QtiPlot 0.9.7.3

SubtractLineTool.h

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00001 /***************************************************************************
00002     File                 : SubtractLineTool.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2010 by Ion Vasilief
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr
00007     Description          : Plot tool for substracting a straight line
00008 
00009  ***************************************************************************/
00010 
00011 /***************************************************************************
00012  *                                                                         *
00013  *  This program is free software; you can redistribute it and/or modify   *
00014  *  it under the terms of the GNU General Public License as published by   *
00015  *  the Free Software Foundation; either version 2 of the License, or      *
00016  *  (at your option) any later version.                                    *
00017  *                                                                         *
00018  *  This program is distributed in the hope that it will be useful,        *
00019  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
00020  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
00021  *  GNU General Public License for more details.                           *
00022  *                                                                         *
00023  *   You should have received a copy of the GNU General Public License     *
00024  *   along with this program; if not, write to the Free Software           *
00025  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
00026  *   Boston, MA  02110-1301  USA                                           *
00027  *                                                                         *
00028  ***************************************************************************/
00029 #ifndef SUBSTRACT_LINE_TOOL
00030 #define SUBSTRACT_LINE_TOOL
00031 
00032 #include "PlotToolInterface.h"
00033 #include <QObject>
00034 #include <QLineF>
00035 
00036 #include "ScreenPickerTool.h"
00037 
00038 class ApplicationWindow;
00039 class QwtPlotCurve;
00040 class QwtPlotMarker;
00041 
00044 class SubtractLineTool : public QObject, public PlotToolInterface
00045 {
00046     Q_OBJECT
00047     public:
00048         SubtractLineTool(Graph *graph, ApplicationWindow *app, const QObject *status_target, const char *status_slot);
00049         virtual ~SubtractLineTool();
00050 
00051         virtual int rtti() const {return PlotToolInterface::Rtti_SubtractLineTool;};
00052     signals:
00057         void statusText(const QString&);
00058     protected slots:
00059         void selectPoint(const QwtDoublePoint &pos);
00060 
00061     private:
00062         void finalize();
00063         int d_selected_points;
00064         ScreenPickerTool *d_picker_tool;
00065         QwtPlotMarker *d_first_point_marker;
00066         QLineF d_line;
00067 };
00068 
00069 #endif