Speed up analog trace painting

[pulseview.git] / pv / view / analogsignal.hpp

diff --git a/pv/view/analogsignal.hpp b/pv/view/analogsignal.hpp
index 5283a2c5e569d949ad9112da048432eeb7c87120..5ea24039108908c6b2425146854b7488bfe8fd9a 100644 (file)
--- a/pv/view/analogsignal.hpp
+++ b/pv/view/analogsignal.hpp
@@ -49,6 +49,7 @@ private:
        static const QColor GridMajorColor, GridMinorColor;
        static const QColor SamplingPointColour;
 
+       static const int64_t TracePaintBlockSize;
        static const float EnvelopeThreshold;
 
        static const int MaximumVDivs;
@@ -128,6 +129,13 @@ private:
                int y, int left, const int64_t start, const int64_t end,
                const double pixels_offset, const double samples_per_pixel);
 
+       void paint_logic_mid(QPainter &p, const ViewItemPaintParams &pp);
+
+       void paint_logic_caps(QPainter &p, QLineF *const lines,
+               vector< pair<int64_t, bool> > &edges,
+               bool level, double samples_per_pixel, double pixels_offset,
+               float x_offset, float y_offset);
+
        /**
         * Computes the scale factor from the scale index and vdiv settings.
         */
@@ -135,6 +143,8 @@ private:
 
        void update_scale();
 
+       void update_conversion_type();
+
        void perform_autoranging(bool force_update = false);
 
 protected:
@@ -152,6 +162,8 @@ private Q_SLOTS:
 
        void on_conversion_changed(int index);
 
+       void on_display_type_changed(int index);
+
 private:
        QComboBox *resolution_cb_, *conversion_cb_, *display_type_cb_;