jcreateview.cpp

一种二值图象无损压缩算法 南京理工大学电光学院 【摘 要】利用稀疏矩阵和差分编码对二色图像进行压缩保存

// JCreateView.cpp : implementation of the CJCreateView class
//

#include "stdafx.h"
#include "JCreate.h"

#include "JCreateDoc.h"
#include "JCreateView.h"
#include "J.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CJCreateView

IMPLEMENT_DYNCREATE(CJCreateView, CView)

BEGIN_MESSAGE_MAP(CJCreateView, CView)
	//{{AFX_MSG_MAP(CJCreateView)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CJCreateView construction/destruction

CJCreateView::CJCreateView()
{
	// TODO: add construction code here

}

CJCreateView::~CJCreateView()
{
}

BOOL CJCreateView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CJCreateView drawing

void CJCreateView::OnDraw(CDC* pDC)
{
	CJCreateDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	//获得图像指针
	CJ *pJ = pDoc->GetImage();

	if(pJ->GetJFH() != NULL)
	{
		pJ->JWrite(pDC);
	}
}

/////////////////////////////////////////////////////////////////////////////
// CJCreateView printing

BOOL CJCreateView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CJCreateView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CJCreateView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CJCreateView diagnostics

#ifdef _DEBUG
void CJCreateView::AssertValid() const
{
	CView::AssertValid();
}

void CJCreateView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CJCreateDoc* CJCreateView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CJCreateDoc)));
	return (CJCreateDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CJCreateView message handlers