/************************************************************************/
/*  Copyright (C), 2016-2020, [IT], 保留所有权利;
/*  模 块 名：;
/*  描    述：;
/*
/*  版    本：[V];
/*  作    者：[IT];
/*  日    期：[8/19/2016];
/*
/*
/*  注    意：;
/*
/*  修改记录：[IT];
/*  修改日期：;
/*  修改版本：;
/*  修改内容：;
/************************************************************************/

#ifndef __ENBITMAP_20160823__
#define __ENBITMAP_20160823__

#pragma once

class CEnBitmap : public CBitmap
{
public:
	HBITMAP SetBitmap(HBITMAP hBitmap);
	CRect GetRect();
	void AlphaDisplay(CDC  *pDC, BYTE bAlpha);
	CEnBitmap();
	virtual ~CEnBitmap();
	BOOL ExtendDraw(IN CDC *pDC, IN CRect rc, IN int nX, IN int nY, IN BOOL bTran = FALSE, IN UINT colorTransparent = RGB(255, 0, 255));
	BOOL ExtendDrawImage(OUT CEnBitmap &bmp, IN CRect rc, IN int nX, IN int nY);

	BOOL LoadImage(LPCTSTR szImagePath, COLORREF crBack = 0);
	BOOL LoadImage(UINT uIDRes, LPCTSTR szResourceType, HMODULE hInst = NULL, COLORREF crBack = 0);

	// helpers
	static HBITMAP LoadImageFile(LPCTSTR szImagePath, COLORREF crBack = 0);
	static HBITMAP LoadImageResource(UINT uIDRes, LPCTSTR szResourceType, HMODULE hInst = NULL, COLORREF crBack = 0);
	static BOOL GetResource(LPCTSTR lpName, LPCTSTR lpType, HMODULE hInst, void* pResource, int& nBufSize);
	static IPicture* LoadFromBuffer(BYTE* pBuff, int nSize);
	HRGN BitmapToRegion(COLORREF cTransparentColor = 0, COLORREF cTolerance = 0x101010);
	BOOL Draw(CDC *pDC, LPRECT r);
	BOOL DrawImage(CEnBitmap &bmp, int nX, int nY, int nCol, int nRow);
	void TransparentBlt(IN CDC &dc, IN CRect rc, IN UINT colorTransparent);

	int	 Width()
	{
		return GetWidth();
	}

	int	 GetWidth()
	{
		BITMAP bm;
		memset(&bm, 0, sizeof(bm));
		GetBitmap(&bm);
		return bm.bmWidth;
	}

	int	 Height()
	{
		return GetHeight();
	}

	int	 GetHeight()
	{
		BITMAP bm;
		memset(&bm, 0, sizeof(bm));
		GetBitmap(&bm);
		return bm.bmHeight;
	}

	int CEnBitmap::Grey(int r, int g, int b)
	{
		return (((b * 11) + (g * 59) + (r * 30)) / 100);
	}
	void DrawGreyScale(CDC *pDC);
	void DitherBlt(HDC hdcDest, int nXDest, int nYDest, int nWidth,
		int nHeight, HBITMAP hbm, int nXSrc, int nYSrc);
	HPALETTE CreateReservedPalette(CDC *pDC);
	void FadeColorToGrayScale(CDC *pDC, int xDest, int yDest, int nLoops,
		int nDelay);
	HRGN InflateRegion(HRGN hRgn, int nXInflate, int nYInflate);
	HRGN CreateRegionExt(DWORD nCount, CONST RGNDATA *pRgnData);
	BOOL StretchDraw(CDC *pDC, LPRECT r, LPRECT sr);
protected:
	static HBITMAP ExtractBitmap(IPicture* pPicture, COLORREF crBack);
	static int GetFileType(LPCTSTR szImagePath);

};

#endif // __ENBITMAP_20160823__