cameraevent.h

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//--- < CAMERAEVENT.H > ---------| ViewGraph - A Flexible Graph view Framework |
//
// Defines events that change camera status.
// Camera events are processed in a separate logic
// branch; moreover, the latest camera event is stored 
// as camera status.
// 
// Derive your event from CameraEvent to register an 
// event that changes camera status.
//
// $Author: botik32 $
// $Revision: 1.1.1.1 $
// $Date: 2004/03/26 10:50:21 $
//-----------------------------------------------------------------------------/

#ifndef CAMERAEVENT_H
#define CAMERAEVENT_H

#include <cZUI/event.h>

/// CameraEvent is the base of all camera events.<br>
/// Camera events are processed in a separate logic
/// branch; moreover, the latest camera event is stored 
/// as camera status.
class CameraEvent : public Event{
public:
        CameraEvent( Camera *, const char * );
        CameraEvent( CameraEvent * );
        static const char *type;
        bool is_type( const char * );
};

class CameraFocusEvent : public CameraEvent{
public:
        static const char *type;
        CameraFocusEvent( Camera * );
};

class CameraBlurEvent : public CameraEvent{
public:
        static const char *type;
        CameraBlurEvent( Camera * );
};

/// Upon this event, the camera should display
/// something like "CAMERA OFF" or just not 
/// display a thing. It may even display an 
/// "off" animation if you wish. 
/// You can specify such behaviour by 
/// subclassing the LayerNode class and
/// adding it to the top of the layer stack.
class CameraOffEvent : public CameraEvent{
protected:
public:
        static const char *type;
        CameraOffEvent( Camera * );
};

/// Upon this event, the camera should display
/// what it can "see". It may briefly display 
/// an "on" animation if you wish. 
/// You can specify such behaviour by 
/// subclassing the LayerNode class and 
/// adding it to the top of the layer stack.
class CameraOnEvent : public CameraEvent{
protected:
public:
        static const char *type;
        CameraOnEvent( Camera * );
};

/// A node should send a CameraUpdatedEvent
/// whenever it has repainted and wants the
/// window to repaint.
class CameraUpdatedEvent : public CameraEvent
{
protected:
public:
        static const char *type;
        CameraUpdatedEvent( Camera * );
};

#endif

/// $Log: cameraevent.h,v $
/// Revision 1.1.1.1  2004/03/26 10:50:21  botik32
/// Initial release
///
/// Revision 1.1.1.1  2004/03/26 08:53:33  botik
/// initial import
///
///
/// Revision 1.4  2003/12/02 20:09:22  botik
/// Changed repaint policy to repaint only when Camera and
/// CameraMovement events happened.
/// Added CameraUpdatedEvent specifically for this purpose
/// so scene nodes can trigger a repaint.
///
/// Revision 1.3  2003/11/14 16:00:42  botik
/// Got camerafocus to ignore cameras in 'Off' state
/// Fixed camera to keep latest camera status change
/// event as status.
///
/// Revision 1.2  2003/10/30 14:21:43  botik
/// Modified layernode to handle CameraOn/CameraOff events
///
/// Revision 1.1  2003/10/30 13:47:31  botik
/// Broke up event files into 3 categories
///

---