/*
 * This source file is part of KEOS (Free 3D Engine)
 * For the latest info, see http://www.keosengine.org/
 * E-mails : thierry.vouriot@keosengine.org, yeri@keosengine.org
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 * http://www.gnu.org/copyleft/lesser.txt.
 *
 */
#ifndef KEOS_TEXTUREBASE_H
#define KEOS_TEXTUREBASE_H

#include "KeosPrerequisites.h"
#include "KeosResource.h"
#include "KeosImage.h"

namespace Keos
{
    //-----------------------------------------------------------------------
    /** Base class for textures.
     *
     */
    class KEOS_EXPORT ITextureBase : public IResource
    {
    public :

        /** Destructor.
         */
        virtual ~ITextureBase();

    protected :

        friend class CTexture;

        /** Constructor.
         *  @param Size Texture size.
         *  @param Format Format of pixels of the texture.
         *  @param bHasMipmaps Indicate if the texture has levels of mipmaps.
         *  @param bAutoMipmaps Indicate if the texture can generate its mips in HW.
         */
        ITextureBase(const TVector2I& Size, TPixelFormat Format, bool bHasMipmaps, bool bAutoMipmaps);

        /** Update the pixels of the texture.
         *  @param Rect Rectangle to update in the texture.
         */
        virtual void Update(const CRectangle& Rect) = 0;

        //! Format of pixels of the texture
        TPixelFormat m_Format;
        //! Texture dimensions
        TVector2I    m_Size;
        //! System copy of the pixels of the texture
        CImage       m_Data;
        //! Indicate if the texture has levels of mipmaps
        bool         m_bHasMipmaps;
        //! Indicate if the texture can generate its mips in HW
        bool         m_bAutoMipmaps;
    };

} // namespace Keos


#endif // KEOS_TEXTUREBASE_H
