Split signal painting into 3 layers

[pulseview.git] / pv / view / decodesignal.h

diff --git a/pv/view/decodesignal.h b/pv/view/decodesignal.h
index 755fefe6e5c0efca893b38743d8a6720806a5d87..271937b831d87410d202776f83bfd5c6bc0e0033 100644 (file)
--- a/pv/view/decodesignal.h
+++ b/pv/view/decodesignal.h
@@ -35,6 +35,8 @@ namespace view {
 
 class DecodeSignal : public Trace
 {
+       Q_OBJECT
+
 public:
        DecodeSignal(pv::SigSession &session,
                boost::shared_ptr<pv::data::Decoder> decoder);
@@ -43,18 +45,23 @@ public:
 
        bool enabled() const;
 
+       void set_view(pv::view::View *view);
+
        /**
-        * Paints the trace with a QPainter
+        * Paints the background layer of the trace with a QPainter
+        * @param p the QPainter to paint into.
+        * @param left the x-coordinate of the left edge of the signal.
+        * @param right the x-coordinate of the right edge of the signal.
+        **/
+       void paint_back(QPainter &p, int left, int right);
+
+       /**
+        * Paints the mid-layer of the trace with a QPainter
         * @param p the QPainter to paint into.
-        * @param y the y-coordinate to draw the signal at
         * @param left the x-coordinate of the left edge of the signal
         * @param right the x-coordinate of the right edge of the signal
-        * @param scale the scale in seconds per pixel.
-        * @param offset the time to show at the left hand edge of
-        *   the view in seconds.
         **/
-       void paint(QPainter &p, int y, int left, int right,
-               double scale, double offset);
+       void paint_mid(QPainter &p, int left, int right);
 
        const std::list<QAction*> get_context_bar_actions();
 
@@ -68,6 +75,8 @@ private:
 
 private:
        boost::shared_ptr<pv::data::Decoder> _decoder;
+
+       uint64_t _decode_start, _decode_end;
 };
 
 } // namespace view