#include <boost/shared_ptr.hpp>
-#include <QGLWidget>
+#include <QPainter>
#include <QRect>
#include <QString>
class Signal
{
+private:
+ static const QSizeF LabelPadding;
+
protected:
Signal(QString name);
QString get_name() const;
/**
- * Paints the signal into a QGLWidget.
- * @param widget the QGLWidget to paint into.
+ * 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 femtoseconds per pixel.
+ * @param scale the scale in seconds per pixel.
* @param offset the time to show at the left hand edge of
- * the view in femtoseconds.
+ * 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 void paint(QGLWidget &widget, const QRect &rect,
- uint64_t scale, int64_t offset) = 0;
+ virtual int get_nominal_offset(const QRect &rect) const = 0;
protected:
QString _name;