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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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
aba1dd16 JH |
18 | */ |
19 | ||
f4e57597 SA |
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP | |
aba1dd16 | 22 | |
2acdb232 | 23 | #include "signal.hpp" |
aba1dd16 | 24 | |
f9abf97e | 25 | #include <memory> |
aba1dd16 | 26 | |
368a37c2 | 27 | #include <QComboBox> |
430b94aa | 28 | #include <QSpinBox> |
368a37c2 | 29 | |
6f925ba9 UH |
30 | using std::pair; |
31 | using std::shared_ptr; | |
32 | ||
aba1dd16 JH |
33 | namespace pv { |
34 | ||
1b1ec774 JH |
35 | namespace data { |
36 | class Analog; | |
f3d66e52 | 37 | class AnalogSegment; |
bf0edd2b | 38 | class SignalBase; |
1b1ec774 | 39 | } |
aba1dd16 | 40 | |
f4e57597 | 41 | namespace views { |
1573bf16 | 42 | namespace trace { |
aba1dd16 JH |
43 | |
44 | class AnalogSignal : public Signal | |
45 | { | |
4cffac16 SA |
46 | Q_OBJECT |
47 | ||
568b90d4 JH |
48 | private: |
49 | static const QColor SignalColours[4]; | |
37b9fed4 | 50 | static const QColor GridMajorColor, GridMinorColor; |
8de1e1b2 | 51 | static const QColor SamplingPointColour; |
568b90d4 | 52 | |
fdfd5b3e | 53 | static const int64_t TracePaintBlockSize; |
7c68ddae JH |
54 | static const float EnvelopeThreshold; |
55 | ||
4cffac16 | 56 | static const int MaximumVDivs; |
368a37c2 | 57 | static const int MaxScaleIndex, MinScaleIndex; |
03cc651d | 58 | static const int InfoTextMarginRight, InfoTextMarginBottom; |
4cffac16 | 59 | |
a970015f SA |
60 | enum DisplayType { |
61 | DisplayAnalog = 0, | |
62 | DisplayConverted = 1, | |
63 | DisplayBoth = 2 | |
64 | }; | |
65 | ||
aba1dd16 | 66 | public: |
6f925ba9 | 67 | AnalogSignal(pv::Session &session, shared_ptr<data::SignalBase> base); |
aba1dd16 | 68 | |
c6246dc5 | 69 | virtual ~AnalogSignal() = default; |
f459c540 | 70 | |
6f925ba9 | 71 | shared_ptr<pv::data::SignalData> data() const; |
9a0cd293 | 72 | |
3a21afa6 SA |
73 | virtual void save_settings(QSettings &settings) const; |
74 | ||
75 | virtual void restore_settings(QSettings &settings); | |
76 | ||
a5d93c27 JH |
77 | /** |
78 | * Computes the vertical extents of the contents of this row item. | |
79 | * @return A pair containing the minimum and maximum y-values. | |
80 | */ | |
6f925ba9 | 81 | pair<int, int> v_extents() const; |
a5d93c27 | 82 | |
214470fc JH |
83 | /** |
84 | * Returns the offset to show the drag handle. | |
85 | */ | |
86 | int scale_handle_offset() const; | |
87 | ||
88 | /** | |
89 | * Handles the scale handle being dragged to an offset. | |
90 | * @param offset the offset the scale handle was dragged to. | |
91 | */ | |
92 | void scale_handle_dragged(int offset); | |
93 | ||
8a2fafcc JH |
94 | /** |
95 | * @copydoc pv::view::Signal::signal_scale_handle_drag_release() | |
96 | */ | |
97 | void scale_handle_drag_release(); | |
98 | ||
aba1dd16 | 99 | /** |
fe08b6e8 | 100 | * Paints the background layer of the signal with a QPainter |
aba1dd16 | 101 | * @param p the QPainter to paint into. |
3eb29afd | 102 | * @param pp the painting parameters object to paint with.. |
223d0c37 | 103 | */ |
60938e04 | 104 | void paint_back(QPainter &p, ViewItemPaintParams &pp); |
fe08b6e8 JH |
105 | |
106 | /** | |
107 | * Paints the mid-layer of the signal with a QPainter | |
108 | * @param p the QPainter to paint into. | |
3eb29afd | 109 | * @param pp the painting parameters object to paint with.. |
223d0c37 | 110 | */ |
60938e04 | 111 | void paint_mid(QPainter &p, ViewItemPaintParams &pp); |
aba1dd16 | 112 | |
03cc651d SA |
113 | /** |
114 | * Paints the foreground layer of the item with a QPainter | |
115 | * @param p the QPainter to paint into. | |
116 | * @param pp the painting parameters object to paint with. | |
117 | */ | |
60938e04 | 118 | void paint_fore(QPainter &p, ViewItemPaintParams &pp); |
03cc651d | 119 | |
7c68ddae | 120 | private: |
37b9fed4 SA |
121 | void paint_grid(QPainter &p, int y, int left, int right); |
122 | ||
7c68ddae | 123 | void paint_trace(QPainter &p, |
6f925ba9 | 124 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
125 | int y, int left, const int64_t start, const int64_t end, |
126 | const double pixels_offset, const double samples_per_pixel); | |
127 | ||
128 | void paint_envelope(QPainter &p, | |
6f925ba9 | 129 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
130 | int y, int left, const int64_t start, const int64_t end, |
131 | const double pixels_offset, const double samples_per_pixel); | |
132 | ||
60938e04 | 133 | void paint_logic_mid(QPainter &p, ViewItemPaintParams &pp); |
a8fd2759 SA |
134 | |
135 | void paint_logic_caps(QPainter &p, QLineF *const lines, | |
136 | vector< pair<int64_t, bool> > &edges, | |
137 | bool level, double samples_per_pixel, double pixels_offset, | |
138 | float x_offset, float y_offset); | |
139 | ||
8a2fafcc | 140 | /** |
834a4f1b | 141 | * Computes the scale factor from the scale index and vdiv settings. |
8a2fafcc | 142 | */ |
368a37c2 SA |
143 | float get_resolution(int scale_index); |
144 | ||
834a4f1b | 145 | void update_scale(); |
8a2fafcc | 146 | |
a8fd2759 SA |
147 | void update_conversion_type(); |
148 | ||
430b94aa | 149 | void perform_autoranging(bool keep_divs, bool force_update); |
73e377fe | 150 | |
4cffac16 SA |
151 | protected: |
152 | void populate_popup_form(QWidget *parent, QFormLayout *form); | |
153 | ||
154 | private Q_SLOTS: | |
85715407 SA |
155 | void on_samples_added(); |
156 | ||
459db2c5 SA |
157 | void on_pos_vdivs_changed(int vdivs); |
158 | void on_neg_vdivs_changed(int vdivs); | |
cbb50547 | 159 | void on_div_height_changed(int height); |
4cffac16 | 160 | |
368a37c2 SA |
161 | void on_resolution_changed(int index); |
162 | ||
73e377fe SA |
163 | void on_autoranging_changed(int state); |
164 | ||
a970015f SA |
165 | void on_conversion_changed(int index); |
166 | ||
b8c4a95b SA |
167 | void on_display_type_changed(int index); |
168 | ||
aba1dd16 | 169 | private: |
a970015f | 170 | QComboBox *resolution_cb_, *conversion_cb_, *display_type_cb_; |
cbb50547 | 171 | QSpinBox *pvdiv_sb_, *nvdiv_sb_, *div_height_sb_; |
368a37c2 | 172 | |
834a4f1b | 173 | float scale_; |
8a2fafcc JH |
174 | int scale_index_; |
175 | int scale_index_drag_offset_; | |
37b9fed4 SA |
176 | |
177 | int div_height_; | |
459db2c5 | 178 | int pos_vdivs_, neg_vdivs_; // divs per positive/negative side |
834a4f1b | 179 | float resolution_; // e.g. 10 for 10 V/div |
73e377fe | 180 | |
a970015f SA |
181 | data::SignalBase::ConversionType conversion_type_; |
182 | DisplayType display_type_; | |
73e377fe | 183 | bool autoranging_; |
aba1dd16 JH |
184 | }; |
185 | ||
1573bf16 | 186 | } // namespace trace |
f4e57597 | 187 | } // namespace views |
aba1dd16 JH |
188 | } // namespace pv |
189 | ||
f4e57597 | 190 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_ANALOGSIGNAL_HPP |