CMakeLists.txt: Fix typo.

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

/*
 * 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
 */

#ifndef PULSEVIEW_PV_ANALOGSIGNAL_H
#define PULSEVIEW_PV_ANALOGSIGNAL_H

#include "signal.h"

#include <boost/shared_ptr.hpp>

namespace pv {

namespace data {
class Analog;
}

namespace view {

class AnalogSignal : public Signal
{
public:
	AnalogSignal(QString name,
		boost::shared_ptr<pv::data::Analog> data);

	/**
	 * 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.
	 **/
	void paint(QPainter &p, const QRect &rect,
		double scale, double offset);

private:

	/**
	 * When painting into the rectangle, calculate the y
	 * offset of the zero point.
	 **/
	int get_nominal_offset(const QRect &rect) const;

private:
	boost::shared_ptr<pv::data::Analog> _data;
};

} // namespace view
} // namespace pv

#endif // PULSEVIEW_PV_ANALOGSIGNAL_H