36 | ||
37 | DecodeSignal::DecodeSignal(pv::SigSession &session, | |
38 | boost::shared_ptr<pv::data::Decoder> decoder) : | |
39 | Trace(session, QString(decoder->get_decoder()->name)), | |
40 | _decoder(decoder) | |
41 | { | |
42 | assert(_decoder); | |
43 | ||
44 | _colour = Qt::red; | |
45 | } | |
46 | ||
47 | void DecodeSignal::init_context_bar_actions(QWidget *parent) | |
48 | { | |
49 | (void)parent; | |
50 | } | |
51 | ||
52 | bool DecodeSignal::enabled() const | |
53 | { | |
54 | return true; | |
55 | } | |
56 | ||
57 | void DecodeSignal::set_view(pv::view::View *view) | |
58 | { | |
59 | assert(view); | |
60 | Trace::set_view(view); | |
61 | } | |
62 | ||
63 | void DecodeSignal::paint_back(QPainter &p, int left, int right) | |
64 | { | |
65 | paint_axis(p, get_y(), left, right); | |
66 | } | |
67 | ||
68 | void DecodeSignal::paint_mid(QPainter &p, int left, int right) | |
69 | { | |
70 | using namespace pv::view::decode; | |
71 | ||
72 | assert(_view); | |
73 | const int y = get_y(); | |
74 | ||
75 | const double scale = _view->scale(); | |
76 | assert(scale > 0); | |
77 | ||
78 | double samplerate = _decoder->get_samplerate(); | |
79 | ||
80 | // Show sample rate as 1Hz when it is unknown | |
81 | if (samplerate == 0.0) | |
82 | samplerate = 1.0; | |
83 | ||
84 | const double pixels_offset = (_view->offset() - | |
85 | _decoder->get_start_time()) / scale; | |
86 | const double samples_per_pixel = samplerate * scale; | |
87 | ||
88 | assert(_decoder); | |
89 | vector< shared_ptr<Annotation> > annotations(_decoder->annotations()); | |
90 | BOOST_FOREACH(shared_ptr<Annotation> a, annotations) { | |
91 | assert(a); | |
92 | a->paint(p, _colour, _colour.darker(), get_text_colour(), | |
93 | _text_size.height(), left, right, samples_per_pixel, | |
94 | pixels_offset, y); | |
95 | } | |
96 | } | |
97 | ||
98 | const list<QAction*> DecodeSignal::get_context_bar_actions() | |
99 | { | |
100 | list<QAction*> actions; | |
101 | return actions; | |
102 | } | |
103 | ||
104 | } // namespace view | |
105 | } // namespace pv |