texture.h

/***********************************************************************
        filename:       texture.h
        created:        10/4/2004
        author:         Paul D Turner
        
        purpose:        Defines concrete texture class
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2006 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 _texture_h_
#define _texture_h_

#include "CEGUIBase.h"
#include "CEGUIRenderer.h"
#include "CEGUITexture.h"
#include "renderer.h"
#include <d3d8.h>
#include <list>

// Start of CEGUI namespace section
namespace CEGUI
{

class DIRECTX81_GUIRENDERER_API DirectX81Texture : public Texture
{
private:
        /*************************************************************************
                Friends (to allow construction and destruction)
        *************************************************************************/
        friend  Texture* DirectX81Renderer::createTexture(void);
        friend  Texture* DirectX81Renderer::createTexture(const String& filename, const String& resourceGroup);
        friend  Texture* DirectX81Renderer::createTexture(float size);
        friend  void     DirectX81Renderer::destroyTexture(Texture* texture);


        /*************************************************************************
                Construction & Destruction (by Renderer object only)
        *************************************************************************/
        DirectX81Texture(Renderer* owner);
        virtual ~DirectX81Texture(void);

public:
        virtual ushort  getWidth(void) const            {return d_width;}


        virtual ushort  getHeight(void) const           {return d_height;}

    virtual     ushort getOriginalWidth(void) const { return d_orgWidth; }
    virtual     ushort getOriginalHeight(void) const { return d_orgHeight; }

        virtual void    loadFromFile(const String& filename, const String& resourceGroup);


        virtual void    loadFromMemory(const void* buffPtr, uint buffWidth, uint buffHeight, PixelFormat pixelFormat);


        LPDIRECT3DTEXTURE8      getD3DTexture(void) const               {return d_d3dtexture;}


        // 
        void    setD3DTextureSize(uint size);


        virtual void    preD3DReset(void);


        virtual void    postD3DReset(void);


private:
        /*************************************************************************
                Implementation Functions
        *************************************************************************/
        // safely free direc3d texture (can be called multiple times with no ill effect)
        void    freeD3DTexture(void);
    // obtain and fill-in the real texture dimensions.
    // d_orgWidth and d_orgHeight should be set before calling this, since
    // they are used as fall-back values if the query fails.
    void obtainActualTextureSize(void);

        /*************************************************************************
                Implementation Data
        *************************************************************************/
        LPDIRECT3DTEXTURE8              d_d3dtexture;           
        String                                  d_filename;                     
    String                  d_resourceGroup;    
    bool                                        d_isMemoryTexture;      

        ushort                                  d_width;                        
        ushort                                  d_height;                       
    ushort                                      d_orgWidth;                     
    ushort                                      d_orgHeight;            
};

} // End of  CEGUI namespace section


#endif  // end of guard _texture_h_