namespace pv {
namespace view {
-AnalogSignal::AnalogSignal(QString name, shared_ptr<data::Analog> data) :
+const QColor AnalogSignal::SignalColours[4] = {
+ QColor(0xC4, 0xA0, 0x00), // Yellow
+ QColor(0x87, 0x20, 0x7A), // Magenta
+ QColor(0x20, 0x4A, 0x87), // Blue
+ QColor(0x4E, 0x9A, 0x06) // Green
+};
+
+AnalogSignal::AnalogSignal(QString name, shared_ptr<data::Analog> data,
+ int probe_index) :
Signal(name),
_data(data)
{
- _colour = Qt::blue;
+ _colour = SignalColours[probe_index % countof(SignalColours)];
}
void AnalogSignal::paint(QPainter &p, int y, int left, int right, double scale,
(int64_t)0), last_sample);
const int64_t end_sample = min(max((int64_t)ceil(end),
(int64_t)0), last_sample);
+ const int64_t sample_count = end_sample - start_sample;
- const float* samples = snapshot->get_samples();
+ const float* samples = snapshot->get_samples(
+ start_sample, end_sample);
assert(samples);
- QPointF *points = new QPointF[end_sample - start_sample];
+ QPointF *points = new QPointF[sample_count];
QPointF *point = points;
for (int64_t sample = start_sample;
sample != end_sample; sample++) {
const float x = (sample / samples_per_pixel -
pixels_offset) + left;
- *point++ = QPointF(x, samples[sample] + y);
+ *point++ = QPointF(x,
+ samples[sample - start_sample] + y);
}
p.setPen(_colour);