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#ifndef FILTER_H
#define FILTER_H
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <qwidget.h>
#include <qstring.h>
#include <qlabel.h>
#include <qsizepolicy.h>
#include <qsize.h>
#include <qtimer.h>
#include "synthdata.h"
#define FILTER_MINIMUM_WIDTH 100
#define FILTER_MINIMUM_HEIGHT 50
class Filter : public QWidget
{
Q_OBJECT
private:
SynthData *synthdata;
QTimer *qtimer;
float *cutoffRef, *resonanceRef, *risingRef, *fallingRef, *hwidthRef, *smoothnessRef;
protected:
virtual void paintEvent(QPaintEvent *);
virtual void resizeEvent (QResizeEvent* );
public:
Filter(float *p_cutoffRef, float *p_resonanceRef, float *p_risingRef, float *p_fallingRef,
float *p_hwidthRef, float *p_smoothnessRef,
QWidget* parent=0, const char *name=0, SynthData *p_synthdata=0);
~Filter();
virtual QSize sizeHint() const;
virtual QSizePolicy sizePolicy() const;
float logfilt(float logf, float cutoff, float resonance, float rising, float falling,
float hwidth, float smoothness);
float filt(float f, float cutoff, float resonance, float rising, float falling,
float hwidth, float smoothness);
public slots:
void updateFilter(int value);
void repaintFilter();
};
#endif
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