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