Moved all classes into the pv namespace

[pulseview.git] / pv / signal.h

diff --git a/pv/signal.h b/pv/signal.h
new file mode 100644 (file)
index 0000000..2351a2f
--- /dev/null
+++ b/pv/signal.h
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <boost/shared_ptr.hpp>
+
+#include <QPainter>
+#include <QRect>
+#include <QString>
+
+#include <stdint.h>
+
+namespace pv {
+
+class SignalData;
+
+class Signal
+{
+private:
+       static const QSizeF LabelPadding;
+
+protected:
+       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;
+};
+
+} // namespace pv