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DataHiderView.cpp
资源名称：08.zip　[点击查看]
上传用户：ynjin1970
上传日期：2014-10-13
资源大小：6438k
文件大小：9k
源码类别：

中间件编程

开发平台：

Visual C++

DataHiderView.cpp：源码内容
  1. // DataHiderView.cpp : implementation of the CDataHiderView class
  2. //
  4. #include "stdafx.h"
  5. #include "DataHider.h"
  7. #include "DataHiderDoc.h"
  8. #include "DataHiderView.h"
  10. #ifdef _DEBUG
  11. #define new DEBUG_NEW
  12. #undef THIS_FILE
  13. static char THIS_FILE[] = __FILE__;
  14. #endif
  16. /////////////////////////////////////////////////////////////////////////////
  17. // CDataHiderView
  19. IMPLEMENT_DYNCREATE(CDataHiderView, CFormView)
  21. BEGIN_MESSAGE_MAP(CDataHiderView, CFormView)
  22. //{{AFX_MSG_MAP(CDataHiderView)
  23. ON_BN_CLICKED(IDC_BASEBMP, OnBasebmp)
  24. ON_BN_CLICKED(IDC_HIDEFILE, OnHidefile)
  25. ON_BN_CLICKED(IDC_DOHIDE, OnDohide)
  26. ON_BN_CLICKED(IDC_RESUMEDATA, OnResumedata)
  27. ON_BN_CLICKED(IDC_BASEFILE, OnBasefile)
  28. //}}AFX_MSG_MAP
  29. END_MESSAGE_MAP()
  31. /////////////////////////////////////////////////////////////////////////////
  32. // CDataHiderView construction/destruction
  34. CDataHiderView::CDataHiderView()
  35. : CFormView(CDataHiderView::IDD)
  36. {
  37. //{{AFX_DATA_INIT(CDataHiderView)
  38. // NOTE: the ClassWizard will add member initialization here
  39. //}}AFX_DATA_INIT
  40. // TODO: add construction code here
  42. t=0.035; //融合系数
  43. }
  45. CDataHiderView::~CDataHiderView()
  46. {
  47. }
  49. void CDataHiderView::DoDataExchange(CDataExchange* pDX)
  50. {
  51. CFormView::DoDataExchange(pDX);
  52. //{{AFX_DATA_MAP(CDataHiderView)
  53. // NOTE: the ClassWizard will add DDX and DDV calls here
  54. //}}AFX_DATA_MAP
  55. }
  57. BOOL CDataHiderView::PreCreateWindow(CREATESTRUCT& cs)
  58. {
  59. // TODO: Modify the Window class or styles here by modifying
  60. //  the CREATESTRUCT cs
  62. return CFormView::PreCreateWindow(cs);
  63. }
  65. void CDataHiderView::OnInitialUpdate()
  66. {
  67. CFormView::OnInitialUpdate();
  68. GetParentFrame()->RecalcLayout();
  69. ResizeParentToFit();
  71. }
  73. /////////////////////////////////////////////////////////////////////////////
  74. // CDataHiderView diagnostics
  76. #ifdef _DEBUG
  77. void CDataHiderView::AssertValid() const
  78. {
  79. CFormView::AssertValid();
  80. }
  82. void CDataHiderView::Dump(CDumpContext& dc) const
  83. {
  84. CFormView::Dump(dc);
  85. }
  87. CDataHiderDoc* CDataHiderView::GetDocument() // non-debug version is inline
  88. {
  89. ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDataHiderDoc)));
  90. return (CDataHiderDoc*)m_pDocument;
  91. }
  92. #endif //_DEBUG
  94. /////////////////////////////////////////////////////////////////////////////
  95. // CDataHiderView message handlers
  97. void CDataHiderView::OnBasebmp() 
  98. {
  99. CFileDialog dlg(TRUE,"bmp","*.bmp",OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,"载体位图文件(*.bmp)|*.bmp||",NULL);
  100. if(dlg.DoModal()==IDOK)
  101. {
  102. m_bCanConv1=true;
  103. m_sCarrierFile=dlg.GetPathName();
  104. }
  105. else
  106. m_bCanConv1=false;
  107. }
  109. void CDataHiderView::OnHidefile() 
  110. {
  111. CFileDialog dlg(TRUE,"*","*.*",OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,"待隐藏文件(*.*)|*.*||",NULL);
  112. if(dlg.DoModal()==IDOK)
  113. {
  114. m_bCanConv2=true;
  115. m_sHideFile=dlg.GetPathName();
  116. m_sHideFileName=dlg.GetFileName();
  117. }
  118. else
  119. m_bCanConv2=false;
  120. }
  122. void CDataHiderView::OnDohide() 
  123. {
  124. CFile BaseFile,HideFile;
  125. DWORD BaseFileLen,HideFileLen;
  127. unsigned char* BaseData;
  128. unsigned char* HideData;
  131. if(m_bCanConv1==true && m_bCanConv2==true)
  132. {
  133. BaseFile.Open(m_sCarrierFile,CFile::modeReadWrite);
  134. BaseFileLen=BaseFile.GetLength();
  135. HideFile.Open(m_sHideFile,CFile::modeReadWrite);
  136. HideFileLen=HideFile.GetLength();
  138. //信息头：文件名*文件长*
  139. CString InfoHead;
  140. InfoHead.Format("%s*%d*",m_sHideFileName,HideFileLen);
  141. int HeadLen=InfoHead.GetLength();
  143. if(BaseFileLen<((HeadLen+HideFileLen)*8)/3+100)
  144. {
  145. AfxMessageBox("待隐藏文件过大!请换一较大载体位图文件。");
  146. return;
  147. }
  149. BaseData=new unsigned char[BaseFileLen];
  150. BaseFile.Read(BaseData,BaseFileLen);
  151. HideData=new unsigned char[BaseFileLen];
  152. //对明文进行组帧
  153. for(int k=0;k<HeadLen;k++)
  154. HideData[k]=InfoHead.GetAt(k);
  155. HideFile.Read(HideData+HeadLen,HideFileLen);
  156. for(DWORD kk=HeadLen+HideFileLen;kk<BaseFileLen;kk++)
  157. HideData[kk]=0;
  159. if(BaseData[28]!=24)
  160. {
  161. AfxMessageBox("载体文件格式错误!");
  162. BaseFile.Close();
  163. if(BaseData!=NULL)
  164. delete BaseData;
  165. return;
  166. }
  167. unsigned char Temp=0;
  168. DWORD j=0;
  169. for(DWORD i=54;i<BaseFileLen;i++)
  170. {
  171. Temp=((HideData[j]&224)>>5)<<5; //1
  172. BaseData[i]=HideCalculate(BaseData[i],Temp);
  173. i++;
  174. Temp=((HideData[j]&28)>>2)<<5; //2
  175. BaseData[i]=HideCalculate(BaseData[i],Temp);
  176. i++;
  177. Temp=(HideData[j]&3)<<1; //3
  178. j++;
  179. Temp|=(HideData[j]&128)>>7;
  180. Temp*=32;
  181. BaseData[i]=HideCalculate(BaseData[i],Temp);
  182. i++;
  183. Temp=((HideData[j]&112)>>4)<<5; //4
  184. BaseData[i]=HideCalculate(BaseData[i],Temp);
  185. i++;
  186. Temp=((HideData[j]&14)>>1)<<5; //5
  187. BaseData[i]=HideCalculate(BaseData[i],Temp);
  188. i++;
  189. Temp=(HideData[j]&1)<<2; //6
  190. j++;
  191. Temp|=(HideData[j]&192)>>6;
  192. Temp*=32;
  193. BaseData[i]=HideCalculate(BaseData[i],Temp);
  194. i++;
  195. Temp=((HideData[j]&56)>>3)<<5; //7
  196. BaseData[i]=HideCalculate(BaseData[i],Temp);
  197. i++;
  198. Temp=(HideData[j]&7)<<5; //8
  199. BaseData[i]=HideCalculate(BaseData[i],Temp);
  200. j++;
  201. }
  203. BaseFile.Close();
  204. HideFile.Close();
  206. CFile file;
  207. file.Open("融合图像.bmp",CFile::modeCreate|CFile::modeReadWrite);
  208. file.Write(BaseData,BaseFileLen);
  209. file.Close();
  211. if(BaseData!=NULL)
  212. delete BaseData;
  213. if(HideData!=NULL)
  214. delete HideData;
  215. }
  216. }
  218. void CDataHiderView::OnBasefile() 
  219. {
  220. CFileDialog dlg(TRUE,"bmp","*.bmp",OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,"原始文件(*.bmp)|*.bmp||",NULL);
  221. if(dlg.DoModal()==IDOK)
  222. {
  223. m_bCanConv3=true;
  224. m_sBaseFile=dlg.GetPathName();
  225. }
  226. else
  227. m_bCanConv3=false;
  228. }
  230. void CDataHiderView::OnResumedata() 
  231. {
  232. CFile BaseFile;
  233. CFile CarrierFile;
  234. DWORD BaseFileLen;
  235. DWORD CarrierFileLen;
  237. unsigned char* BaseData;
  238. unsigned char* CarrierData;
  240. if(m_bCanConv1==true && m_bCanConv3==true)
  241. {
  242. CarrierFile.Open(m_sCarrierFile,CFile::modeReadWrite);
  243. CarrierFileLen=CarrierFile.GetLength();
  244. BaseFile.Open(m_sBaseFile,CFile::modeReadWrite);
  245. BaseFileLen=BaseFile.GetLength();
  247. if(BaseFileLen!=CarrierFileLen)
  248. {
  249. AfxMessageBox("选取的不是充作载体的原始文件!");
  250. CarrierFile.Close();
  251. BaseFile.Close();
  252. return;
  253. }
  255. CarrierData=new unsigned char[CarrierFileLen];
  256. CarrierFile.Read(CarrierData,CarrierFileLen);
  257. BaseData=new unsigned char[CarrierFileLen];
  258. BaseFile.Read(BaseData,CarrierFileLen);
  260. if(CarrierData[28]!=24)
  261. {
  262. AfxMessageBox("载体文件格式错误!");
  263. CarrierFile.Close();
  264. BaseFile.Close();
  265. if(CarrierData!=NULL)
  266. delete CarrierData;
  267. if(BaseData!=NULL)
  268. delete BaseData;
  269. return;
  270. }
  271. if(BaseData[28]!=24)
  272. {
  273. AfxMessageBox("原始文件格式错误!");
  274. CarrierFile.Close();
  275. BaseFile.Close();
  276. if(CarrierData!=NULL)
  277. delete CarrierData;
  278. if(BaseData!=NULL)
  279. delete BaseData;
  280. return;
  281. }
  282. unsigned char Temp=0;
  283. DWORD j=0;
  284. for(DWORD i=54;i<CarrierFileLen;i++)
  285. {
  286. Temp=(ShowCalculate(CarrierData[i],BaseData[i])&7)<<5;
  287. i++;
  288. Temp|=(ShowCalculate(CarrierData[i],BaseData[i])&7)<<2;
  289. i++;
  290. Temp|=(ShowCalculate(CarrierData[i],BaseData[i])&6)>>1;
  291. CarrierData[j]=Temp;
  292. j++;
  293. Temp=(ShowCalculate(CarrierData[i],BaseData[i])&1)<<7;
  294. i++;
  295. Temp|=(ShowCalculate(CarrierData[i],BaseData[i])&7)<<4;
  296. i++;
  297. Temp|=(ShowCalculate(CarrierData[i],BaseData[i])&7)<<1;
  298. i++;
  299. Temp|=(ShowCalculate(CarrierData[i],BaseData[i])&4)>>2;
  300. CarrierData[j]=Temp;
  301. j++;
  302. Temp=(ShowCalculate(CarrierData[i],BaseData[i])&3)<<6;
  303. i++;
  304. Temp|=(ShowCalculate(CarrierData[i],BaseData[i])&7)<<3;
  305. i++;
  306. Temp|=ShowCalculate(CarrierData[i],BaseData[i])&7;
  307. CarrierData[j]=Temp;
  308. j++;
  309. }
  310. BaseFile.Close();
  311. CarrierFile.Close();
  312. j=0;
  313. CString FileName="";
  314. while(true)
  315. {
  316. if(CarrierData[j]=='*')
  317. {
  318. j++;
  319. break;
  320. }
  321. else
  322. {
  323. FileName+=CString(CarrierData[j]);
  324. j++;
  325. }
  326. }
  327. CString FileLen="";
  328. while(true)
  329. {
  330. if(CarrierData[j]=='*')
  331. {
  332. j++;
  333. break;
  334. }
  335. else
  336. {
  337. FileLen+=CString(CarrierData[j]);
  338. j++;
  339. }
  340. }
  341. BaseFileLen=atoi(FileLen);
  343. CFile file;
  344. file.Open(FileName,CFile::modeCreate|CFile::modeReadWrite);
  345. file.Write(CarrierData+j,BaseFileLen);
  346. file.Close();
  348. if(BaseData!=NULL)
  349. delete BaseData;
  350. if(CarrierData!=NULL)
  351. delete CarrierData;
  352. }
  353. }
  355. unsigned char CDataHiderView::HideCalculate(unsigned char B, unsigned char H)
  356. {
  357. unsigned char R=(int)((1-t)*B+0.5f)+(int)(t*H+0.5f);
  358. return R;
  359. }
  361. unsigned char CDataHiderView::ShowCalculate(unsigned char C, unsigned char B)
  362. {
  363. unsigned char R=(int)((C- (int)((1-t)*B+0.5f))/t+0.5f);
  364. if(R%32>15)
  365. R+=15;
  366. R=(int)(R/32.0f+0.5f);
  367. return R;
  368. }