Don't use std:: in the code directly (where possible).

[pulseview.git] / pv / view / logicsignal.cpp

diff --git a/pv/view/logicsignal.cpp b/pv/view/logicsignal.cpp
index cb170fe0b45a1a7da62aa7c8d0a559e3ad74c735..f78170b01a30a0028a95befaf7665e7d8a33e649 100644 (file)
--- a/pv/view/logicsignal.cpp
+++ b/pv/view/logicsignal.cpp
@@ -38,6 +38,7 @@
 #include <pv/data/logicsegment.hpp>
 #include <pv/data/signalbase.hpp>
 #include <pv/view/view.hpp>
+#include <pv/globalsettings.hpp>
 
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
@@ -45,6 +46,7 @@ using std::deque;
 using std::max;
 using std::make_pair;
 using std::min;
+using std::none_of;
 using std::pair;
 using std::shared_ptr;
 using std::vector;
@@ -66,6 +68,7 @@ const float LogicSignal::Oversampling = 2.0f;
 const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
+const QColor LogicSignal::SamplingPointColour(0x77, 0x77, 0x77);
 
 const QColor LogicSignal::SignalColours[10] = {
        QColor(0x16, 0x19, 0x1A),       // Black
@@ -134,7 +137,7 @@ shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
        return base_->logic_data();
 }
 
-std::pair<int, int> LogicSignal::v_extents() const
+pair<int, int> LogicSignal::v_extents() const
 {
        const int signal_margin =
                QFontMetrics(QApplication::font()).height() / 2;
@@ -227,6 +230,30 @@ void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
                pixels_offset, pp.left(), low_offset);
 
        delete[] cap_lines;
+
+       // Return if we don't need to paint the sampling points
+       GlobalSettings settings;
+       const bool show_sampling_points =
+               settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
+
+       if (!show_sampling_points || (samples_per_pixel >= 0.25))
+               return;
+
+       // Paint the sampling points
+       const uint64_t sampling_points_count = end_sample - start_sample + 1;
+       QRectF *const sampling_points = new QRectF[sampling_points_count];
+       QRectF *sampling_point = sampling_points;
+
+       const int w = 1;
+       const float y_middle = high_offset - ((high_offset - low_offset) / 2);
+       for (uint64_t i = start_sample; i < end_sample + 1; ++i) {
+               const float x = (i / samples_per_pixel - pixels_offset) + pp.left();
+               *sampling_point++ = QRectF(x - (w / 2), y_middle - (w / 2), w, w);
+       }
+
+       p.setPen(SamplingPointColour);
+       p.drawRects(sampling_points, sampling_points_count);
+       delete[] sampling_points;
 }
 
 void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
@@ -420,7 +447,7 @@ void LogicSignal::modify_trigger()
        if (trigger) {
                for (auto stage : trigger->stages()) {
                        const auto &matches = stage->matches();
-                       if (std::none_of(matches.begin(), matches.end(),
+                       if (none_of(matches.begin(), matches.end(),
                            [&](shared_ptr<TriggerMatch> match) {
                                        return match->channel() != base_->channel(); }))
                                continue;