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大小: 54KB文件類型: .rar金幣: 2下載: 0 次發(fā)布日期: 2021-05-18
- 語言: C/C++
- 標(biāo)簽: LZW??數(shù)據(jù)壓縮??源碼??
資源簡介
多媒體數(shù)據(jù)壓縮算法LZW算法源碼,VC++環(huán)境實(shí)現(xiàn),可對圖片、文檔等進(jìn)行壓縮

代碼片段和文件信息
//?decodedl.cpp?:?implementation?file
//
#include?“stdafx.h“
#include?“tlzw.h“
#include?“decodedl.h“?????
#include?“l(fā)zwtable.h“
#include?“l(fā)zwcode.h“
#include?“l(fā)zwfile.h“
#include?“batchdlg.h“
#ifdef?_DEBUG
#undef?THIS_FILE
static?char?baseD_CODE?THIS_FILE[]?=?__FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
//?CDecodeDlg?dialog
CDecodeDlg::CDecodeDlg(CWnd*?pParent?/*=NULL*/)
:?CDialog(CDecodeDlg::IDD?pParent)
{
//{{AFX_DATA_INIT(CDecodeDlg)
m_szDirName?=?““;
m_szHGLZName?=?““;
//}}AFX_DATA_INIT
}
void?CDecodeDlg::DoDataExchange(CDataExchange*?pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CDecodeDlg)
DDX_Control(pDX?IDC_ALL_FILES?m_listFiles);
DDX_Text(pDX?IDC_DIR_NAME?m_szDirName);
DDX_Text(pDX?IDC_HGLZ_NAME?m_szHGLZName);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CDecodeDlg?CDialog)
//{{AFX_MSG_MAP(CDecodeDlg)
ON_BN_CLICKED(IDC_SEL_HGLZ?OnSelHglz)
ON_BN_CLICKED(IDC_DECOMPRESS?OnDecompress)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
//?CDecodeDlg?message?handlers
void?CDecodeDlg::OnSelHglz()
{
CString?szF(“HGLZ?Files?(*.HLZ)?|?*.HLZ?||“);
CFileDialog?dlg(TRUENULLNULLOFN_HIDEREADONLY?|?OFN_OVERWRITEPROMPTszF);
if(dlg.DoModal()==IDOK)
{
CString?szOut=dlg.GetPathName();
m_szHGLZName=szOut;
UpdateData(FALSE);
}
else
return;
CStringArray?array;
m_listFiles.ResetContent();
if(LZWParseFileHead(m_szHGLZNamearray))
{
for(int?i=0;i {
CString?szName=array.GetAt(i);
m_listFiles.AddString(szName);
}
}
array.RemoveAll();
}
void?CDecodeDlg::OnDecompress()
{
UpdateData();
if(m_szHGLZName.GetLength()==0)
{
AfxMessageBox(“file?name?invalid“);
return;
}
int?iSelCount=m_listFiles.GetSelCount();
if(LB_ERR==iSelCount?||?0==iSelCount)
return;
int?*piSel=new?int[iSelCount];
if(LB_ERR==m_listFiles.GetSelItems(iSelCountpiSel))
return;
CBatchDlg?dlg(m_szHGLZNamem_szDirNamepiSeliSelCount);
dlg.DoModal();
delete?piSel;
/* for(int?i=0;i {
LZWDecodeFileOnPosition(m_szHGLZNamem_szDirName(DWORD)piSel[i]NULL);
}
AfxMessageBox(“end?decompress“);
*/
}
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
????..AD...?????????0??1998-12-30?17:03??15040311351\Release
?????文件??????43152??1998-12-30?17:32??15040311351\Tlzw.aps
?????文件??????12985??1998-01-19?21:18??15040311351\hglz.bak
?????文件???????2007??1998-01-16?09:56??15040311351\TRY.C
?????文件???????3400??1998-12-30?17:32??15040311351\Tlzw.clw
?????文件???????5122??1998-01-19?08:42??15040311351\BATCHDLG.CPP
?????文件???????2331??1998-06-02?10:31??15040311351\Decodedl.cpp
?????文件???????6143??1998-01-15?20:59??15040311351\ENLZW.CPP
?????文件???????9247??1998-03-30?08:54??15040311351\Lzwcode.cpp
?????文件??????16565??1998-01-19?08:59??15040311351\LZWFILE.CPP
?????文件???????4404??1998-01-16?18:15??15040311351\LZWTABLE.CPP
?????文件???????1117??1998-01-16?23:38??15040311351\MAINFRM.CPP
?????文件???????2990??1998-06-02?10:31??15040311351\Singledl.cpp
?????文件????????204??1998-01-13?20:24??15040311351\STDAFX.CPP
?????文件???????3309??1998-01-13?20:24??15040311351\TLZW.CPP
?????文件???????1684??1998-01-13?20:24??15040311351\TLZWDOC.CPP
?????文件???????2149??1998-01-18?11:25??15040311351\TLZWVIEW.CPP
?????文件????????218??1998-12-30?17:07??15040311351\Tlzw.def
?????文件???????5332??1998-12-30?17:12??15040311351\hglz.dsp
?????文件????????531??1998-03-30?12:13??15040311351\hglz.dsw
?????文件???????1280??1998-01-18?11:38??15040311351\BATCHDLG.H
?????文件????????691??1998-01-18?09:59??15040311351\DECODEDL.H
?????文件???????3563??1998-01-16?18:25??15040311351\LZWCODE.H
?????文件???????2854??1998-01-18?11:14??15040311351\LZWFILE.H
?????文件???????1569??1998-01-14?15:41??15040311351\LZWTABLE.H
?????文件????????679??1998-01-16?23:37??15040311351\MAINFRM.H
?????文件???????1535??1998-01-18?15:25??15040311351\RESOURCE.H
?????文件????????764??1998-01-18?08:43??15040311351\SINGLEDL.H
?????文件????????299??1998-01-13?20:24??15040311351\STDAFX.H
?????文件????????805??1998-01-13?20:24??15040311351\TLZW.H
............此處省略21個(gè)文件信息
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