QtiPlot 0.9.7.3
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00001 /*************************************************************************** 00002 File : QwtHistogram.h 00003 Project : QtiPlot 00004 -------------------------------------------------------------------- 00005 Copyright : (C) 2006 - 2009 by Ion Vasilief 00006 Email (use @ for *) : ion_vasilief*yahoo.fr 00007 Description : Histogram class 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 #include "QwtBarCurve.h" 00030 00031 class Matrix; 00032 00034 class QwtHistogram: public QwtBarCurve 00035 { 00036 public: 00037 QwtHistogram(Table *t, const QString& name, int startRow = 0, int endRow = -1); 00038 QwtHistogram(Matrix *m); 00039 00040 void copy(QwtHistogram *h); 00041 00042 QwtDoubleRect boundingRect() const; 00043 00044 void setBinning(bool autoBin, double size, double begin, double end); 00046 void setBinning(double binSize, double begin, double end); 00047 00048 bool autoBinning(){return d_autoBin;}; 00050 void setAutoBinning(bool autoBin = true); 00051 00052 double begin(){return d_begin;}; 00053 double end(){return d_end;}; 00054 double binSize(){return d_bin_size;}; 00055 00056 void loadData(); 00057 00058 double mean(){return d_mean;}; 00059 double standardDeviation(){return d_standard_deviation;}; 00060 double minimum(){return d_min;}; 00061 double maximum(){return d_max;}; 00062 00063 Matrix* matrix(){return d_matrix;}; 00064 00065 private: 00066 void draw(QPainter *painter,const QwtScaleMap &xMap, 00067 const QwtScaleMap &yMap, int from, int to) const; 00068 00069 void loadDataFromMatrix(); 00070 Matrix *d_matrix; 00071 00072 bool d_autoBin; 00073 double d_bin_size, d_begin, d_end; 00074 00076 double d_mean, d_standard_deviation, d_min, d_max; 00077 };