RenderTarget.h

/***********************************************************************
    created:    Sun Jan 11 2009
    author:     Paul D Turner
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2011 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#ifndef _CEGUIRenderTarget_h_
#define _CEGUIRenderTarget_h_

#include "CEGUI/Base.h"
#include "CEGUI/EventSet.h"
#include "CEGUI/EventArgs.h"
#include "CEGUI/Vector.h"
#include "CEGUI/Rect.h"

// Start of CEGUI namespace section
namespace CEGUI
{
class CEGUIEXPORT RenderTargetEventArgs : public EventArgs
{
public:
    RenderTargetEventArgs(RenderTarget* target):
        target(target)
    {}

    RenderTarget* target;
};

class CEGUIEXPORT RenderTarget :
    public EventSet,
    public AllocatedObject<RenderTarget>
{
public:
    static const String EventNamespace;

    static const String EventAreaChanged;

    virtual void draw(const GeometryBuffer& buffer) = 0;

    virtual void draw(const RenderQueue& queue) = 0;

    virtual void setArea(const Rectf& area) = 0;

    virtual const Rectf& getArea() const = 0;

    virtual bool isImageryCache() const = 0;

    virtual void activate() = 0;

    virtual void deactivate() = 0;

    virtual void unprojectPoint(const GeometryBuffer& buff,
                                const Vector2f& p_in, Vector2f& p_out) const = 0;
};

} // End of  CEGUI namespace section

#endif  // end of guard _CEGUIRenderTarget_h_