bitmapex.h

包括了一些VC编程实例

// BitmapEx.h: interface for the CBitmapEx class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_BitmapEx_H__73EF928E_90A7_461A_B879_7E3007684679__INCLUDED_)
#define AFX_BitmapEx_H__73EF928E_90A7_461A_B879_7E3007684679__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

//#include "include\Picture.h"
//#include "EnBitmap.h"

class CBitmapEx : public CBitmap  
{
public:
	BOOL LoadImage(LPCTSTR szImagePath, COLORREF crBack = 0);
	BOOL LoadImage(UINT uIDRes, LPCTSTR szResourceType, HMODULE hInst = NULL, COLORREF crBack = 0); 

	// helpers
	static BOOL GetResource(LPCTSTR lpName, LPCTSTR lpType, HMODULE hInst, void* pResource, int& nBufSize);
	static IPicture* LoadFromBuffer(BYTE* pBuff, int nSize);
	BOOL Draw( CDC *pDC, LPRECT r);
	//draw sub bmp to special point
	BOOL Draw( CDC *pDC, int x, int y, LPRECT sr );
	BOOL Draw( CDC *pDC, int x, int y, LPRECT sr, COLORREF colTrans, BOOL bTrans );

	BOOL StretchDraw(CDC *pDC, LPRECT tr, LPRECT sr );
	BOOL StretchDraw(CDC *pDC, LPRECT r);

	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;
	}
	
	CBitmapEx();
	virtual ~CBitmapEx();

    BOOL Attach(IPicture* pPicture, COLORREF crBack);
	BOOL Attach( HBITMAP hbmp )
	{
		return CBitmap::Attach( hbmp );
	}

/*		
		HBITMAP hBitmap = NULL; 
		hBitmap = (HBITMAP)LoadImage(NULL, szFilename, IMAGE_BITMAP, 0, 0, 
			LR_LOADFROMFILE | LR_CREATEDIBSECTION | LR_DEFAULTSIZE); 
*/

	BOOL LoadBitmap(LPCTSTR szFilename) 
	{ 
		ASSERT(szFilename);
		DeleteObject();

		/*
		CClientDC dc(NULL);
		CPicture pic;
		if ( !pic.LoadPicture( szFilename ) )
			return FALSE;
		HBITMAP hBitmap = pic.CreateDDB(&dc);
		pic.DeleteObject();

		return Attach(hBitmap); 
		*/
		return LoadImage( szFilename );
	}

	BOOL DrawTransparent(CDC * pDC, int x, int y, COLORREF crColour);	

	HRGN CreateRgnFromFile( COLORREF color );
};

#endif // !defined(AFX_BitmapEx_H__73EF928E_90A7_461A_B879_7E3007684679__INCLUDED_)