//?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（）;
}

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;
	}
????if?（m_pDibBits!=NULL）
		m_pDibBits=NULL;
	m_pDibBits=GetBits（）;

	file.Close（）;
	return?TRUE;

failure:
	file.Close（）;
exit:
	Close（）;
	return?FALSE;
}

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

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

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

	file.Write（&bmpFileHeadernBmpFileHeaderSize）;?

	//

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????211??2006-03-20?22:23??WaterMark0\StdAfx.cpp

?????文件???????1054??2006-03-20?22:23??WaterMark0\StdAfx.h

?????文件???????3772??2007-05-18?20:12??WaterMark0\WaterMark.clw

?????文件???????2105??2006-03-20?22:23??WaterMark0\WaterMark.cpp

?????文件????????541??2006-03-20?22:23??WaterMark0\WaterMark.dsw

?????文件???????1357??2006-03-20?22:23??WaterMark0\WaterMark.h

?????文件?????205824??2007-05-18?20:12??WaterMark0\WaterMark.ncb

?????文件???????1170??2007-05-18?20:01??WaterMark0\WaterMark.plg

?????文件????????171??2007-04-10?17:51??WaterMark0\resource.hm

?????文件?????177356??2003-04-28?09:46??WaterMark0\backimage.bmp

?????文件???????2196??2007-05-07?10:38??WaterMark0\Extracted.h

?????文件???????1650??2007-05-08?11:57??WaterMark0\Resource.h

?????文件????????596??2007-04-11?09:40??WaterMark0\embed_h.txt

?????文件???????8303??2007-05-07?11:37??WaterMark0\Extracted.cpp

?????文件???????6791??2007-04-14?15:48??WaterMark0\WaterMarkDlg.cpp

?????文件???????4809??2007-05-08?12:03??WaterMark0\WaterMark.dsp

?????文件???????1229??2007-05-08?11:43??WaterMark0\Encrypt.h

?????文件???????1000??2007-05-08?11:43??WaterMark0\Encrypt.cpp

?????文件???????1294??2007-05-08?13:34??WaterMark0\EncryptImage.h

?????文件????????966??2007-05-08?15:04??WaterMark0\Dib.h

?????文件???????3983??2007-05-08?15:05??WaterMark0\Dib.cpp

?????文件???????1582??2007-05-08?15:21??WaterMark0\EncryptImage.cpp

?????文件???????2064??2007-05-08?15:21??WaterMark0\WaterMarkDlg.h

?????文件???????2484??2007-05-09?13:37??WaterMark0\embed.h

?????文件??????23876??2007-05-18?19:09??WaterMark0\WaterMark.aps

?????文件???????9113??2007-05-09?13:38??WaterMark0\WaterMark.rc

?????文件???????1078??2006-04-01?12:48??WaterMark0\res\FACE.ICO

?????文件???????1078??2006-03-20?22:23??WaterMark0\res\WaterMark.ico

?????文件????????401??2006-03-20?22:23??WaterMark0\res\WaterMark.rc2

????..A.SH.?????78336??2007-05-23?10:39??WaterMark0\Pic\Thumbs.db

............此處省略11個文件信息