showcodedlg.cpp

对文本文件进行huffman编码

// ShowCodeDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "huffman.h"
#include "ShowCodeDlg.h"
#include ".\showcodedlg.h"


// CShowCodeDlg 对话框

IMPLEMENT_DYNAMIC(CShowCodeDlg, CDialog)
CShowCodeDlg::CShowCodeDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CShowCodeDlg::IDD, pParent)
{
}

CShowCodeDlg::~CShowCodeDlg()
{
}

void CShowCodeDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_SHOWCODELIST1, m_ctrSCList);
}


BEGIN_MESSAGE_MAP(CShowCodeDlg, CDialog)
END_MESSAGE_MAP()


// CShowCodeDlg 消息处理程序

BOOL CShowCodeDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	m_ctrSCList.InsertColumn(1,_T("字符"),LVCFMT_LEFT,48);
	m_ctrSCList.InsertColumn(2,_T("出现次数"),LVCFMT_LEFT,48);
	m_ctrSCList.InsertColumn(3,_T("百分比"),LVCFMT_LEFT,72);
	m_ctrSCList.InsertColumn(4,_T("哈夫曼编码"),LVCFMT_LEFT,96);

	char ** HC=theApp.m_HuffTree.HufmanCode();
	float sum=0.0;
	int i;
	for(i=0;i<theApp.m_HuffTree.m_nCNum;i++)
		sum+=theApp.m_HuffTree.m_pHT[i+1].weight;
	for(i=0;i<theApp.m_HuffTree.m_nCNum;i++)
	{
		float gl=(theApp.m_HuffTree.m_pHT[i+1].weight/sum)*100;
		CString baif;
		baif.Format("%.2f",gl);
		baif+="%";
		CString cis;
		cis.Format("%d",theApp.m_HuffTree.m_pHT[i+1].weight);
		CString code;
		code.Format("%s",HC[i+1]);
		CString zif;
		zif.Format("%c",theApp.m_HuffTree.m_pHT[i+1].data);
		m_ctrSCList.InsertItem(i,zif);
		m_ctrSCList.SetItemText(i,1,cis);
		m_ctrSCList.SetItemText(i,2,baif);
		m_ctrSCList.SetItemText(i,3,code);
	}
	return TRUE;  // return TRUE unless you set the focus to a control
	// 异常: OCX 属性页应返回 FALSE
}