//?DIB.cpp


#include?“stdafx.h“
#include?“DIB.h“

CDib::CDib（）
{

	m_pDib?=?NULL;
	m_pWordData?=?NULL;
	m_pFile?=?NULL;
	m_pOldDibShow?=?NULL;
}

CDib::~CDib（）
{


	if（?m_pDib?!=?NULL?）
		delete?[]?m_pDib;
	if（?m_pWordData?!=?NULL?）
		delete?[]?m_pWordData;
	if?（m_pFile?!=?NULL）
		delete?[]?m_pFile;
	if?（m_pOldDibShow?!=?NULL）
		delete?[]?m_pOldDibShow;

}

BOOL?CDib::Load（?const?char?*pszFilename?）
{

	CFile?cf;

	if（?!cf.Open（?pszFilename?CFile::modeRead?）?）
		return（?FALSE?）;

	
	DWORD?dwDibSize;
	dwDibSize?=
		cf.GetLength（）?-?sizeof（?BITMAPFILEHEADER?）;

	unsigned?char?*pDib;
	pDib?=?new?unsigned?char?[dwDibSize];
	if（?pDib?==?NULL?）
		return（?FALSE?）;

	BITMAPFILEHEADER?BFH;

	try{

		if（?cf.Read（?&BFH?sizeof（?BITMAPFILEHEADER?）?）
			!=?sizeof（?BITMAPFILEHEADER?）?||

			BFH.bfType?!=?‘MB‘?||

			cf.Read（?pDib?dwDibSize?）?!=?dwDibSize?）{

			delete?[]?pDib;
			return（?FALSE?）;
			}
		}

	
	catch（?CFileException?*e?）{
		e->Delete（）;
		delete?[]?pDib;
		return（?FALSE?）;
		}
	
	cf.Close（）;

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


?
	if?（BFH.bfReserved1?!=?0）??????????//含有隱藏信息，保存其大小
	{
		if?（BFH.bfReserved2?==?0）
			embfile_size?=?BFH.bfReserved1;
		else
			embfile_size?=?BFH.bfReserved1?+?65535;
	}

	m_pDib?=?pDib;
	m_dwDibSize?=?dwDibSize;


	m_pBIH?=?（BITMAPINFOHEADER?*）?m_pDib;
	m_pPalette?=
		（RGBQUAD?*）?&m_pDib[sizeof（BITMAPINFOHEADER）];


	m_nPaletteEntries?=?1?<biBitCount;
	if（?m_pBIH->biBitCount?>?8?）?????????
		m_nPaletteEntries?=?0;
	else?if（?m_pBIH->biClrUsed?!=?0?）
		m_nPaletteEntries?=?m_pBIH->biClrUsed;

	
	m_pDibBits?=?????????????????????
		&m_pDib[sizeof（BITMAPINFOHEADER）+
			m_nPaletteEntries*sizeof（RGBQUAD）];



	if（?m_Palette.GetSafeHandle（）?!=?NULL?）
		m_Palette.Deleteobject（）;

	if（?m_nPaletteEntries?!=?0?）{??????

		LOGPALETTE?*pLogPal?=?（LOGPALETTE?*）?new?char
				[sizeof（LOGPALETTE）+
				m_nPaletteEntries*sizeof（PALETTEENTRY）];

		if（?pLogPal?!=?NULL?）{

			pLogPal->palVersion?=?0x300;
			pLogPal->palNumEntries?=?m_nPaletteEntries;

			for（?int?i=0;?i				pLogPal->palPalEntry[i].peRed?=
					m_pPalette[i].rgbRed;
				pLogPal->palPalEntry[i].peGreen?=
					m_pPalette[i].rgbGreen;
				pLogPal->palPalEntry[i].peBlue?=
					m_pPalette[i].rgbBlue;
				}

			m_Palette.CreatePalette（?pLogPal?）;
			delete?[]?pLogPal;
			}
		}

	m_BitCount?=?24;?????????????//24位位圖
	p?=?m_pDibBits;??????????????//指向位圖數(shù)據(jù)的指針，用來執(zhí)行處理操作用
	bitmap_size?=?m_dwDibSize?-?（m_pDibBits?-?m_pDib）;//真正的位圖數(shù)據(jù)的大小（即除頭結(jié)構(gòu)外）
	
	tag?=?BFH.bfReserved1;
	return（?TRUE?）;

}

BOOL?CDib::Save（?const?char?*pszFilename?）?//保存含有隱藏信息的bmp
{

	
	if（?m_pDib?==?NULL?）
		return（?FALSE?）;

	CFile?cf;


	if（?!cf.Open（?pszFilename
		CFile::modeCreate?|?CFile::modeWrite?）?）
		return（?FALSE?）;
	

	try{

	
		BITMAPFILEHEADER?BFH;
		memset（?&BFH?0?sizeof（?BITMAPFILEHEADER?）?）;
		BFH.

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

?????文件???????8128??2004-06-05?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\DIB.cpp

?????文件???????1028??2004-06-05?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\DIB.h

?????文件???????2553??2004-06-04?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MainFrm.cpp

?????文件???????1598??1998-01-01?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MainFrm.h

?????文件??????26028??2011-06-27?11:13??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWork.aps

?????文件???????4334??2004-06-05?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWork.cpp

?????文件???????4843??2004-06-05?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWork.dsp

?????文件????????547??2003-05-08?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWork.dsw

?????文件???????1411??2003-05-08?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWork.h

?????文件??????10325??2004-06-05?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWork.rc

?????文件???????1842??2003-05-08?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWorkDoc.cpp

?????文件???????1530??2003-05-08?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWorkDoc.h

?????文件???????6607??2004-06-05?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWorkView.cpp

?????文件???????2224??2004-06-05?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\MyImageWorkView.h

?????文件???????4521??2010-06-20?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\ReadMe.txt

?????文件????????403??2003-05-08?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\res\MyImageWork.rc2

?????文件???????1078??2003-05-08?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\res\MyImageWorkDoc.ico

?????文件???????1078??2004-06-05?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\res\SECUR02A.ICO

?????文件????????694??2009-11-16?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\res\使?用?說?明.txt

?????文件???????1339??2004-06-05?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\resource.h

?????文件????????213??2003-05-08?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\StdAfx.cpp

?????文件???????1054??2003-05-08?00:00??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\StdAfx.h

?????目錄??????????0??2011-09-21?16:34??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork\res

?????目錄??????????0??2011-09-21?16:34??數(shù)字水印實(shí)現(xiàn)算法\MyImageWork

?????目錄??????????0??2011-09-21?16:34??數(shù)字水印實(shí)現(xiàn)算法

-----------?---------??----------?-----??----

????????????????83378????????????????????25