viewitempaintparams.hpp

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/*
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef PULSEVIEW_PV_VIEW_VIEWITEMPAINTPARAMS_HPP
#define PULSEVIEW_PV_VIEW_VIEWITEMPAINTPARAMS_HPP

#include "pv/util.hpp"

#include <QFont>
#include <QRect>

namespace pv {
namespace view {

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>();
    }

public:
    static QFont font();

    static int text_height();

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

} // namespace view
} // namespace pv

#endif // PULSEVIEW_PV_VIEW_VIEWITEMPAINTPARAMS_HPP