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/************************************************************************/
/* 融合加密函数
*/
/************************************************************************/
void CDibView::Onlonghe()
{
CDibDoc* pDoc = GetDocument(); //就是获取文档对象（CDibDoc类型的）然后调用它的成员函数GetHDIB（）
HDIB shDIB,hDIB = pDoc->GetHDIB();
LPBITMAPINFOHEADER lphBI,lpBI;
BYTE *lphDIBBits, *lpDIBBits;
LPSTR pDIB,phDIB;
long i,j;
if(hDIB==NULL)
{
AfxMessageBox("请打开位图文件！");
return;
}
AfxMessageBox("请选择宿主位图！");
CFile m_File,savefile;
CFileException fe,savefe;
CString FileName;
CFileDialog m_Dialog(TRUE,NULL,"*.bmp",NULL,"位图文件(*.bmp)");
m_Dialog.DoModal();
FileName=m_Dialog.GetPathName();
FileName.ReleaseBuffer();
if (!m_File.Open(FileName, CFile::modeRead | CFile::shareExclusive, &fe))
{
AfxMessageBox("文件打不开！");
return ;
}
shDIB = ::ReadDIBFile(m_File);
phDIB = (LPSTR) ::GlobalLock((HGLOBAL) shDIB);
pDIB = (LPSTR) ::GlobalLock((HGLOBAL) hDIB);
lphBI = (LPBITMAPINFOHEADER)phDIB;
lpBI = (LPBITMAPINFOHEADER)pDIB;
if((lpBI->biWidth!=lphBI->biWidth)||(lpBI->biHeight!=lphBI->biHeight))
{
AfxMessageBox("两张位图大小不一样不能融合");
return;
}
if(lpBI->biBitCount!=lphBI->biBitCount)
{
AfxMessageBox("两张位图顔色数不一样不能融合");
return;
}
lphDIBBits = (BYTE*)::FindDIBBits(phDIB);//指向宿主位图的RGB值;
lpDIBBits = (BYTE*)::FindDIBBits(pDIB);//指向机要位图的RGB值;
//以下是产生随机数
srand( (unsigned)time( NULL ) );
temp = (float)(rand()/(double)RAND_MAX);
for (i = 0; i < lphBI->biWidth; i++)
{
for (j = 0; j < lphBI->biHeight; j++)
{
if(lpBI->biBitCount!=24)
{
*lpDIBBits = (BYTE)((float)*lpDIBBits * temp + (float)*lphDIBBits * (1 - temp));
lphDIBBits++;
lpDIBBits++;
}
else
{
*lpDIBBits = (BYTE)((float)*lpDIBBits * temp + (float)*lphDIBBits * (1 - temp));
lphDIBBits++;
lpDIBBits++;
*lpDIBBits = (BYTE)((float)*lpDIBBits * temp + (float)*lphDIBBits * (1 - temp));
lphDIBBits++;
lpDIBBits++;
*lpDIBBits = (BYTE)((float)*lpDIBBits * temp + (float)*lphDIBBits * (1 - temp));
lphDIBBits++;
lpDIBBits++;
}
}
}
::GlobalUnlock((HGLOBAL) hDIB);
::GlobalUnlock((HGLOBAL) shDIB);
AfxMessageBox("请保存融合后的机要位图！");
CFileDialog m_saveDialog(FALSE,NULL,"*.bmp",NULL,"位图文件(*.bmp)");
m_saveDialog.DoModal();
FileName=m_saveDialog.GetPathName();
FileName.ReleaseBuffer();
if (!savefile.Open(FileName, CFile::modeCreate |
CFile::modeReadWrite | CFile::shareExclusive, &fe))
{
AfxMessageBox("文件不能保存！");
return ;
}
::SaveDIB(hDIB, savefile);
savefile.Close();
}
/************************************************************************/
/* 融合解密函数
*/
/************************************************************************/
void CDibView::OnJlonghe()
{
CDibDoc* pDoc = GetDocument();
HDIB hDIB,shDIB = pDoc->GetHDIB();
LPBITMAPINFOHEADER lphBI,lpBI;//lphBI指向藏有位图的宿主位图，lpBI指向源宿主位图;
BYTE *lphDIBBits, *lpDIBBits;//*lphDIBBits指向藏有位图的宿主位图，*lpDIBBits指向源宿主位图;
LPSTR pDIB,phDIB;//phDIB指向藏有位图的宿主位图，pDIB指向机要位图;
long i,j;
if(shDIB == NULL)
{
AfxMessageBox("请打开融合位图文件！");
return;
}
AfxMessageBox("请打开末融合宿主位图文件！");
CFile m_File,savefile;
CFileException fe,savefe;
CString FileName;
CFileDialog m_Dialog(TRUE,NULL,"*.bmp",NULL,"位图文件(*.bmp)");
m_Dialog.DoModal();
FileName=m_Dialog.GetPathName();
FileName.ReleaseBuffer();
if (!m_File.Open(FileName, CFile::modeRead | CFile::shareExclusive, &fe))
{
AfxMessageBox("源宿主位图文件打不开！");
return ;
}
hDIB = ::ReadDIBFile(m_File);//读取源宿主位图文件;
pDIB = (LPSTR) ::GlobalLock((HGLOBAL) hDIB);//指向源宿主位图的首地址
phDIB = (LPSTR) ::GlobalLock((HGLOBAL) shDIB);
lphBI = (LPBITMAPINFOHEADER)phDIB;
lpBI = (LPBITMAPINFOHEADER)pDIB;
lphDIBBits = (BYTE*)::FindDIBBits(phDIB);//指向宿主位图的RGB值;
lpDIBBits = (BYTE*)::FindDIBBits(pDIB);//指向源宿主位图的RGB值;
for (i=0; i < lpBI->biWidth; i++)
{
for (j = 0; j < lpBI->biHeight; j++)
{
if(lpBI->biBitCount!=24)
{
*lphDIBBits = (BYTE)(((float)*lphDIBBits - (1 - temp) * (float)*lpDIBBits)/temp);
lphDIBBits++;
lpDIBBits++;
}
else
{
*lphDIBBits = (BYTE)(((float)*lphDIBBits - (1 - temp) * (float)*lpDIBBits)/temp);
lphDIBBits++;
lpDIBBits++;
*lphDIBBits = (BYTE)(((float)*lphDIBBits - (1 - temp) * (float)*lpDIBBits)/temp);
lphDIBBits++;
lpDIBBits++;
*lphDIBBits = (BYTE)(((float)*lphDIBBits - (1 - temp) * (float)*lpDIBBits)/temp);
lphDIBBits++;
lpDIBBits++;
}
}
}
::GlobalUnlock((HGLOBAL) hDIB);
::GlobalUnlock((HGLOBAL) shDIB);
AfxMessageBox("请保存解融合后的机要位图！");
CFileDialog m_saveDialog(FALSE,NULL,"*.bmp",NULL,"位图文件(*.bmp)");
m_saveDialog.DoModal();
FileName=m_saveDialog.GetPathName();
FileName.ReleaseBuffer();
if (!savefile.Open(FileName, CFile::modeCreate |
CFile::modeReadWrite | CFile::shareExclusive, &fe))
{
AfxMessageBox("文件不能保存！");
return ;
}
::SaveDIB( shDIB, savefile);
savefile.Close();
}
/************************************************************************/
/*灰度图加密函数
*/
/************************************************************************/
void CDibView::OnHuiDuTu()
{
CDibDoc* pDoc = GetDocument();
HDIB shDIB,hDIB = pDoc->GetHDIB();//hDIB指向机要位图，shDIB指向宿主位图句柄;
LPBITMAPINFOHEADER lphBI,lpBI;//lpBI指向机要位图，lphBI指向宿主位图信息头;
BYTE *lphDIBBits, *lpDIBBits;//*lpDIBBits指向机要位图，*lphDIBBits指向宿主位图RGB值;
LPSTR pDIB,phDIB;//pDIB指向机要位图，phDIB指向宿主位图首地址;
unsigned int b1,b2,b3,s,h;
long i,j,*phBits;
if(hDIB==NULL)
{
AfxMessageBox("请打开位图文件！");
return;
}
pDIB = (LPSTR) ::GlobalLock((HGLOBAL) hDIB);
lpBI = (LPBITMAPINFOHEADER)pDIB;
if (lpBI->biBitCount!=8)
{
AfxMessageBox("这张不是灰度图！");
return;
}
AfxMessageBox("请选择宿主位图！");
CFile m_File,savefile;
CFileException fe,savefe;
CString FileName;
CFileDialog m_Dialog(TRUE,NULL,"*.bmp",NULL,"位图文件(*.bmp)");
m_Dialog.DoModal();
FileName=m_Dialog.GetPathName();
FileName.ReleaseBuffer();
if (!m_File.Open(FileName, CFile::modeRead | CFile::shareExclusive, &fe))
{
AfxMessageBox("文件打不开！");
return ;
}
shDIB = ::ReadDIBFile(m_File);
phDIB = (LPSTR) ::GlobalLock((HGLOBAL) shDIB);
lphBI = (LPBITMAPINFOHEADER)phDIB;
if(lphBI->biBitCount<24)
{
AfxMessageBox("宿主位图必须是真彩色！");
return;
}
if(lphBI->biWidth * lphBI->biHeight /3 <= lpBI->biWidth * lpBI->biHeight)
{
AfxMessageBox("宿主位图太小不能隐藏！");
return;
}
phBits = (long*)::FindDIBBits(phDIB);//指向宿主位图的RGB值;
lpDIBBits = (BYTE*)::FindDIBBits(pDIB);//指向机要位图的RGB值;
*phBits = 0x4d424d42;
phBits++;
*phBits = lpBI->biWidth;
phBits ++;
*phBits = lpBI->biHeight;
phBits ++;
lphDIBBits = (BYTE*)phBits;
lphDIBBits++;
lphDIBBits++;
for (i=0; i < lpBI->biWidth; i++)
{
for (j = 0; j < lpBI->biHeight; j++)
{
s = *lpDIBBits;
b3 = s % 10;
s = s /10;
b2 = s %10;
s = s /10;
b1 = s;
lpDIBBits++;
h = *lphDIBBits;
h = h /10;
*lphDIBBits = h * 10 + b1;
lphDIBBits++;
h = *lphDIBBits;
h = h /10;
*lphDIBBits = h * 10 + b2;
lphDIBBits++;
h = *lphDIBBits;
h = h /10;
*lphDIBBits = h * 10 + b3;
lphDIBBits++;
}
}
::GlobalUnlock((HGLOBAL) hDIB);
::GlobalUnlock((HGLOBAL) shDIB);
AfxMessageBox("请保存藏有机要位图的宿主位图！");
CFileDialog m_saveDialog(FALSE,NULL,"*.bmp",NULL,"位图文件(*.bmp)");
m_saveDialog.DoModal();
FileName=m_saveDialog.GetPathName();
FileName.ReleaseBuffer();
if (!savefile.Open(FileName, CFile::modeCreate |
CFile::modeReadWrite | CFile::shareExclusive, &fe))
{
AfxMessageBox("文件不能保存！");
return ;
}
::SaveDIB( shDIB, savefile);
savefile.Close();
}
/************************************************************************/
/* 灰度图解密函数
*/
/************************************************************************/
void CDibView::OnJhudutu()
{
CDibDoc* pDoc = GetDocument();
HANDLE hDIB,hDib;//hLogPal指向调色板;hDIB指向机要位图的RGB值;hDib指向机要位图信息头
HDIB shDIB = pDoc->GetHDIB();
if(shDIB==NULL)
{
AfxMessageBox("请打开位图文件！");
return;
}
BITMAPFILEHEADER bmfHdr;
DWORD dwDIBSize;
LPBITMAPINFO lpBI;//lpBI指向机要位图;
hDib = ::GlobalAlloc (GHND, sizeof(BITMAPINFOHEADER) + 256*sizeof(RGBQUAD));
lpBI = (LPBITMAPINFO)::GlobalLock((HGLOBAL) hDib);
LONG i,j,*phBits;
unsigned int b1,b2,b3,h;
LPSTR pDIB,phDIB;//phDIB指向藏有位图的宿主位图;pDIB指向机要位图;
phDIB = (LPSTR) ::GlobalLock((HGLOBAL) shDIB);
phBits = (long *)::FindDIBBits(phDIB);//指向藏有位图的宿主位图的RGB值
if(*phBits!=0x4d424d42)
{
AfxMessageBox("这张位图没有加密！");
return;
}
phBits++;
lpBI->bmiHeader.biWidth = *phBits;//得到机要位图的宽
phBits ++;
lpBI->bmiHeader.biHeight = *phBits;//得到机要位图的高
phBits ++;
BYTE *lphDIBBits, *lpDIBBits;//*lphDIBBits指向藏有位图的宿主位图，*lpDIBBits指向机要位图;
hDIB = ::GlobalAlloc (GHND, WIDTHBYTES((lpBI->bmiHeader.biWidth)* 8 )* lpBI->bmiHeader.biHeight);//分配机要位图RGB大小;
lpDIBBits = (BYTE *) ::GlobalLock((HGLOBAL) hDIB);
lphDIBBits = (BYTE *)phBits;
lphDIBBits++;
lphDIBBits++;
for ( i=0; i < lpBI->bmiHeader.biWidth; i++ )
{
for ( j=0; j < lpBI->bmiHeader.biHeight; j++)
{
h = *lphDIBBits;
b1 = h % 10;
lphDIBBits++;
h = *lphDIBBits;
b2 = h % 10;
lphDIBBits++;
h = *lphDIBBits;
b3 = h % 10;
lphDIBBits++;
*lpDIBBits = b1*100 + b2*10 + b3;
lpDIBBits++;
}
}
::GlobalUnlock((HGLOBAL) hDIB);
pDIB = (LPSTR)::GlobalLock((HGLOBAL) hDIB);
//以下是填充文件头信息;
for (h=0; h < 256; h++)
{
lpBI->bmiColors[h].rgbBlue=h;
lpBI->bmiColors[h].rgbGreen=h;
lpBI->bmiColors[h].rgbRed=h;
lpBI->bmiColors[h].rgbReserved=0;
}//填充调色板;
bmfHdr.bfType = 0x4d42; //填充文件头
bmfHdr.bfReserved1 = 0;
bmfHdr.bfReserved2 = 0;
dwDIBSize = WIDTHBYTES((lpBI->bmiHeader.biWidth)* 8 )* lpBI->bmiHeader.biHeight;
bmfHdr.bfOffBits = (DWORD)sizeof(BITMAPFILEHEADER) + (DWORD)sizeof(BITMAPINFOHEADER) + (DWORD)256*sizeof(RGBQUAD);
bmfHdr.bfSize = bmfHdr.bfOffBits + dwDIBSize;
//以下是填充信息头
lpBI->bmiHeader.biSize = (DWORD)sizeof(BITMAPINFOHEADER);
lpBI->bmiHeader.biPlanes = 1;
lpBI->bmiHeader.biBitCount = 8;
lpBI->bmiHeader.biCompression =0;
lpBI->bmiHeader.biSizeImage = dwDIBSize;
lpBI->bmiHeader.biClrUsed = 0;
//以下是保存文件;
AfxMessageBox("请保存解密后的机要位图！");
CFile m_File;
CFileException fe;
CString FileName;
CFileDialog m_Dialog(FALSE,NULL,"*.bmp",NULL,"位图文件(*.bmp)");
m_Dialog.DoModal();
FileName=m_Dialog.GetPathName();
FileName.ReleaseBuffer();
if (!m_File.Open(FileName, CFile::modeCreate |
CFile::modeReadWrite | CFile::shareExclusive, &fe))
{
AfxMessageBox("文件保存失败！");
return ;
}
m_File.Write((LPSTR)&bmfHdr, sizeof(BITMAPFILEHEADER));
m_File.Write((LPSTR)lpBI, sizeof(BITMAPINFOHEADER) + 256*sizeof(RGBQUAD));
m_File.WriteHuge(pDIB,dwDIBSize);
::GlobalUnlock((HGLOBAL) hDIB);
::GlobalUnlock((HGLOBAL) hDib);
m_File.Close();
}
/************************************************************************/
/* 置乱加密函数
*/
/************************************************************************/
void CDibView::OnZhiLuan()
{
CDibDoc* pDoc = GetDocument();
HDIB hDIB = pDoc->GetHDIB();
if(hDIB==NULL)
{
AfxMessageBox("请打开位图文件！");
return;
}
long i,j;
LPBITMAPINFOHEADER lpbi;
LPSTR lpDIBHdr;
BYTE *lpDIBBits,temp;
lpDIBHdr=(LPSTR) ::GlobalLock((HGLOBAL)hDIB);
lpbi=(LPBITMAPINFOHEADER)lpDIBHdr;
lpDIBBits=(BYTE*)::FindDIBBits(lpDIBHdr);
for (i = 0;i < lpbi->biHeight;i++)
{
for (j = 0; j<lpbi->biWidth; j++)
{
if(lpbi->biBitCount!=24)//每个字节右移两位;
{
temp = *lpDIBBits;
temp = (temp<<6)&0xc0;
*lpDIBBits = (*lpDIBBits>>2)&0x3f;
*lpDIBBits = (*lpDIBBits) | temp;
lpDIBBits++;
}
else
{
temp = *lpDIBBits;
temp = (temp<<6)&0xc0;
*lpDIBBits = (*lpDIBBits>>2)&0x3f;
*lpDIBBits = (*lpDIBBits) | temp;
lpDIBBits++;
temp = *lpDIBBits;
temp = (temp<<6)&0xc0;
*lpDIBBits = (*lpDIBBits>>2)&0x3f;
*lpDIBBits = (*lpDIBBits) | temp;
lpDIBBits++;
temp = *lpDIBBits;
temp = (temp<<6)&0xc0;
*lpDIBBits = (*lpDIBBits>>2)&0x3f;
*lpDIBBits = (*lpDIBBits) | temp;
lpDIBBits++;
}
}
}
::GlobalUnlock((HGLOBAL) hDIB);
AfxMessageBox("请保存置乱后的机要位图！");
CFileDialog m_Dialog(false,NULL,"*.bmp",NULL,"位图文件(*.bmp)");//保存文件;
m_Dialog.DoModal();
CString FileName;
FileName=m_Dialog.GetPathName();
FileName.ReleaseBuffer();
CFile file;
CFileException fe;
if (!file.Open(FileName, CFile::modeCreate | CFile::modeReadWrite | CFile::shareExclusive, &fe))
{
return ;
}
SendMessageToDescendants(WM_DOREALIZE, 1);
::SaveDIB(hDIB, file);
file.Close();
}
/************************************************************************/
/* 置乱解密函数
*/
/************************************************************************/
void CDibView::OnJzhiluan()
{
CDibDoc* pDoc = GetDocument();
HDIB hDIB = pDoc->GetHDIB();
if(hDIB==NULL)
{
AfxMessageBox("请打开位图文件！");
return;
}
long i;
LPBITMAPINFOHEADER lpbi;
LPSTR lpDIBHdr;
BYTE *lpDIBBits,temp;
lpDIBHdr=(LPSTR) ::GlobalLock((HGLOBAL)hDIB);
lpbi=(LPBITMAPINFOHEADER)lpDIBHdr;
lpDIBBits=(BYTE*)::FindDIBBits(lpDIBHdr);
for (i=0;i < (lpbi->biHeight*lpbi->biWidth);i++)
{
if(lpbi->biBitCount!=24)//每个字节右移两位;
{
temp = *lpDIBBits;
temp = (temp>>6)&0x03;
*lpDIBBits = (*lpDIBBits<<2)&0xfc;
*lpDIBBits = (*lpDIBBits) | temp;
lpDIBBits++;
}
else
{
temp = *lpDIBBits;
temp = (temp>>6)&0x03;
*lpDIBBits = (*lpDIBBits<<2)&0xfc;
*lpDIBBits = (*lpDIBBits) | temp;
lpDIBBits++;
temp = *lpDIBBits;
temp = (temp>>6)&0x03;
*lpDIBBits = (*lpDIBBits<<2)&0xfc;
*lpDIBBits = (*lpDIBBits) | temp;
lpDIBBits++;
temp = *lpDIBBits;
temp = (temp>>6)&0x03;
*lpDIBBits = (*lpDIBBits<<2)&0xfc;
*lpDIBBits = (*lpDIBBits) | temp;
lpDIBBits++;
}
}
::GlobalUnlock((HGLOBAL) hDIB);
AfxMessageBox("请保存解密后的机要位图！");
CFileDialog m_Dialog(false,NULL,"*.bmp",NULL,"位图文件(*.bmp)");//保存文件;
m_Dialog.DoModal();
CString FileName;
FileName=m_Dialog.GetPathName();
FileName.ReleaseBuffer();
CFile file;
CFileException fe;
if (!file.Open(FileName, CFile::modeCreate | CFile::modeReadWrite | CFile::shareExclusive, &fe))
{
return ;
}
SendMessageToDescendants(WM_DOREALIZE, 1);
::SaveDIB(hDIB, file);
file.Close();
}
2007-05-16 11:01
Je9oZ0xM.rar