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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> | |
4cffac16 | 34 | #include <QSpinBox> |
03cc651d | 35 | #include <QString> |
37b9fed4 | 36 | |
2acdb232 JH |
37 | #include "analogsignal.hpp" |
38 | #include "pv/data/analog.hpp" | |
f3d66e52 | 39 | #include "pv/data/analogsegment.hpp" |
a8fd2759 SA |
40 | #include "pv/data/logic.hpp" |
41 | #include "pv/data/logicsegment.hpp" | |
bf0edd2b | 42 | #include "pv/data/signalbase.hpp" |
2acdb232 | 43 | #include "pv/view/view.hpp" |
a8fd2759 | 44 | #include "pv/view/logicsignal.hpp" |
8de1e1b2 | 45 | #include "pv/globalsettings.hpp" |
aba1dd16 | 46 | |
fe3a1c21 | 47 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 48 | |
6f925ba9 UH |
49 | using std::deque; |
50 | using std::div; | |
51 | using std::div_t; | |
819f4c25 | 52 | using std::max; |
a5d93c27 | 53 | using std::make_pair; |
819f4c25 | 54 | using std::min; |
6f925ba9 UH |
55 | using std::numeric_limits; |
56 | using std::pair; | |
f9abf97e | 57 | using std::shared_ptr; |
a8fd2759 | 58 | using std::vector; |
aba1dd16 JH |
59 | |
60 | namespace pv { | |
f4e57597 SA |
61 | namespace views { |
62 | namespace TraceView { | |
aba1dd16 | 63 | |
568b90d4 JH |
64 | const QColor AnalogSignal::SignalColours[4] = { |
65 | QColor(0xC4, 0xA0, 0x00), // Yellow | |
66 | QColor(0x87, 0x20, 0x7A), // Magenta | |
67 | QColor(0x20, 0x4A, 0x87), // Blue | |
68 | QColor(0x4E, 0x9A, 0x06) // Green | |
69 | }; | |
70 | ||
c063290a UH |
71 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); |
72 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); | |
37b9fed4 | 73 | |
8de1e1b2 UH |
74 | const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77); |
75 | ||
7c68ddae JH |
76 | const float AnalogSignal::EnvelopeThreshold = 256.0f; |
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 | ||
5b5fa4da | 178 | void AnalogSignal::paint_back(QPainter &p, const 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 | ||
5b5fa4da | 186 | void AnalogSignal::paint_mid(QPainter &p, const 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 | ||
03cc651d SA |
239 | void AnalogSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp) |
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 | ||
459db2c5 SA |
266 | if (pos_vdivs_ > 0) { |
267 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
268 | for (int i = 1; i <= pos_vdivs_; i++) { | |
269 | const float dy = i * div_height_; | |
270 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
271 | } | |
272 | ||
273 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); | |
274 | for (int i = 0; i < pos_vdivs_; i++) { | |
275 | const float dy = i * div_height_; | |
276 | const float dy25 = dy + (0.25 * div_height_); | |
277 | const float dy50 = dy + (0.50 * div_height_); | |
278 | const float dy75 = dy + (0.75 * div_height_); | |
279 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
280 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
281 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
282 | } | |
37b9fed4 SA |
283 | } |
284 | ||
459db2c5 SA |
285 | if (neg_vdivs_ > 0) { |
286 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
287 | for (int i = 1; i <= neg_vdivs_; i++) { | |
288 | const float dy = i * div_height_; | |
289 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
290 | } | |
291 | ||
292 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); | |
293 | for (int i = 0; i < neg_vdivs_; i++) { | |
294 | const float dy = i * div_height_; | |
295 | const float dy25 = dy + (0.25 * div_height_); | |
296 | const float dy50 = dy + (0.50 * div_height_); | |
297 | const float dy75 = dy + (0.75 * div_height_); | |
298 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
299 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
300 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
301 | } | |
37b9fed4 | 302 | } |
46a0cadc SA |
303 | |
304 | p.setRenderHint(QPainter::Antialiasing, true); | |
37b9fed4 SA |
305 | } |
306 | ||
7c68ddae | 307 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 308 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
309 | int y, int left, const int64_t start, const int64_t end, |
310 | const double pixels_offset, const double samples_per_pixel) | |
311 | { | |
73a25a6e | 312 | p.setPen(base_->colour()); |
7c68ddae | 313 | |
76ce6c7a UH |
314 | const int64_t points_count = end - start; |
315 | ||
316 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
317 | QPointF *point = points; |
318 | ||
8de1e1b2 UH |
319 | QRectF *const sampling_points = new QRectF[points_count]; |
320 | QRectF *sampling_point = sampling_points; | |
321 | ||
26a883ed SA |
322 | pv::data::SegmentAnalogDataIterator* it = |
323 | segment->begin_sample_iteration(start); | |
324 | ||
8de1e1b2 | 325 | const int w = 2; |
7c68ddae | 326 | for (int64_t sample = start; sample != end; sample++) { |
a8acb46e | 327 | const float x = (sample / samples_per_pixel - |
2658961b | 328 | pixels_offset) + left; |
26a883ed SA |
329 | |
330 | *point++ = QPointF(x, y - *((float*)it->value) * scale_); | |
8de1e1b2 UH |
331 | *sampling_point++ = QRectF(x - (w / 2), y - *((float*)it->value) * scale_ - (w / 2), w, w); |
332 | ||
26a883ed | 333 | segment->continue_sample_iteration(it, 1); |
a8acb46e | 334 | } |
26a883ed | 335 | segment->end_sample_iteration(it); |
a8acb46e | 336 | |
76ce6c7a | 337 | p.drawPolyline(points, points_count); |
a8acb46e | 338 | |
8de1e1b2 UH |
339 | // Paint the sampling points if enabled |
340 | GlobalSettings settings; | |
341 | const bool show_sampling_points = | |
342 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
00f6bae9 UH |
343 | |
344 | if (show_sampling_points && (samples_per_pixel < 0.25)) { | |
8de1e1b2 UH |
345 | p.setPen(SamplingPointColour); |
346 | p.drawRects(sampling_points, points_count); | |
347 | } | |
348 | ||
a8acb46e | 349 | delete[] points; |
8de1e1b2 | 350 | delete[] sampling_points; |
aba1dd16 JH |
351 | } |
352 | ||
7c68ddae | 353 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 354 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
355 | int y, int left, const int64_t start, const int64_t end, |
356 | const double pixels_offset, const double samples_per_pixel) | |
357 | { | |
f3d66e52 | 358 | using pv::data::AnalogSegment; |
7c68ddae | 359 | |
f3d66e52 JH |
360 | AnalogSegment::EnvelopeSection e; |
361 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
362 | |
363 | if (e.length < 2) | |
364 | return; | |
365 | ||
819f4c25 | 366 | p.setPen(QPen(Qt::NoPen)); |
73a25a6e | 367 | p.setBrush(base_->colour()); |
7c68ddae JH |
368 | |
369 | QRectF *const rects = new QRectF[e.length]; | |
370 | QRectF *rect = rects; | |
371 | ||
c063290a | 372 | for (uint64_t sample = 0; sample < e.length - 1; sample++) { |
7c68ddae JH |
373 | const float x = ((e.scale * sample + e.start) / |
374 | samples_per_pixel - pixels_offset) + left; | |
f3d66e52 | 375 | const AnalogSegment::EnvelopeSample *const s = |
7c68ddae JH |
376 | e.samples + sample; |
377 | ||
378 | // We overlap this sample with the next so that vertical | |
379 | // gaps do not appear during steep rising or falling edges | |
c063290a UH |
380 | const float b = y - max(s->max, (s + 1)->min) * scale_; |
381 | const float t = y - min(s->min, (s + 1)->max) * scale_; | |
7c68ddae JH |
382 | |
383 | float h = b - t; | |
f3290553 | 384 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 385 | h = 1.0f; |
f3290553 | 386 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
387 | h = -1.0f; |
388 | ||
389 | *rect++ = QRectF(x, t, 1.0f, h); | |
390 | } | |
391 | ||
392 | p.drawRects(rects, e.length); | |
393 | ||
394 | delete[] rects; | |
395 | delete[] e.samples; | |
396 | } | |
397 | ||
a8fd2759 SA |
398 | void AnalogSignal::paint_logic_mid(QPainter &p, const ViewItemPaintParams &pp) |
399 | { | |
400 | QLineF *line; | |
401 | ||
402 | vector< pair<int64_t, bool> > edges; | |
403 | ||
404 | assert(base_); | |
405 | ||
406 | const int y = get_visual_y(); | |
407 | ||
408 | if (!base_->enabled()) | |
409 | return; | |
410 | ||
411 | const int signal_margin = | |
412 | QFontMetrics(QApplication::font()).height() / 2; | |
413 | ||
414 | const int ph = min(pos_vdivs_, 1) * div_height_; | |
415 | const int nh = min(neg_vdivs_, 1) * div_height_; | |
416 | const float high_offset = y - ph + signal_margin + 0.5f; | |
417 | const float low_offset = y + nh - signal_margin - 0.5f; | |
418 | ||
419 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
420 | base_->logic_data()->logic_segments(); | |
421 | if (segments.empty()) | |
422 | return; | |
423 | ||
424 | const shared_ptr<pv::data::LogicSegment> &segment = | |
425 | segments.front(); | |
426 | ||
427 | double samplerate = segment->samplerate(); | |
428 | ||
429 | // Show sample rate as 1Hz when it is unknown | |
430 | if (samplerate == 0.0) | |
431 | samplerate = 1.0; | |
432 | ||
433 | const double pixels_offset = pp.pixels_offset(); | |
434 | const pv::util::Timestamp& start_time = segment->start_time(); | |
435 | const int64_t last_sample = segment->get_sample_count() - 1; | |
436 | const double samples_per_pixel = samplerate * pp.scale(); | |
437 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
438 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
439 | ||
440 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
441 | (int64_t)0), last_sample); | |
442 | const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(), | |
443 | (int64_t)0), last_sample); | |
444 | ||
445 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
446 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
447 | assert(edges.size() >= 2); | |
448 | ||
449 | // Paint the edges | |
450 | const unsigned int edge_count = edges.size() - 2; | |
451 | QLineF *const edge_lines = new QLineF[edge_count]; | |
452 | line = edge_lines; | |
453 | ||
454 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
455 | const float x = ((*i).first / samples_per_pixel - | |
456 | pixels_offset) + pp.left(); | |
457 | *line++ = QLineF(x, high_offset, x, low_offset); | |
458 | } | |
459 | ||
460 | p.setPen(LogicSignal::EdgeColour); | |
461 | p.drawLines(edge_lines, edge_count); | |
462 | delete[] edge_lines; | |
463 | ||
464 | // Paint the caps | |
465 | const unsigned int max_cap_line_count = edges.size(); | |
466 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
467 | ||
468 | p.setPen(LogicSignal::HighColour); | |
469 | paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel, | |
470 | pixels_offset, pp.left(), high_offset); | |
471 | p.setPen(LogicSignal::LowColour); | |
472 | paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel, | |
473 | pixels_offset, pp.left(), low_offset); | |
474 | ||
475 | delete[] cap_lines; | |
476 | ||
477 | // Return if we don't need to paint the sampling points | |
478 | GlobalSettings settings; | |
479 | const bool show_sampling_points = | |
480 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
481 | ||
482 | if (!show_sampling_points || (samples_per_pixel >= 0.25)) | |
483 | return; | |
484 | ||
485 | // Paint the sampling points | |
486 | const uint64_t sampling_points_count = end_sample - start_sample + 1; | |
487 | QRectF *const sampling_points = new QRectF[sampling_points_count]; | |
488 | QRectF *sampling_point = sampling_points; | |
489 | ||
490 | const int w = 1; | |
491 | const float y_middle = high_offset - ((high_offset - low_offset) / 2); | |
492 | for (uint64_t i = start_sample; i < end_sample + 1; ++i) { | |
493 | const float x = (i / samples_per_pixel - pixels_offset) + pp.left(); | |
494 | *sampling_point++ = QRectF(x - (w / 2), y_middle - (w / 2), w, w); | |
495 | } | |
496 | ||
497 | p.setPen(SamplingPointColour); | |
498 | p.drawRects(sampling_points, sampling_points_count); | |
499 | delete[] sampling_points; | |
500 | } | |
501 | ||
502 | void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines, | |
503 | vector< pair<int64_t, bool> > &edges, bool level, | |
504 | double samples_per_pixel, double pixels_offset, float x_offset, | |
505 | float y_offset) | |
506 | { | |
507 | QLineF *line = lines; | |
508 | ||
509 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
510 | if ((*i).second == level) { | |
511 | *line++ = QLineF( | |
512 | ((*i).first / samples_per_pixel - | |
513 | pixels_offset) + x_offset, y_offset, | |
514 | ((*(i+1)).first / samples_per_pixel - | |
515 | pixels_offset) + x_offset, y_offset); | |
516 | } | |
517 | ||
518 | p.drawLines(lines, line - lines); | |
519 | } | |
520 | ||
368a37c2 | 521 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
522 | { |
523 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 524 | |
6f925ba9 UH |
525 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); |
526 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
8a2fafcc | 527 | countof(seq)); |
834a4f1b | 528 | |
368a37c2 SA |
529 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
530 | } | |
531 | ||
532 | void AnalogSignal::update_scale() | |
533 | { | |
534 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 535 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
536 | } |
537 | ||
a8fd2759 SA |
538 | void AnalogSignal::update_conversion_type() |
539 | { | |
540 | base_->set_conversion_type(conversion_type_); | |
541 | ||
542 | if (owner_) | |
543 | owner_->row_item_appearance_changed(false, true); | |
544 | } | |
545 | ||
73e377fe SA |
546 | void AnalogSignal::perform_autoranging(bool force_update) |
547 | { | |
548 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
549 | base_->analog_data()->analog_segments(); | |
550 | ||
551 | if (segments.empty()) | |
552 | return; | |
553 | ||
554 | static double prev_min = 0, prev_max = 0; | |
555 | double min = 0, max = 0; | |
556 | ||
557 | for (shared_ptr<pv::data::AnalogSegment> segment : segments) { | |
6f925ba9 | 558 | pair<double, double> mm = segment->get_min_max(); |
73e377fe SA |
559 | min = std::min(min, mm.first); |
560 | max = std::max(max, mm.second); | |
561 | } | |
562 | ||
563 | if ((min == prev_min) && (max == prev_max) && !force_update) | |
564 | return; | |
565 | ||
566 | prev_min = min; | |
567 | prev_max = max; | |
568 | ||
569 | // Use all divs for the positive range if there are no negative values | |
570 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
571 | pos_vdivs_ += neg_vdivs_; | |
572 | neg_vdivs_ = 0; | |
573 | } | |
574 | ||
681b6d5a SA |
575 | // Split up the divs if there are negative values but no negative divs |
576 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
577 | neg_vdivs_ = pos_vdivs_ / 2; | |
578 | pos_vdivs_ -= neg_vdivs_; | |
579 | } | |
580 | ||
73e377fe SA |
581 | double min_value_per_div; |
582 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
583 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
584 | else if (pos_vdivs_ > 0) | |
585 | min_value_per_div = max / pos_vdivs_; | |
586 | else | |
587 | min_value_per_div = -min / neg_vdivs_; | |
588 | ||
589 | // Find first scale value that is bigger than the value we need | |
590 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
591 | if (get_resolution(i) > min_value_per_div) { | |
592 | scale_index_ = i; | |
593 | break; | |
594 | } | |
595 | ||
596 | update_scale(); | |
597 | } | |
598 | ||
4cffac16 SA |
599 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
600 | { | |
601 | // Add the standard options | |
602 | Signal::populate_popup_form(parent, form); | |
603 | ||
368a37c2 SA |
604 | QFormLayout *const layout = new QFormLayout; |
605 | ||
606 | // Add the number of vdivs | |
459db2c5 SA |
607 | QSpinBox *pvdiv_sb = new QSpinBox(parent); |
608 | pvdiv_sb->setRange(0, MaximumVDivs); | |
609 | pvdiv_sb->setValue(pos_vdivs_); | |
610 | connect(pvdiv_sb, SIGNAL(valueChanged(int)), | |
611 | this, SLOT(on_pos_vdivs_changed(int))); | |
612 | layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb); | |
613 | ||
614 | QSpinBox *nvdiv_sb = new QSpinBox(parent); | |
615 | nvdiv_sb->setRange(0, MaximumVDivs); | |
616 | nvdiv_sb->setValue(neg_vdivs_); | |
617 | connect(nvdiv_sb, SIGNAL(valueChanged(int)), | |
618 | this, SLOT(on_neg_vdivs_changed(int))); | |
619 | layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb); | |
368a37c2 SA |
620 | |
621 | // Add the vertical resolution | |
622 | resolution_cb_ = new QComboBox(parent); | |
623 | ||
624 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
625 | const QString label = QString("%1").arg(get_resolution(i)); | |
626 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
627 | } | |
628 | ||
a970015f | 629 | int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); |
368a37c2 SA |
630 | resolution_cb_->setCurrentIndex(cur_idx); |
631 | ||
632 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
633 | this, SLOT(on_resolution_changed(int))); | |
634 | ||
635 | QGridLayout *const vdiv_layout = new QGridLayout; | |
636 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
637 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
638 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
639 | ||
640 | layout->addRow(tr("Vertical resolution"), vdiv_layout); | |
641 | ||
73e377fe SA |
642 | // Add the autoranging checkbox |
643 | QCheckBox* autoranging_cb = new QCheckBox(); | |
644 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
645 | ||
646 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
647 | this, SLOT(on_autoranging_changed(int))); | |
648 | ||
649 | layout->addRow(tr("Autoranging"), autoranging_cb); | |
650 | ||
a970015f SA |
651 | // Add the conversion type dropdown |
652 | conversion_cb_ = new QComboBox(); | |
653 | ||
654 | conversion_cb_->addItem("none", data::SignalBase::NoConversion); | |
655 | conversion_cb_->addItem("to logic via threshold", data::SignalBase::A2LConversionByTreshold); | |
656 | conversion_cb_->addItem("to logic via schmitt-trigger", data::SignalBase::A2LConversionBySchmittTrigger); | |
657 | ||
658 | cur_idx = conversion_cb_->findData(QVariant(conversion_type_)); | |
659 | conversion_cb_->setCurrentIndex(cur_idx); | |
660 | ||
661 | layout->addRow(tr("Conversion"), conversion_cb_); | |
662 | ||
663 | connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), | |
664 | this, SLOT(on_conversion_changed(int))); | |
665 | ||
666 | // Add the display type dropdown | |
667 | display_type_cb_ = new QComboBox(); | |
668 | ||
669 | display_type_cb_->addItem(tr("Analog"), DisplayAnalog); | |
670 | display_type_cb_->addItem(tr("Converted"), DisplayConverted); | |
671 | display_type_cb_->addItem(tr("Both"), DisplayBoth); | |
672 | ||
673 | cur_idx = display_type_cb_->findData(QVariant(display_type_)); | |
674 | display_type_cb_->setCurrentIndex(cur_idx); | |
675 | ||
676 | layout->addRow(tr("Traces to show:"), display_type_cb_); | |
677 | ||
b8c4a95b SA |
678 | connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), |
679 | this, SLOT(on_display_type_changed(int))); | |
680 | ||
368a37c2 | 681 | form->addRow(layout); |
4cffac16 SA |
682 | } |
683 | ||
85715407 SA |
684 | void AnalogSignal::on_samples_added() |
685 | { | |
686 | perform_autoranging(); | |
687 | ||
688 | if (owner_) { | |
689 | // Call order is important, otherwise the lazy event handler won't work | |
690 | owner_->extents_changed(false, true); | |
691 | owner_->row_item_appearance_changed(false, true); | |
692 | } | |
693 | } | |
694 | ||
459db2c5 SA |
695 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
696 | { | |
697 | pos_vdivs_ = vdivs; | |
698 | ||
73e377fe SA |
699 | if (autoranging_) |
700 | perform_autoranging(true); | |
701 | ||
459db2c5 SA |
702 | if (owner_) { |
703 | // Call order is important, otherwise the lazy event handler won't work | |
704 | owner_->extents_changed(false, true); | |
705 | owner_->row_item_appearance_changed(false, true); | |
706 | } | |
707 | } | |
708 | ||
709 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 710 | { |
459db2c5 | 711 | neg_vdivs_ = vdivs; |
4cffac16 | 712 | |
73e377fe SA |
713 | if (autoranging_) |
714 | perform_autoranging(true); | |
715 | ||
75d0779e SA |
716 | if (owner_) { |
717 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 718 | owner_->extents_changed(false, true); |
75d0779e SA |
719 | owner_->row_item_appearance_changed(false, true); |
720 | } | |
4cffac16 SA |
721 | } |
722 | ||
368a37c2 SA |
723 | void AnalogSignal::on_resolution_changed(int index) |
724 | { | |
725 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
726 | update_scale(); | |
727 | ||
728 | if (owner_) | |
729 | owner_->row_item_appearance_changed(false, true); | |
730 | } | |
4cffac16 | 731 | |
73e377fe SA |
732 | void AnalogSignal::on_autoranging_changed(int state) |
733 | { | |
734 | autoranging_ = (state == Qt::Checked); | |
735 | ||
736 | if (autoranging_) | |
737 | perform_autoranging(true); | |
738 | ||
85715407 SA |
739 | if (owner_) { |
740 | // Call order is important, otherwise the lazy event handler won't work | |
741 | owner_->extents_changed(false, true); | |
73e377fe | 742 | owner_->row_item_appearance_changed(false, true); |
85715407 | 743 | } |
73e377fe SA |
744 | } |
745 | ||
a970015f SA |
746 | void AnalogSignal::on_conversion_changed(int index) |
747 | { | |
a8fd2759 SA |
748 | data::SignalBase::ConversionType old_conv_type = conversion_type_; |
749 | ||
a970015f | 750 | conversion_type_ = (data::SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); |
a8fd2759 SA |
751 | |
752 | if (conversion_type_ != old_conv_type) { | |
753 | base_->set_conversion_type(conversion_type_); | |
754 | update_conversion_type(); | |
755 | } | |
a970015f SA |
756 | } |
757 | ||
b8c4a95b SA |
758 | void AnalogSignal::on_display_type_changed(int index) |
759 | { | |
760 | display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); | |
761 | ||
762 | if (owner_) | |
763 | owner_->row_item_appearance_changed(false, true); | |
764 | } | |
765 | ||
f4e57597 SA |
766 | } // namespace TraceView |
767 | } // namespace views | |
aba1dd16 | 768 | } // namespace pv |