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/***************************************************************************
* Copyright (C) 2006 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef MAINVISUAL_H
#define MAINVISUAL_H
#include <QWidget>
#include <QResizeEvent>
#include <visualization.h>
#include <constants.h>
#include "logscale.h"
class QSettings;
class QTimer;
class Buffer;
class VisualNode
{
public:
VisualNode(short *l, short *r, unsigned long n, unsigned long o)
: left(l), right(r), length(n), offset(o)
{
// left and right are allocated and then passed to this class
// the code that allocated left and right should give up all ownership
}
~VisualNode()
{
delete [] left;
delete [] right;
}
short *left, *right;
long length, offset;
};
class VisualBase
{
public:
virtual ~VisualBase() {}
// return true if the output should stop
virtual bool process( VisualNode *node ) = 0;
virtual void draw( QPainter *, const QColor & ) = 0;
virtual void resize( const QSize &size ) = 0;
virtual void configChanged( QSettings & ) = 0;
};
class StereoScope : public VisualBase
{
public:
StereoScope();
virtual ~StereoScope();
void resize( const QSize &size );
void configChanged(QSettings &settings);
bool process( VisualNode *node );
void draw( QPainter *p, const QColor &back );
protected:
QColor startColor, targetColor;
//QMemArray<double> magnitudes;
QVector <double> magnitudes;
QSize size;
bool rubberband;
double falloff;
int fps;
};
class MonoScope : public StereoScope
{
public:
MonoScope();
virtual ~MonoScope();
bool process( VisualNode *node );
void draw( QPainter *p, const QColor &back );
};
class MainVisual : public QWidget, public Visualization
{
Q_OBJECT
public:
MainVisual( QWidget *parent = 0, const char * = 0 );
virtual ~MainVisual();
//static Prefs *createPrefs( const QString &visualname,
// QWidget *parent, const char *name );
static MainVisual *getPointer();
VisualBase *visual() const { return vis; }
void setVisual( VisualBase *newvis );
//void setVisual( const QString &visualname );
void add(Buffer *, unsigned long, int, int);
void prepare();
void configChanged(QSettings &settings);
QSize minimumSizeHint() const { return sizeHint(); }
QSize sizeHint() const { return QSize(4*4*4*2, 3*3*3*2); }
void paintEvent( QPaintEvent * );
void resizeEvent( QResizeEvent * );
//void customEvent( QCustomEvent * );
static QStringList visuals();
void setFrameRate( int newfps );
int frameRate() const { return fps; }
protected:
void hideEvent ( QHideEvent *);
void showEvent ( QShowEvent *);
public slots:
void timeout();
private:
static MainVisual *pointer;
VisualBase *vis;
QPixmap pixmap;
//QPtrList<VisualNode> nodes;
QList <VisualNode*> nodes;
QTimer *timer;
bool playing;
int fps;
};
class Skin;
class StereoAnalyzer : public VisualBase
{
public:
StereoAnalyzer();
virtual ~StereoAnalyzer();
void resize( const QSize &size );
void configChanged(QSettings &settings);
bool process( VisualNode *node );
void draw( QPainter *p, const QColor &back );
protected:
QColor startColor, targetColor;
//QMemArray<QRect> rects;
QVector <QRect> rects;
QVector <double> magnitudes;
//QMemArray<double> magnitudes;
QSize size;
LogScale scale;
double scaleFactor, falloff;
int analyzerBarWidth, fps;
//rfftw_plan plan;
//fftw_real lin[512], rin[512], lout[1024], rout[1024];
int intern_vis_data[19];
private:
Skin *m_skin;
};
#endif
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