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/**
* @author Mark Larkin, Conway Institute, UCD. mark.larkin@ucd.ie
*
* Changes:
*
* 16-01-07,Nigel Brown(EMBL): added drawContents() called by paintEvent().
*
* 20-02-07,Nigel Brown(EMBL): constructor and updateBoxSize() parameters
* reordered.
*
* 12-4-07, Mark Larkin : Changed destructor. We dont need to delete QObjects.
*
* 16-04-07,Nigel Brown(EMBL): removed destructor; arrayOfHeights not
* allocated here.
****************************************************************************/
#ifndef HISTOGRAMWIDGET_H
#define HISTOGRAMWIDGET_H
#include <QFont>
class QImage;
//class QPixmap;
#include <QPixmap> // Mark 20-4-2007
class QPoint;
class QSize;
class QString;
class QWidget;
#include <vector>
#include <QLabel>
/**
* The HistogramWidget class displays a graphical histogram. It also displays a ruler.
*/
class HistogramWidget : public QWidget
{
Q_OBJECT
public:
HistogramWidget(int boxWidth, int boxSize, QWidget *parent = 0);
QSize sizeHint() const;
void addHistogramInfo(std::vector<int>* histogramValues);
void clearHistogram();
const std::vector<int>* getColumnScores(){return arrayOfHeights;}
public slots:
void updateBoxSize(int boxWidth, int boxSize);
void updateSizeHint();
signals:
void characterSelected(const QString &character);
protected:
void paintEvent(QPaintEvent *event);
void drawContents(QPainter *p, int cx, int cy, int cw, int ch); //nige
//void mousePressEvent(QMouseEvent *event); //nige test
private:
void calculateHistogramBars();
QFont rulerFont;
int alignLength;
int heightAllowed;
int boxSize;
int boxWidth;
float heightOfBox;
std::vector<int>* arrayOfHeights;
QVector<QPixmap> histogramBars;
int displayStartPos;
int offSetFromTop;
int extraWhiteSpace;
QColor *rulerColor;
int lengthSmallBar;
int lengthLargeBar;
bool isSet;
};
#endif
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