/*
- * This file is part of the sigrok project.
+ * This file is part of the PulseView project.
*
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
*
*/
#include <boost/shared_ptr.hpp>
+
+#include <QPainter>
+#include <QRect>
#include <QString>
+
#include <stdint.h>
class SignalData;
class Signal
{
+private:
+ static const QSizeF LabelPadding;
+
protected:
- Signal(QString name, boost::shared_ptr<SignalData> data);
+ Signal(QString name);
public:
QString get_name() const;
+ /**
+ * Paints the signal with a QPainter
+ * @param p the QPainter to paint into.
+ * @param rect the rectangular area to draw the trace into.
+ * @param scale the scale in seconds per pixel.
+ * @param offset the time to show at the left hand edge of
+ * the view in seconds.
+ **/
+ virtual void paint(QPainter &p, const QRect &rect, double scale,
+ double offset) = 0;
+
+ /**
+ * Paints the signal label into a QGLWidget.
+ * @param p the QPainter to paint into.
+ * @param rect the rectangular area to draw the label into.
+ */
+ virtual void paint_label(QPainter &p, const QRect &rect);
+
+protected:
+
+ /**
+ * Get the colour of the logic signal
+ */
+ virtual QColor get_colour() const = 0;
+
+ /**
+ * When painting into the rectangle, calculate the y
+ * offset of the zero point.
+ **/
+ virtual int get_nominal_offset(const QRect &rect) const = 0;
+
protected:
QString _name;
- boost::shared_ptr<SignalData> _data;
};