blokbox/spectrograph.h.ok at master · vinydanylo/blokbox · GitHub

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#ifndef SPECTROGRAPH_H
#define SPECTROGRAPH_H
#include "abstractspectrograph.h"

#include <QWidget>
#include <QPainter>
#include <QBrush>
#include <QColor>
#include <QMouseEvent>
#include <QVector>
#include <QDebug>
#include <QTimer>
#include <QAction>

using namespace std;

#define NUM_BANDS 60

class Spectrograph : public AbstractSpectrograph
{
  Q_OBJECT
public:
  // see description in spectrograph.cpp

  explicit Spectrograph(QWidget *parent = 0);
  ~Spectrograph();
signals:

protected:
  void paintEvent(QPaintEvent *e);
  void resizeEvent(QResizeEvent *e);
  void contextMenuEvent(QContextMenuEvent *e);
  void timerEvent(QTimerEvent *e);
protected slots:
  void selectBarColor(void);
  void selectBackColor(void);
  void selectRandColor(void);
  void selectStyleBar(void);
  void selectSuavity(void);
  //void forma (void);

public slots:
  void loadSamples(QVector<double> &_spectrum);
  void loadLevels(double left, double right);

private:
  // stores the fft spectrum to be displayed
  QVector<double> spectrum;

  // left and right mean audio levels
  double leftLevel, rightLevel;

  // brushes for background and bars
  QBrush backgroundBrush, barBrush,barStyleBrush;

  // bar color
  QColor barColor;
  QColor backColor;
  // color action to activate context menu
  QAction *colorAction;
  QAction *colorBack;
  QAction *colorRandom;
  QAction *styleBar;
  QAction *suavity_onoff;

  // some variables
  float barSpacing, barWidth, myHeight;
};

#endif // SPECTROGRAM_H