00001 /*************************************************************************** 00002 ** 00003 ** This file is part of QGpGuiTools. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created : 2003-10-23 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (ULg, Liège, Belgium) 00025 ** Marc Wathelet (LGIT, Grenoble, France) 00026 ** 00027 ***************************************************************************/ 00028 00029 #ifndef COLORHISTOGRAM_H 00030 #define COLORHISTOGRAM_H 00031 00032 #include <QtGui> 00033 #include "QGpGuiToolsDLLExport.h" 00034 00035 namespace QGpGuiTools { 00036 00037 #define TEXT_WIDTH 50 00038 #define COLOR_WIDTH 50 00039 #define COLOR_HEIGHT 15 00040 00041 class QGPGUITOOLS_EXPORT ColorHistogram : public QWidget 00042 { 00043 Q_OBJECT 00044 public: 00045 ColorHistogram(QRgb * colors, int * values, int num, QWidget *parent=0); 00046 ~ColorHistogram(); 00047 void resizeEvent(QResizeEvent * e); 00048 void paintEvent(QPaintEvent * e); 00049 protected: 00050 QScrollBar sBar; 00051 int _numColors; 00052 int * _values; 00053 QRgb * _colors; 00054 int _maxVal; 00055 public slots: 00056 void scrollChanged(int); 00057 }; 00058 00059 } // namespace QGpGuiTools 00060 00061 #endif // COLORHISTOGRAM_H
