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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 | ||
20 | #include <extdef.h> | |
21 | ||
3b68d03d JH |
22 | #include <cassert> |
23 | #include <cmath> | |
8a2fafcc JH |
24 | #include <cstdlib> |
25 | #include <limits> | |
a8fd2759 | 26 | #include <vector> |
aba1dd16 | 27 | |
37b9fed4 | 28 | #include <QApplication> |
73e377fe | 29 | #include <QCheckBox> |
368a37c2 | 30 | #include <QComboBox> |
526c8c00 | 31 | #include <QDebug> |
4cffac16 | 32 | #include <QFormLayout> |
368a37c2 SA |
33 | #include <QGridLayout> |
34 | #include <QLabel> | |
03cc651d | 35 | #include <QString> |
37b9fed4 | 36 | |
2acdb232 | 37 | #include "analogsignal.hpp" |
1573bf16 SA |
38 | #include "logicsignal.hpp" |
39 | #include "view.hpp" | |
40 | ||
0cbadf1c | 41 | #include "pv/util.hpp" |
2acdb232 | 42 | #include "pv/data/analog.hpp" |
f3d66e52 | 43 | #include "pv/data/analogsegment.hpp" |
a8fd2759 SA |
44 | #include "pv/data/logic.hpp" |
45 | #include "pv/data/logicsegment.hpp" | |
bf0edd2b | 46 | #include "pv/data/signalbase.hpp" |
8de1e1b2 | 47 | #include "pv/globalsettings.hpp" |
aba1dd16 | 48 | |
fe3a1c21 | 49 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 50 | |
6f925ba9 UH |
51 | using std::deque; |
52 | using std::div; | |
53 | using std::div_t; | |
6f054e92 GS |
54 | // Note that "using std::isnan;" is _not_ put here since that would break |
55 | // compilation on some platforms. Use "std::isnan()" instead in checks below. | |
819f4c25 | 56 | using std::max; |
a5d93c27 | 57 | using std::make_pair; |
819f4c25 | 58 | using std::min; |
6f925ba9 | 59 | using std::numeric_limits; |
526c8c00 | 60 | using std::out_of_range; |
6f925ba9 | 61 | using std::pair; |
f9abf97e | 62 | using std::shared_ptr; |
a8fd2759 | 63 | using std::vector; |
aba1dd16 | 64 | |
eeceee99 | 65 | using pv::data::LogicSegment; |
2b6e7a72 | 66 | using pv::data::SignalBase; |
0cbadf1c | 67 | using pv::util::SIPrefix; |
2b6e7a72 | 68 | |
aba1dd16 | 69 | namespace pv { |
f4e57597 | 70 | namespace views { |
1573bf16 | 71 | namespace trace { |
aba1dd16 | 72 | |
641574bc | 73 | const QColor AnalogSignal::SignalColors[4] = { |
568b90d4 JH |
74 | QColor(0xC4, 0xA0, 0x00), // Yellow |
75 | QColor(0x87, 0x20, 0x7A), // Magenta | |
76 | QColor(0x20, 0x4A, 0x87), // Blue | |
77 | QColor(0x4E, 0x9A, 0x06) // Green | |
78 | }; | |
79 | ||
561ba3ae | 80 | const QPen AnalogSignal::AxisPen(QColor(0, 0, 0, 30 * 256 / 100), 2); |
c063290a UH |
81 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); |
82 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); | |
37b9fed4 | 83 | |
641574bc SA |
84 | const QColor AnalogSignal::SamplingPointColor(0x77, 0x77, 0x77); |
85 | const QColor AnalogSignal::SamplingPointColorLo = QColor(200, 0, 0, 80 * 256 / 100); | |
86 | const QColor AnalogSignal::SamplingPointColorNe = QColor(0, 0, 0, 80 * 256 / 100); | |
87 | const QColor AnalogSignal::SamplingPointColorHi = QColor(0, 200, 0, 80 * 256 / 100); | |
8de1e1b2 | 88 | |
4433246b | 89 | const QColor AnalogSignal::ThresholdColor = QColor(0, 0, 0, 30 * 256 / 100); |
1d150cd6 | 90 | const QColor AnalogSignal::ThresholdColorLo = QColor(255, 0, 0, 8 * 256 / 100); |
78bf7ce5 | 91 | const QColor AnalogSignal::ThresholdColorNe = QColor(0, 0, 0, 10 * 256 / 100); |
1d150cd6 | 92 | const QColor AnalogSignal::ThresholdColorHi = QColor(0, 255, 0, 8 * 256 / 100); |
4433246b | 93 | |
fdfd5b3e SA |
94 | const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) |
95 | const float AnalogSignal::EnvelopeThreshold = 64.0f; | |
7c68ddae | 96 | |
4cffac16 | 97 | const int AnalogSignal::MaximumVDivs = 10; |
368a37c2 SA |
98 | const int AnalogSignal::MinScaleIndex = -6; |
99 | const int AnalogSignal::MaxScaleIndex = 7; | |
4cffac16 | 100 | |
03cc651d SA |
101 | const int AnalogSignal::InfoTextMarginRight = 20; |
102 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
103 | ||
b86aa8f4 | 104 | AnalogSignal::AnalogSignal( |
2b81ae46 | 105 | pv::Session &session, |
cbd2a2de | 106 | shared_ptr<data::SignalBase> base) : |
73a25a6e | 107 | Signal(session, base), |
834a4f1b | 108 | scale_index_(4), // 20 per div |
459db2c5 SA |
109 | pos_vdivs_(1), |
110 | neg_vdivs_(1), | |
73e377fe | 111 | resolution_(0), |
a970015f | 112 | display_type_(DisplayBoth), |
82e7f4b3 SA |
113 | autoranging_(true), |
114 | value_at_hover_pos_(std::numeric_limits<float>::quiet_NaN()) | |
aba1dd16 | 115 | { |
561ba3ae SA |
116 | axis_pen_ = AxisPen; |
117 | ||
85715407 SA |
118 | pv::data::Analog* analog_data = |
119 | dynamic_cast<pv::data::Analog*>(data().get()); | |
120 | ||
c6d9cf65 SA |
121 | connect(analog_data, SIGNAL(min_max_changed(float, float)), |
122 | this, SLOT(on_min_max_changed(float, float))); | |
85715407 | 123 | |
3b2ead4f SA |
124 | GlobalSettings settings; |
125 | show_sampling_points_ = | |
126 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
127 | fill_high_areas_ = | |
128 | settings.value(GlobalSettings::Key_View_FillSignalHighAreas).toBool(); | |
129 | high_fill_color_ = QColor::fromRgba(settings.value( | |
130 | GlobalSettings::Key_View_FillSignalHighAreaColor).value<uint32_t>()); | |
131 | show_analog_minor_grid_ = | |
132 | settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
90ee1ed9 | 133 | conversion_threshold_disp_mode_ = |
3b2ead4f SA |
134 | settings.value(GlobalSettings::Key_View_ConversionThresholdDispMode).toInt(); |
135 | div_height_ = settings.value(GlobalSettings::Key_View_DefaultDivHeight).toInt(); | |
cbb50547 | 136 | |
641574bc | 137 | base_->set_color(SignalColors[base_->index() % countof(SignalColors)]); |
834a4f1b | 138 | update_scale(); |
aba1dd16 JH |
139 | } |
140 | ||
3009b5b3 JH |
141 | shared_ptr<pv::data::SignalData> AnalogSignal::data() const |
142 | { | |
cbd2a2de | 143 | return base_->analog_data(); |
9a0cd293 JH |
144 | } |
145 | ||
3a21afa6 SA |
146 | void AnalogSignal::save_settings(QSettings &settings) const |
147 | { | |
459db2c5 SA |
148 | settings.setValue("pos_vdivs", pos_vdivs_); |
149 | settings.setValue("neg_vdivs", neg_vdivs_); | |
3a21afa6 | 150 | settings.setValue("scale_index", scale_index_); |
a970015f | 151 | settings.setValue("display_type", display_type_); |
73e377fe | 152 | settings.setValue("autoranging", autoranging_); |
cbb50547 | 153 | settings.setValue("div_height", div_height_); |
3a21afa6 SA |
154 | } |
155 | ||
156 | void AnalogSignal::restore_settings(QSettings &settings) | |
157 | { | |
459db2c5 SA |
158 | if (settings.contains("pos_vdivs")) |
159 | pos_vdivs_ = settings.value("pos_vdivs").toInt(); | |
160 | ||
161 | if (settings.contains("neg_vdivs")) | |
162 | neg_vdivs_ = settings.value("neg_vdivs").toInt(); | |
3a21afa6 SA |
163 | |
164 | if (settings.contains("scale_index")) { | |
165 | scale_index_ = settings.value("scale_index").toInt(); | |
166 | update_scale(); | |
167 | } | |
73e377fe | 168 | |
a970015f SA |
169 | if (settings.contains("display_type")) |
170 | display_type_ = (DisplayType)(settings.value("display_type").toInt()); | |
171 | ||
73e377fe SA |
172 | if (settings.contains("autoranging")) |
173 | autoranging_ = settings.value("autoranging").toBool(); | |
cbb50547 SA |
174 | |
175 | if (settings.contains("div_height")) { | |
176 | const int old_height = div_height_; | |
177 | div_height_ = settings.value("div_height").toInt(); | |
178 | ||
179 | if ((div_height_ != old_height) && owner_) { | |
180 | // Call order is important, otherwise the lazy event handler won't work | |
181 | owner_->extents_changed(false, true); | |
182 | owner_->row_item_appearance_changed(false, true); | |
183 | } | |
184 | } | |
3a21afa6 SA |
185 | } |
186 | ||
6f925ba9 | 187 | pair<int, int> AnalogSignal::v_extents() const |
a5d93c27 | 188 | { |
459db2c5 SA |
189 | const int ph = pos_vdivs_ * div_height_; |
190 | const int nh = neg_vdivs_ * div_height_; | |
191 | return make_pair(-ph, nh); | |
a5d93c27 JH |
192 | } |
193 | ||
60938e04 | 194 | void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp) |
fe08b6e8 | 195 | { |
1d150cd6 SA |
196 | if (!base_->enabled()) |
197 | return; | |
198 | ||
90ee1ed9 SA |
199 | bool paint_thr_bg = |
200 | conversion_threshold_disp_mode_ == GlobalSettings::ConvThrDispMode_Background; | |
201 | ||
1d150cd6 SA |
202 | const vector<double> thresholds = base_->get_conversion_thresholds(); |
203 | ||
204 | // Only display thresholds if we have some and we show analog samples | |
90ee1ed9 | 205 | if ((thresholds.size() > 0) && paint_thr_bg && |
1d150cd6 SA |
206 | ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth))) { |
207 | ||
208 | const int visual_y = get_visual_y(); | |
209 | const pair<int, int> extents = v_extents(); | |
210 | const int top = visual_y + extents.first; | |
211 | const int btm = visual_y + extents.second; | |
212 | ||
213 | // Draw high/neutral/low areas | |
214 | if (thresholds.size() == 2) { | |
03d2a4f8 SA |
215 | int thr_lo = visual_y - thresholds[0] * scale_; |
216 | int thr_hi = visual_y - thresholds[1] * scale_; | |
217 | thr_lo = min(max(thr_lo, top), btm); | |
218 | thr_hi = min(max(thr_hi, top), btm); | |
1d150cd6 SA |
219 | |
220 | p.fillRect(QRectF(pp.left(), top, pp.width(), thr_hi - top), | |
221 | QBrush(ThresholdColorHi)); | |
222 | p.fillRect(QRectF(pp.left(), thr_hi, pp.width(), thr_lo - thr_hi), | |
223 | QBrush(ThresholdColorNe)); | |
224 | p.fillRect(QRectF(pp.left(), thr_lo, pp.width(), btm - thr_lo), | |
225 | QBrush(ThresholdColorLo)); | |
226 | } else { | |
03d2a4f8 SA |
227 | int thr = visual_y - thresholds[0] * scale_; |
228 | thr = min(max(thr, top), btm); | |
1d150cd6 SA |
229 | |
230 | p.fillRect(QRectF(pp.left(), top, pp.width(), thr - top), | |
231 | QBrush(ThresholdColorHi)); | |
232 | p.fillRect(QRectF(pp.left(), thr, pp.width(), btm - thr), | |
233 | QBrush(ThresholdColorLo)); | |
234 | } | |
235 | ||
236 | paint_axis(p, pp, get_visual_y()); | |
237 | } else { | |
b571a8e7 | 238 | Signal::paint_back(p, pp); |
97904bf7 | 239 | paint_axis(p, pp, get_visual_y()); |
99af6802 | 240 | } |
fe08b6e8 JH |
241 | } |
242 | ||
60938e04 | 243 | void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) |
aba1dd16 | 244 | { |
cbd2a2de | 245 | assert(base_->analog_data()); |
8dbbc7f0 | 246 | assert(owner_); |
a8acb46e | 247 | |
be9e7b4b | 248 | const int y = get_visual_y(); |
01fd3263 | 249 | |
73a25a6e | 250 | if (!base_->enabled()) |
cec48d16 JH |
251 | return; |
252 | ||
a8fd2759 SA |
253 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
254 | paint_grid(p, y, pp.left(), pp.right()); | |
255 | ||
7daebd05 | 256 | shared_ptr<pv::data::AnalogSegment> segment = get_analog_segment_to_paint(); |
4bd0ecb8 | 257 | if (!segment || (segment->get_sample_count() == 0)) |
a8fd2759 SA |
258 | return; |
259 | ||
a8fd2759 SA |
260 | const double pixels_offset = pp.pixels_offset(); |
261 | const double samplerate = max(1.0, segment->samplerate()); | |
262 | const pv::util::Timestamp& start_time = segment->start_time(); | |
20df1a39 | 263 | const int64_t last_sample = (int64_t)segment->get_sample_count() - 1; |
a8fd2759 SA |
264 | const double samples_per_pixel = samplerate * pp.scale(); |
265 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
266 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
267 | ||
268 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
269 | (int64_t)0), last_sample); | |
270 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), | |
271 | (int64_t)0), last_sample); | |
272 | ||
273 | if (samples_per_pixel < EnvelopeThreshold) | |
0cbadf1c | 274 | paint_trace(p, segment, y, pp.left(), start_sample, end_sample, |
a8fd2759 SA |
275 | pixels_offset, samples_per_pixel); |
276 | else | |
0cbadf1c | 277 | paint_envelope(p, segment, y, pp.left(), start_sample, end_sample, |
a8fd2759 SA |
278 | pixels_offset, samples_per_pixel); |
279 | } | |
a8acb46e | 280 | |
1d150cd6 SA |
281 | if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) |
282 | paint_logic_mid(p, pp); | |
7c68ddae JH |
283 | } |
284 | ||
60938e04 | 285 | void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) |
03cc651d SA |
286 | { |
287 | if (!enabled()) | |
288 | return; | |
289 | ||
b8c4a95b SA |
290 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
291 | const int y = get_visual_y(); | |
03cc651d | 292 | |
0cbadf1c SA |
293 | QString infotext; |
294 | ||
295 | // Show the info section on the right side of the trace, including | |
296 | // the value at the hover point when the hover marker is enabled | |
297 | // and we have corresponding data available | |
6f054e92 | 298 | if (show_hover_marker_ && !std::isnan(value_at_hover_pos_)) { |
0cbadf1c | 299 | infotext = QString("[%1] %2 V/div") |
58cd5b58 | 300 | .arg(format_value_si(value_at_hover_pos_, SIPrefix::unspecified, 2, "V", false)) |
0cbadf1c SA |
301 | .arg(resolution_); |
302 | } else | |
303 | infotext = QString("%1 V/div").arg(resolution_); | |
03cc651d | 304 | |
641574bc | 305 | p.setPen(base_->color()); |
b8c4a95b | 306 | p.setFont(QApplication::font()); |
03cc651d | 307 | |
b8c4a95b SA |
308 | const QRectF bounding_rect = QRectF(pp.left(), |
309 | y + v_extents().first, | |
310 | pp.width() - InfoTextMarginRight, | |
311 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
03cc651d | 312 | |
b8c4a95b SA |
313 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); |
314 | } | |
1931b5f9 SA |
315 | |
316 | if (show_hover_marker_) | |
317 | paint_hover_marker(p); | |
03cc651d SA |
318 | } |
319 | ||
37b9fed4 SA |
320 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) |
321 | { | |
633e8ade | 322 | bool wasAntialiased = p.testRenderHint(QPainter::Antialiasing); |
46a0cadc SA |
323 | p.setRenderHint(QPainter::Antialiasing, false); |
324 | ||
459db2c5 SA |
325 | if (pos_vdivs_ > 0) { |
326 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
327 | for (int i = 1; i <= pos_vdivs_; i++) { | |
328 | const float dy = i * div_height_; | |
329 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
330 | } | |
8ad61f40 | 331 | } |
459db2c5 | 332 | |
3b2ead4f | 333 | if ((pos_vdivs_ > 0) && show_analog_minor_grid_) { |
459db2c5 SA |
334 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
335 | for (int i = 0; i < pos_vdivs_; i++) { | |
336 | const float dy = i * div_height_; | |
337 | const float dy25 = dy + (0.25 * div_height_); | |
338 | const float dy50 = dy + (0.50 * div_height_); | |
339 | const float dy75 = dy + (0.75 * div_height_); | |
340 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
341 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
342 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
343 | } | |
37b9fed4 SA |
344 | } |
345 | ||
459db2c5 SA |
346 | if (neg_vdivs_ > 0) { |
347 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
348 | for (int i = 1; i <= neg_vdivs_; i++) { | |
349 | const float dy = i * div_height_; | |
350 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
351 | } | |
8ad61f40 | 352 | } |
459db2c5 | 353 | |
3b2ead4f | 354 | if ((pos_vdivs_ > 0) && show_analog_minor_grid_) { |
459db2c5 SA |
355 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
356 | for (int i = 0; i < neg_vdivs_; i++) { | |
357 | const float dy = i * div_height_; | |
358 | const float dy25 = dy + (0.25 * div_height_); | |
359 | const float dy50 = dy + (0.50 * div_height_); | |
360 | const float dy75 = dy + (0.75 * div_height_); | |
361 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
362 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
363 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
364 | } | |
37b9fed4 | 365 | } |
46a0cadc | 366 | |
633e8ade | 367 | p.setRenderHint(QPainter::Antialiasing, wasAntialiased); |
37b9fed4 SA |
368 | } |
369 | ||
7c68ddae | 370 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 371 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
372 | int y, int left, const int64_t start, const int64_t end, |
373 | const double pixels_offset, const double samples_per_pixel) | |
374 | { | |
fdfd5b3e SA |
375 | if (end <= start) |
376 | return; | |
377 | ||
d37ff80d SA |
378 | bool paint_thr_dots = |
379 | (base_->get_conversion_type() != data::SignalBase::NoConversion) && | |
380 | (conversion_threshold_disp_mode_ == GlobalSettings::ConvThrDispMode_Dots); | |
381 | ||
382 | vector<double> thresholds; | |
383 | if (paint_thr_dots) | |
384 | thresholds = base_->get_conversion_thresholds(); | |
385 | ||
fdfd5b3e SA |
386 | // Calculate and paint the sampling points if enabled and useful |
387 | GlobalSettings settings; | |
388 | const bool show_sampling_points = | |
3b2ead4f | 389 | (show_sampling_points_ || paint_thr_dots) && (samples_per_pixel < 0.25); |
fdfd5b3e | 390 | |
641574bc | 391 | p.setPen(base_->color()); |
7c68ddae | 392 | |
f8a8811b | 393 | const int64_t points_count = end - start + 1; |
76ce6c7a UH |
394 | |
395 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
396 | QPointF *point = points; |
397 | ||
d37ff80d | 398 | vector<QRectF> sampling_points[3]; |
8de1e1b2 | 399 | |
fdfd5b3e SA |
400 | int64_t sample_count = min(points_count, TracePaintBlockSize); |
401 | int64_t block_sample = 0; | |
b82243f7 SA |
402 | float *sample_block = new float[TracePaintBlockSize]; |
403 | segment->get_samples(start, start + sample_count, sample_block); | |
26a883ed | 404 | |
0cbadf1c SA |
405 | if (show_hover_marker_) |
406 | reset_pixel_values(); | |
407 | ||
8de1e1b2 | 408 | const int w = 2; |
f8a8811b | 409 | for (int64_t sample = start; sample <= end; sample++, block_sample++) { |
fdfd5b3e | 410 | |
0cbadf1c | 411 | // Fetch next block of samples if we finished the current one |
fdfd5b3e SA |
412 | if (block_sample == TracePaintBlockSize) { |
413 | block_sample = 0; | |
fdfd5b3e | 414 | sample_count = min(points_count - sample, TracePaintBlockSize); |
b82243f7 | 415 | segment->get_samples(sample, sample + sample_count, sample_block); |
fdfd5b3e SA |
416 | } |
417 | ||
0cbadf1c SA |
418 | const float abs_x = sample / samples_per_pixel - pixels_offset; |
419 | const float x = left + abs_x; | |
26a883ed | 420 | |
fdfd5b3e | 421 | *point++ = QPointF(x, y - sample_block[block_sample] * scale_); |
8de1e1b2 | 422 | |
0cbadf1c SA |
423 | // Generate the pixel<->value lookup table for the mouse hover |
424 | if (show_hover_marker_) | |
425 | process_next_sample_value(abs_x, sample_block[block_sample]); | |
426 | ||
427 | // Create the sampling points if needed | |
d37ff80d SA |
428 | if (show_sampling_points) { |
429 | int idx = 0; // Neutral | |
430 | ||
431 | if (paint_thr_dots) { | |
432 | if (thresholds.size() == 1) | |
433 | idx = (sample_block[block_sample] >= thresholds[0]) ? 2 : 1; | |
434 | else if (thresholds.size() == 2) { | |
435 | if (sample_block[block_sample] > thresholds[1]) | |
436 | idx = 2; // High | |
437 | else if (sample_block[block_sample] < thresholds[0]) | |
438 | idx = 1; // Low | |
439 | } | |
440 | } | |
441 | ||
9a0e1305 | 442 | sampling_points[idx].emplace_back(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); |
d37ff80d | 443 | } |
a8acb46e | 444 | } |
fdfd5b3e | 445 | delete[] sample_block; |
a8acb46e | 446 | |
76ce6c7a | 447 | p.drawPolyline(points, points_count); |
a8acb46e | 448 | |
fdfd5b3e | 449 | if (show_sampling_points) { |
d37ff80d | 450 | if (paint_thr_dots) { |
641574bc | 451 | p.setPen(SamplingPointColorNe); |
d37ff80d | 452 | p.drawRects(sampling_points[0].data(), sampling_points[0].size()); |
641574bc | 453 | p.setPen(SamplingPointColorLo); |
d37ff80d | 454 | p.drawRects(sampling_points[1].data(), sampling_points[1].size()); |
641574bc | 455 | p.setPen(SamplingPointColorHi); |
d37ff80d SA |
456 | p.drawRects(sampling_points[2].data(), sampling_points[2].size()); |
457 | } else { | |
641574bc | 458 | p.setPen(SamplingPointColor); |
d37ff80d SA |
459 | p.drawRects(sampling_points[0].data(), sampling_points[0].size()); |
460 | } | |
8de1e1b2 UH |
461 | } |
462 | ||
a8acb46e | 463 | delete[] points; |
aba1dd16 JH |
464 | } |
465 | ||
7c68ddae | 466 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 467 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
468 | int y, int left, const int64_t start, const int64_t end, |
469 | const double pixels_offset, const double samples_per_pixel) | |
470 | { | |
f3d66e52 | 471 | using pv::data::AnalogSegment; |
7c68ddae | 472 | |
0cbadf1c SA |
473 | // Note: Envelope painting currently doesn't generate a pixel<->value lookup table |
474 | if (show_hover_marker_) | |
475 | reset_pixel_values(); | |
476 | ||
f3d66e52 JH |
477 | AnalogSegment::EnvelopeSection e; |
478 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
479 | |
480 | if (e.length < 2) | |
481 | return; | |
482 | ||
819f4c25 | 483 | p.setPen(QPen(Qt::NoPen)); |
641574bc | 484 | p.setBrush(base_->color()); |
7c68ddae JH |
485 | |
486 | QRectF *const rects = new QRectF[e.length]; | |
487 | QRectF *rect = rects; | |
488 | ||
c063290a | 489 | for (uint64_t sample = 0; sample < e.length - 1; sample++) { |
7c68ddae JH |
490 | const float x = ((e.scale * sample + e.start) / |
491 | samples_per_pixel - pixels_offset) + left; | |
0cbadf1c SA |
492 | |
493 | const AnalogSegment::EnvelopeSample *const s = e.samples + sample; | |
7c68ddae JH |
494 | |
495 | // We overlap this sample with the next so that vertical | |
496 | // gaps do not appear during steep rising or falling edges | |
c063290a UH |
497 | const float b = y - max(s->max, (s + 1)->min) * scale_; |
498 | const float t = y - min(s->min, (s + 1)->max) * scale_; | |
7c68ddae JH |
499 | |
500 | float h = b - t; | |
f3290553 | 501 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 502 | h = 1.0f; |
f3290553 | 503 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
504 | h = -1.0f; |
505 | ||
506 | *rect++ = QRectF(x, t, 1.0f, h); | |
507 | } | |
508 | ||
509 | p.drawRects(rects, e.length); | |
510 | ||
511 | delete[] rects; | |
512 | delete[] e.samples; | |
513 | } | |
514 | ||
60938e04 | 515 | void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp) |
a8fd2759 SA |
516 | { |
517 | QLineF *line; | |
518 | ||
519 | vector< pair<int64_t, bool> > edges; | |
520 | ||
521 | assert(base_); | |
522 | ||
523 | const int y = get_visual_y(); | |
524 | ||
6c0df7c4 | 525 | if (!base_->enabled() || !base_->logic_data()) |
a8fd2759 SA |
526 | return; |
527 | ||
528 | const int signal_margin = | |
529 | QFontMetrics(QApplication::font()).height() / 2; | |
530 | ||
531 | const int ph = min(pos_vdivs_, 1) * div_height_; | |
532 | const int nh = min(neg_vdivs_, 1) * div_height_; | |
533 | const float high_offset = y - ph + signal_margin + 0.5f; | |
534 | const float low_offset = y + nh - signal_margin - 0.5f; | |
4521022b | 535 | const float signal_height = low_offset - high_offset; |
a8fd2759 | 536 | |
7daebd05 | 537 | shared_ptr<pv::data::LogicSegment> segment = get_logic_segment_to_paint(); |
4bd0ecb8 | 538 | if (!segment || (segment->get_sample_count() == 0)) |
a8fd2759 SA |
539 | return; |
540 | ||
a8fd2759 SA |
541 | double samplerate = segment->samplerate(); |
542 | ||
543 | // Show sample rate as 1Hz when it is unknown | |
544 | if (samplerate == 0.0) | |
545 | samplerate = 1.0; | |
546 | ||
547 | const double pixels_offset = pp.pixels_offset(); | |
548 | const pv::util::Timestamp& start_time = segment->start_time(); | |
20df1a39 | 549 | const int64_t last_sample = (int64_t)segment->get_sample_count() - 1; |
a8fd2759 | 550 | const double samples_per_pixel = samplerate * pp.scale(); |
124be547 | 551 | const double pixels_per_sample = 1 / samples_per_pixel; |
a8fd2759 SA |
552 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); |
553 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
554 | ||
555 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
556 | (int64_t)0), last_sample); | |
557 | const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(), | |
558 | (int64_t)0), last_sample); | |
559 | ||
560 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
561 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
562 | assert(edges.size() >= 2); | |
563 | ||
4521022b SA |
564 | const float first_sample_x = |
565 | pp.left() + (edges.front().first / samples_per_pixel - pixels_offset); | |
566 | const float last_sample_x = | |
567 | pp.left() + (edges.back().first / samples_per_pixel - pixels_offset); | |
568 | ||
124be547 | 569 | // Check whether we need to paint the sampling points |
3b2ead4f | 570 | const bool show_sampling_points = show_sampling_points_ && (samples_per_pixel < 0.25); |
124be547 | 571 | vector<QRectF> sampling_points; |
4521022b | 572 | float sampling_point_x = first_sample_x; |
124be547 SA |
573 | int64_t sampling_point_sample = start_sample; |
574 | const int w = 2; | |
575 | ||
4521022b | 576 | if (show_sampling_points) |
124be547 | 577 | sampling_points.reserve(end_sample - start_sample + 1); |
4521022b | 578 | |
4521022b | 579 | vector<QRectF> high_rects; |
099d2317 SA |
580 | float rising_edge_x; |
581 | bool rising_edge_seen = false; | |
124be547 | 582 | |
a8fd2759 SA |
583 | // Paint the edges |
584 | const unsigned int edge_count = edges.size() - 2; | |
585 | QLineF *const edge_lines = new QLineF[edge_count]; | |
586 | line = edge_lines; | |
587 | ||
099d2317 SA |
588 | if (edges.front().second) { |
589 | // Beginning of trace is high | |
590 | rising_edge_x = first_sample_x; | |
591 | rising_edge_seen = true; | |
592 | } | |
593 | ||
a8fd2759 | 594 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { |
099d2317 SA |
595 | // Note: multiple edges occupying a single pixel are represented by an edge |
596 | // with undefined logic level. This means that only the first falling edge | |
597 | // after a rising edge corresponds to said rising edge - and vice versa. If | |
598 | // more edges with the same logic level follow, they denote multiple edges. | |
599 | ||
600 | const float x = pp.left() + ((*i).first / samples_per_pixel - pixels_offset); | |
a8fd2759 | 601 | *line++ = QLineF(x, high_offset, x, low_offset); |
124be547 | 602 | |
3b2ead4f | 603 | if (fill_high_areas_) { |
099d2317 | 604 | // Any edge terminates a high area |
bae42c1d SA |
605 | if (rising_edge_seen) { |
606 | const int width = x - rising_edge_x; | |
607 | if (width > 0) | |
608 | high_rects.emplace_back(rising_edge_x, high_offset, | |
609 | width, signal_height); | |
099d2317 SA |
610 | rising_edge_seen = false; |
611 | } | |
612 | ||
613 | // Only rising edges start high areas | |
614 | if ((*i).second) { | |
615 | rising_edge_x = x; | |
616 | rising_edge_seen = true; | |
617 | } | |
4521022b SA |
618 | } |
619 | ||
124be547 SA |
620 | if (show_sampling_points) |
621 | while (sampling_point_sample < (*i).first) { | |
622 | const float y = (*i).second ? low_offset : high_offset; | |
623 | sampling_points.emplace_back( | |
624 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
625 | sampling_point_sample++; | |
626 | sampling_point_x += pixels_per_sample; | |
627 | }; | |
a8fd2759 SA |
628 | } |
629 | ||
124be547 SA |
630 | // Calculate the sample points from the last edge to the end of the trace |
631 | if (show_sampling_points) | |
632 | while ((uint64_t)sampling_point_sample <= end_sample) { | |
633 | // Signal changed after the last edge, so the level is inverted | |
634 | const float y = (edges.cend() - 1)->second ? high_offset : low_offset; | |
635 | sampling_points.emplace_back( | |
636 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
637 | sampling_point_sample++; | |
638 | sampling_point_x += pixels_per_sample; | |
639 | }; | |
640 | ||
3b2ead4f | 641 | if (fill_high_areas_) { |
099d2317 SA |
642 | // Add last high rectangle if the signal is still high at the end of the trace |
643 | if (rising_edge_seen && (edges.cend() - 1)->second) | |
644 | high_rects.emplace_back(rising_edge_x, high_offset, | |
645 | last_sample_x - rising_edge_x, signal_height); | |
4521022b | 646 | |
3b2ead4f SA |
647 | p.setPen(high_fill_color_); |
648 | p.setBrush(high_fill_color_); | |
4521022b SA |
649 | p.drawRects((const QRectF*)(high_rects.data()), high_rects.size()); |
650 | } | |
651 | ||
641574bc | 652 | p.setPen(LogicSignal::EdgeColor); |
a8fd2759 SA |
653 | p.drawLines(edge_lines, edge_count); |
654 | delete[] edge_lines; | |
655 | ||
656 | // Paint the caps | |
657 | const unsigned int max_cap_line_count = edges.size(); | |
658 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
659 | ||
641574bc | 660 | p.setPen(LogicSignal::HighColor); |
a8fd2759 SA |
661 | paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel, |
662 | pixels_offset, pp.left(), high_offset); | |
641574bc | 663 | p.setPen(LogicSignal::LowColor); |
a8fd2759 SA |
664 | paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel, |
665 | pixels_offset, pp.left(), low_offset); | |
666 | ||
667 | delete[] cap_lines; | |
668 | ||
a8fd2759 | 669 | // Paint the sampling points |
124be547 | 670 | if (show_sampling_points) { |
641574bc | 671 | p.setPen(SamplingPointColor); |
124be547 | 672 | p.drawRects(sampling_points.data(), sampling_points.size()); |
a8fd2759 | 673 | } |
a8fd2759 SA |
674 | } |
675 | ||
676 | void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines, | |
677 | vector< pair<int64_t, bool> > &edges, bool level, | |
678 | double samples_per_pixel, double pixels_offset, float x_offset, | |
679 | float y_offset) | |
680 | { | |
681 | QLineF *line = lines; | |
682 | ||
683 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
684 | if ((*i).second == level) { | |
685 | *line++ = QLineF( | |
686 | ((*i).first / samples_per_pixel - | |
687 | pixels_offset) + x_offset, y_offset, | |
688 | ((*(i+1)).first / samples_per_pixel - | |
689 | pixels_offset) + x_offset, y_offset); | |
690 | } | |
691 | ||
692 | p.drawLines(lines, line - lines); | |
693 | } | |
694 | ||
7daebd05 SA |
695 | shared_ptr<pv::data::AnalogSegment> AnalogSignal::get_analog_segment_to_paint() const |
696 | { | |
697 | shared_ptr<pv::data::AnalogSegment> segment; | |
698 | ||
699 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
700 | base_->analog_data()->analog_segments(); | |
701 | ||
702 | if (!segments.empty()) { | |
703 | if (segment_display_mode_ == ShowLastSegmentOnly) | |
704 | segment = segments.back(); | |
705 | ||
558ad6ce SA |
706 | if ((segment_display_mode_ == ShowSingleSegmentOnly) || |
707 | (segment_display_mode_ == ShowLastCompleteSegmentOnly)) { | |
7daebd05 SA |
708 | try { |
709 | segment = segments.at(current_segment_); | |
30677c13 | 710 | } catch (out_of_range&) { |
341d9a79 | 711 | qDebug() << "Current analog segment out of range for signal" << base_->name() << ":" << current_segment_; |
7daebd05 SA |
712 | } |
713 | } | |
714 | } | |
715 | ||
716 | return segment; | |
717 | } | |
718 | ||
719 | shared_ptr<pv::data::LogicSegment> AnalogSignal::get_logic_segment_to_paint() const | |
720 | { | |
721 | shared_ptr<pv::data::LogicSegment> segment; | |
722 | ||
723 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
724 | base_->logic_data()->logic_segments(); | |
725 | ||
726 | if (!segments.empty()) { | |
727 | if (segment_display_mode_ == ShowLastSegmentOnly) | |
728 | segment = segments.back(); | |
729 | ||
558ad6ce SA |
730 | if ((segment_display_mode_ == ShowSingleSegmentOnly) || |
731 | (segment_display_mode_ == ShowLastCompleteSegmentOnly)) { | |
7daebd05 SA |
732 | try { |
733 | segment = segments.at(current_segment_); | |
30677c13 | 734 | } catch (out_of_range&) { |
341d9a79 | 735 | qDebug() << "Current logic segment out of range for signal" << base_->name() << ":" << current_segment_; |
7daebd05 SA |
736 | } |
737 | } | |
738 | } | |
739 | ||
740 | return segment; | |
741 | } | |
742 | ||
368a37c2 | 743 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
744 | { |
745 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 746 | |
6f925ba9 UH |
747 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); |
748 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
8a2fafcc | 749 | countof(seq)); |
834a4f1b | 750 | |
368a37c2 SA |
751 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
752 | } | |
753 | ||
754 | void AnalogSignal::update_scale() | |
755 | { | |
756 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 757 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
758 | } |
759 | ||
52c900ac SA |
760 | void AnalogSignal::update_conversion_widgets() |
761 | { | |
2b6e7a72 | 762 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
763 | |
764 | // Enable or disable widgets depending on conversion state | |
2b6e7a72 SA |
765 | conv_threshold_cb_->setEnabled(conv_type != SignalBase::NoConversion); |
766 | display_type_cb_->setEnabled(conv_type != SignalBase::NoConversion); | |
52c900ac SA |
767 | |
768 | conv_threshold_cb_->clear(); | |
769 | ||
770 | vector < pair<QString, int> > presets = base_->get_conversion_presets(); | |
771 | ||
772 | // Prevent the combo box from firing the "edit text changed" signal | |
773 | // as that would involuntarily select the first entry | |
774 | conv_threshold_cb_->blockSignals(true); | |
775 | ||
776 | // Set available options depending on chosen conversion | |
f4ab4b5c | 777 | for (pair<QString, int>& preset : presets) |
52c900ac SA |
778 | conv_threshold_cb_->addItem(preset.first, preset.second); |
779 | ||
780 | map < QString, QVariant > options = base_->get_conversion_options(); | |
781 | ||
b9cdbe03 | 782 | if (conv_type == SignalBase::A2LConversionByThreshold) { |
52c900ac | 783 | const vector<double> thresholds = base_->get_conversion_thresholds( |
b9cdbe03 | 784 | SignalBase::A2LConversionByThreshold, true); |
52c900ac SA |
785 | conv_threshold_cb_->addItem( |
786 | QString("%1V").arg(QString::number(thresholds[0], 'f', 1)), -1); | |
787 | } | |
788 | ||
2b6e7a72 | 789 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger) { |
52c900ac | 790 | const vector<double> thresholds = base_->get_conversion_thresholds( |
2b6e7a72 | 791 | SignalBase::A2LConversionBySchmittTrigger, true); |
52c900ac SA |
792 | conv_threshold_cb_->addItem(QString("%1V/%2V").arg( |
793 | QString::number(thresholds[0], 'f', 1), | |
794 | QString::number(thresholds[1], 'f', 1)), -1); | |
795 | } | |
796 | ||
797 | int preset_id = base_->get_current_conversion_preset(); | |
798 | conv_threshold_cb_->setCurrentIndex( | |
799 | conv_threshold_cb_->findData(preset_id)); | |
800 | ||
801 | conv_threshold_cb_->blockSignals(false); | |
802 | } | |
803 | ||
eeceee99 SA |
804 | vector<data::LogicSegment::EdgePair> AnalogSignal::get_nearest_level_changes(uint64_t sample_pos) |
805 | { | |
806 | assert(base_); | |
807 | assert(owner_); | |
808 | ||
809 | // Return if there's no logic data or we're showing only the analog trace | |
810 | if (!base_->logic_data() || (display_type_ == DisplayAnalog)) | |
811 | return vector<data::LogicSegment::EdgePair>(); | |
812 | ||
813 | if (sample_pos == 0) | |
814 | return vector<LogicSegment::EdgePair>(); | |
815 | ||
816 | shared_ptr<LogicSegment> segment = get_logic_segment_to_paint(); | |
817 | if (!segment || (segment->get_sample_count() == 0)) | |
818 | return vector<LogicSegment::EdgePair>(); | |
819 | ||
820 | const View *view = owner_->view(); | |
821 | assert(view); | |
822 | const double samples_per_pixel = base_->get_samplerate() * view->scale(); | |
823 | ||
824 | vector<LogicSegment::EdgePair> edges; | |
825 | ||
826 | segment->get_surrounding_edges(edges, sample_pos, | |
827 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
828 | ||
829 | if (edges.empty()) | |
830 | return vector<LogicSegment::EdgePair>(); | |
831 | ||
832 | return edges; | |
833 | } | |
834 | ||
430b94aa | 835 | void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) |
73e377fe SA |
836 | { |
837 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
838 | base_->analog_data()->analog_segments(); | |
839 | ||
840 | if (segments.empty()) | |
841 | return; | |
842 | ||
843 | static double prev_min = 0, prev_max = 0; | |
844 | double min = 0, max = 0; | |
845 | ||
f4ab4b5c | 846 | for (const shared_ptr<pv::data::AnalogSegment>& segment : segments) { |
6f925ba9 | 847 | pair<double, double> mm = segment->get_min_max(); |
73e377fe SA |
848 | min = std::min(min, mm.first); |
849 | max = std::max(max, mm.second); | |
850 | } | |
851 | ||
852 | if ((min == prev_min) && (max == prev_max) && !force_update) | |
853 | return; | |
854 | ||
855 | prev_min = min; | |
856 | prev_max = max; | |
857 | ||
430b94aa SA |
858 | // If we're allowed to alter the div assignment... |
859 | if (!keep_divs) { | |
860 | // Use all divs for the positive range if there are no negative values | |
861 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
862 | pos_vdivs_ += neg_vdivs_; | |
863 | neg_vdivs_ = 0; | |
864 | } | |
73e377fe | 865 | |
430b94aa SA |
866 | // Split up the divs if there are negative values but no negative divs |
867 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
868 | neg_vdivs_ = pos_vdivs_ / 2; | |
869 | pos_vdivs_ -= neg_vdivs_; | |
870 | } | |
681b6d5a SA |
871 | } |
872 | ||
430b94aa SA |
873 | // If there is still no positive div when we need it, add one |
874 | // (this can happen when pos_vdivs==neg_vdivs==0) | |
17c7f31c | 875 | if ((max > 0) && (pos_vdivs_ == 0)) { |
430b94aa | 876 | pos_vdivs_ = 1; |
17c7f31c SA |
877 | owner_->extents_changed(false, true); |
878 | } | |
430b94aa SA |
879 | |
880 | // If there is still no negative div when we need it, add one | |
881 | // (this can happen when pos_vdivs was 0 or 1 when trying to split) | |
17c7f31c | 882 | if ((min < 0) && (neg_vdivs_ == 0)) { |
430b94aa | 883 | neg_vdivs_ = 1; |
17c7f31c SA |
884 | owner_->extents_changed(false, true); |
885 | } | |
430b94aa | 886 | |
73e377fe SA |
887 | double min_value_per_div; |
888 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
889 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
890 | else if (pos_vdivs_ > 0) | |
891 | min_value_per_div = max / pos_vdivs_; | |
892 | else | |
893 | min_value_per_div = -min / neg_vdivs_; | |
894 | ||
895 | // Find first scale value that is bigger than the value we need | |
896 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
897 | if (get_resolution(i) > min_value_per_div) { | |
898 | scale_index_ = i; | |
899 | break; | |
900 | } | |
901 | ||
902 | update_scale(); | |
903 | } | |
904 | ||
0cbadf1c SA |
905 | void AnalogSignal::reset_pixel_values() |
906 | { | |
907 | value_at_pixel_pos_.clear(); | |
908 | current_pixel_pos_ = -1; | |
909 | prev_value_at_pixel_ = std::numeric_limits<float>::quiet_NaN(); | |
910 | } | |
911 | ||
912 | void AnalogSignal::process_next_sample_value(float x, float value) | |
913 | { | |
914 | // Note: NAN is used to indicate the non-existance of a value at this pixel | |
915 | ||
6f054e92 | 916 | if (std::isnan(prev_value_at_pixel_)) { |
0cbadf1c SA |
917 | if (x < 0) { |
918 | min_value_at_pixel_ = value; | |
919 | max_value_at_pixel_ = value; | |
920 | prev_value_at_pixel_ = value; | |
921 | current_pixel_pos_ = x; | |
922 | } else | |
923 | prev_value_at_pixel_ = std::numeric_limits<float>::quiet_NaN(); | |
924 | } | |
925 | ||
926 | const int pixel_pos = (int)(x + 0.5); | |
927 | ||
928 | if (pixel_pos > current_pixel_pos_) { | |
929 | if (pixel_pos - current_pixel_pos_ == 1) { | |
6f054e92 | 930 | if (std::isnan(prev_value_at_pixel_)) { |
0cbadf1c SA |
931 | value_at_pixel_pos_.push_back(prev_value_at_pixel_); |
932 | } else { | |
933 | // Average the min/max range to create one value for the previous pixel | |
934 | const float avg = (min_value_at_pixel_ + max_value_at_pixel_) / 2; | |
935 | value_at_pixel_pos_.push_back(avg); | |
936 | } | |
937 | } else { | |
938 | // Interpolate values to create values for the intermediate pixels | |
939 | const float start_value = prev_value_at_pixel_; | |
940 | const float end_value = value; | |
941 | const int steps = fabs(pixel_pos - current_pixel_pos_); | |
942 | const double gradient = (end_value - start_value) / steps; | |
943 | for (int i = 0; i < steps; i++) { | |
944 | if (current_pixel_pos_ + i < 0) | |
945 | continue; | |
946 | value_at_pixel_pos_.push_back(start_value + i * gradient); | |
947 | } | |
948 | } | |
949 | ||
950 | min_value_at_pixel_ = value; | |
951 | max_value_at_pixel_ = value; | |
952 | prev_value_at_pixel_ = value; | |
953 | current_pixel_pos_ = pixel_pos; | |
954 | } else { | |
955 | // Another sample for the same pixel | |
956 | if (value < min_value_at_pixel_) | |
957 | min_value_at_pixel_ = value; | |
958 | if (value > max_value_at_pixel_) | |
959 | max_value_at_pixel_ = value; | |
960 | } | |
961 | } | |
962 | ||
4cffac16 SA |
963 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
964 | { | |
965 | // Add the standard options | |
966 | Signal::populate_popup_form(parent, form); | |
967 | ||
368a37c2 SA |
968 | QFormLayout *const layout = new QFormLayout; |
969 | ||
cbb50547 | 970 | // Add div-related settings |
430b94aa SA |
971 | pvdiv_sb_ = new QSpinBox(parent); |
972 | pvdiv_sb_->setRange(0, MaximumVDivs); | |
973 | pvdiv_sb_->setValue(pos_vdivs_); | |
974 | connect(pvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 975 | this, SLOT(on_pos_vdivs_changed(int))); |
430b94aa | 976 | layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb_); |
459db2c5 | 977 | |
430b94aa SA |
978 | nvdiv_sb_ = new QSpinBox(parent); |
979 | nvdiv_sb_->setRange(0, MaximumVDivs); | |
980 | nvdiv_sb_->setValue(neg_vdivs_); | |
981 | connect(nvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 982 | this, SLOT(on_neg_vdivs_changed(int))); |
430b94aa | 983 | layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb_); |
368a37c2 | 984 | |
cbb50547 SA |
985 | div_height_sb_ = new QSpinBox(parent); |
986 | div_height_sb_->setRange(20, 1000); | |
987 | div_height_sb_->setSingleStep(5); | |
988 | div_height_sb_->setSuffix(tr(" pixels")); | |
989 | div_height_sb_->setValue(div_height_); | |
990 | connect(div_height_sb_, SIGNAL(valueChanged(int)), | |
991 | this, SLOT(on_div_height_changed(int))); | |
992 | layout->addRow(tr("Div height"), div_height_sb_); | |
993 | ||
368a37c2 SA |
994 | // Add the vertical resolution |
995 | resolution_cb_ = new QComboBox(parent); | |
996 | ||
997 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
998 | const QString label = QString("%1").arg(get_resolution(i)); | |
999 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
1000 | } | |
1001 | ||
a970015f | 1002 | int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); |
368a37c2 SA |
1003 | resolution_cb_->setCurrentIndex(cur_idx); |
1004 | ||
1005 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
1006 | this, SLOT(on_resolution_changed(int))); | |
1007 | ||
1008 | QGridLayout *const vdiv_layout = new QGridLayout; | |
1009 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
1010 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
1011 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
1012 | ||
1013 | layout->addRow(tr("Vertical resolution"), vdiv_layout); | |
1014 | ||
73e377fe SA |
1015 | // Add the autoranging checkbox |
1016 | QCheckBox* autoranging_cb = new QCheckBox(); | |
1017 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
1018 | ||
1019 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
1020 | this, SLOT(on_autoranging_changed(int))); | |
1021 | ||
1022 | layout->addRow(tr("Autoranging"), autoranging_cb); | |
1023 | ||
a970015f SA |
1024 | // Add the conversion type dropdown |
1025 | conversion_cb_ = new QComboBox(); | |
1026 | ||
2b6e7a72 SA |
1027 | conversion_cb_->addItem(tr("none"), |
1028 | SignalBase::NoConversion); | |
1029 | conversion_cb_->addItem(tr("to logic via threshold"), | |
b9cdbe03 | 1030 | SignalBase::A2LConversionByThreshold); |
2b6e7a72 SA |
1031 | conversion_cb_->addItem(tr("to logic via schmitt-trigger"), |
1032 | SignalBase::A2LConversionBySchmittTrigger); | |
a970015f | 1033 | |
06b6ce26 | 1034 | cur_idx = conversion_cb_->findData(QVariant(base_->get_conversion_type())); |
a970015f SA |
1035 | conversion_cb_->setCurrentIndex(cur_idx); |
1036 | ||
7c84c074 | 1037 | layout->addRow(tr("Conversion"), conversion_cb_); |
a970015f SA |
1038 | |
1039 | connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), | |
1040 | this, SLOT(on_conversion_changed(int))); | |
1041 | ||
52c900ac SA |
1042 | // Add the conversion threshold settings |
1043 | conv_threshold_cb_ = new QComboBox(); | |
1044 | conv_threshold_cb_->setEditable(true); | |
1045 | ||
1046 | layout->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_); | |
1047 | ||
1048 | connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)), | |
1049 | this, SLOT(on_conv_threshold_changed(int))); | |
bc4b9ccf | 1050 | connect(conv_threshold_cb_, SIGNAL(editTextChanged(const QString&)), |
52c900ac SA |
1051 | this, SLOT(on_conv_threshold_changed())); // index will be -1 |
1052 | ||
a970015f SA |
1053 | // Add the display type dropdown |
1054 | display_type_cb_ = new QComboBox(); | |
1055 | ||
c6b017fb SA |
1056 | display_type_cb_->addItem(tr("analog"), DisplayAnalog); |
1057 | display_type_cb_->addItem(tr("converted"), DisplayConverted); | |
1058 | display_type_cb_->addItem(tr("analog+converted"), DisplayBoth); | |
a970015f SA |
1059 | |
1060 | cur_idx = display_type_cb_->findData(QVariant(display_type_)); | |
1061 | display_type_cb_->setCurrentIndex(cur_idx); | |
1062 | ||
c6b017fb | 1063 | layout->addRow(tr("Show traces for"), display_type_cb_); |
a970015f | 1064 | |
b8c4a95b SA |
1065 | connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), |
1066 | this, SLOT(on_display_type_changed(int))); | |
1067 | ||
52c900ac SA |
1068 | // Update the conversion widget contents and states |
1069 | update_conversion_widgets(); | |
1070 | ||
368a37c2 | 1071 | form->addRow(layout); |
4cffac16 SA |
1072 | } |
1073 | ||
0cbadf1c SA |
1074 | void AnalogSignal::hover_point_changed(const QPoint &hp) |
1075 | { | |
1076 | Signal::hover_point_changed(hp); | |
1077 | ||
1078 | // Note: Even though the view area begins at 0, we exclude 0 because | |
1079 | // that's also the value given when the cursor is over the header to the | |
1080 | // left of the trace paint area | |
1081 | if (hp.x() <= 0) { | |
1082 | value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN(); | |
1083 | } else { | |
1084 | try { | |
1085 | value_at_hover_pos_ = value_at_pixel_pos_.at(hp.x()); | |
16a832bc | 1086 | } catch (out_of_range&) { |
0cbadf1c SA |
1087 | value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN(); |
1088 | } | |
1089 | } | |
1090 | } | |
1091 | ||
3b2ead4f SA |
1092 | void AnalogSignal::on_setting_changed(const QString &key, const QVariant &value) |
1093 | { | |
1094 | Signal::on_setting_changed(key, value); | |
1095 | ||
1096 | if (key == GlobalSettings::Key_View_ShowSamplingPoints) | |
1097 | show_sampling_points_ = value.toBool(); | |
1098 | ||
1099 | if (key == GlobalSettings::Key_View_FillSignalHighAreas) | |
1100 | fill_high_areas_ = value.toBool(); | |
1101 | ||
1102 | if (key == GlobalSettings::Key_View_FillSignalHighAreaColor) | |
1103 | high_fill_color_ = QColor::fromRgba(value.value<uint32_t>()); | |
1104 | ||
1105 | if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) | |
1106 | show_analog_minor_grid_ = value.toBool(); | |
1107 | ||
1108 | if (key == GlobalSettings::Key_View_ConversionThresholdDispMode) { | |
1109 | conversion_threshold_disp_mode_ = value.toInt(); | |
1110 | ||
1111 | if (owner_) | |
1112 | owner_->row_item_appearance_changed(false, true); | |
1113 | } | |
1114 | } | |
1115 | ||
c6d9cf65 | 1116 | void AnalogSignal::on_min_max_changed(float min, float max) |
85715407 | 1117 | { |
c6d9cf65 SA |
1118 | (void)min; |
1119 | (void)max; | |
1120 | ||
1121 | if (autoranging_) | |
1122 | perform_autoranging(false, false); | |
85715407 SA |
1123 | } |
1124 | ||
459db2c5 SA |
1125 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
1126 | { | |
430b94aa SA |
1127 | if (vdivs == pos_vdivs_) |
1128 | return; | |
1129 | ||
459db2c5 SA |
1130 | pos_vdivs_ = vdivs; |
1131 | ||
80067e49 SA |
1132 | // There has to be at least one div, positive or negative |
1133 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
1134 | pos_vdivs_ = 1; | |
1135 | if (pvdiv_sb_) | |
1136 | pvdiv_sb_->setValue(pos_vdivs_); | |
1137 | } | |
1138 | ||
430b94aa SA |
1139 | if (autoranging_) { |
1140 | perform_autoranging(true, true); | |
1141 | ||
1142 | // It could be that a positive or negative div was added, so update | |
1143 | if (pvdiv_sb_) { | |
1144 | pvdiv_sb_->setValue(pos_vdivs_); | |
1145 | nvdiv_sb_->setValue(neg_vdivs_); | |
1146 | } | |
1147 | } | |
73e377fe | 1148 | |
459db2c5 SA |
1149 | if (owner_) { |
1150 | // Call order is important, otherwise the lazy event handler won't work | |
1151 | owner_->extents_changed(false, true); | |
1152 | owner_->row_item_appearance_changed(false, true); | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 1157 | { |
430b94aa SA |
1158 | if (vdivs == neg_vdivs_) |
1159 | return; | |
1160 | ||
459db2c5 | 1161 | neg_vdivs_ = vdivs; |
4cffac16 | 1162 | |
80067e49 SA |
1163 | // There has to be at least one div, positive or negative |
1164 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
1165 | pos_vdivs_ = 1; | |
1166 | if (pvdiv_sb_) | |
1167 | pvdiv_sb_->setValue(pos_vdivs_); | |
1168 | } | |
1169 | ||
430b94aa SA |
1170 | if (autoranging_) { |
1171 | perform_autoranging(true, true); | |
1172 | ||
1173 | // It could be that a positive or negative div was added, so update | |
1174 | if (pvdiv_sb_) { | |
1175 | pvdiv_sb_->setValue(pos_vdivs_); | |
1176 | nvdiv_sb_->setValue(neg_vdivs_); | |
1177 | } | |
1178 | } | |
73e377fe | 1179 | |
75d0779e SA |
1180 | if (owner_) { |
1181 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 1182 | owner_->extents_changed(false, true); |
75d0779e SA |
1183 | owner_->row_item_appearance_changed(false, true); |
1184 | } | |
4cffac16 SA |
1185 | } |
1186 | ||
cbb50547 SA |
1187 | void AnalogSignal::on_div_height_changed(int height) |
1188 | { | |
1189 | div_height_ = height; | |
1190 | update_scale(); | |
1191 | ||
1192 | if (owner_) { | |
1193 | // Call order is important, otherwise the lazy event handler won't work | |
1194 | owner_->extents_changed(false, true); | |
1195 | owner_->row_item_appearance_changed(false, true); | |
1196 | } | |
1197 | } | |
1198 | ||
368a37c2 SA |
1199 | void AnalogSignal::on_resolution_changed(int index) |
1200 | { | |
1201 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
1202 | update_scale(); | |
1203 | ||
1204 | if (owner_) | |
1205 | owner_->row_item_appearance_changed(false, true); | |
1206 | } | |
4cffac16 | 1207 | |
73e377fe SA |
1208 | void AnalogSignal::on_autoranging_changed(int state) |
1209 | { | |
1210 | autoranging_ = (state == Qt::Checked); | |
1211 | ||
1212 | if (autoranging_) | |
430b94aa | 1213 | perform_autoranging(false, true); |
73e377fe | 1214 | |
85715407 SA |
1215 | if (owner_) { |
1216 | // Call order is important, otherwise the lazy event handler won't work | |
1217 | owner_->extents_changed(false, true); | |
73e377fe | 1218 | owner_->row_item_appearance_changed(false, true); |
85715407 | 1219 | } |
73e377fe SA |
1220 | } |
1221 | ||
a970015f SA |
1222 | void AnalogSignal::on_conversion_changed(int index) |
1223 | { | |
2b6e7a72 | 1224 | SignalBase::ConversionType old_conv_type = base_->get_conversion_type(); |
a8fd2759 | 1225 | |
2b6e7a72 SA |
1226 | SignalBase::ConversionType conv_type = |
1227 | (SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); | |
a8fd2759 | 1228 | |
06b6ce26 SA |
1229 | if (conv_type != old_conv_type) { |
1230 | base_->set_conversion_type(conv_type); | |
52c900ac | 1231 | update_conversion_widgets(); |
06b6ce26 SA |
1232 | |
1233 | if (owner_) | |
1234 | owner_->row_item_appearance_changed(false, true); | |
a8fd2759 | 1235 | } |
a970015f SA |
1236 | } |
1237 | ||
52c900ac SA |
1238 | void AnalogSignal::on_conv_threshold_changed(int index) |
1239 | { | |
2b6e7a72 | 1240 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
1241 | |
1242 | // Note: index is set to -1 if the text in the combo box matches none of | |
1243 | // the entries in the combo box | |
1244 | ||
1245 | if ((index == -1) && (conv_threshold_cb_->currentText().length() == 0)) | |
1246 | return; | |
1247 | ||
1248 | // The combo box entry with the custom value has user_data set to -1 | |
1249 | const int user_data = conv_threshold_cb_->findText( | |
1250 | conv_threshold_cb_->currentText()); | |
1251 | ||
1252 | const bool use_custom_thr = (index == -1) || (user_data == -1); | |
1253 | ||
b9cdbe03 | 1254 | if (conv_type == SignalBase::A2LConversionByThreshold && use_custom_thr) { |
52c900ac SA |
1255 | // Not one of the preset values, try to parse the combo box text |
1256 | // Note: Regex loosely based on | |
1257 | // https://txt2re.com/index-c++.php3?s=0.1V&1&-13 | |
1258 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1259 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1260 | QRegExp regex(re1 + re2); | |
1261 | ||
1262 | const QString text = conv_threshold_cb_->currentText(); | |
1263 | if (!regex.exactMatch(text)) | |
1264 | return; // String doesn't match the regex | |
1265 | ||
1266 | QStringList tokens = regex.capturedTexts(); | |
1267 | ||
1268 | // For now, we simply assume that the unit is volt without modifiers | |
1269 | const double thr = tokens.at(1).toDouble(); | |
1270 | ||
932bc246 SA |
1271 | // Only restart the conversion if the threshold was updated. |
1272 | // We're starting a delayed conversion because the user may still be | |
1273 | // typing and the UI would lag if we kept on restarting it immediately | |
52c900ac | 1274 | if (base_->set_conversion_option("threshold_value", thr)) |
932bc246 | 1275 | base_->start_conversion(true); |
52c900ac SA |
1276 | } |
1277 | ||
2b6e7a72 | 1278 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger && use_custom_thr) { |
52c900ac SA |
1279 | // Not one of the preset values, try to parse the combo box text |
1280 | // Note: Regex loosely based on | |
1281 | // https://txt2re.com/index-c++.php3?s=0.1V/0.2V&2&14&-22&3&15 | |
1282 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1283 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1284 | QString re3 = "\\/"; // Forward slash, not captured | |
1285 | QString re4 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1286 | QString re5 = "([a-zA-Z]*)"; // SI unit | |
1287 | QRegExp regex(re1 + re2 + re3 + re4 + re5); | |
1288 | ||
1289 | const QString text = conv_threshold_cb_->currentText(); | |
1290 | if (!regex.exactMatch(text)) | |
1291 | return; // String doesn't match the regex | |
1292 | ||
1293 | QStringList tokens = regex.capturedTexts(); | |
1294 | ||
1295 | // For now, we simply assume that the unit is volt without modifiers | |
1296 | const double low_thr = tokens.at(1).toDouble(); | |
1297 | const double high_thr = tokens.at(3).toDouble(); | |
1298 | ||
932bc246 SA |
1299 | // Only restart the conversion if one of the options was updated. |
1300 | // We're starting a delayed conversion because the user may still be | |
1301 | // typing and the UI would lag if we kept on restarting it immediately | |
52c900ac SA |
1302 | bool o1 = base_->set_conversion_option("threshold_value_low", low_thr); |
1303 | bool o2 = base_->set_conversion_option("threshold_value_high", high_thr); | |
1304 | if (o1 || o2) | |
932bc246 | 1305 | base_->start_conversion(true); // Start delayed conversion |
52c900ac SA |
1306 | } |
1307 | ||
f0f9c856 | 1308 | base_->set_conversion_preset((SignalBase::ConversionPreset)index); |
52c900ac | 1309 | |
932bc246 SA |
1310 | // Immediately start the conversion if we're not using custom values |
1311 | // (i.e. we're using one of the presets) | |
1312 | if (!use_custom_thr) | |
52c900ac SA |
1313 | base_->start_conversion(); |
1314 | } | |
1315 | ||
1316 | void AnalogSignal::on_delayed_conversion_starter() | |
1317 | { | |
1318 | base_->start_conversion(); | |
1319 | } | |
1320 | ||
b8c4a95b SA |
1321 | void AnalogSignal::on_display_type_changed(int index) |
1322 | { | |
1323 | display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); | |
1324 | ||
1325 | if (owner_) | |
1326 | owner_->row_item_appearance_changed(false, true); | |
1327 | } | |
1328 | ||
1573bf16 | 1329 | } // namespace trace |
f4e57597 | 1330 | } // namespace views |
aba1dd16 | 1331 | } // namespace pv |