/*---------------------------------------------------------------------------*
  Project:  Horizon
  File:     demo_RenderData.h

  Copyright (C)2009-2012 Nintendo Co., Ltd.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Rev: 46365 $
 *---------------------------------------------------------------------------*/

#ifndef DEMO_RENDER_DATA_H_
#define DEMO_RENDER_DATA_H_

#include <nn/gx.h>
#include <nn/util.h>

namespace demo
{
      
    /*!
    :private

    @brief    Gets the width of the LCD.    

    @param[in]    display    Target LCD (NN_GX_DISPLAY0 or NN_GX_DISPLAY1)
    @return       LCD width
    */
    f32 GetLcdWidth(const s32 display);

    /*!
    :private

    @brief    Gets the height of the LCD.
    
    @param[in]    display    Target LCD (NN_GX_DISPLAY0 or NN_GX_DISPLAY1)
    @return       LCD height
    */
    f32 GetLcdHeight(const s32 display);
     
    /*!
    :private
    
    @brief Base class for the rendering data.       
    */
    class RenderData : private nn::util::NonCopyable<RenderData>
    {
    public:
        /*!
        :private

        @brief    Constructor.        
        */
        RenderData(void);
        /*!
        :private

        @brief    Destructor.        
        */
        virtual ~RenderData(void);

    public:
        /*!
        :private

        @brief    Initializes the rendering data.        
        */
        virtual void Initialize(void);

        /*!
        :private

        @brief    Finalizes the rendering data.        
        */
        virtual void Finalize(void);

    public:
        /*!
        :private

        @brief    Performs rendering using the rendering data.        
        */
        virtual void Draw(void) = 0;

    public:
        /*!
        :private

        @brief    Sets the window size to convert from the normalized device coordinate system to the window coordinate system.
                
        @param[in]    windowWidth    Window width
        @param[in]    windowHeight   Window height
        */
        virtual void SetWindowSize(const f32 windowWidth, const f32 windowHeight);

    public:
        /*!
        :private

        @brief   Converts provided window coordinates to normalized device coordinates.
                
        @param[in]    windowCoordinateX    X-coordinate for the window coordinates
        @param[in]    windowCoordinateY    Y-coordinate for the window coordinates
        @param[out]   normalizedDeviceCoordinateX      X-coordinate for the normalized device coordinates
        @param[out]   normalizedDeviceCoordinateY      Y-coordinate for the normalized device coordinates
        */
        virtual void GetNormalizedDeviceCoordinateXY(const f32 windowCoordinateX, const f32 windowCoordinateY,
            f32& normalizedDeviceCoordinateX, f32& normalizedDeviceCoordinateY);

        /*!
        :private

        @brief   Converts the Y-coordinate for the provided window coordinates to an X-coordinate for the normalized device coordinates.
                
        @param[in]    windowCoordinateY    Y-coordinate for the window coordinates 
        @return       X-coordinate for the normalized device coordinates
        */
        virtual f32 GetNormalizedDeviceCoordinateX(const f32 windowCoordinateY);

        /*!
        :private

        @brief   Converts the X-coordinate for the provided window coordinates to a Y-coordinate for the normalized device coordinates.
                
        @param[in]    windowCoordinateX    X-coordinate for the window coordinates 
        @return       Y-coordinate for the normalized device coordinates
        */
        virtual f32 GetNormalizedDeviceCoordinateY(const f32 windowCoordinateX);
    
    protected:
        virtual void CalculateInverseWindowSize(void);

    protected:
        s32 m_RenderTarget;
        f32 m_WindowWidth;
        f32 m_WindowHeight;

        f32 m_InverseWindowWidth;
        f32 m_InverseWindowHeight;
    };

}

#endif