QtiPlot 0.9.7.3
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00001 /*************************************************************************** 00002 File : QwtBarCurve.h 00003 Project : QtiPlot 00004 -------------------------------------------------------------------- 00005 Copyright : (C) 2006 by Ion Vasilief 00006 Email (use @ for *) : ion_vasilief*yahoo.fr 00007 Description : Bar curve 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 BARCURVE_H 00030 #define BARCURVE_H 00031 00032 #include "PlotCurve.h" 00033 #include <qwt_plot.h> 00034 00036 class QwtBarCurve: public DataCurve 00037 { 00038 public: 00039 enum BarStyle{Vertical = 0, Horizontal = 1}; 00040 QwtBarCurve(BarStyle style, Table *t, const QString& xColName, const QString& name, int startRow, int endRow); 00041 00042 void copy(const QwtBarCurve *b); 00043 00044 virtual QwtDoubleRect boundingRect() const; 00045 00046 BarStyle orientation(){return bar_style;}; 00047 00048 void setGap (int gap); 00049 int gap() const {return bar_gap;}; 00050 00051 void setOffset(int offset); 00052 int offset() const {return bar_offset;}; 00053 00054 double dataOffset(); 00055 00056 bool isStacked(){return d_is_stacked;}; 00057 void setStacked(bool on = true){d_is_stacked = on;}; 00058 00059 virtual QString saveToString(); 00060 00061 private: 00062 virtual void draw(QPainter *painter,const QwtScaleMap &xMap, 00063 const QwtScaleMap &yMap, int from, int to) const; 00064 00065 QList <QwtBarCurve *> stackedCurvesList() const; 00066 double stackOffset(int i, QList <QwtBarCurve *> stack) const; 00067 00068 int bar_offset; 00069 int bar_gap; 00070 bool d_is_stacked; 00071 BarStyle bar_style; 00072 }; 00073 00074 #endif