using pv::data::LogicSegment;
using pv::data::SignalBase;
using pv::util::SIPrefix;
+using pv::util::determine_value_prefix;
namespace pv {
namespace views {
const float AnalogSignal::EnvelopeThreshold = 64.0f;
const int AnalogSignal::MaximumVDivs = 10;
-const int AnalogSignal::MinScaleIndex = -6;
-const int AnalogSignal::MaxScaleIndex = 7;
+const int AnalogSignal::MinScaleIndex = -6; // 0.01 units/div
+const int AnalogSignal::MaxScaleIndex = 10; // 1000 units/div
const int AnalogSignal::InfoTextMarginRight = 20;
const int AnalogSignal::InfoTextMarginBottom = 5;
pv::Session &session,
shared_ptr<data::SignalBase> base) :
Signal(session, base),
+ value_at_hover_pos_(std::numeric_limits<float>::quiet_NaN()),
scale_index_(4), // 20 per div
pos_vdivs_(1),
neg_vdivs_(1),
resolution_(0),
display_type_(DisplayBoth),
- autoranging_(true),
- value_at_hover_pos_(std::numeric_limits<float>::quiet_NaN())
+ autoranging_(true)
{
axis_pen_ = AxisPen;
connect(analog_data, SIGNAL(min_max_changed(float, float)),
this, SLOT(on_min_max_changed(float, float)));
- GlobalSettings gs;
+ GlobalSettings settings;
+ show_sampling_points_ =
+ settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
+ fill_high_areas_ =
+ settings.value(GlobalSettings::Key_View_FillSignalHighAreas).toBool();
+ high_fill_color_ = QColor::fromRgba(settings.value(
+ GlobalSettings::Key_View_FillSignalHighAreaColor).value<uint32_t>());
+ show_analog_minor_grid_ =
+ settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool();
conversion_threshold_disp_mode_ =
- gs.value(GlobalSettings::Key_View_ConversionThresholdDispMode).toInt();
-
- div_height_ = gs.value(GlobalSettings::Key_View_DefaultDivHeight).toInt();
+ settings.value(GlobalSettings::Key_View_ConversionThresholdDispMode).toInt();
+ div_height_ = settings.value(GlobalSettings::Key_View_DefaultDivHeight).toInt();
base_->set_color(SignalColors[base_->index() % countof(SignalColors)]);
update_scale();
return base_->analog_data();
}
-void AnalogSignal::save_settings(QSettings &settings) const
+std::map<QString, QVariant> AnalogSignal::save_settings() const
{
- settings.setValue("pos_vdivs", pos_vdivs_);
- settings.setValue("neg_vdivs", neg_vdivs_);
- settings.setValue("scale_index", scale_index_);
- settings.setValue("display_type", display_type_);
- settings.setValue("autoranging", autoranging_);
- settings.setValue("div_height", div_height_);
+ std::map<QString, QVariant> result;
+
+ result["pos_vdivs"] = pos_vdivs_;
+ result["neg_vdivs"] = neg_vdivs_;
+ result["scale_index"] = scale_index_;
+ result["display_type"] = display_type_;
+ result["autoranging"] = pos_vdivs_;
+ result["div_height"] = div_height_;
+
+ return result;
}
-void AnalogSignal::restore_settings(QSettings &settings)
+void AnalogSignal::restore_settings(std::map<QString, QVariant> settings)
{
- if (settings.contains("pos_vdivs"))
- pos_vdivs_ = settings.value("pos_vdivs").toInt();
+ auto entry = settings.find("pos_vdivs");
+ if (entry != settings.end())
+ pos_vdivs_ = settings["pos_vdivs"].toInt();
- if (settings.contains("neg_vdivs"))
- neg_vdivs_ = settings.value("neg_vdivs").toInt();
+ entry = settings.find("neg_vdivs");
+ if (entry != settings.end())
+ neg_vdivs_ = settings["neg_vdivs"].toInt();
- if (settings.contains("scale_index")) {
- scale_index_ = settings.value("scale_index").toInt();
+ entry = settings.find("scale_index");
+ if (entry != settings.end()) {
+ scale_index_ = settings["scale_index"].toInt();
update_scale();
}
- if (settings.contains("display_type"))
- display_type_ = (DisplayType)(settings.value("display_type").toInt());
+ entry = settings.find("display_type");
+ if (entry != settings.end())
+ display_type_ = (DisplayType)(settings["display_type"].toInt());
- if (settings.contains("autoranging"))
- autoranging_ = settings.value("autoranging").toBool();
+ entry = settings.find("autoranging");
+ if (entry != settings.end())
+ autoranging_ = settings["autoranging"].toBool();
- if (settings.contains("div_height")) {
+ entry = settings.find("div_height");
+ if (entry != settings.end()) {
const int old_height = div_height_;
- div_height_ = settings.value("div_height").toInt();
+ div_height_ = settings["div_height"].toInt();
if ((div_height_ != old_height) && owner_) {
// Call order is important, otherwise the lazy event handler won't work
return make_pair(-ph, nh);
}
-void AnalogSignal::on_setting_changed(const QString &key, const QVariant &value)
-{
- Signal::on_setting_changed(key, value);
-
- if (key == GlobalSettings::Key_View_ConversionThresholdDispMode)
- on_settingViewConversionThresholdDispMode_changed(value);
-}
-
void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp)
{
if (!base_->enabled())
paint_axis(p, pp, get_visual_y());
} else {
- Trace::paint_back(p, pp);
+ Signal::paint_back(p, pp);
paint_axis(p, pp, get_visual_y());
}
}
QString infotext;
+ SIPrefix prefix;
+ if (fabs(signal_max_) > fabs(signal_min_))
+ prefix = determine_value_prefix(fabs(signal_max_));
+ else
+ prefix = determine_value_prefix(fabs(signal_min_));
+
// Show the info section on the right side of the trace, including
// the value at the hover point when the hover marker is enabled
// and we have corresponding data available
if (show_hover_marker_ && !std::isnan(value_at_hover_pos_)) {
infotext = QString("[%1] %2 V/div")
- .arg(format_value_si(value_at_hover_pos_, SIPrefix::unspecified, 0, "V", false))
+ .arg(format_value_si(value_at_hover_pos_, prefix, 3, "V", false))
.arg(resolution_);
} else
infotext = QString("%1 V/div").arg(resolution_);
void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right)
{
+ bool was_antialiased = p.testRenderHint(QPainter::Antialiasing);
p.setRenderHint(QPainter::Antialiasing, false);
- GlobalSettings settings;
- const bool show_analog_minor_grid =
- settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool();
-
if (pos_vdivs_ > 0) {
p.setPen(QPen(GridMajorColor, 1, Qt::DashLine));
for (int i = 1; i <= pos_vdivs_; i++) {
}
}
- if ((pos_vdivs_ > 0) && show_analog_minor_grid) {
+ if ((pos_vdivs_ > 0) && show_analog_minor_grid_) {
p.setPen(QPen(GridMinorColor, 1, Qt::DashLine));
for (int i = 0; i < pos_vdivs_; i++) {
const float dy = i * div_height_;
}
}
- if ((pos_vdivs_ > 0) && show_analog_minor_grid) {
+ if ((pos_vdivs_ > 0) && show_analog_minor_grid_) {
p.setPen(QPen(GridMinorColor, 1, Qt::DashLine));
for (int i = 0; i < neg_vdivs_; i++) {
const float dy = i * div_height_;
}
}
- p.setRenderHint(QPainter::Antialiasing, true);
+ p.setRenderHint(QPainter::Antialiasing, was_antialiased);
}
void AnalogSignal::paint_trace(QPainter &p,
// Calculate and paint the sampling points if enabled and useful
GlobalSettings settings;
const bool show_sampling_points =
- (settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() ||
- paint_thr_dots) && (samples_per_pixel < 0.25);
+ (show_sampling_points_ || paint_thr_dots) && (samples_per_pixel < 0.25);
p.setPen(base_->color());
}
delete[] sample_block;
- p.drawPolyline(points, points_count);
+ // QPainter::drawPolyline() is slow, let's paint the lines ourselves
+ for (int64_t i = 1; i < points_count; i++)
+ p.drawLine(points[i - 1], points[i]);
if (show_sampling_points) {
if (paint_thr_dots) {
pp.left() + (edges.back().first / samples_per_pixel - pixels_offset);
// Check whether we need to paint the sampling points
- GlobalSettings settings;
- const bool show_sampling_points =
- settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() &&
- (samples_per_pixel < 0.25);
-
+ const bool show_sampling_points = show_sampling_points_ && (samples_per_pixel < 0.25);
vector<QRectF> sampling_points;
float sampling_point_x = first_sample_x;
int64_t sampling_point_sample = start_sample;
if (show_sampling_points)
sampling_points.reserve(end_sample - start_sample + 1);
- // Check whether we need to fill the high areas
- const bool fill_high_areas =
- settings.value(GlobalSettings::Key_View_FillSignalHighAreas).toBool();
- float high_start_x;
vector<QRectF> high_rects;
+ float rising_edge_x;
+ bool rising_edge_seen = false;
// Paint the edges
const unsigned int edge_count = edges.size() - 2;
QLineF *const edge_lines = new QLineF[edge_count];
line = edge_lines;
+ if (edges.front().second) {
+ // Beginning of trace is high
+ rising_edge_x = first_sample_x;
+ rising_edge_seen = true;
+ }
+
for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
- const float x = ((*i).first / samples_per_pixel -
- pixels_offset) + pp.left();
+ // Note: multiple edges occupying a single pixel are represented by an edge
+ // with undefined logic level. This means that only the first falling edge
+ // after a rising edge corresponds to said rising edge - and vice versa. If
+ // more edges with the same logic level follow, they denote multiple edges.
+
+ const float x = pp.left() + ((*i).first / samples_per_pixel - pixels_offset);
*line++ = QLineF(x, high_offset, x, low_offset);
- if (fill_high_areas) {
- if ((*i).second)
- high_start_x = x;
- else
- high_rects.emplace_back(high_start_x, high_offset,
- x - high_start_x, signal_height);
+ if (fill_high_areas_) {
+ // Any edge terminates a high area
+ if (rising_edge_seen) {
+ const int width = x - rising_edge_x;
+ if (width > 0)
+ high_rects.emplace_back(rising_edge_x, high_offset,
+ width, signal_height);
+ rising_edge_seen = false;
+ }
+
+ // Only rising edges start high areas
+ if ((*i).second) {
+ rising_edge_x = x;
+ rising_edge_seen = true;
+ }
}
if (show_sampling_points)
sampling_point_x += pixels_per_sample;
};
- if (fill_high_areas) {
- // Add last high rectangle if the signal is still high at the end of the view
- if ((edges.cend() - 1)->second)
- high_rects.emplace_back(high_start_x, high_offset,
- last_sample_x - high_start_x, signal_height);
+ if (fill_high_areas_) {
+ // Add last high rectangle if the signal is still high at the end of the trace
+ if (rising_edge_seen && (edges.cend() - 1)->second)
+ high_rects.emplace_back(rising_edge_x, high_offset,
+ last_sample_x - rising_edge_x, signal_height);
- const QColor fill_color = QColor::fromRgba(settings.value(
- GlobalSettings::Key_View_FillSignalHighAreaColor).value<uint32_t>());
- p.setPen(fill_color);
- p.setBrush(fill_color);
+ p.setPen(high_fill_color_);
+ p.setBrush(high_fill_color_);
p.drawRects((const QRectF*)(high_rects.data()), high_rects.size());
}
conv_threshold_cb_->blockSignals(true);
// Set available options depending on chosen conversion
- for (pair<QString, int> preset : presets)
+ for (pair<QString, int>& preset : presets)
conv_threshold_cb_->addItem(preset.first, preset.second);
map < QString, QVariant > options = base_->get_conversion_options();
if (segments.empty())
return;
- static double prev_min = 0, prev_max = 0;
double min = 0, max = 0;
- for (shared_ptr<pv::data::AnalogSegment> segment : segments) {
+ for (const shared_ptr<pv::data::AnalogSegment>& segment : segments) {
pair<double, double> mm = segment->get_min_max();
min = std::min(min, mm.first);
max = std::max(max, mm.second);
}
- if ((min == prev_min) && (max == prev_max) && !force_update)
+ if ((min == signal_min_) && (max == signal_max_) && !force_update)
return;
- prev_min = min;
- prev_max = max;
+ signal_min_ = min;
+ signal_max_ = max;
// If we're allowed to alter the div assignment...
if (!keep_divs) {
// Add the standard options
Signal::populate_popup_form(parent, form);
- QFormLayout *const layout = new QFormLayout;
-
// Add div-related settings
pvdiv_sb_ = new QSpinBox(parent);
pvdiv_sb_->setRange(0, MaximumVDivs);
pvdiv_sb_->setValue(pos_vdivs_);
connect(pvdiv_sb_, SIGNAL(valueChanged(int)),
this, SLOT(on_pos_vdivs_changed(int)));
- layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb_);
+ form->addRow(tr("Number of pos vertical divs"), pvdiv_sb_);
nvdiv_sb_ = new QSpinBox(parent);
nvdiv_sb_->setRange(0, MaximumVDivs);
nvdiv_sb_->setValue(neg_vdivs_);
connect(nvdiv_sb_, SIGNAL(valueChanged(int)),
this, SLOT(on_neg_vdivs_changed(int)));
- layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb_);
+ form->addRow(tr("Number of neg vertical divs"), nvdiv_sb_);
div_height_sb_ = new QSpinBox(parent);
div_height_sb_->setRange(20, 1000);
div_height_sb_->setValue(div_height_);
connect(div_height_sb_, SIGNAL(valueChanged(int)),
this, SLOT(on_div_height_changed(int)));
- layout->addRow(tr("Div height"), div_height_sb_);
+ form->addRow(tr("Div height"), div_height_sb_);
// Add the vertical resolution
resolution_cb_ = new QComboBox(parent);
vdiv_layout->addWidget(resolution_cb_, 0, 0);
vdiv_layout->addWidget(vdiv_unit, 0, 1);
- layout->addRow(tr("Vertical resolution"), vdiv_layout);
+ form->addRow(tr("Vertical resolution"), vdiv_layout);
// Add the autoranging checkbox
QCheckBox* autoranging_cb = new QCheckBox();
connect(autoranging_cb, SIGNAL(stateChanged(int)),
this, SLOT(on_autoranging_changed(int)));
- layout->addRow(tr("Autoranging"), autoranging_cb);
+ form->addRow(tr("Autoranging"), autoranging_cb);
// Add the conversion type dropdown
conversion_cb_ = new QComboBox();
cur_idx = conversion_cb_->findData(QVariant(base_->get_conversion_type()));
conversion_cb_->setCurrentIndex(cur_idx);
- layout->addRow(tr("Conversion"), conversion_cb_);
+ form->addRow(tr("Conversion"), conversion_cb_);
connect(conversion_cb_, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_conversion_changed(int)));
conv_threshold_cb_ = new QComboBox();
conv_threshold_cb_->setEditable(true);
- layout->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_);
+ form->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_);
connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_conv_threshold_changed(int)));
cur_idx = display_type_cb_->findData(QVariant(display_type_));
display_type_cb_->setCurrentIndex(cur_idx);
- layout->addRow(tr("Show traces for"), display_type_cb_);
+ form->addRow(tr("Show traces for"), display_type_cb_);
connect(display_type_cb_, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_display_type_changed(int)));
// Update the conversion widget contents and states
update_conversion_widgets();
-
- form->addRow(layout);
}
void AnalogSignal::hover_point_changed(const QPoint &hp)
if (hp.x() <= 0) {
value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN();
} else {
- try {
+ if ((size_t)hp.x() < value_at_pixel_pos_.size())
value_at_hover_pos_ = value_at_pixel_pos_.at(hp.x());
- } catch (out_of_range&) {
+ else
value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN();
- }
}
}
-void AnalogSignal::on_min_max_changed(float min, float max)
+void AnalogSignal::on_setting_changed(const QString &key, const QVariant &value)
{
- (void)min;
- (void)max;
+ Signal::on_setting_changed(key, value);
+
+ if (key == GlobalSettings::Key_View_ShowSamplingPoints)
+ show_sampling_points_ = value.toBool();
+
+ if (key == GlobalSettings::Key_View_FillSignalHighAreas)
+ fill_high_areas_ = value.toBool();
+
+ if (key == GlobalSettings::Key_View_FillSignalHighAreaColor)
+ high_fill_color_ = QColor::fromRgba(value.value<uint32_t>());
+
+ if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid)
+ show_analog_minor_grid_ = value.toBool();
+
+ if (key == GlobalSettings::Key_View_ConversionThresholdDispMode) {
+ conversion_threshold_disp_mode_ = value.toInt();
+
+ if (owner_)
+ owner_->row_item_appearance_changed(false, true);
+ }
+}
+void AnalogSignal::on_min_max_changed(float min, float max)
+{
if (autoranging_)
perform_autoranging(false, false);
+ else {
+ if (min < signal_min_) signal_min_ = min;
+ if (max > signal_max_) signal_max_ = max;
+ }
}
void AnalogSignal::on_pos_vdivs_changed(int vdivs)
owner_->row_item_appearance_changed(false, true);
}
-void AnalogSignal::on_settingViewConversionThresholdDispMode_changed(const QVariant new_value)
-{
- conversion_threshold_disp_mode_ = new_value.toInt();
-
- if (owner_)
- owner_->row_item_appearance_changed(false, true);
-}
-
} // namespace trace
} // namespace views
} // namespace pv
projects / pulseview.git / blobdiff