/***************************************************************************
* BGraph.h Graph plotter
* T.Barnaby, BEAM Ltd, 2007-05-31
***************************************************************************
*/
#ifndef BGraph_H
#define BGraph_H 1
#include <BString.h>
#include <BArray.h>
#include <qgrid.h>
#include <qhbox.h>
#include <qvbox.h>
#include <qtimer.h>
#include <qpointarray.h>
#include <qlabel.h>
class BGraph;
class BGraphPlot : public QWidget {
public:
BGraphPlot(QWidget* parent, BGraph* cp);
protected:
void resizeEvent(QResizeEvent* event);
void paintEvent(QPaintEvent* event);
private:
BGraph* ocp;
};
class BGraph: public QGrid {
Q_OBJECT
public:
enum GainMode { AUTO, FIXED };
enum PlotType { LINES, POINTS };
BGraph(QWidget* parent);
~BGraph();
void setData(BArray<float> data); ///< Set Plot data
void getData(BArray<float>& data); ///< Get Plot data
void setPlotType(PlotType plotType);
void setGrid(int xStep, int yStep);
void setXLabel(BString label);
void setYLabel(BString label);
void setYRange(double min, double max); ///< Sets the YRange, optional
void setXRange(double min, double max); ///< Sets the YRange, optional
void setYLabelWidth(int width);
void getXRange(double& min, double& max);
void redraw(); ///< Re-draw the plot
void drawLabels();
void drawGrid();
void drawPlot();
public slots:
void clear(); ///< Clear the plot and all data
private:
PlotType oplotType;
double oxRangeMin;
double oxRangeMax;
double oyRangeMin;
double oyRangeMax;
double oyMinValue;
double oxMaxValue;
double oxMinValue;
double oyMaxValue;
BString oxLabel;
BString oyLabel;
BArray<float> odata; ///< The data buffer
int oxGridStep;
int oyGridStep;
QWidget* oyLabelBox; ///< The Y label widget
QWidget* ocorner; ///< The Corner widget
QWidget* oxLabelBox; ///< The X label widget
QHBox* oplotFrame; ///< The frame around the plot
BGraphPlot* oplot; ///< The actual plot
QPointArray opoints; ////< Temporary array for polt updates
QColor ocolor; ///< The graph draw colour
};
#endif