#include <math.h>
#include "logicsignal.h"
+#include "view.h"
#include "pv/data/logic.h"
#include "pv/data/logicsnapshot.h"
const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
-const QColor LogicSignal::LogicSignalColours[10] = {
+const QColor LogicSignal::SignalColours[10] = {
QColor(0x16, 0x19, 0x1A), // Black
QColor(0x8F, 0x52, 0x02), // Brown
QColor(0xCC, 0x00, 0x00), // Red
_data(data)
{
assert(_probe_index >= 0);
- _colour = LogicSignalColours[
- _probe_index % countof(LogicSignalColours)];
+ _colour = SignalColours[_probe_index % countof(SignalColours)];
}
-void LogicSignal::paint(QPainter &p, const QRect &rect, double scale,
- double offset)
+void LogicSignal::paint(QPainter &p, int y, int left, int right,
+ double scale, double offset)
{
+ using pv::view::View;
+
QLineF *line;
vector< pair<int64_t, bool> > edges;
assert(scale > 0);
assert(_data);
+ assert(right >= left);
+
+ paint_axis(p, y, left, right);
- const float high_offset = rect.top() + 0.5f;
- const float low_offset = rect.bottom() + 0.5f;
+ const float high_offset = y - View::SignalHeight + 0.5f;
+ const float low_offset = y + 0.5f;
const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
_data->get_snapshots();
const shared_ptr<pv::data::LogicSnapshot> &snapshot =
snapshots.front();
+ double samplerate = _data->get_samplerate();
+
+ // Show sample rate as 1Hz when it is unknown
+ if (samplerate == 0.0)
+ samplerate = 1.0;
+
const double pixels_offset = offset / scale;
- const double samplerate = _data->get_samplerate();
const double start_time = _data->get_start_time();
const int64_t last_sample = snapshot->get_sample_count() - 1;
const double samples_per_pixel = samplerate * scale;
const double start = samplerate * (offset - start_time);
- const double end = start + samples_per_pixel * rect.width();
+ const double end = start + samples_per_pixel * (right - left);
snapshot->get_subsampled_edges(edges,
min(max((int64_t)floor(start), (int64_t)0), last_sample),
edges.begin() + 1;
i != edges.end() - 1; i++) {
const float x = ((*i).first / samples_per_pixel -
- pixels_offset) + rect.left();
+ pixels_offset) + left;
*line++ = QLineF(x, high_offset, x, low_offset);
}
p.setPen(HighColour);
paint_caps(p, cap_lines, edges, true, samples_per_pixel,
- pixels_offset, rect.left(), high_offset);
+ pixels_offset, left, high_offset);
p.setPen(LowColour);
paint_caps(p, cap_lines, edges, false, samples_per_pixel,
- pixels_offset, rect.left(), low_offset);
+ pixels_offset, left, low_offset);
delete[] cap_lines;
}
p.drawLines(lines, line - lines);
}
-int LogicSignal::get_nominal_offset(const QRect &rect) const
-{
- return rect.bottom();
-}
-
} // namespace view
} // namespace pv