//?Dib.cpp:?implementation?of?the?CDib?class.
//
//////////////////////////////////////////////////////////////////////

#include?“StdAfx.h“
#include?“Dib.h“

#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////
CDib::CDib（）
{
	m_hDrawDib=NULL;
	m_pDib=NULL;
}
CDib::~CDib（）
{
	Close（）;
}

void?CDib::Draw（CDC?*pDCint?nWidth?int?nHeight）
{
	if（m_pDib!=NULL）
	{
	ASSERT（IsValid（））;
	DrawDibRealize（m_hDrawDibpDC->GetSafeHdc（）TRUE）;
	DrawDibDraw（m_hDrawDibpDC->GetSafeHdc（）
				0??//desktop?left
				0??//desktop?top
				nWidth
				nHeight
				（BITMAPINFOHEADER?*）m_pDib
				（LPVOID）?GetBits（）
				0??//source?left
				0??//source?top
				（（BITMAPINFOHEADER?*）m_pDib）->biWidth
				（（BITMAPINFOHEADER?*）m_pDib）->biHeight
				DDF_BACKGROUNDPAL）;
	}
}

CSize?CDib::GetSize（）
{
	return?CSize（（（BITMAPINFOHEADER?*）m_pDib）->biWidth
				?（（BITMAPINFOHEADER?*）m_pDib）->biHeight）;	
}

LONG?CDib::GetWidth（）
{
	return?（（BITMAPINFOHEADER?*）m_pDib）->biWidth;
}

LONG?CDib::GetHeight（）
{
	return	（（BITMAPINFOHEADER?*）m_pDib）->biHeight;
}

void?CDib::Close（）
{
	if（m_hDrawDib!=NULL）
	{
		DrawDibClose（m_hDrawDib）;
		m_hDrawDib=NULL;
	}

	if（m_pDib!=NULL）
	{
		delete?m_pDib;
		m_pDib=NULL;
	}
}

BOOL?CDib::Open（const?char?*?pzFileName）
{
//	BITMAPFILEHEADER?bmpFileHeader;
	CFile?file;
	int?nBmpFileHeaderSize;

	Close（）;

	//drawdibopen?initialize?the?diradib?library?and?
	//returns?a?handle?for?all?drawdib?operations
	if（!（m_hDrawDib=DrawDibOpen（）））
		goto?exit;

?	//open?and?read?the?DIB?file?header
	nBmpFileHeaderSize=sizeof（BITMAPFILEHEADER）;

	if（!file.Open（pzFileNameCFile::modeRead?|?CFile::typeBinary））
		goto?exit;

	if（file.Read（（void?*）&bmpFileHeadernBmpFileHeaderSize）!=（UINT）nBmpFileHeaderSize）
		goto?failure;

	//validate?the?DIB?file?header?by?checking?the?first
	//two?characters?for?the?signature?“BM“
	if（bmpFileHeader.bfType!=*（（WORD?*）“BM“））
		goto?failure;

	//allocate?a?big?chuck?of?global?memory?to?store?the?DIB
	m_pDib=（BYTE?*）new?char?[bmpFileHeader.bfSize-nBmpFileHeaderSize];

	//allocate?memory?fail
	if（!m_pDib）
		goto?failure;

	//read?the?dib?into?the?buffer?at?a?time?using?ReadHuge
	file.ReadHuge（m_pDibbmpFileHeader.bfSize-nBmpFileHeaderSize）;

	if（（（BITMAPINFOHEADER?*）m_pDib）->biSizeImage==0）
	{
		//the?application?that?create?this?bitmap?didn‘t?fill
		//in?the?biSizeImage?field.?Let‘s?fill?it
		//in?even?though?the?DrawDib?*?functions?don‘t?need?it.
		BITMAPINFOHEADER?*pDib=（BITMAPINFOHEADER?*）m_pDib;

		//scan?lines?must?be?DWord?aligned?hence?the?strange?bit?stuff
		pDib->biSizeImage=（（（（pDib->biWidth*pDib->biBitCount）+31）&~31）>>3）*pDib->biHeight;
	}

	m_pDibBits=GetBits（）;

	file.Close（）;
	return?

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件?????196662??1998-02-03?17:48??NNewReadBmp\Apple.bmp

?????文件???????4425??2009-04-05?16:47??NNewReadBmp\Dib.cpp

?????文件????????967??2009-04-05?16:47??NNewReadBmp\dib.h

?????文件??????49206??2009-04-06?16:21??NNewReadBmp\frogs_2bit__.bmp

?????文件?????138514??2002-11-29?19:41??NNewReadBmp\lena.bmp

?????文件??????23610??2006-08-10?13:18??NNewReadBmp\MarkWater.bmp

?????文件??????21624??2009-04-21?21:56??NNewReadBmp\NewReadBmp.aps

?????文件???????1348??2009-04-21?22:00??NNewReadBmp\NewReadBmp.clw

?????文件???????2119??2009-04-06?14:56??NNewReadBmp\NewReadBmp.cpp

?????文件???????4353??2009-04-06?15:33??NNewReadBmp\NewReadBmp.dsp

?????文件????????526??2009-04-06?14:56??NNewReadBmp\NewReadBmp.dsw

?????文件???????1368??2009-04-06?14:56??NNewReadBmp\NewReadBmp.h

?????文件?????115712??2009-04-21?22:00??NNewReadBmp\NewReadBmp.ncb

?????文件????????254??2009-04-21?22:00??NNewReadBmp\NewReadBmp.plg

?????文件???????5933??2009-04-09?21:16??NNewReadBmp\NewReadBmp.rc

?????文件???????2576??2009-04-09?13:59??NNewReadBmp\NewReadBmpDlg.h

?????文件?????177356??2003-04-28?09:46??NNewReadBmp\plane24.bmp

?????文件???????3651??2009-04-06?14:56??NNewReadBmp\ReadMe.txt

?????文件????????964??2009-04-09?10:38??NNewReadBmp\resource.h

?????文件????????212??2009-04-06?14:56??NNewReadBmp\StdAfx.cpp

?????文件???????1054??2009-04-06?14:56??NNewReadBmp\StdAfx.h

?????文件?????262912??2009-04-09?11:20??NNewReadBmp\宿主圖像嵌入水印后的數(shù)據(jù)顯示.txt

?????文件?????262912??2009-04-09?11:20??NNewReadBmp\宿主圖像的數(shù)據(jù)顯示.txt

?????文件?????237300??2009-04-09?11:20??NNewReadBmp\水印圖像的數(shù)據(jù)顯示.txt

?????文件?????196662??2009-04-07?10:33??NNewReadBmp\未標(biāo)題1.bmp

?????文件?????196662??2009-04-08?10:33??NNewReadBmp\未標(biāo)題0.bmp

?????文件?????196662??2009-04-07?10:33??NNewReadBmp\未標(biāo)題3.bmp

?????文件?????196662??2009-04-07?10:36??NNewReadBmp\未標(biāo)題4.bmp

?????文件?????196662??2009-04-07?10:40??NNewReadBmp\未標(biāo)題5.bmp

?????文件?????196662??2009-04-07?11:05??NNewReadBmp\未標(biāo)題new.bmp

............此處省略60個(gè)文件信息