QtiPlot  0.9.8.2
SubtractLineTool.h
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1 /***************************************************************************
2  File : SubtractLineTool.h
3  Project : QtiPlot
4  --------------------------------------------------------------------
5  Copyright : (C) 2010 by Ion Vasilief
6  Email (use @ for *) : ion_vasilief*yahoo.fr
7  Description : Plot tool for substracting a straight line
8 
9  ***************************************************************************/
10 
11 /***************************************************************************
12  * *
13  * This program is free software; you can redistribute it and/or modify *
14  * it under the terms of the GNU General Public License as published by *
15  * the Free Software Foundation; either version 2 of the License, or *
16  * (at your option) any later version. *
17  * *
18  * This program is distributed in the hope that it will be useful, *
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
21  * GNU General Public License for more details. *
22  * *
23  * You should have received a copy of the GNU General Public License *
24  * along with this program; if not, write to the Free Software *
25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, *
26  * Boston, MA 02110-1301 USA *
27  * *
28  ***************************************************************************/
29 #ifndef SUBSTRACT_LINE_TOOL
30 #define SUBSTRACT_LINE_TOOL
31 
32 #include "PlotToolInterface.h"
33 #include <QObject>
34 #include <QLineF>
35 
36 #include "ScreenPickerTool.h"
37 
38 class ApplicationWindow;
39 class QwtPlotCurve;
40 class QwtPlotMarker;
41 
44 class SubtractLineTool : public QObject, public PlotToolInterface
45 {
46  Q_OBJECT
47  public:
48  SubtractLineTool(Graph *graph, ApplicationWindow *app, const QObject *status_target, const char *status_slot);
49  virtual ~SubtractLineTool();
50 
51  virtual int rtti() const {return PlotToolInterface::Rtti_SubtractLineTool;};
52  signals:
57  void statusText(const QString&);
58  protected slots:
59  void selectPoint(const QwtDoublePoint &pos);
60 
61  private:
62  void finalize();
65  QwtPlotMarker *d_first_point_marker;
66  QLineF d_line;
67 };
68 
69 #endif