X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Ftrace.h;h=07f90f4c92734e718f085f7b9b0bc0fc1d913564;hp=ffd87fa45524feae6e5d2cade3d3ef86cdb368da;hb=fe08b6e8a85c80ae738757f7d85aa38ef7c4bdc3;hpb=9472f4476b27336e9187635015169e308bfe8af7

diff --git a/pv/view/trace.h b/pv/view/trace.h
index ffd87fa..07f90f4 100644
--- a/pv/view/trace.h
+++ b/pv/view/trace.h
@@ -23,6 +23,7 @@
 
 #include <QColor>
 #include <QPainter>
+#include <QPen>
 #include <QRect>
 #include <QString>
 
@@ -43,6 +44,7 @@ class Trace : public SelectableItem
 	Q_OBJECT
 
 private:
+	static const QPen AxisPen;
 	static const int LabelHitPadding;
 
 protected:
@@ -87,12 +89,28 @@ public:
 	virtual 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
 	 **/
-	virtual void paint(QPainter &p, int left, int right) = 0;
+	virtual 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 left the x-coordinate of the left edge of the signal
+	 * @param right the x-coordinate of the right edge of the signal
+	 **/
+	virtual void paint_mid(QPainter &p, int left, int right);
+
+	/**
+	 * Paints the foreground 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
+	 **/
+	virtual void paint_fore(QPainter &p, int left, int right);
 
 	/**
 	 * Paints the signal label into a QGLWidget.
@@ -113,6 +131,21 @@ public:
 	 */
 	bool pt_in_label_rect(int left, int right, const QPoint &point);
 
+protected:
+	/**
+	 * Gets the y-offset of the axis.
+	 */
+	int get_y() const;
+
+	/**
+	 * Paints a zero axis across the viewport.
+	 * @param p the QPainter to paint into.
+	 * @param y the y-offset of the axis.
+	 * @param left the x-coordinate of the left edge of the view.
+	 * @param right the x-coordinate of the right edge of the view.
+	 */
+	void paint_axis(QPainter &p, int y, int left, int right);
+
 private:
 
 	/**