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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; |
0efa7f0c | 68 | using pv::util::determine_value_prefix; |
2b6e7a72 | 69 | |
aba1dd16 | 70 | namespace pv { |
f4e57597 | 71 | namespace views { |
1573bf16 | 72 | namespace trace { |
aba1dd16 | 73 | |
561ba3ae | 74 | const QPen AnalogSignal::AxisPen(QColor(0, 0, 0, 30 * 256 / 100), 2); |
c063290a UH |
75 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); |
76 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); | |
37b9fed4 | 77 | |
641574bc SA |
78 | const QColor AnalogSignal::SamplingPointColor(0x77, 0x77, 0x77); |
79 | const QColor AnalogSignal::SamplingPointColorLo = QColor(200, 0, 0, 80 * 256 / 100); | |
80 | const QColor AnalogSignal::SamplingPointColorNe = QColor(0, 0, 0, 80 * 256 / 100); | |
81 | const QColor AnalogSignal::SamplingPointColorHi = QColor(0, 200, 0, 80 * 256 / 100); | |
8de1e1b2 | 82 | |
4433246b | 83 | const QColor AnalogSignal::ThresholdColor = QColor(0, 0, 0, 30 * 256 / 100); |
1d150cd6 | 84 | const QColor AnalogSignal::ThresholdColorLo = QColor(255, 0, 0, 8 * 256 / 100); |
78bf7ce5 | 85 | const QColor AnalogSignal::ThresholdColorNe = QColor(0, 0, 0, 10 * 256 / 100); |
1d150cd6 | 86 | const QColor AnalogSignal::ThresholdColorHi = QColor(0, 255, 0, 8 * 256 / 100); |
4433246b | 87 | |
fdfd5b3e SA |
88 | const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) |
89 | const float AnalogSignal::EnvelopeThreshold = 64.0f; | |
7c68ddae | 90 | |
4cffac16 | 91 | const int AnalogSignal::MaximumVDivs = 10; |
6202cf13 SA |
92 | const int AnalogSignal::MinScaleIndex = -6; // 0.01 units/div |
93 | const int AnalogSignal::MaxScaleIndex = 10; // 1000 units/div | |
4cffac16 | 94 | |
03cc651d SA |
95 | const int AnalogSignal::InfoTextMarginRight = 20; |
96 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
97 | ||
b86aa8f4 | 98 | AnalogSignal::AnalogSignal( |
2b81ae46 | 99 | pv::Session &session, |
cbd2a2de | 100 | shared_ptr<data::SignalBase> base) : |
73a25a6e | 101 | Signal(session, base), |
0a952555 | 102 | value_at_hover_pos_(std::numeric_limits<float>::quiet_NaN()), |
834a4f1b | 103 | scale_index_(4), // 20 per div |
459db2c5 SA |
104 | pos_vdivs_(1), |
105 | neg_vdivs_(1), | |
73e377fe | 106 | resolution_(0), |
a970015f | 107 | display_type_(DisplayBoth), |
0a952555 | 108 | autoranging_(true) |
aba1dd16 | 109 | { |
561ba3ae SA |
110 | axis_pen_ = AxisPen; |
111 | ||
85715407 SA |
112 | pv::data::Analog* analog_data = |
113 | dynamic_cast<pv::data::Analog*>(data().get()); | |
114 | ||
c6d9cf65 SA |
115 | connect(analog_data, SIGNAL(min_max_changed(float, float)), |
116 | this, SLOT(on_min_max_changed(float, float))); | |
85715407 | 117 | |
3b2ead4f SA |
118 | GlobalSettings settings; |
119 | show_sampling_points_ = | |
120 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
121 | fill_high_areas_ = | |
122 | settings.value(GlobalSettings::Key_View_FillSignalHighAreas).toBool(); | |
123 | high_fill_color_ = QColor::fromRgba(settings.value( | |
124 | GlobalSettings::Key_View_FillSignalHighAreaColor).value<uint32_t>()); | |
125 | show_analog_minor_grid_ = | |
126 | settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
90ee1ed9 | 127 | conversion_threshold_disp_mode_ = |
3b2ead4f SA |
128 | settings.value(GlobalSettings::Key_View_ConversionThresholdDispMode).toInt(); |
129 | div_height_ = settings.value(GlobalSettings::Key_View_DefaultDivHeight).toInt(); | |
cbb50547 | 130 | |
834a4f1b | 131 | update_scale(); |
aba1dd16 JH |
132 | } |
133 | ||
3009b5b3 JH |
134 | shared_ptr<pv::data::SignalData> AnalogSignal::data() const |
135 | { | |
cbd2a2de | 136 | return base_->analog_data(); |
9a0cd293 JH |
137 | } |
138 | ||
0a952555 | 139 | std::map<QString, QVariant> AnalogSignal::save_settings() const |
3a21afa6 | 140 | { |
0a952555 SA |
141 | std::map<QString, QVariant> result; |
142 | ||
143 | result["pos_vdivs"] = pos_vdivs_; | |
144 | result["neg_vdivs"] = neg_vdivs_; | |
145 | result["scale_index"] = scale_index_; | |
146 | result["display_type"] = display_type_; | |
147 | result["autoranging"] = pos_vdivs_; | |
148 | result["div_height"] = div_height_; | |
149 | ||
150 | return result; | |
3a21afa6 SA |
151 | } |
152 | ||
0a952555 | 153 | void AnalogSignal::restore_settings(std::map<QString, QVariant> settings) |
3a21afa6 | 154 | { |
0a952555 SA |
155 | auto entry = settings.find("pos_vdivs"); |
156 | if (entry != settings.end()) | |
157 | pos_vdivs_ = settings["pos_vdivs"].toInt(); | |
459db2c5 | 158 | |
0a952555 SA |
159 | entry = settings.find("neg_vdivs"); |
160 | if (entry != settings.end()) | |
161 | neg_vdivs_ = settings["neg_vdivs"].toInt(); | |
3a21afa6 | 162 | |
0a952555 SA |
163 | entry = settings.find("scale_index"); |
164 | if (entry != settings.end()) { | |
165 | scale_index_ = settings["scale_index"].toInt(); | |
3a21afa6 SA |
166 | update_scale(); |
167 | } | |
73e377fe | 168 | |
0a952555 SA |
169 | entry = settings.find("display_type"); |
170 | if (entry != settings.end()) | |
171 | display_type_ = (DisplayType)(settings["display_type"].toInt()); | |
a970015f | 172 | |
0a952555 SA |
173 | entry = settings.find("autoranging"); |
174 | if (entry != settings.end()) | |
175 | autoranging_ = settings["autoranging"].toBool(); | |
cbb50547 | 176 | |
0a952555 SA |
177 | entry = settings.find("div_height"); |
178 | if (entry != settings.end()) { | |
cbb50547 | 179 | const int old_height = div_height_; |
0a952555 | 180 | div_height_ = settings["div_height"].toInt(); |
cbb50547 SA |
181 | |
182 | if ((div_height_ != old_height) && owner_) { | |
183 | // Call order is important, otherwise the lazy event handler won't work | |
184 | owner_->extents_changed(false, true); | |
185 | owner_->row_item_appearance_changed(false, true); | |
186 | } | |
187 | } | |
3a21afa6 SA |
188 | } |
189 | ||
6f925ba9 | 190 | pair<int, int> AnalogSignal::v_extents() const |
a5d93c27 | 191 | { |
459db2c5 SA |
192 | const int ph = pos_vdivs_ * div_height_; |
193 | const int nh = neg_vdivs_ * div_height_; | |
194 | return make_pair(-ph, nh); | |
a5d93c27 JH |
195 | } |
196 | ||
60938e04 | 197 | void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp) |
fe08b6e8 | 198 | { |
1d150cd6 SA |
199 | if (!base_->enabled()) |
200 | return; | |
201 | ||
90ee1ed9 SA |
202 | bool paint_thr_bg = |
203 | conversion_threshold_disp_mode_ == GlobalSettings::ConvThrDispMode_Background; | |
204 | ||
1d150cd6 SA |
205 | const vector<double> thresholds = base_->get_conversion_thresholds(); |
206 | ||
207 | // Only display thresholds if we have some and we show analog samples | |
90ee1ed9 | 208 | if ((thresholds.size() > 0) && paint_thr_bg && |
1d150cd6 SA |
209 | ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth))) { |
210 | ||
211 | const int visual_y = get_visual_y(); | |
212 | const pair<int, int> extents = v_extents(); | |
213 | const int top = visual_y + extents.first; | |
214 | const int btm = visual_y + extents.second; | |
215 | ||
216 | // Draw high/neutral/low areas | |
217 | if (thresholds.size() == 2) { | |
03d2a4f8 SA |
218 | int thr_lo = visual_y - thresholds[0] * scale_; |
219 | int thr_hi = visual_y - thresholds[1] * scale_; | |
220 | thr_lo = min(max(thr_lo, top), btm); | |
221 | thr_hi = min(max(thr_hi, top), btm); | |
1d150cd6 SA |
222 | |
223 | p.fillRect(QRectF(pp.left(), top, pp.width(), thr_hi - top), | |
224 | QBrush(ThresholdColorHi)); | |
225 | p.fillRect(QRectF(pp.left(), thr_hi, pp.width(), thr_lo - thr_hi), | |
226 | QBrush(ThresholdColorNe)); | |
227 | p.fillRect(QRectF(pp.left(), thr_lo, pp.width(), btm - thr_lo), | |
228 | QBrush(ThresholdColorLo)); | |
229 | } else { | |
03d2a4f8 SA |
230 | int thr = visual_y - thresholds[0] * scale_; |
231 | thr = min(max(thr, top), btm); | |
1d150cd6 SA |
232 | |
233 | p.fillRect(QRectF(pp.left(), top, pp.width(), thr - top), | |
234 | QBrush(ThresholdColorHi)); | |
235 | p.fillRect(QRectF(pp.left(), thr, pp.width(), btm - thr), | |
236 | QBrush(ThresholdColorLo)); | |
237 | } | |
238 | ||
239 | paint_axis(p, pp, get_visual_y()); | |
240 | } else { | |
b571a8e7 | 241 | Signal::paint_back(p, pp); |
97904bf7 | 242 | paint_axis(p, pp, get_visual_y()); |
99af6802 | 243 | } |
fe08b6e8 JH |
244 | } |
245 | ||
60938e04 | 246 | void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) |
aba1dd16 | 247 | { |
cbd2a2de | 248 | assert(base_->analog_data()); |
8dbbc7f0 | 249 | assert(owner_); |
a8acb46e | 250 | |
be9e7b4b | 251 | const int y = get_visual_y(); |
01fd3263 | 252 | |
73a25a6e | 253 | if (!base_->enabled()) |
cec48d16 JH |
254 | return; |
255 | ||
a8fd2759 SA |
256 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
257 | paint_grid(p, y, pp.left(), pp.right()); | |
258 | ||
7daebd05 | 259 | shared_ptr<pv::data::AnalogSegment> segment = get_analog_segment_to_paint(); |
4bd0ecb8 | 260 | if (!segment || (segment->get_sample_count() == 0)) |
a8fd2759 SA |
261 | return; |
262 | ||
a8fd2759 SA |
263 | const double pixels_offset = pp.pixels_offset(); |
264 | const double samplerate = max(1.0, segment->samplerate()); | |
265 | const pv::util::Timestamp& start_time = segment->start_time(); | |
20df1a39 | 266 | const int64_t last_sample = (int64_t)segment->get_sample_count() - 1; |
a8fd2759 SA |
267 | const double samples_per_pixel = samplerate * pp.scale(); |
268 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
269 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
270 | ||
271 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
272 | (int64_t)0), last_sample); | |
273 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), | |
274 | (int64_t)0), last_sample); | |
275 | ||
276 | if (samples_per_pixel < EnvelopeThreshold) | |
0cbadf1c | 277 | paint_trace(p, segment, y, pp.left(), start_sample, end_sample, |
a8fd2759 SA |
278 | pixels_offset, samples_per_pixel); |
279 | else | |
0cbadf1c | 280 | paint_envelope(p, segment, y, pp.left(), start_sample, end_sample, |
a8fd2759 SA |
281 | pixels_offset, samples_per_pixel); |
282 | } | |
a8acb46e | 283 | |
1d150cd6 SA |
284 | if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) |
285 | paint_logic_mid(p, pp); | |
7c68ddae JH |
286 | } |
287 | ||
60938e04 | 288 | void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) |
03cc651d SA |
289 | { |
290 | if (!enabled()) | |
291 | return; | |
292 | ||
b8c4a95b SA |
293 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
294 | const int y = get_visual_y(); | |
03cc651d | 295 | |
0cbadf1c SA |
296 | QString infotext; |
297 | ||
0efa7f0c SA |
298 | SIPrefix prefix; |
299 | if (fabs(signal_max_) > fabs(signal_min_)) | |
300 | prefix = determine_value_prefix(fabs(signal_max_)); | |
301 | else | |
302 | prefix = determine_value_prefix(fabs(signal_min_)); | |
303 | ||
0cbadf1c SA |
304 | // Show the info section on the right side of the trace, including |
305 | // the value at the hover point when the hover marker is enabled | |
306 | // and we have corresponding data available | |
6f054e92 | 307 | if (show_hover_marker_ && !std::isnan(value_at_hover_pos_)) { |
0cbadf1c | 308 | infotext = QString("[%1] %2 V/div") |
0efa7f0c | 309 | .arg(format_value_si(value_at_hover_pos_, prefix, 3, "V", false)) |
0cbadf1c SA |
310 | .arg(resolution_); |
311 | } else | |
312 | infotext = QString("%1 V/div").arg(resolution_); | |
03cc651d | 313 | |
641574bc | 314 | p.setPen(base_->color()); |
b8c4a95b | 315 | p.setFont(QApplication::font()); |
03cc651d | 316 | |
b8c4a95b SA |
317 | const QRectF bounding_rect = QRectF(pp.left(), |
318 | y + v_extents().first, | |
319 | pp.width() - InfoTextMarginRight, | |
320 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
03cc651d | 321 | |
b8c4a95b SA |
322 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); |
323 | } | |
1931b5f9 SA |
324 | |
325 | if (show_hover_marker_) | |
326 | paint_hover_marker(p); | |
03cc651d SA |
327 | } |
328 | ||
37b9fed4 SA |
329 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) |
330 | { | |
f0b99257 | 331 | bool was_antialiased = p.testRenderHint(QPainter::Antialiasing); |
46a0cadc SA |
332 | p.setRenderHint(QPainter::Antialiasing, false); |
333 | ||
459db2c5 SA |
334 | if (pos_vdivs_ > 0) { |
335 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
336 | for (int i = 1; i <= pos_vdivs_; i++) { | |
337 | const float dy = i * div_height_; | |
338 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
339 | } | |
8ad61f40 | 340 | } |
459db2c5 | 341 | |
3b2ead4f | 342 | if ((pos_vdivs_ > 0) && show_analog_minor_grid_) { |
459db2c5 SA |
343 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
344 | for (int i = 0; i < pos_vdivs_; i++) { | |
345 | const float dy = i * div_height_; | |
346 | const float dy25 = dy + (0.25 * div_height_); | |
347 | const float dy50 = dy + (0.50 * div_height_); | |
348 | const float dy75 = dy + (0.75 * div_height_); | |
349 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
350 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
351 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
352 | } | |
37b9fed4 SA |
353 | } |
354 | ||
459db2c5 SA |
355 | if (neg_vdivs_ > 0) { |
356 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
357 | for (int i = 1; i <= neg_vdivs_; i++) { | |
358 | const float dy = i * div_height_; | |
359 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
360 | } | |
8ad61f40 | 361 | } |
459db2c5 | 362 | |
3b2ead4f | 363 | if ((pos_vdivs_ > 0) && show_analog_minor_grid_) { |
459db2c5 SA |
364 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
365 | for (int i = 0; i < neg_vdivs_; i++) { | |
366 | const float dy = i * div_height_; | |
367 | const float dy25 = dy + (0.25 * div_height_); | |
368 | const float dy50 = dy + (0.50 * div_height_); | |
369 | const float dy75 = dy + (0.75 * div_height_); | |
370 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
371 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
372 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
373 | } | |
37b9fed4 | 374 | } |
46a0cadc | 375 | |
f0b99257 | 376 | p.setRenderHint(QPainter::Antialiasing, was_antialiased); |
37b9fed4 SA |
377 | } |
378 | ||
7c68ddae | 379 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 380 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
381 | int y, int left, const int64_t start, const int64_t end, |
382 | const double pixels_offset, const double samples_per_pixel) | |
383 | { | |
fdfd5b3e SA |
384 | if (end <= start) |
385 | return; | |
386 | ||
d37ff80d SA |
387 | bool paint_thr_dots = |
388 | (base_->get_conversion_type() != data::SignalBase::NoConversion) && | |
389 | (conversion_threshold_disp_mode_ == GlobalSettings::ConvThrDispMode_Dots); | |
390 | ||
391 | vector<double> thresholds; | |
392 | if (paint_thr_dots) | |
393 | thresholds = base_->get_conversion_thresholds(); | |
394 | ||
fdfd5b3e SA |
395 | // Calculate and paint the sampling points if enabled and useful |
396 | GlobalSettings settings; | |
397 | const bool show_sampling_points = | |
3b2ead4f | 398 | (show_sampling_points_ || paint_thr_dots) && (samples_per_pixel < 0.25); |
fdfd5b3e | 399 | |
641574bc | 400 | p.setPen(base_->color()); |
7c68ddae | 401 | |
f8a8811b | 402 | const int64_t points_count = end - start + 1; |
76ce6c7a UH |
403 | |
404 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
405 | QPointF *point = points; |
406 | ||
d37ff80d | 407 | vector<QRectF> sampling_points[3]; |
8de1e1b2 | 408 | |
fdfd5b3e SA |
409 | int64_t sample_count = min(points_count, TracePaintBlockSize); |
410 | int64_t block_sample = 0; | |
b82243f7 SA |
411 | float *sample_block = new float[TracePaintBlockSize]; |
412 | segment->get_samples(start, start + sample_count, sample_block); | |
26a883ed | 413 | |
0cbadf1c SA |
414 | if (show_hover_marker_) |
415 | reset_pixel_values(); | |
416 | ||
8de1e1b2 | 417 | const int w = 2; |
f8a8811b | 418 | for (int64_t sample = start; sample <= end; sample++, block_sample++) { |
fdfd5b3e | 419 | |
0cbadf1c | 420 | // Fetch next block of samples if we finished the current one |
fdfd5b3e SA |
421 | if (block_sample == TracePaintBlockSize) { |
422 | block_sample = 0; | |
fdfd5b3e | 423 | sample_count = min(points_count - sample, TracePaintBlockSize); |
b82243f7 | 424 | segment->get_samples(sample, sample + sample_count, sample_block); |
fdfd5b3e SA |
425 | } |
426 | ||
0cbadf1c SA |
427 | const float abs_x = sample / samples_per_pixel - pixels_offset; |
428 | const float x = left + abs_x; | |
26a883ed | 429 | |
fdfd5b3e | 430 | *point++ = QPointF(x, y - sample_block[block_sample] * scale_); |
8de1e1b2 | 431 | |
0cbadf1c SA |
432 | // Generate the pixel<->value lookup table for the mouse hover |
433 | if (show_hover_marker_) | |
434 | process_next_sample_value(abs_x, sample_block[block_sample]); | |
435 | ||
436 | // Create the sampling points if needed | |
d37ff80d SA |
437 | if (show_sampling_points) { |
438 | int idx = 0; // Neutral | |
439 | ||
440 | if (paint_thr_dots) { | |
441 | if (thresholds.size() == 1) | |
442 | idx = (sample_block[block_sample] >= thresholds[0]) ? 2 : 1; | |
443 | else if (thresholds.size() == 2) { | |
444 | if (sample_block[block_sample] > thresholds[1]) | |
445 | idx = 2; // High | |
446 | else if (sample_block[block_sample] < thresholds[0]) | |
447 | idx = 1; // Low | |
448 | } | |
449 | } | |
450 | ||
9a0e1305 | 451 | sampling_points[idx].emplace_back(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); |
d37ff80d | 452 | } |
a8acb46e | 453 | } |
fdfd5b3e | 454 | delete[] sample_block; |
a8acb46e | 455 | |
8a07bc24 RG |
456 | // QPainter::drawPolyline() is slow, let's paint the lines ourselves |
457 | for (int64_t i = 1; i < points_count; i++) | |
458 | p.drawLine(points[i - 1], points[i]); | |
a8acb46e | 459 | |
fdfd5b3e | 460 | if (show_sampling_points) { |
d37ff80d | 461 | if (paint_thr_dots) { |
641574bc | 462 | p.setPen(SamplingPointColorNe); |
d37ff80d | 463 | p.drawRects(sampling_points[0].data(), sampling_points[0].size()); |
641574bc | 464 | p.setPen(SamplingPointColorLo); |
d37ff80d | 465 | p.drawRects(sampling_points[1].data(), sampling_points[1].size()); |
641574bc | 466 | p.setPen(SamplingPointColorHi); |
d37ff80d SA |
467 | p.drawRects(sampling_points[2].data(), sampling_points[2].size()); |
468 | } else { | |
641574bc | 469 | p.setPen(SamplingPointColor); |
d37ff80d SA |
470 | p.drawRects(sampling_points[0].data(), sampling_points[0].size()); |
471 | } | |
8de1e1b2 UH |
472 | } |
473 | ||
a8acb46e | 474 | delete[] points; |
aba1dd16 JH |
475 | } |
476 | ||
7c68ddae | 477 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 478 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
479 | int y, int left, const int64_t start, const int64_t end, |
480 | const double pixels_offset, const double samples_per_pixel) | |
481 | { | |
f3d66e52 | 482 | using pv::data::AnalogSegment; |
7c68ddae | 483 | |
0cbadf1c SA |
484 | // Note: Envelope painting currently doesn't generate a pixel<->value lookup table |
485 | if (show_hover_marker_) | |
486 | reset_pixel_values(); | |
487 | ||
f3d66e52 JH |
488 | AnalogSegment::EnvelopeSection e; |
489 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
490 | |
491 | if (e.length < 2) | |
492 | return; | |
493 | ||
819f4c25 | 494 | p.setPen(QPen(Qt::NoPen)); |
641574bc | 495 | p.setBrush(base_->color()); |
7c68ddae JH |
496 | |
497 | QRectF *const rects = new QRectF[e.length]; | |
498 | QRectF *rect = rects; | |
499 | ||
c063290a | 500 | for (uint64_t sample = 0; sample < e.length - 1; sample++) { |
7c68ddae JH |
501 | const float x = ((e.scale * sample + e.start) / |
502 | samples_per_pixel - pixels_offset) + left; | |
0cbadf1c SA |
503 | |
504 | const AnalogSegment::EnvelopeSample *const s = e.samples + sample; | |
7c68ddae JH |
505 | |
506 | // We overlap this sample with the next so that vertical | |
507 | // gaps do not appear during steep rising or falling edges | |
c063290a UH |
508 | const float b = y - max(s->max, (s + 1)->min) * scale_; |
509 | const float t = y - min(s->min, (s + 1)->max) * scale_; | |
7c68ddae JH |
510 | |
511 | float h = b - t; | |
f3290553 | 512 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 513 | h = 1.0f; |
f3290553 | 514 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
515 | h = -1.0f; |
516 | ||
517 | *rect++ = QRectF(x, t, 1.0f, h); | |
518 | } | |
519 | ||
520 | p.drawRects(rects, e.length); | |
521 | ||
522 | delete[] rects; | |
523 | delete[] e.samples; | |
524 | } | |
525 | ||
60938e04 | 526 | void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp) |
a8fd2759 SA |
527 | { |
528 | QLineF *line; | |
529 | ||
530 | vector< pair<int64_t, bool> > edges; | |
531 | ||
532 | assert(base_); | |
533 | ||
534 | const int y = get_visual_y(); | |
535 | ||
6c0df7c4 | 536 | if (!base_->enabled() || !base_->logic_data()) |
a8fd2759 SA |
537 | return; |
538 | ||
539 | const int signal_margin = | |
540 | QFontMetrics(QApplication::font()).height() / 2; | |
541 | ||
542 | const int ph = min(pos_vdivs_, 1) * div_height_; | |
543 | const int nh = min(neg_vdivs_, 1) * div_height_; | |
544 | const float high_offset = y - ph + signal_margin + 0.5f; | |
545 | const float low_offset = y + nh - signal_margin - 0.5f; | |
4521022b | 546 | const float signal_height = low_offset - high_offset; |
a8fd2759 | 547 | |
7daebd05 | 548 | shared_ptr<pv::data::LogicSegment> segment = get_logic_segment_to_paint(); |
4bd0ecb8 | 549 | if (!segment || (segment->get_sample_count() == 0)) |
a8fd2759 SA |
550 | return; |
551 | ||
a8fd2759 SA |
552 | double samplerate = segment->samplerate(); |
553 | ||
554 | // Show sample rate as 1Hz when it is unknown | |
555 | if (samplerate == 0.0) | |
556 | samplerate = 1.0; | |
557 | ||
558 | const double pixels_offset = pp.pixels_offset(); | |
559 | const pv::util::Timestamp& start_time = segment->start_time(); | |
20df1a39 | 560 | const int64_t last_sample = (int64_t)segment->get_sample_count() - 1; |
a8fd2759 | 561 | const double samples_per_pixel = samplerate * pp.scale(); |
124be547 | 562 | const double pixels_per_sample = 1 / samples_per_pixel; |
a8fd2759 SA |
563 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); |
564 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
565 | ||
566 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
567 | (int64_t)0), last_sample); | |
568 | const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(), | |
569 | (int64_t)0), last_sample); | |
570 | ||
571 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
572 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
573 | assert(edges.size() >= 2); | |
574 | ||
4521022b SA |
575 | const float first_sample_x = |
576 | pp.left() + (edges.front().first / samples_per_pixel - pixels_offset); | |
577 | const float last_sample_x = | |
578 | pp.left() + (edges.back().first / samples_per_pixel - pixels_offset); | |
579 | ||
124be547 | 580 | // Check whether we need to paint the sampling points |
3b2ead4f | 581 | const bool show_sampling_points = show_sampling_points_ && (samples_per_pixel < 0.25); |
124be547 | 582 | vector<QRectF> sampling_points; |
4521022b | 583 | float sampling_point_x = first_sample_x; |
124be547 SA |
584 | int64_t sampling_point_sample = start_sample; |
585 | const int w = 2; | |
586 | ||
4521022b | 587 | if (show_sampling_points) |
124be547 | 588 | sampling_points.reserve(end_sample - start_sample + 1); |
4521022b | 589 | |
4521022b | 590 | vector<QRectF> high_rects; |
099d2317 SA |
591 | float rising_edge_x; |
592 | bool rising_edge_seen = false; | |
124be547 | 593 | |
a8fd2759 SA |
594 | // Paint the edges |
595 | const unsigned int edge_count = edges.size() - 2; | |
596 | QLineF *const edge_lines = new QLineF[edge_count]; | |
597 | line = edge_lines; | |
598 | ||
099d2317 SA |
599 | if (edges.front().second) { |
600 | // Beginning of trace is high | |
601 | rising_edge_x = first_sample_x; | |
602 | rising_edge_seen = true; | |
603 | } | |
604 | ||
a8fd2759 | 605 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { |
099d2317 SA |
606 | // Note: multiple edges occupying a single pixel are represented by an edge |
607 | // with undefined logic level. This means that only the first falling edge | |
608 | // after a rising edge corresponds to said rising edge - and vice versa. If | |
609 | // more edges with the same logic level follow, they denote multiple edges. | |
610 | ||
611 | const float x = pp.left() + ((*i).first / samples_per_pixel - pixels_offset); | |
a8fd2759 | 612 | *line++ = QLineF(x, high_offset, x, low_offset); |
124be547 | 613 | |
3b2ead4f | 614 | if (fill_high_areas_) { |
099d2317 | 615 | // Any edge terminates a high area |
bae42c1d SA |
616 | if (rising_edge_seen) { |
617 | const int width = x - rising_edge_x; | |
618 | if (width > 0) | |
619 | high_rects.emplace_back(rising_edge_x, high_offset, | |
620 | width, signal_height); | |
099d2317 SA |
621 | rising_edge_seen = false; |
622 | } | |
623 | ||
624 | // Only rising edges start high areas | |
625 | if ((*i).second) { | |
626 | rising_edge_x = x; | |
627 | rising_edge_seen = true; | |
628 | } | |
4521022b SA |
629 | } |
630 | ||
124be547 SA |
631 | if (show_sampling_points) |
632 | while (sampling_point_sample < (*i).first) { | |
633 | const float y = (*i).second ? low_offset : high_offset; | |
634 | sampling_points.emplace_back( | |
635 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
636 | sampling_point_sample++; | |
637 | sampling_point_x += pixels_per_sample; | |
638 | }; | |
a8fd2759 SA |
639 | } |
640 | ||
124be547 SA |
641 | // Calculate the sample points from the last edge to the end of the trace |
642 | if (show_sampling_points) | |
643 | while ((uint64_t)sampling_point_sample <= end_sample) { | |
644 | // Signal changed after the last edge, so the level is inverted | |
645 | const float y = (edges.cend() - 1)->second ? high_offset : low_offset; | |
646 | sampling_points.emplace_back( | |
647 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
648 | sampling_point_sample++; | |
649 | sampling_point_x += pixels_per_sample; | |
650 | }; | |
651 | ||
3b2ead4f | 652 | if (fill_high_areas_) { |
099d2317 SA |
653 | // Add last high rectangle if the signal is still high at the end of the trace |
654 | if (rising_edge_seen && (edges.cend() - 1)->second) | |
655 | high_rects.emplace_back(rising_edge_x, high_offset, | |
656 | last_sample_x - rising_edge_x, signal_height); | |
4521022b | 657 | |
3b2ead4f SA |
658 | p.setPen(high_fill_color_); |
659 | p.setBrush(high_fill_color_); | |
4521022b SA |
660 | p.drawRects((const QRectF*)(high_rects.data()), high_rects.size()); |
661 | } | |
662 | ||
641574bc | 663 | p.setPen(LogicSignal::EdgeColor); |
a8fd2759 SA |
664 | p.drawLines(edge_lines, edge_count); |
665 | delete[] edge_lines; | |
666 | ||
667 | // Paint the caps | |
668 | const unsigned int max_cap_line_count = edges.size(); | |
669 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
670 | ||
641574bc | 671 | p.setPen(LogicSignal::HighColor); |
a8fd2759 SA |
672 | paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel, |
673 | pixels_offset, pp.left(), high_offset); | |
641574bc | 674 | p.setPen(LogicSignal::LowColor); |
a8fd2759 SA |
675 | paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel, |
676 | pixels_offset, pp.left(), low_offset); | |
677 | ||
678 | delete[] cap_lines; | |
679 | ||
a8fd2759 | 680 | // Paint the sampling points |
124be547 | 681 | if (show_sampling_points) { |
641574bc | 682 | p.setPen(SamplingPointColor); |
124be547 | 683 | p.drawRects(sampling_points.data(), sampling_points.size()); |
a8fd2759 | 684 | } |
a8fd2759 SA |
685 | } |
686 | ||
687 | void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines, | |
688 | vector< pair<int64_t, bool> > &edges, bool level, | |
689 | double samples_per_pixel, double pixels_offset, float x_offset, | |
690 | float y_offset) | |
691 | { | |
692 | QLineF *line = lines; | |
693 | ||
694 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
695 | if ((*i).second == level) { | |
696 | *line++ = QLineF( | |
697 | ((*i).first / samples_per_pixel - | |
698 | pixels_offset) + x_offset, y_offset, | |
699 | ((*(i+1)).first / samples_per_pixel - | |
700 | pixels_offset) + x_offset, y_offset); | |
701 | } | |
702 | ||
703 | p.drawLines(lines, line - lines); | |
704 | } | |
705 | ||
7daebd05 SA |
706 | shared_ptr<pv::data::AnalogSegment> AnalogSignal::get_analog_segment_to_paint() const |
707 | { | |
708 | shared_ptr<pv::data::AnalogSegment> segment; | |
709 | ||
710 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
711 | base_->analog_data()->analog_segments(); | |
712 | ||
713 | if (!segments.empty()) { | |
714 | if (segment_display_mode_ == ShowLastSegmentOnly) | |
715 | segment = segments.back(); | |
716 | ||
558ad6ce SA |
717 | if ((segment_display_mode_ == ShowSingleSegmentOnly) || |
718 | (segment_display_mode_ == ShowLastCompleteSegmentOnly)) { | |
7daebd05 SA |
719 | try { |
720 | segment = segments.at(current_segment_); | |
30677c13 | 721 | } catch (out_of_range&) { |
341d9a79 | 722 | qDebug() << "Current analog segment out of range for signal" << base_->name() << ":" << current_segment_; |
7daebd05 SA |
723 | } |
724 | } | |
725 | } | |
726 | ||
727 | return segment; | |
728 | } | |
729 | ||
730 | shared_ptr<pv::data::LogicSegment> AnalogSignal::get_logic_segment_to_paint() const | |
731 | { | |
732 | shared_ptr<pv::data::LogicSegment> segment; | |
733 | ||
734 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
735 | base_->logic_data()->logic_segments(); | |
736 | ||
737 | if (!segments.empty()) { | |
738 | if (segment_display_mode_ == ShowLastSegmentOnly) | |
739 | segment = segments.back(); | |
740 | ||
558ad6ce SA |
741 | if ((segment_display_mode_ == ShowSingleSegmentOnly) || |
742 | (segment_display_mode_ == ShowLastCompleteSegmentOnly)) { | |
7daebd05 SA |
743 | try { |
744 | segment = segments.at(current_segment_); | |
30677c13 | 745 | } catch (out_of_range&) { |
341d9a79 | 746 | qDebug() << "Current logic segment out of range for signal" << base_->name() << ":" << current_segment_; |
7daebd05 SA |
747 | } |
748 | } | |
749 | } | |
750 | ||
751 | return segment; | |
752 | } | |
753 | ||
368a37c2 | 754 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
755 | { |
756 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 757 | |
6f925ba9 UH |
758 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); |
759 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
8a2fafcc | 760 | countof(seq)); |
834a4f1b | 761 | |
368a37c2 SA |
762 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
763 | } | |
764 | ||
765 | void AnalogSignal::update_scale() | |
766 | { | |
767 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 768 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
769 | } |
770 | ||
52c900ac SA |
771 | void AnalogSignal::update_conversion_widgets() |
772 | { | |
2b6e7a72 | 773 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
774 | |
775 | // Enable or disable widgets depending on conversion state | |
2b6e7a72 SA |
776 | conv_threshold_cb_->setEnabled(conv_type != SignalBase::NoConversion); |
777 | display_type_cb_->setEnabled(conv_type != SignalBase::NoConversion); | |
52c900ac SA |
778 | |
779 | conv_threshold_cb_->clear(); | |
780 | ||
781 | vector < pair<QString, int> > presets = base_->get_conversion_presets(); | |
782 | ||
783 | // Prevent the combo box from firing the "edit text changed" signal | |
784 | // as that would involuntarily select the first entry | |
785 | conv_threshold_cb_->blockSignals(true); | |
786 | ||
787 | // Set available options depending on chosen conversion | |
f4ab4b5c | 788 | for (pair<QString, int>& preset : presets) |
52c900ac SA |
789 | conv_threshold_cb_->addItem(preset.first, preset.second); |
790 | ||
791 | map < QString, QVariant > options = base_->get_conversion_options(); | |
792 | ||
b9cdbe03 | 793 | if (conv_type == SignalBase::A2LConversionByThreshold) { |
52c900ac | 794 | const vector<double> thresholds = base_->get_conversion_thresholds( |
b9cdbe03 | 795 | SignalBase::A2LConversionByThreshold, true); |
52c900ac SA |
796 | conv_threshold_cb_->addItem( |
797 | QString("%1V").arg(QString::number(thresholds[0], 'f', 1)), -1); | |
798 | } | |
799 | ||
2b6e7a72 | 800 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger) { |
52c900ac | 801 | const vector<double> thresholds = base_->get_conversion_thresholds( |
2b6e7a72 | 802 | SignalBase::A2LConversionBySchmittTrigger, true); |
52c900ac SA |
803 | conv_threshold_cb_->addItem(QString("%1V/%2V").arg( |
804 | QString::number(thresholds[0], 'f', 1), | |
805 | QString::number(thresholds[1], 'f', 1)), -1); | |
806 | } | |
807 | ||
808 | int preset_id = base_->get_current_conversion_preset(); | |
809 | conv_threshold_cb_->setCurrentIndex( | |
810 | conv_threshold_cb_->findData(preset_id)); | |
811 | ||
812 | conv_threshold_cb_->blockSignals(false); | |
813 | } | |
814 | ||
eeceee99 SA |
815 | vector<data::LogicSegment::EdgePair> AnalogSignal::get_nearest_level_changes(uint64_t sample_pos) |
816 | { | |
817 | assert(base_); | |
818 | assert(owner_); | |
819 | ||
820 | // Return if there's no logic data or we're showing only the analog trace | |
821 | if (!base_->logic_data() || (display_type_ == DisplayAnalog)) | |
822 | return vector<data::LogicSegment::EdgePair>(); | |
823 | ||
824 | if (sample_pos == 0) | |
825 | return vector<LogicSegment::EdgePair>(); | |
826 | ||
827 | shared_ptr<LogicSegment> segment = get_logic_segment_to_paint(); | |
828 | if (!segment || (segment->get_sample_count() == 0)) | |
829 | return vector<LogicSegment::EdgePair>(); | |
830 | ||
831 | const View *view = owner_->view(); | |
832 | assert(view); | |
833 | const double samples_per_pixel = base_->get_samplerate() * view->scale(); | |
834 | ||
835 | vector<LogicSegment::EdgePair> edges; | |
836 | ||
837 | segment->get_surrounding_edges(edges, sample_pos, | |
838 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
839 | ||
840 | if (edges.empty()) | |
841 | return vector<LogicSegment::EdgePair>(); | |
842 | ||
843 | return edges; | |
844 | } | |
845 | ||
430b94aa | 846 | void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) |
73e377fe SA |
847 | { |
848 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
849 | base_->analog_data()->analog_segments(); | |
850 | ||
851 | if (segments.empty()) | |
852 | return; | |
853 | ||
73e377fe SA |
854 | double min = 0, max = 0; |
855 | ||
f4ab4b5c | 856 | for (const shared_ptr<pv::data::AnalogSegment>& segment : segments) { |
6f925ba9 | 857 | pair<double, double> mm = segment->get_min_max(); |
73e377fe SA |
858 | min = std::min(min, mm.first); |
859 | max = std::max(max, mm.second); | |
860 | } | |
861 | ||
0822e33a | 862 | if ((min == signal_min_) && (max == signal_max_) && !force_update) |
73e377fe SA |
863 | return; |
864 | ||
0822e33a SA |
865 | signal_min_ = min; |
866 | signal_max_ = max; | |
73e377fe | 867 | |
430b94aa SA |
868 | // If we're allowed to alter the div assignment... |
869 | if (!keep_divs) { | |
870 | // Use all divs for the positive range if there are no negative values | |
871 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
872 | pos_vdivs_ += neg_vdivs_; | |
873 | neg_vdivs_ = 0; | |
874 | } | |
73e377fe | 875 | |
430b94aa SA |
876 | // Split up the divs if there are negative values but no negative divs |
877 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
878 | neg_vdivs_ = pos_vdivs_ / 2; | |
879 | pos_vdivs_ -= neg_vdivs_; | |
880 | } | |
681b6d5a SA |
881 | } |
882 | ||
430b94aa SA |
883 | // If there is still no positive div when we need it, add one |
884 | // (this can happen when pos_vdivs==neg_vdivs==0) | |
17c7f31c | 885 | if ((max > 0) && (pos_vdivs_ == 0)) { |
430b94aa | 886 | pos_vdivs_ = 1; |
17c7f31c SA |
887 | owner_->extents_changed(false, true); |
888 | } | |
430b94aa SA |
889 | |
890 | // If there is still no negative div when we need it, add one | |
891 | // (this can happen when pos_vdivs was 0 or 1 when trying to split) | |
17c7f31c | 892 | if ((min < 0) && (neg_vdivs_ == 0)) { |
430b94aa | 893 | neg_vdivs_ = 1; |
17c7f31c SA |
894 | owner_->extents_changed(false, true); |
895 | } | |
430b94aa | 896 | |
73e377fe SA |
897 | double min_value_per_div; |
898 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
899 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
900 | else if (pos_vdivs_ > 0) | |
901 | min_value_per_div = max / pos_vdivs_; | |
902 | else | |
903 | min_value_per_div = -min / neg_vdivs_; | |
904 | ||
905 | // Find first scale value that is bigger than the value we need | |
906 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
907 | if (get_resolution(i) > min_value_per_div) { | |
908 | scale_index_ = i; | |
909 | break; | |
910 | } | |
911 | ||
912 | update_scale(); | |
913 | } | |
914 | ||
0cbadf1c SA |
915 | void AnalogSignal::reset_pixel_values() |
916 | { | |
917 | value_at_pixel_pos_.clear(); | |
918 | current_pixel_pos_ = -1; | |
919 | prev_value_at_pixel_ = std::numeric_limits<float>::quiet_NaN(); | |
920 | } | |
921 | ||
922 | void AnalogSignal::process_next_sample_value(float x, float value) | |
923 | { | |
924 | // Note: NAN is used to indicate the non-existance of a value at this pixel | |
925 | ||
6f054e92 | 926 | if (std::isnan(prev_value_at_pixel_)) { |
0cbadf1c SA |
927 | if (x < 0) { |
928 | min_value_at_pixel_ = value; | |
929 | max_value_at_pixel_ = value; | |
930 | prev_value_at_pixel_ = value; | |
931 | current_pixel_pos_ = x; | |
932 | } else | |
933 | prev_value_at_pixel_ = std::numeric_limits<float>::quiet_NaN(); | |
934 | } | |
935 | ||
936 | const int pixel_pos = (int)(x + 0.5); | |
937 | ||
938 | if (pixel_pos > current_pixel_pos_) { | |
939 | if (pixel_pos - current_pixel_pos_ == 1) { | |
6f054e92 | 940 | if (std::isnan(prev_value_at_pixel_)) { |
0cbadf1c SA |
941 | value_at_pixel_pos_.push_back(prev_value_at_pixel_); |
942 | } else { | |
943 | // Average the min/max range to create one value for the previous pixel | |
944 | const float avg = (min_value_at_pixel_ + max_value_at_pixel_) / 2; | |
945 | value_at_pixel_pos_.push_back(avg); | |
946 | } | |
947 | } else { | |
948 | // Interpolate values to create values for the intermediate pixels | |
949 | const float start_value = prev_value_at_pixel_; | |
950 | const float end_value = value; | |
951 | const int steps = fabs(pixel_pos - current_pixel_pos_); | |
952 | const double gradient = (end_value - start_value) / steps; | |
953 | for (int i = 0; i < steps; i++) { | |
954 | if (current_pixel_pos_ + i < 0) | |
955 | continue; | |
956 | value_at_pixel_pos_.push_back(start_value + i * gradient); | |
957 | } | |
958 | } | |
959 | ||
960 | min_value_at_pixel_ = value; | |
961 | max_value_at_pixel_ = value; | |
962 | prev_value_at_pixel_ = value; | |
963 | current_pixel_pos_ = pixel_pos; | |
964 | } else { | |
965 | // Another sample for the same pixel | |
966 | if (value < min_value_at_pixel_) | |
967 | min_value_at_pixel_ = value; | |
968 | if (value > max_value_at_pixel_) | |
969 | max_value_at_pixel_ = value; | |
970 | } | |
971 | } | |
972 | ||
4cffac16 SA |
973 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
974 | { | |
975 | // Add the standard options | |
976 | Signal::populate_popup_form(parent, form); | |
977 | ||
cbb50547 | 978 | // Add div-related settings |
430b94aa SA |
979 | pvdiv_sb_ = new QSpinBox(parent); |
980 | pvdiv_sb_->setRange(0, MaximumVDivs); | |
981 | pvdiv_sb_->setValue(pos_vdivs_); | |
982 | connect(pvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 983 | this, SLOT(on_pos_vdivs_changed(int))); |
4640a84e | 984 | form->addRow(tr("Number of pos vertical divs"), pvdiv_sb_); |
459db2c5 | 985 | |
430b94aa SA |
986 | nvdiv_sb_ = new QSpinBox(parent); |
987 | nvdiv_sb_->setRange(0, MaximumVDivs); | |
988 | nvdiv_sb_->setValue(neg_vdivs_); | |
989 | connect(nvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 990 | this, SLOT(on_neg_vdivs_changed(int))); |
4640a84e | 991 | form->addRow(tr("Number of neg vertical divs"), nvdiv_sb_); |
368a37c2 | 992 | |
cbb50547 SA |
993 | div_height_sb_ = new QSpinBox(parent); |
994 | div_height_sb_->setRange(20, 1000); | |
995 | div_height_sb_->setSingleStep(5); | |
996 | div_height_sb_->setSuffix(tr(" pixels")); | |
997 | div_height_sb_->setValue(div_height_); | |
998 | connect(div_height_sb_, SIGNAL(valueChanged(int)), | |
999 | this, SLOT(on_div_height_changed(int))); | |
4640a84e | 1000 | form->addRow(tr("Div height"), div_height_sb_); |
cbb50547 | 1001 | |
368a37c2 SA |
1002 | // Add the vertical resolution |
1003 | resolution_cb_ = new QComboBox(parent); | |
1004 | ||
1005 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
1006 | const QString label = QString("%1").arg(get_resolution(i)); | |
1007 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
1008 | } | |
1009 | ||
a970015f | 1010 | int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); |
368a37c2 SA |
1011 | resolution_cb_->setCurrentIndex(cur_idx); |
1012 | ||
1013 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
1014 | this, SLOT(on_resolution_changed(int))); | |
1015 | ||
1016 | QGridLayout *const vdiv_layout = new QGridLayout; | |
1017 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
1018 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
1019 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
1020 | ||
4640a84e | 1021 | form->addRow(tr("Vertical resolution"), vdiv_layout); |
368a37c2 | 1022 | |
73e377fe SA |
1023 | // Add the autoranging checkbox |
1024 | QCheckBox* autoranging_cb = new QCheckBox(); | |
1025 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
1026 | ||
1027 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
1028 | this, SLOT(on_autoranging_changed(int))); | |
1029 | ||
4640a84e | 1030 | form->addRow(tr("Autoranging"), autoranging_cb); |
73e377fe | 1031 | |
a970015f SA |
1032 | // Add the conversion type dropdown |
1033 | conversion_cb_ = new QComboBox(); | |
1034 | ||
2b6e7a72 SA |
1035 | conversion_cb_->addItem(tr("none"), |
1036 | SignalBase::NoConversion); | |
1037 | conversion_cb_->addItem(tr("to logic via threshold"), | |
b9cdbe03 | 1038 | SignalBase::A2LConversionByThreshold); |
2b6e7a72 SA |
1039 | conversion_cb_->addItem(tr("to logic via schmitt-trigger"), |
1040 | SignalBase::A2LConversionBySchmittTrigger); | |
a970015f | 1041 | |
06b6ce26 | 1042 | cur_idx = conversion_cb_->findData(QVariant(base_->get_conversion_type())); |
a970015f SA |
1043 | conversion_cb_->setCurrentIndex(cur_idx); |
1044 | ||
4640a84e | 1045 | form->addRow(tr("Conversion"), conversion_cb_); |
a970015f SA |
1046 | |
1047 | connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), | |
1048 | this, SLOT(on_conversion_changed(int))); | |
1049 | ||
52c900ac SA |
1050 | // Add the conversion threshold settings |
1051 | conv_threshold_cb_ = new QComboBox(); | |
1052 | conv_threshold_cb_->setEditable(true); | |
1053 | ||
4640a84e | 1054 | form->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_); |
52c900ac SA |
1055 | |
1056 | connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)), | |
1057 | this, SLOT(on_conv_threshold_changed(int))); | |
bc4b9ccf | 1058 | connect(conv_threshold_cb_, SIGNAL(editTextChanged(const QString&)), |
52c900ac SA |
1059 | this, SLOT(on_conv_threshold_changed())); // index will be -1 |
1060 | ||
a970015f SA |
1061 | // Add the display type dropdown |
1062 | display_type_cb_ = new QComboBox(); | |
1063 | ||
c6b017fb SA |
1064 | display_type_cb_->addItem(tr("analog"), DisplayAnalog); |
1065 | display_type_cb_->addItem(tr("converted"), DisplayConverted); | |
1066 | display_type_cb_->addItem(tr("analog+converted"), DisplayBoth); | |
a970015f SA |
1067 | |
1068 | cur_idx = display_type_cb_->findData(QVariant(display_type_)); | |
1069 | display_type_cb_->setCurrentIndex(cur_idx); | |
1070 | ||
4640a84e | 1071 | form->addRow(tr("Show traces for"), display_type_cb_); |
a970015f | 1072 | |
b8c4a95b SA |
1073 | connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), |
1074 | this, SLOT(on_display_type_changed(int))); | |
1075 | ||
52c900ac SA |
1076 | // Update the conversion widget contents and states |
1077 | update_conversion_widgets(); | |
4cffac16 SA |
1078 | } |
1079 | ||
0cbadf1c SA |
1080 | void AnalogSignal::hover_point_changed(const QPoint &hp) |
1081 | { | |
1082 | Signal::hover_point_changed(hp); | |
1083 | ||
1084 | // Note: Even though the view area begins at 0, we exclude 0 because | |
1085 | // that's also the value given when the cursor is over the header to the | |
1086 | // left of the trace paint area | |
1087 | if (hp.x() <= 0) { | |
1088 | value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN(); | |
1089 | } else { | |
c8a6db0e | 1090 | if ((size_t)hp.x() < value_at_pixel_pos_.size()) |
0cbadf1c | 1091 | value_at_hover_pos_ = value_at_pixel_pos_.at(hp.x()); |
c8a6db0e | 1092 | else |
0cbadf1c | 1093 | value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN(); |
0cbadf1c SA |
1094 | } |
1095 | } | |
1096 | ||
3b2ead4f SA |
1097 | void AnalogSignal::on_setting_changed(const QString &key, const QVariant &value) |
1098 | { | |
1099 | Signal::on_setting_changed(key, value); | |
1100 | ||
1101 | if (key == GlobalSettings::Key_View_ShowSamplingPoints) | |
1102 | show_sampling_points_ = value.toBool(); | |
1103 | ||
1104 | if (key == GlobalSettings::Key_View_FillSignalHighAreas) | |
1105 | fill_high_areas_ = value.toBool(); | |
1106 | ||
1107 | if (key == GlobalSettings::Key_View_FillSignalHighAreaColor) | |
1108 | high_fill_color_ = QColor::fromRgba(value.value<uint32_t>()); | |
1109 | ||
1110 | if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) | |
1111 | show_analog_minor_grid_ = value.toBool(); | |
1112 | ||
1113 | if (key == GlobalSettings::Key_View_ConversionThresholdDispMode) { | |
1114 | conversion_threshold_disp_mode_ = value.toInt(); | |
1115 | ||
1116 | if (owner_) | |
1117 | owner_->row_item_appearance_changed(false, true); | |
1118 | } | |
1119 | } | |
1120 | ||
c6d9cf65 | 1121 | void AnalogSignal::on_min_max_changed(float min, float max) |
85715407 | 1122 | { |
c6d9cf65 SA |
1123 | if (autoranging_) |
1124 | perform_autoranging(false, false); | |
0efa7f0c SA |
1125 | else { |
1126 | if (min < signal_min_) signal_min_ = min; | |
1127 | if (max > signal_max_) signal_max_ = max; | |
1128 | } | |
85715407 SA |
1129 | } |
1130 | ||
459db2c5 SA |
1131 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
1132 | { | |
430b94aa SA |
1133 | if (vdivs == pos_vdivs_) |
1134 | return; | |
1135 | ||
459db2c5 SA |
1136 | pos_vdivs_ = vdivs; |
1137 | ||
80067e49 SA |
1138 | // There has to be at least one div, positive or negative |
1139 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
1140 | pos_vdivs_ = 1; | |
1141 | if (pvdiv_sb_) | |
1142 | pvdiv_sb_->setValue(pos_vdivs_); | |
1143 | } | |
1144 | ||
430b94aa SA |
1145 | if (autoranging_) { |
1146 | perform_autoranging(true, true); | |
1147 | ||
1148 | // It could be that a positive or negative div was added, so update | |
1149 | if (pvdiv_sb_) { | |
1150 | pvdiv_sb_->setValue(pos_vdivs_); | |
1151 | nvdiv_sb_->setValue(neg_vdivs_); | |
1152 | } | |
1153 | } | |
73e377fe | 1154 | |
459db2c5 SA |
1155 | if (owner_) { |
1156 | // Call order is important, otherwise the lazy event handler won't work | |
1157 | owner_->extents_changed(false, true); | |
1158 | owner_->row_item_appearance_changed(false, true); | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 1163 | { |
430b94aa SA |
1164 | if (vdivs == neg_vdivs_) |
1165 | return; | |
1166 | ||
459db2c5 | 1167 | neg_vdivs_ = vdivs; |
4cffac16 | 1168 | |
80067e49 SA |
1169 | // There has to be at least one div, positive or negative |
1170 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
1171 | pos_vdivs_ = 1; | |
1172 | if (pvdiv_sb_) | |
1173 | pvdiv_sb_->setValue(pos_vdivs_); | |
1174 | } | |
1175 | ||
430b94aa SA |
1176 | if (autoranging_) { |
1177 | perform_autoranging(true, true); | |
1178 | ||
1179 | // It could be that a positive or negative div was added, so update | |
1180 | if (pvdiv_sb_) { | |
1181 | pvdiv_sb_->setValue(pos_vdivs_); | |
1182 | nvdiv_sb_->setValue(neg_vdivs_); | |
1183 | } | |
1184 | } | |
73e377fe | 1185 | |
75d0779e SA |
1186 | if (owner_) { |
1187 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 1188 | owner_->extents_changed(false, true); |
75d0779e SA |
1189 | owner_->row_item_appearance_changed(false, true); |
1190 | } | |
4cffac16 SA |
1191 | } |
1192 | ||
cbb50547 SA |
1193 | void AnalogSignal::on_div_height_changed(int height) |
1194 | { | |
1195 | div_height_ = height; | |
1196 | update_scale(); | |
1197 | ||
1198 | if (owner_) { | |
1199 | // Call order is important, otherwise the lazy event handler won't work | |
1200 | owner_->extents_changed(false, true); | |
1201 | owner_->row_item_appearance_changed(false, true); | |
1202 | } | |
1203 | } | |
1204 | ||
368a37c2 SA |
1205 | void AnalogSignal::on_resolution_changed(int index) |
1206 | { | |
1207 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
1208 | update_scale(); | |
1209 | ||
1210 | if (owner_) | |
1211 | owner_->row_item_appearance_changed(false, true); | |
1212 | } | |
4cffac16 | 1213 | |
73e377fe SA |
1214 | void AnalogSignal::on_autoranging_changed(int state) |
1215 | { | |
1216 | autoranging_ = (state == Qt::Checked); | |
1217 | ||
1218 | if (autoranging_) | |
430b94aa | 1219 | perform_autoranging(false, true); |
73e377fe | 1220 | |
85715407 SA |
1221 | if (owner_) { |
1222 | // Call order is important, otherwise the lazy event handler won't work | |
1223 | owner_->extents_changed(false, true); | |
73e377fe | 1224 | owner_->row_item_appearance_changed(false, true); |
85715407 | 1225 | } |
73e377fe SA |
1226 | } |
1227 | ||
a970015f SA |
1228 | void AnalogSignal::on_conversion_changed(int index) |
1229 | { | |
2b6e7a72 | 1230 | SignalBase::ConversionType old_conv_type = base_->get_conversion_type(); |
a8fd2759 | 1231 | |
2b6e7a72 SA |
1232 | SignalBase::ConversionType conv_type = |
1233 | (SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); | |
a8fd2759 | 1234 | |
06b6ce26 SA |
1235 | if (conv_type != old_conv_type) { |
1236 | base_->set_conversion_type(conv_type); | |
52c900ac | 1237 | update_conversion_widgets(); |
06b6ce26 SA |
1238 | |
1239 | if (owner_) | |
1240 | owner_->row_item_appearance_changed(false, true); | |
a8fd2759 | 1241 | } |
a970015f SA |
1242 | } |
1243 | ||
52c900ac SA |
1244 | void AnalogSignal::on_conv_threshold_changed(int index) |
1245 | { | |
2b6e7a72 | 1246 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
1247 | |
1248 | // Note: index is set to -1 if the text in the combo box matches none of | |
1249 | // the entries in the combo box | |
1250 | ||
1251 | if ((index == -1) && (conv_threshold_cb_->currentText().length() == 0)) | |
1252 | return; | |
1253 | ||
1254 | // The combo box entry with the custom value has user_data set to -1 | |
1255 | const int user_data = conv_threshold_cb_->findText( | |
1256 | conv_threshold_cb_->currentText()); | |
1257 | ||
1258 | const bool use_custom_thr = (index == -1) || (user_data == -1); | |
1259 | ||
b9cdbe03 | 1260 | if (conv_type == SignalBase::A2LConversionByThreshold && use_custom_thr) { |
52c900ac SA |
1261 | // Not one of the preset values, try to parse the combo box text |
1262 | // Note: Regex loosely based on | |
1263 | // https://txt2re.com/index-c++.php3?s=0.1V&1&-13 | |
1264 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1265 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1266 | QRegExp regex(re1 + re2); | |
1267 | ||
1268 | const QString text = conv_threshold_cb_->currentText(); | |
1269 | if (!regex.exactMatch(text)) | |
1270 | return; // String doesn't match the regex | |
1271 | ||
1272 | QStringList tokens = regex.capturedTexts(); | |
1273 | ||
1274 | // For now, we simply assume that the unit is volt without modifiers | |
1275 | const double thr = tokens.at(1).toDouble(); | |
1276 | ||
932bc246 SA |
1277 | // Only restart the conversion if the threshold was updated. |
1278 | // We're starting a delayed conversion because the user may still be | |
1279 | // typing and the UI would lag if we kept on restarting it immediately | |
52c900ac | 1280 | if (base_->set_conversion_option("threshold_value", thr)) |
932bc246 | 1281 | base_->start_conversion(true); |
52c900ac SA |
1282 | } |
1283 | ||
2b6e7a72 | 1284 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger && use_custom_thr) { |
52c900ac SA |
1285 | // Not one of the preset values, try to parse the combo box text |
1286 | // Note: Regex loosely based on | |
1287 | // https://txt2re.com/index-c++.php3?s=0.1V/0.2V&2&14&-22&3&15 | |
1288 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1289 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1290 | QString re3 = "\\/"; // Forward slash, not captured | |
1291 | QString re4 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1292 | QString re5 = "([a-zA-Z]*)"; // SI unit | |
1293 | QRegExp regex(re1 + re2 + re3 + re4 + re5); | |
1294 | ||
1295 | const QString text = conv_threshold_cb_->currentText(); | |
1296 | if (!regex.exactMatch(text)) | |
1297 | return; // String doesn't match the regex | |
1298 | ||
1299 | QStringList tokens = regex.capturedTexts(); | |
1300 | ||
1301 | // For now, we simply assume that the unit is volt without modifiers | |
1302 | const double low_thr = tokens.at(1).toDouble(); | |
1303 | const double high_thr = tokens.at(3).toDouble(); | |
1304 | ||
932bc246 SA |
1305 | // Only restart the conversion if one of the options was updated. |
1306 | // We're starting a delayed conversion because the user may still be | |
1307 | // typing and the UI would lag if we kept on restarting it immediately | |
52c900ac SA |
1308 | bool o1 = base_->set_conversion_option("threshold_value_low", low_thr); |
1309 | bool o2 = base_->set_conversion_option("threshold_value_high", high_thr); | |
1310 | if (o1 || o2) | |
932bc246 | 1311 | base_->start_conversion(true); // Start delayed conversion |
52c900ac SA |
1312 | } |
1313 | ||
f0f9c856 | 1314 | base_->set_conversion_preset((SignalBase::ConversionPreset)index); |
52c900ac | 1315 | |
932bc246 SA |
1316 | // Immediately start the conversion if we're not using custom values |
1317 | // (i.e. we're using one of the presets) | |
1318 | if (!use_custom_thr) | |
52c900ac SA |
1319 | base_->start_conversion(); |
1320 | } | |
1321 | ||
1322 | void AnalogSignal::on_delayed_conversion_starter() | |
1323 | { | |
1324 | base_->start_conversion(); | |
1325 | } | |
1326 | ||
b8c4a95b SA |
1327 | void AnalogSignal::on_display_type_changed(int index) |
1328 | { | |
1329 | display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); | |
1330 | ||
1331 | if (owner_) | |
1332 | owner_->row_item_appearance_changed(false, true); | |
1333 | } | |
1334 | ||
1573bf16 | 1335 | } // namespace trace |
f4e57597 | 1336 | } // namespace views |
aba1dd16 | 1337 | } // namespace pv |