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/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef STYLUSNORMALIZER_H
#define STYLUSNORMALIZER_H
#include <qdatetime.h>
#include <qwidget.h>
class QTimer;
class _StylusEvent
{
public:
_StylusEvent( const QPoint &pt = QPoint( 0, 0 ) );
~_StylusEvent();
QPoint point( void ) const { return _pt; };
QTime time( void ) const { return _t; };
void setPoint( int x, int y) { _pt.setX( x ); _pt.setY( y ); };
void setPoint( const QPoint &newPt ) { _pt = newPt; };
void setTime( QTime newTime ) { _t = newTime; };
private:
QPoint _pt;
QTime _t;
};
class StylusNormalizer : public QWidget
{
Q_OBJECT
public:
StylusNormalizer( QWidget *parent = 0, const char* name = 0 );
~StylusNormalizer();
void start();
void stop();
void addEvent( const QPoint &pt ); // add a new point in
signals:
void signalNewPoint( const QPoint &p );
private slots:
void slotAveragePoint( void ); // return an averaged point
private:
static const int SAMPLES = 10;
_StylusEvent _ptList[SAMPLES];
int _next;
QTimer *_tExpire;
bool bFirst; // the first item added in...
};
#endif
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