compositor.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013 CERN
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * @author Maciej Suminski <[email protected]>
 *
 * 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, see <https://www.gnu.org/licenses/>.
 */

 
#ifndef COMPOSITOR_H_
#define COMPOSITOR_H_
 
namespace KIGFX
{
class COLOR4D;
 
class COMPOSITOR
{
public:
    COMPOSITOR()
        : m_width( 0 ), m_height( 0 )
    {
    }
 
    virtual ~COMPOSITOR()
    {
    }

    virtual void Initialize() = 0;

    virtual void Resize( unsigned int aWidth, unsigned int aHeight ) = 0;

    virtual unsigned int CreateBuffer() = 0;

    virtual unsigned int GetBuffer() const = 0;

    virtual void SetBuffer( unsigned int aBufferHandle ) = 0;

    virtual void ClearBuffer( const COLOR4D& aColor ) = 0;

    virtual void Begin() = 0;

    virtual void DrawBuffer( unsigned int aBufferHandle ) = 0;

    virtual void Present() = 0;
 
protected:
    unsigned int m_width;           
    unsigned int m_height;          
};
 
} // namespace KIGFX
 
#endif /* COMPOSITOR_H_ */