ColorMapEditor.h

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00001 /***************************************************************************
00002     File                 : ColorMapEditor.h
00003     Project              : QtiPlot
00004 --------------------------------------------------------------------
00005     Copyright            : (C) 2006 by Ion Vasilief
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr
00007     Description          : A QwtLinearColorMap Editor Widget
00008  ***************************************************************************/
00009 
00010 /***************************************************************************
00011  *                                                                         *
00012  *  This program is free software; you can redistribute it and/or modify   *
00013  *  it under the terms of the GNU General Public License as published by   *
00014  *  the Free Software Foundation; either version 2 of the License, or      *
00015  *  (at your option) any later version.                                    *
00016  *                                                                         *
00017  *  This program is distributed in the hope that it will be useful,        *
00018  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
00019  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
00020  *  GNU General Public License for more details.                           *
00021  *                                                                         *
00022  *   You should have received a copy of the GNU General Public License     *
00023  *   along with this program; if not, write to the Free Software           *
00024  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
00025  *   Boston, MA  02110-1301  USA                                           *
00026  *                                                                         *
00027  ***************************************************************************/
00028 #ifndef COLORMAPEDITOR_H
00029 #define COLORMAPEDITOR_H
00030 
00031 #include <QWidget>
00032 #include <qwt_color_map.h>
00033 
00034 class QPushButton;
00035 class QTableWidget;
00036 class QCheckBox;
00037 
00038 class ColorMapEditor: public QWidget
00039 {
00040     Q_OBJECT
00041 
00042 public:
00043     ColorMapEditor(QWidget* parent=0);
00044     
00045     QwtLinearColorMap colorMap(){return color_map;};
00046     void setColorMap(const QwtLinearColorMap& map);
00047 
00048     void setRange(double min, double max);
00049 
00050 protected slots:
00051     void updateColorMap();
00052     void validateLevel(int row, int col);
00053     void enableButtons(int row, int col, int = 0, int = 0);
00054     void showColorDialog(int row, int col);
00055     void insertLevel();
00056     void deleteLevel();
00057     void setScaledColors(bool scale = true);
00058 
00059     bool eventFilter(QObject *object, QEvent *e);
00060 
00061 private:
00062     QTableWidget *table;    
00063     QPushButton *insertBtn, *deleteBtn;
00064     QCheckBox *scaleColorsBox;
00065 
00067     QwtLinearColorMap color_map;
00068 
00070     double min_val, max_val;
00071 };
00072    
00073 #endif

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