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/**********************************************************************
** Copyright (C) 2003 Michael 'Mickey' Lauer. All rights reserved.
**
** This file is part of Opie 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.
**
**********************************************************************/
#ifndef ZCAMERAIO_H
#define ZCAMERAIO_H
#include <qobject.h>
class QImage;
class QTime;
class ZCameraIO : public QObject
{
Q_OBJECT
public:
virtual ~ZCameraIO();
enum ReadMode
{
IMAGE = 0, STATUS = 1,
FASTER = 0, BETTER = 2,
XNOFLIP = 0, XFLIP = 4,
YNOFLIP = 0, YFLIP = 8,
AUTOMATICFLIP = -1
};
// low level interface
bool setCaptureFrame( int w, int h, int zoom = 256, bool rot = true );
bool setZoom( int zoom = 0 );
void setReadMode( int = IMAGE | XFLIP | YFLIP );
void setFlip( int flip );
bool isShutterPressed(); // not const, because it calls clearShutterLatch
bool isAvailable() const;
bool isCapturing() const;
bool isFinderReversed() const;
bool snapshot( QImage* image );
bool snapshot( unsigned char* buf );
// high level interface
bool isOpen() const;
static ZCameraIO* instance();
void captureFrame( int w, int h, int zoom, QImage* image );
void captureFrame( int w, int h, int zoom, unsigned char* buf );
protected:
ZCameraIO();
void clearShutterLatch();
void init();
bool read( char*, int );
bool write( char*, int = 0 );
signals:
void shutterClicked();
private:
int _driver;
char _status[4];
bool _pressed;
static ZCameraIO* _instance;
int _height;
int _width;
int _zoom;
int _flip;
bool _rot;
int _readlen;
QTime* _timer;
};
#endif
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