[pulseview.git] / pv / views / trace / viewitempaintparams.hpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2014 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMPAINTPARAMS_HPP
#define PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMPAINTPARAMS_HPP

#include "pv/util.hpp"

#include <QFont>
#include <QRect>

namespace pv {
namespace views {
namespace trace {

class ViewItemPaintParams
{
public:
	ViewItemPaintParams(
		const QRect &rect, double scale, const pv::util::Timestamp& offset);

	QRect rect() const {
		return rect_;
	}

	double scale() const {
		return scale_;
	}

	const pv::util::Timestamp& offset() const {
		return offset_;
	}

	int left() const {
		return rect_.left();
	}

	int right() const {
		return rect_.right();
	}

	int top() const {
		return rect_.top();
	}

	int bottom() const {
		return rect_.bottom();
	}

	int width() const {
		return rect_.width();
	}

	int height() const {
		return rect_.height();
	}

	double pixels_offset() const {
		return (offset_ / scale_).convert_to<double>();
	}

	bool next_bg_color_state() {
		const bool state = bg_color_state_;
		bg_color_state_ = !bg_color_state_;
		return state;
	}

public:
	static QFont font();

	static int text_height();

private:
	QRect rect_;
	double scale_;
	pv::util::Timestamp offset_;
	bool bg_color_state_;
};

} // namespace trace
} // namespace views
} // namespace pv

#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMPAINTPARAMS_HPP
Commit	Line	Data
	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMPAINTPARAMS_HPP
	21	#define PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMPAINTPARAMS_HPP
	22
	23	#include "pv/util.hpp"
	24
	25	#include <QFont>
	26	#include <QRect>
	27
	28	namespace pv {
	29	namespace views {
	30	namespace trace {
	31
	32	class ViewItemPaintParams
	33	{
	34	public:
	35	ViewItemPaintParams(
	36	const QRect &rect, double scale, const pv::util::Timestamp& offset);
	37
	38	QRect rect() const {
	39	return rect_;
	40	}
	41
	42	double scale() const {
	43	return scale_;
	44	}
	45
	46	const pv::util::Timestamp& offset() const {
	47	return offset_;
	48	}
	49
	50	int left() const {
	51	return rect_.left();
	52	}
	53
	54	int right() const {
	55	return rect_.right();
	56	}
	57
	58	int top() const {
	59	return rect_.top();
	60	}
	61
	62	int bottom() const {
	63	return rect_.bottom();
	64	}
	65
	66	int width() const {
	67	return rect_.width();
	68	}
	69
	70	int height() const {
	71	return rect_.height();
	72	}
	73
	74	double pixels_offset() const {
	75	return (offset_ / scale_).convert_to<double>();
	76	}
	77
	78	bool next_bg_color_state() {
	79	const bool state = bg_color_state_;
	80	bg_color_state_ = !bg_color_state_;
	81	return state;
	82	}
	83
	84	public:
	85	static QFont font();
	86
	87	static int text_height();
	88
	89	private:
	90	QRect rect_;
	91	double scale_;
	92	pv::util::Timestamp offset_;
	93	bool bg_color_state_;
	94	};
	95
	96	} // namespace trace
	97	} // namespace views
	98	} // namespace pv
	99
	100	#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMPAINTPARAMS_HPP