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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> |
4cffac16 | 31 | #include <QFormLayout> |
368a37c2 SA |
32 | #include <QGridLayout> |
33 | #include <QLabel> | |
03cc651d | 34 | #include <QString> |
37b9fed4 | 35 | |
2acdb232 JH |
36 | #include "analogsignal.hpp" |
37 | #include "pv/data/analog.hpp" | |
f3d66e52 | 38 | #include "pv/data/analogsegment.hpp" |
a8fd2759 SA |
39 | #include "pv/data/logic.hpp" |
40 | #include "pv/data/logicsegment.hpp" | |
bf0edd2b | 41 | #include "pv/data/signalbase.hpp" |
8de1e1b2 | 42 | #include "pv/globalsettings.hpp" |
aca9aa83 UH |
43 | #include "pv/view/logicsignal.hpp" |
44 | #include "pv/view/view.hpp" | |
aba1dd16 | 45 | |
fe3a1c21 | 46 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 47 | |
6f925ba9 UH |
48 | using std::deque; |
49 | using std::div; | |
50 | using std::div_t; | |
819f4c25 | 51 | using std::max; |
a5d93c27 | 52 | using std::make_pair; |
819f4c25 | 53 | using std::min; |
6f925ba9 UH |
54 | using std::numeric_limits; |
55 | using std::pair; | |
f9abf97e | 56 | using std::shared_ptr; |
a8fd2759 | 57 | using std::vector; |
aba1dd16 JH |
58 | |
59 | namespace pv { | |
f4e57597 SA |
60 | namespace views { |
61 | namespace TraceView { | |
aba1dd16 | 62 | |
568b90d4 JH |
63 | const QColor AnalogSignal::SignalColours[4] = { |
64 | QColor(0xC4, 0xA0, 0x00), // Yellow | |
65 | QColor(0x87, 0x20, 0x7A), // Magenta | |
66 | QColor(0x20, 0x4A, 0x87), // Blue | |
67 | QColor(0x4E, 0x9A, 0x06) // Green | |
68 | }; | |
69 | ||
c063290a UH |
70 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); |
71 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); | |
37b9fed4 | 72 | |
8de1e1b2 UH |
73 | const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77); |
74 | ||
fdfd5b3e SA |
75 | const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) |
76 | const float AnalogSignal::EnvelopeThreshold = 64.0f; | |
7c68ddae | 77 | |
4cffac16 | 78 | const int AnalogSignal::MaximumVDivs = 10; |
368a37c2 SA |
79 | const int AnalogSignal::MinScaleIndex = -6; |
80 | const int AnalogSignal::MaxScaleIndex = 7; | |
4cffac16 | 81 | |
03cc651d SA |
82 | const int AnalogSignal::InfoTextMarginRight = 20; |
83 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
84 | ||
b86aa8f4 | 85 | AnalogSignal::AnalogSignal( |
2b81ae46 | 86 | pv::Session &session, |
cbd2a2de | 87 | shared_ptr<data::SignalBase> base) : |
73a25a6e | 88 | Signal(session, base), |
834a4f1b | 89 | scale_index_(4), // 20 per div |
37b9fed4 SA |
90 | scale_index_drag_offset_(0), |
91 | div_height_(3 * QFontMetrics(QApplication::font()).height()), | |
459db2c5 SA |
92 | pos_vdivs_(1), |
93 | neg_vdivs_(1), | |
73e377fe | 94 | resolution_(0), |
a970015f SA |
95 | conversion_type_(data::SignalBase::NoConversion), |
96 | display_type_(DisplayBoth), | |
1f1d55ce | 97 | autoranging_(true) |
aba1dd16 | 98 | { |
85715407 SA |
99 | pv::data::Analog* analog_data = |
100 | dynamic_cast<pv::data::Analog*>(data().get()); | |
101 | ||
102 | connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)), | |
103 | this, SLOT(on_samples_added())); | |
104 | ||
73a25a6e | 105 | base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]); |
834a4f1b | 106 | update_scale(); |
aba1dd16 JH |
107 | } |
108 | ||
3009b5b3 JH |
109 | shared_ptr<pv::data::SignalData> AnalogSignal::data() const |
110 | { | |
cbd2a2de | 111 | return base_->analog_data(); |
9a0cd293 JH |
112 | } |
113 | ||
3a21afa6 SA |
114 | void AnalogSignal::save_settings(QSettings &settings) const |
115 | { | |
459db2c5 SA |
116 | settings.setValue("pos_vdivs", pos_vdivs_); |
117 | settings.setValue("neg_vdivs", neg_vdivs_); | |
3a21afa6 | 118 | settings.setValue("scale_index", scale_index_); |
a970015f SA |
119 | settings.setValue("conversion_type", conversion_type_); |
120 | settings.setValue("display_type", display_type_); | |
73e377fe | 121 | settings.setValue("autoranging", autoranging_); |
3a21afa6 SA |
122 | } |
123 | ||
124 | void AnalogSignal::restore_settings(QSettings &settings) | |
125 | { | |
459db2c5 SA |
126 | if (settings.contains("pos_vdivs")) |
127 | pos_vdivs_ = settings.value("pos_vdivs").toInt(); | |
128 | ||
129 | if (settings.contains("neg_vdivs")) | |
130 | neg_vdivs_ = settings.value("neg_vdivs").toInt(); | |
3a21afa6 SA |
131 | |
132 | if (settings.contains("scale_index")) { | |
133 | scale_index_ = settings.value("scale_index").toInt(); | |
134 | update_scale(); | |
135 | } | |
73e377fe | 136 | |
a8fd2759 | 137 | if (settings.contains("conversion_type")) { |
a970015f | 138 | conversion_type_ = (data::SignalBase::ConversionType)(settings.value("conversion_type").toInt()); |
a8fd2759 SA |
139 | update_conversion_type(); |
140 | } | |
a970015f SA |
141 | |
142 | if (settings.contains("display_type")) | |
143 | display_type_ = (DisplayType)(settings.value("display_type").toInt()); | |
144 | ||
73e377fe SA |
145 | if (settings.contains("autoranging")) |
146 | autoranging_ = settings.value("autoranging").toBool(); | |
3a21afa6 SA |
147 | } |
148 | ||
6f925ba9 | 149 | pair<int, int> AnalogSignal::v_extents() const |
a5d93c27 | 150 | { |
459db2c5 SA |
151 | const int ph = pos_vdivs_ * div_height_; |
152 | const int nh = neg_vdivs_ * div_height_; | |
153 | return make_pair(-ph, nh); | |
a5d93c27 JH |
154 | } |
155 | ||
214470fc JH |
156 | int AnalogSignal::scale_handle_offset() const |
157 | { | |
459db2c5 | 158 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 159 | |
c063290a | 160 | return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2; |
214470fc JH |
161 | } |
162 | ||
163 | void AnalogSignal::scale_handle_dragged(int offset) | |
164 | { | |
459db2c5 | 165 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 166 | |
c063290a | 167 | scale_index_ = scale_index_drag_offset_ - (offset + h / 2) / (h / 4); |
834a4f1b SA |
168 | |
169 | update_scale(); | |
8a2fafcc JH |
170 | } |
171 | ||
172 | void AnalogSignal::scale_handle_drag_release() | |
173 | { | |
174 | scale_index_drag_offset_ = scale_index_; | |
834a4f1b | 175 | update_scale(); |
214470fc JH |
176 | } |
177 | ||
60938e04 | 178 | void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp) |
fe08b6e8 | 179 | { |
73a25a6e | 180 | if (base_->enabled()) { |
99af6802 | 181 | Trace::paint_back(p, pp); |
97904bf7 | 182 | paint_axis(p, pp, get_visual_y()); |
99af6802 | 183 | } |
fe08b6e8 JH |
184 | } |
185 | ||
60938e04 | 186 | void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) |
aba1dd16 | 187 | { |
cbd2a2de | 188 | assert(base_->analog_data()); |
8dbbc7f0 | 189 | assert(owner_); |
a8acb46e | 190 | |
be9e7b4b | 191 | const int y = get_visual_y(); |
01fd3263 | 192 | |
73a25a6e | 193 | if (!base_->enabled()) |
cec48d16 JH |
194 | return; |
195 | ||
a8fd2759 SA |
196 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
197 | paint_grid(p, y, pp.left(), pp.right()); | |
198 | ||
199 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
200 | base_->analog_data()->analog_segments(); | |
201 | if (segments.empty()) | |
202 | return; | |
203 | ||
204 | const shared_ptr<pv::data::AnalogSegment> &segment = | |
205 | segments.front(); | |
206 | ||
207 | const double pixels_offset = pp.pixels_offset(); | |
208 | const double samplerate = max(1.0, segment->samplerate()); | |
209 | const pv::util::Timestamp& start_time = segment->start_time(); | |
210 | const int64_t last_sample = segment->get_sample_count() - 1; | |
211 | const double samples_per_pixel = samplerate * pp.scale(); | |
212 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
213 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
214 | ||
215 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
216 | (int64_t)0), last_sample); | |
217 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), | |
218 | (int64_t)0), last_sample); | |
219 | ||
220 | if (samples_per_pixel < EnvelopeThreshold) | |
221 | paint_trace(p, segment, y, pp.left(), | |
222 | start_sample, end_sample, | |
223 | pixels_offset, samples_per_pixel); | |
224 | else | |
225 | paint_envelope(p, segment, y, pp.left(), | |
226 | start_sample, end_sample, | |
227 | pixels_offset, samples_per_pixel); | |
228 | } | |
a8acb46e | 229 | |
a8fd2759 SA |
230 | if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) { |
231 | if (((conversion_type_ == data::SignalBase::A2LConversionByTreshold) || | |
232 | (conversion_type_ == data::SignalBase::A2LConversionBySchmittTrigger))) { | |
a8acb46e | 233 | |
a8fd2759 SA |
234 | paint_logic_mid(p, pp); |
235 | } | |
236 | } | |
7c68ddae JH |
237 | } |
238 | ||
60938e04 | 239 | void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) |
03cc651d SA |
240 | { |
241 | if (!enabled()) | |
242 | return; | |
243 | ||
b8c4a95b SA |
244 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
245 | const int y = get_visual_y(); | |
03cc651d | 246 | |
b8c4a95b SA |
247 | // Show the info section on the right side of the trace |
248 | const QString infotext = QString("%1 V/div").arg(resolution_); | |
03cc651d | 249 | |
b8c4a95b SA |
250 | p.setPen(base_->colour()); |
251 | p.setFont(QApplication::font()); | |
03cc651d | 252 | |
b8c4a95b SA |
253 | const QRectF bounding_rect = QRectF(pp.left(), |
254 | y + v_extents().first, | |
255 | pp.width() - InfoTextMarginRight, | |
256 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
03cc651d | 257 | |
b8c4a95b SA |
258 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); |
259 | } | |
03cc651d SA |
260 | } |
261 | ||
37b9fed4 SA |
262 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) |
263 | { | |
46a0cadc SA |
264 | p.setRenderHint(QPainter::Antialiasing, false); |
265 | ||
8ad61f40 UH |
266 | GlobalSettings settings; |
267 | const bool show_analog_minor_grid = | |
268 | settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
269 | ||
459db2c5 SA |
270 | if (pos_vdivs_ > 0) { |
271 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
272 | for (int i = 1; i <= pos_vdivs_; i++) { | |
273 | const float dy = i * div_height_; | |
274 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
275 | } | |
8ad61f40 | 276 | } |
459db2c5 | 277 | |
8ad61f40 | 278 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
279 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
280 | for (int i = 0; i < pos_vdivs_; i++) { | |
281 | const float dy = i * div_height_; | |
282 | const float dy25 = dy + (0.25 * div_height_); | |
283 | const float dy50 = dy + (0.50 * div_height_); | |
284 | const float dy75 = dy + (0.75 * div_height_); | |
285 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
286 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
287 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
288 | } | |
37b9fed4 SA |
289 | } |
290 | ||
459db2c5 SA |
291 | if (neg_vdivs_ > 0) { |
292 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
293 | for (int i = 1; i <= neg_vdivs_; i++) { | |
294 | const float dy = i * div_height_; | |
295 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
296 | } | |
8ad61f40 | 297 | } |
459db2c5 | 298 | |
8ad61f40 | 299 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
300 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
301 | for (int i = 0; i < neg_vdivs_; i++) { | |
302 | const float dy = i * div_height_; | |
303 | const float dy25 = dy + (0.25 * div_height_); | |
304 | const float dy50 = dy + (0.50 * div_height_); | |
305 | const float dy75 = dy + (0.75 * div_height_); | |
306 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
307 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
308 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
309 | } | |
37b9fed4 | 310 | } |
46a0cadc SA |
311 | |
312 | p.setRenderHint(QPainter::Antialiasing, true); | |
37b9fed4 SA |
313 | } |
314 | ||
7c68ddae | 315 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 316 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
317 | int y, int left, const int64_t start, const int64_t end, |
318 | const double pixels_offset, const double samples_per_pixel) | |
319 | { | |
fdfd5b3e SA |
320 | if (end <= start) |
321 | return; | |
322 | ||
323 | // Calculate and paint the sampling points if enabled and useful | |
324 | GlobalSettings settings; | |
325 | const bool show_sampling_points = | |
326 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && | |
327 | (samples_per_pixel < 0.25); | |
328 | ||
73a25a6e | 329 | p.setPen(base_->colour()); |
7c68ddae | 330 | |
76ce6c7a UH |
331 | const int64_t points_count = end - start; |
332 | ||
333 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
334 | QPointF *point = points; |
335 | ||
fdfd5b3e SA |
336 | QRectF *sampling_points = nullptr; |
337 | if (show_sampling_points) | |
338 | sampling_points = new QRectF[points_count]; | |
8de1e1b2 UH |
339 | QRectF *sampling_point = sampling_points; |
340 | ||
fdfd5b3e SA |
341 | int64_t sample_count = min(points_count, TracePaintBlockSize); |
342 | int64_t block_sample = 0; | |
343 | const float *sample_block = segment->get_samples(start, start + sample_count); | |
26a883ed | 344 | |
8de1e1b2 | 345 | const int w = 2; |
fdfd5b3e SA |
346 | for (int64_t sample = start; sample != end; sample++, block_sample++) { |
347 | ||
348 | if (block_sample == TracePaintBlockSize) { | |
349 | block_sample = 0; | |
350 | delete[] sample_block; | |
351 | sample_count = min(points_count - sample, TracePaintBlockSize); | |
352 | sample_block = segment->get_samples(sample, sample + sample_count); | |
353 | } | |
354 | ||
a8acb46e | 355 | const float x = (sample / samples_per_pixel - |
2658961b | 356 | pixels_offset) + left; |
26a883ed | 357 | |
fdfd5b3e | 358 | *point++ = QPointF(x, y - sample_block[block_sample] * scale_); |
8de1e1b2 | 359 | |
fdfd5b3e SA |
360 | if (show_sampling_points) |
361 | *sampling_point++ = | |
362 | QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); | |
a8acb46e | 363 | } |
fdfd5b3e | 364 | delete[] sample_block; |
a8acb46e | 365 | |
76ce6c7a | 366 | p.drawPolyline(points, points_count); |
a8acb46e | 367 | |
fdfd5b3e | 368 | if (show_sampling_points) { |
8de1e1b2 UH |
369 | p.setPen(SamplingPointColour); |
370 | p.drawRects(sampling_points, points_count); | |
fdfd5b3e | 371 | delete[] sampling_points; |
8de1e1b2 UH |
372 | } |
373 | ||
a8acb46e | 374 | delete[] points; |
aba1dd16 JH |
375 | } |
376 | ||
7c68ddae | 377 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 378 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
379 | int y, int left, const int64_t start, const int64_t end, |
380 | const double pixels_offset, const double samples_per_pixel) | |
381 | { | |
f3d66e52 | 382 | using pv::data::AnalogSegment; |
7c68ddae | 383 | |
f3d66e52 JH |
384 | AnalogSegment::EnvelopeSection e; |
385 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
386 | |
387 | if (e.length < 2) | |
388 | return; | |
389 | ||
819f4c25 | 390 | p.setPen(QPen(Qt::NoPen)); |
73a25a6e | 391 | p.setBrush(base_->colour()); |
7c68ddae JH |
392 | |
393 | QRectF *const rects = new QRectF[e.length]; | |
394 | QRectF *rect = rects; | |
395 | ||
c063290a | 396 | for (uint64_t sample = 0; sample < e.length - 1; sample++) { |
7c68ddae JH |
397 | const float x = ((e.scale * sample + e.start) / |
398 | samples_per_pixel - pixels_offset) + left; | |
f3d66e52 | 399 | const AnalogSegment::EnvelopeSample *const s = |
7c68ddae JH |
400 | e.samples + sample; |
401 | ||
402 | // We overlap this sample with the next so that vertical | |
403 | // gaps do not appear during steep rising or falling edges | |
c063290a UH |
404 | const float b = y - max(s->max, (s + 1)->min) * scale_; |
405 | const float t = y - min(s->min, (s + 1)->max) * scale_; | |
7c68ddae JH |
406 | |
407 | float h = b - t; | |
f3290553 | 408 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 409 | h = 1.0f; |
f3290553 | 410 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
411 | h = -1.0f; |
412 | ||
413 | *rect++ = QRectF(x, t, 1.0f, h); | |
414 | } | |
415 | ||
416 | p.drawRects(rects, e.length); | |
417 | ||
418 | delete[] rects; | |
419 | delete[] e.samples; | |
420 | } | |
421 | ||
60938e04 | 422 | void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp) |
a8fd2759 SA |
423 | { |
424 | QLineF *line; | |
425 | ||
426 | vector< pair<int64_t, bool> > edges; | |
427 | ||
428 | assert(base_); | |
429 | ||
430 | const int y = get_visual_y(); | |
431 | ||
6c0df7c4 | 432 | if (!base_->enabled() || !base_->logic_data()) |
a8fd2759 SA |
433 | return; |
434 | ||
435 | const int signal_margin = | |
436 | QFontMetrics(QApplication::font()).height() / 2; | |
437 | ||
438 | const int ph = min(pos_vdivs_, 1) * div_height_; | |
439 | const int nh = min(neg_vdivs_, 1) * div_height_; | |
440 | const float high_offset = y - ph + signal_margin + 0.5f; | |
441 | const float low_offset = y + nh - signal_margin - 0.5f; | |
442 | ||
443 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
444 | base_->logic_data()->logic_segments(); | |
6c0df7c4 | 445 | |
a8fd2759 SA |
446 | if (segments.empty()) |
447 | return; | |
448 | ||
449 | const shared_ptr<pv::data::LogicSegment> &segment = | |
450 | segments.front(); | |
451 | ||
452 | double samplerate = segment->samplerate(); | |
453 | ||
454 | // Show sample rate as 1Hz when it is unknown | |
455 | if (samplerate == 0.0) | |
456 | samplerate = 1.0; | |
457 | ||
458 | const double pixels_offset = pp.pixels_offset(); | |
459 | const pv::util::Timestamp& start_time = segment->start_time(); | |
460 | const int64_t last_sample = segment->get_sample_count() - 1; | |
461 | const double samples_per_pixel = samplerate * pp.scale(); | |
462 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
463 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
464 | ||
465 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
466 | (int64_t)0), last_sample); | |
467 | const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(), | |
468 | (int64_t)0), last_sample); | |
469 | ||
470 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
471 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
472 | assert(edges.size() >= 2); | |
473 | ||
474 | // Paint the edges | |
475 | const unsigned int edge_count = edges.size() - 2; | |
476 | QLineF *const edge_lines = new QLineF[edge_count]; | |
477 | line = edge_lines; | |
478 | ||
479 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
480 | const float x = ((*i).first / samples_per_pixel - | |
481 | pixels_offset) + pp.left(); | |
482 | *line++ = QLineF(x, high_offset, x, low_offset); | |
483 | } | |
484 | ||
485 | p.setPen(LogicSignal::EdgeColour); | |
486 | p.drawLines(edge_lines, edge_count); | |
487 | delete[] edge_lines; | |
488 | ||
489 | // Paint the caps | |
490 | const unsigned int max_cap_line_count = edges.size(); | |
491 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
492 | ||
493 | p.setPen(LogicSignal::HighColour); | |
494 | paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel, | |
495 | pixels_offset, pp.left(), high_offset); | |
496 | p.setPen(LogicSignal::LowColour); | |
497 | paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel, | |
498 | pixels_offset, pp.left(), low_offset); | |
499 | ||
500 | delete[] cap_lines; | |
501 | ||
502 | // Return if we don't need to paint the sampling points | |
503 | GlobalSettings settings; | |
504 | const bool show_sampling_points = | |
505 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
506 | ||
507 | if (!show_sampling_points || (samples_per_pixel >= 0.25)) | |
508 | return; | |
509 | ||
510 | // Paint the sampling points | |
511 | const uint64_t sampling_points_count = end_sample - start_sample + 1; | |
512 | QRectF *const sampling_points = new QRectF[sampling_points_count]; | |
513 | QRectF *sampling_point = sampling_points; | |
514 | ||
515 | const int w = 1; | |
516 | const float y_middle = high_offset - ((high_offset - low_offset) / 2); | |
517 | for (uint64_t i = start_sample; i < end_sample + 1; ++i) { | |
518 | const float x = (i / samples_per_pixel - pixels_offset) + pp.left(); | |
519 | *sampling_point++ = QRectF(x - (w / 2), y_middle - (w / 2), w, w); | |
520 | } | |
521 | ||
522 | p.setPen(SamplingPointColour); | |
523 | p.drawRects(sampling_points, sampling_points_count); | |
524 | delete[] sampling_points; | |
525 | } | |
526 | ||
527 | void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines, | |
528 | vector< pair<int64_t, bool> > &edges, bool level, | |
529 | double samples_per_pixel, double pixels_offset, float x_offset, | |
530 | float y_offset) | |
531 | { | |
532 | QLineF *line = lines; | |
533 | ||
534 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
535 | if ((*i).second == level) { | |
536 | *line++ = QLineF( | |
537 | ((*i).first / samples_per_pixel - | |
538 | pixels_offset) + x_offset, y_offset, | |
539 | ((*(i+1)).first / samples_per_pixel - | |
540 | pixels_offset) + x_offset, y_offset); | |
541 | } | |
542 | ||
543 | p.drawLines(lines, line - lines); | |
544 | } | |
545 | ||
368a37c2 | 546 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
547 | { |
548 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 549 | |
6f925ba9 UH |
550 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); |
551 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
8a2fafcc | 552 | countof(seq)); |
834a4f1b | 553 | |
368a37c2 SA |
554 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
555 | } | |
556 | ||
557 | void AnalogSignal::update_scale() | |
558 | { | |
559 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 560 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
561 | } |
562 | ||
a8fd2759 SA |
563 | void AnalogSignal::update_conversion_type() |
564 | { | |
565 | base_->set_conversion_type(conversion_type_); | |
566 | ||
567 | if (owner_) | |
568 | owner_->row_item_appearance_changed(false, true); | |
569 | } | |
570 | ||
430b94aa | 571 | void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) |
73e377fe SA |
572 | { |
573 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
574 | base_->analog_data()->analog_segments(); | |
575 | ||
576 | if (segments.empty()) | |
577 | return; | |
578 | ||
579 | static double prev_min = 0, prev_max = 0; | |
580 | double min = 0, max = 0; | |
581 | ||
582 | for (shared_ptr<pv::data::AnalogSegment> segment : segments) { | |
6f925ba9 | 583 | pair<double, double> mm = segment->get_min_max(); |
73e377fe SA |
584 | min = std::min(min, mm.first); |
585 | max = std::max(max, mm.second); | |
586 | } | |
587 | ||
588 | if ((min == prev_min) && (max == prev_max) && !force_update) | |
589 | return; | |
590 | ||
591 | prev_min = min; | |
592 | prev_max = max; | |
593 | ||
430b94aa SA |
594 | // If we're allowed to alter the div assignment... |
595 | if (!keep_divs) { | |
596 | // Use all divs for the positive range if there are no negative values | |
597 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
598 | pos_vdivs_ += neg_vdivs_; | |
599 | neg_vdivs_ = 0; | |
600 | } | |
73e377fe | 601 | |
430b94aa SA |
602 | // Split up the divs if there are negative values but no negative divs |
603 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
604 | neg_vdivs_ = pos_vdivs_ / 2; | |
605 | pos_vdivs_ -= neg_vdivs_; | |
606 | } | |
681b6d5a SA |
607 | } |
608 | ||
430b94aa SA |
609 | // If there is still no positive div when we need it, add one |
610 | // (this can happen when pos_vdivs==neg_vdivs==0) | |
611 | if ((max > 0) && (pos_vdivs_ == 0)) | |
612 | pos_vdivs_ = 1; | |
613 | ||
614 | // If there is still no negative div when we need it, add one | |
615 | // (this can happen when pos_vdivs was 0 or 1 when trying to split) | |
616 | if ((min < 0) && (neg_vdivs_ == 0)) | |
617 | neg_vdivs_ = 1; | |
618 | ||
73e377fe SA |
619 | double min_value_per_div; |
620 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
621 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
622 | else if (pos_vdivs_ > 0) | |
623 | min_value_per_div = max / pos_vdivs_; | |
624 | else | |
625 | min_value_per_div = -min / neg_vdivs_; | |
626 | ||
627 | // Find first scale value that is bigger than the value we need | |
628 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
629 | if (get_resolution(i) > min_value_per_div) { | |
630 | scale_index_ = i; | |
631 | break; | |
632 | } | |
633 | ||
634 | update_scale(); | |
635 | } | |
636 | ||
4cffac16 SA |
637 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
638 | { | |
639 | // Add the standard options | |
640 | Signal::populate_popup_form(parent, form); | |
641 | ||
368a37c2 SA |
642 | QFormLayout *const layout = new QFormLayout; |
643 | ||
644 | // Add the number of vdivs | |
430b94aa SA |
645 | pvdiv_sb_ = new QSpinBox(parent); |
646 | pvdiv_sb_->setRange(0, MaximumVDivs); | |
647 | pvdiv_sb_->setValue(pos_vdivs_); | |
648 | connect(pvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 649 | this, SLOT(on_pos_vdivs_changed(int))); |
430b94aa | 650 | layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb_); |
459db2c5 | 651 | |
430b94aa SA |
652 | nvdiv_sb_ = new QSpinBox(parent); |
653 | nvdiv_sb_->setRange(0, MaximumVDivs); | |
654 | nvdiv_sb_->setValue(neg_vdivs_); | |
655 | connect(nvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 656 | this, SLOT(on_neg_vdivs_changed(int))); |
430b94aa | 657 | layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb_); |
368a37c2 SA |
658 | |
659 | // Add the vertical resolution | |
660 | resolution_cb_ = new QComboBox(parent); | |
661 | ||
662 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
663 | const QString label = QString("%1").arg(get_resolution(i)); | |
664 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
665 | } | |
666 | ||
a970015f | 667 | int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); |
368a37c2 SA |
668 | resolution_cb_->setCurrentIndex(cur_idx); |
669 | ||
670 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
671 | this, SLOT(on_resolution_changed(int))); | |
672 | ||
673 | QGridLayout *const vdiv_layout = new QGridLayout; | |
674 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
675 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
676 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
677 | ||
678 | layout->addRow(tr("Vertical resolution"), vdiv_layout); | |
679 | ||
73e377fe SA |
680 | // Add the autoranging checkbox |
681 | QCheckBox* autoranging_cb = new QCheckBox(); | |
682 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
683 | ||
684 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
685 | this, SLOT(on_autoranging_changed(int))); | |
686 | ||
687 | layout->addRow(tr("Autoranging"), autoranging_cb); | |
688 | ||
a970015f SA |
689 | // Add the conversion type dropdown |
690 | conversion_cb_ = new QComboBox(); | |
691 | ||
692 | conversion_cb_->addItem("none", data::SignalBase::NoConversion); | |
693 | conversion_cb_->addItem("to logic via threshold", data::SignalBase::A2LConversionByTreshold); | |
694 | conversion_cb_->addItem("to logic via schmitt-trigger", data::SignalBase::A2LConversionBySchmittTrigger); | |
695 | ||
696 | cur_idx = conversion_cb_->findData(QVariant(conversion_type_)); | |
697 | conversion_cb_->setCurrentIndex(cur_idx); | |
698 | ||
699 | layout->addRow(tr("Conversion"), conversion_cb_); | |
700 | ||
701 | connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), | |
702 | this, SLOT(on_conversion_changed(int))); | |
703 | ||
704 | // Add the display type dropdown | |
705 | display_type_cb_ = new QComboBox(); | |
706 | ||
707 | display_type_cb_->addItem(tr("Analog"), DisplayAnalog); | |
708 | display_type_cb_->addItem(tr("Converted"), DisplayConverted); | |
709 | display_type_cb_->addItem(tr("Both"), DisplayBoth); | |
710 | ||
711 | cur_idx = display_type_cb_->findData(QVariant(display_type_)); | |
712 | display_type_cb_->setCurrentIndex(cur_idx); | |
713 | ||
714 | layout->addRow(tr("Traces to show:"), display_type_cb_); | |
715 | ||
b8c4a95b SA |
716 | connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), |
717 | this, SLOT(on_display_type_changed(int))); | |
718 | ||
368a37c2 | 719 | form->addRow(layout); |
4cffac16 SA |
720 | } |
721 | ||
85715407 SA |
722 | void AnalogSignal::on_samples_added() |
723 | { | |
430b94aa | 724 | perform_autoranging(false, false); |
85715407 SA |
725 | |
726 | if (owner_) { | |
727 | // Call order is important, otherwise the lazy event handler won't work | |
728 | owner_->extents_changed(false, true); | |
729 | owner_->row_item_appearance_changed(false, true); | |
730 | } | |
731 | } | |
732 | ||
459db2c5 SA |
733 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
734 | { | |
430b94aa SA |
735 | if (vdivs == pos_vdivs_) |
736 | return; | |
737 | ||
459db2c5 SA |
738 | pos_vdivs_ = vdivs; |
739 | ||
80067e49 SA |
740 | // There has to be at least one div, positive or negative |
741 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
742 | pos_vdivs_ = 1; | |
743 | if (pvdiv_sb_) | |
744 | pvdiv_sb_->setValue(pos_vdivs_); | |
745 | } | |
746 | ||
430b94aa SA |
747 | if (autoranging_) { |
748 | perform_autoranging(true, true); | |
749 | ||
750 | // It could be that a positive or negative div was added, so update | |
751 | if (pvdiv_sb_) { | |
752 | pvdiv_sb_->setValue(pos_vdivs_); | |
753 | nvdiv_sb_->setValue(neg_vdivs_); | |
754 | } | |
755 | } | |
73e377fe | 756 | |
459db2c5 SA |
757 | if (owner_) { |
758 | // Call order is important, otherwise the lazy event handler won't work | |
759 | owner_->extents_changed(false, true); | |
760 | owner_->row_item_appearance_changed(false, true); | |
761 | } | |
762 | } | |
763 | ||
764 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 765 | { |
430b94aa SA |
766 | if (vdivs == neg_vdivs_) |
767 | return; | |
768 | ||
459db2c5 | 769 | neg_vdivs_ = vdivs; |
4cffac16 | 770 | |
80067e49 SA |
771 | // There has to be at least one div, positive or negative |
772 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
773 | pos_vdivs_ = 1; | |
774 | if (pvdiv_sb_) | |
775 | pvdiv_sb_->setValue(pos_vdivs_); | |
776 | } | |
777 | ||
430b94aa SA |
778 | if (autoranging_) { |
779 | perform_autoranging(true, true); | |
780 | ||
781 | // It could be that a positive or negative div was added, so update | |
782 | if (pvdiv_sb_) { | |
783 | pvdiv_sb_->setValue(pos_vdivs_); | |
784 | nvdiv_sb_->setValue(neg_vdivs_); | |
785 | } | |
786 | } | |
73e377fe | 787 | |
75d0779e SA |
788 | if (owner_) { |
789 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 790 | owner_->extents_changed(false, true); |
75d0779e SA |
791 | owner_->row_item_appearance_changed(false, true); |
792 | } | |
4cffac16 SA |
793 | } |
794 | ||
368a37c2 SA |
795 | void AnalogSignal::on_resolution_changed(int index) |
796 | { | |
797 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
798 | update_scale(); | |
799 | ||
800 | if (owner_) | |
801 | owner_->row_item_appearance_changed(false, true); | |
802 | } | |
4cffac16 | 803 | |
73e377fe SA |
804 | void AnalogSignal::on_autoranging_changed(int state) |
805 | { | |
806 | autoranging_ = (state == Qt::Checked); | |
807 | ||
808 | if (autoranging_) | |
430b94aa | 809 | perform_autoranging(false, true); |
73e377fe | 810 | |
85715407 SA |
811 | if (owner_) { |
812 | // Call order is important, otherwise the lazy event handler won't work | |
813 | owner_->extents_changed(false, true); | |
73e377fe | 814 | owner_->row_item_appearance_changed(false, true); |
85715407 | 815 | } |
73e377fe SA |
816 | } |
817 | ||
a970015f SA |
818 | void AnalogSignal::on_conversion_changed(int index) |
819 | { | |
a8fd2759 SA |
820 | data::SignalBase::ConversionType old_conv_type = conversion_type_; |
821 | ||
a970015f | 822 | conversion_type_ = (data::SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); |
a8fd2759 SA |
823 | |
824 | if (conversion_type_ != old_conv_type) { | |
825 | base_->set_conversion_type(conversion_type_); | |
826 | update_conversion_type(); | |
827 | } | |
a970015f SA |
828 | } |
829 | ||
b8c4a95b SA |
830 | void AnalogSignal::on_display_type_changed(int index) |
831 | { | |
832 | display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); | |
833 | ||
834 | if (owner_) | |
835 | owner_->row_item_appearance_changed(false, true); | |
836 | } | |
837 | ||
f4e57597 SA |
838 | } // namespace TraceView |
839 | } // namespace views | |
aba1dd16 | 840 | } // namespace pv |