cPatternSimulatorSceneWidget.h

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#ifndef _CPATTERNSIMULATORSCENEWIDGET_H
#define _CPATTERNSIMULATORSCENEWIDGET_H
 
#include <iostream>
#include <QWidget>
#include <QGraphicsView>
 
#include "core/cTheoreticalSpectrum.h"
 
 
using namespace std;
 
 
// forward declaration
class QPaintEvent;
class QGraphicsScene;
class QMatrix;
class QGraphicsItemGroup;
class QGraphicsRectItem;
class QGraphicsSimpleTextItem;
 
 
double computeGaussFunction(double x, double a, double ny, double sigma);
 
 
double computeGaussHeight(double x, double y, double ny, double sigma);
 
 
class cPatternSimulatorSceneWidget : public QGraphicsView
{
    Q_OBJECT
 
public:
 
 
    cPatternSimulatorSceneWidget(QWidget* parent = 0);
 
 
    ~cPatternSimulatorSceneWidget();
 
 
    void initialize(cPeaksList isotopicpattern, double fwhm);
 
 
    void exportToPDF(QString filename, bool postscript);
 
 
    void exportToSVG(QString filename);
 
 
    void exportToPNG(QString filename);
 
 
    void hidePeakLabels(bool state);
 
 
protected:
 
 
    void wheelEvent(QWheelEvent *event);
 
 
    void mouseMoveEvent(QMouseEvent *event);
 
 
    void mouseReleaseEvent(QMouseEvent *event);
 
 
    void mousePressEvent(QMouseEvent *event);
 
 
    void showEvent(QShowEvent *event);
 
 
    void resizeEvent(QResizeEvent *event);
 
 
private:
 
    QWidget* parent;
    QGraphicsScene* scene;
    QMatrix originalmatrix;
 
    QGraphicsItemGroup* zoomgroup;
    QGraphicsRectItem* zoomrect;
    QGraphicsSimpleTextItem* zoomsimpletextitem;
 
    QGraphicsSimpleTextItem* cursorsimpletextitem;
 
    cPeaksList isotopicpattern;
 
    qreal currentscale;
    qreal factor;
 
    int origwidth;
    int origheight;
 
    bool calledbyresizeevent;
    deque<int> oldwidth;
    deque<int> oldheight;
 
    bool absoluteintensity;
    bool rawdatastate;
    bool hidelabels;
 
    int pressedx;
    int pressedy;
 
    int currentx;
    int currenty;
 
    double minmzratio;
    double maxmzratio;
 
    int topmargin;
    int bottommargin;
    int leftmargin;
    int rightmargin;
 
    bool firstshow;
    bool enablemousemzselection;
 
    double mzoverhead;
    double fwhm;
 
 
    double getMZRatioFromXPosition(int x, int w);
 
 
    int getXPositionFromMZRatio(double mzratio, int w);
 
 
    double getIntensityFromYPosition(int y, int h);
 
 
    int getYPositionFromIntensity(double intensity, int h);
 
 
    void redrawScene();
 
 
    void updateZoomGroup();
 
 
    void calculateMinMaxMZ();
 
 
    double getMaximumIntensity();
 
 
signals:
 
 
    void updateMZInterval(double minmz, double maxmz);
 
 
private slots:
 
 
    void zoomIn();
 
 
    void zoomOut();
 
    
    void normalSize();
 
 
    void absoluteIntensityStateChanged(bool state);
 
 
    void rawDataStateChanged(bool state);
 
    
    void setMZInterval(double minmz, double maxmz);
 
 
    void resetMZInterval();
 
 
    void enableMouseMzSelectionTool(bool enable);
 
};
 
#endif