LineProfileTool.h

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/***************************************************************************
    File                 : LineProfileTool.h
    Project              : SciDAVis
    --------------------------------------------------------------------
    Copyright            : (C) 2006,2007 by Ion Vasilief,
                           Tilman Benkert, Knut Franke
    Email (use @ for *)  : ion_vasilief*yahoo.fr, thzs*gmx.net,
                           knut.franke*gmx.de
    Description          : Plot tool for calculating intensity profiles of
                           image markers.

 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *  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 Street, Fifth Floor,                    *
 *   Boston, MA  02110-1301  USA                                           *
 *                                                                         *
 ***************************************************************************/
#ifndef LINE_PROFILE_TOOL_H
#define LINE_PROFILE_TOOL_H

#include "PlotToolInterface.h"
#include "core/column/Column.h"

#include <QWidget>

class QPoint;
class QImage;
class ImageMarker;

class LineProfileTool : public QWidget, public PlotToolInterface
{
    Q_OBJECT

    public:
        LineProfileTool(Graph *graph, int average_pixels);
        virtual RTTI rtti() const { return LineProfile; }
        void calculateLineProfile(const QPoint &start, const QPoint &end);

    signals:
        void statusText(const QString&);
        void createTablePlot(const QString&,const QString&,QList<Column*>);

    protected:
        int averageImagePixel(const QImage &image, int px, int py, bool moreHorizontal);
        void addLineMarker(const QPoint &start, const QPoint &end);
        virtual void paintEvent(QPaintEvent *e);
        virtual void mousePressEvent(QMouseEvent *e);
        virtual void mouseMoveEvent(QMouseEvent *e);
        virtual void mouseReleaseEvent(QMouseEvent *e);

    private:
        int d_average_pixels;
        ImageMarker *d_target;
        QPoint d_op_start;
        QPoint d_op_dp;
};

#endif // ifndef LINE_PROFILE_TOOL_H