#ifndef _CLCDGfx_H_
#define _CLCDGfx_H_

enum ETransitionType {TRANSITION_FADE,TRANSITION_VLINES,TRANSITION_HLINES,TRANSITION_MORPH,TRANSITION_RANDOM};

struct SLCDPixel
{
	COLORREF cValue;
	double dSpeed;
	POINT Start;
	POINT Destination;
	POINT Position;
};

class CLCDGfx
{
public:
    CLCDGfx(void);
    virtual ~CLCDGfx(void);

    bool Initialize(int nWidth, int nHeight, int nBPP, PBYTE pBitmapBits);
	bool IsInitialized();
    bool Shutdown(void);

    void BeginDraw(void);
    void ClearScreen(void);
	COLORREF GetPixel(int nX, int nY);
	void SetPixel(int nX, int nY, COLORREF color);
	void SetPixel(int nX, int nY, BYTE r, BYTE g, BYTE b);
    void DrawLine(int nX1, int nY1, int nX2, int nY2);
    void DrawFilledRect(int nX, int nY, int nWidth, int nHeight);
	void DrawRect(int iX, int iY, int iWidth, int iHeight);
	void DrawText(int nX, int nY, LPCTSTR sText);
	void DrawText(int nX,int nY,int iWidth,tstring strText);
	void DrawBitmap(int nX,int nY,int nWidth, int nHeight,HBITMAP hBitmap);
    void EndDraw(void);


	void SetClipRegion(int iX,int iY,int iWidth,int iHeight);
	RECT GetClipRegion();

	inline int GetClipWidth() { return m_rClipRegion.right-m_rClipRegion.left; };
	inline int GetClipHeight() { return m_rClipRegion.bottom-m_rClipRegion.top; };

    HDC GetHDC(void);
	BITMAPINFO *GetBitmapInfo(void);
    HBITMAP GetHBITMAP(void);
    
	void StartTransition(ETransitionType eType = TRANSITION_RANDOM,LPRECT rect = NULL);
	
protected:
	void Cache();
	int findNearestMatch(PBYTE targetArray,int iSourceIndex);

	void EndTransition();

	RECT m_rClipRegion;
	RECT m_rTransitionRegion;

    int m_nWidth;
    int m_nHeight;
	int m_nBPP;
    BITMAPINFO *m_pBitmapInfo;
    HDC m_hDC;
    HBITMAP m_hBitmap;
    HBITMAP m_hPrevBitmap;
    PBYTE m_pBitmapBits,m_pLcdBitmapBits,m_pSavedBitmapBits;

	bool m_bInitialized;

	DWORD m_dwTransitionStart;
	bool m_bTransition;
	
	ETransitionType m_eTransition;
	vector<SLCDPixel*> m_LMovingPixels;
	vector<SLCDPixel*> m_LStaticPixels;

	double m_dWave;
	DWORD m_dwLastDraw;
};

#endif