using sigrok::TriggerMatch;
using sigrok::TriggerMatchType;
+using pv::data::LogicSegment;
+
namespace pv {
namespace views {
namespace trace {
if (!base_->enabled())
return;
- const float high_offset = y - signal_height_ + 0.5f;
const float low_offset = y + 0.5f;
+ const float high_offset = low_offset - signal_height_;
- shared_ptr<pv::data::LogicSegment> segment = get_logic_segment_to_paint();
+ shared_ptr<LogicSegment> segment = get_logic_segment_to_paint();
if (!segment || (segment->get_sample_count() == 0))
return;
samples_per_pixel / Oversampling, base_->index());
assert(edges.size() >= 2);
+ const float first_sample_x =
+ pp.left() + (edges.front().first / samples_per_pixel - pixels_offset);
+ const float last_sample_x =
+ 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 =
(samples_per_pixel < 0.25);
vector<QRectF> sampling_points;
- float sampling_point_x = 0.0f;
+ float sampling_point_x = first_sample_x;
int64_t sampling_point_sample = start_sample;
const int w = 2;
- if (show_sampling_points) {
+ if (show_sampling_points)
sampling_points.reserve(end_sample - start_sample + 1);
- sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left();
- }
+
+ // Check whether we need to fill the high areas
+ const bool fill_high_areas =
+ settings.value(GlobalSettings::Key_View_FillSignalHighAreas).toBool();
+ 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) {
+ // 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)
while (sampling_point_sample < (*i).first) {
const float y = (*i).second ? low_offset : high_offset;
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 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.drawRects((const QRectF*)(high_rects.data()), high_rects.size());
+ }
+
p.setPen(EdgeColor);
p.drawLines(edge_lines, edge_count);
delete[] edge_lines;
}
}
-void LogicSignal::hover_point_changed(const QPoint &hp)
+vector<LogicSegment::EdgePair> LogicSignal::get_nearest_level_changes(uint64_t sample_pos)
{
- Signal::hover_point_changed(hp);
-
assert(base_);
assert(owner_);
- if ((!base_->enabled()) || (hp.x() == 0))
- return;
-
- // Ignore if mouse cursor is not hovering over this trace
- const int y = get_visual_y();
- const pair<int, int> extents = v_extents();
- if ((hp.y() < (y + extents.first)) || ((hp.y() > (y + extents.second))))
- return;
+ if (sample_pos == 0)
+ return vector<LogicSegment::EdgePair>();
- shared_ptr<pv::data::LogicSegment> segment = get_logic_segment_to_paint();
+ shared_ptr<LogicSegment> segment = get_logic_segment_to_paint();
if (!segment || (segment->get_sample_count() == 0))
- return;
-
- double samplerate = segment->samplerate();
-
- // Show sample rate as 1Hz when it is unknown
- if (samplerate == 0.0)
- samplerate = 1.0;
+ return vector<LogicSegment::EdgePair>();
const View *view = owner_->view();
assert(view);
- const double scale = view->scale();
- const double pixels_offset =
- ((view->offset() - segment->start_time()) / scale).convert_to<double>();
- const double samples_per_pixel = samplerate * scale;
+ const double samples_per_pixel = base_->get_samplerate() * view->scale();
- const uint64_t sample_pos = (uint64_t)max(
- (hp.x() + pixels_offset) * samples_per_pixel, 0.0);
-
- vector<data::LogicSegment::EdgePair> edges;
+ vector<LogicSegment::EdgePair> edges;
segment->get_surrounding_edges(edges, sample_pos,
samples_per_pixel / Oversampling, base_->index());
if (edges.empty())
- return;
+ return vector<LogicSegment::EdgePair>();
+
+ return edges;
}
void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,