imageview.cpp

《Visual C++.NET MFC类库应用详解》程序实例

// ImageView.cpp : implementation of the CImageView class
//

#include "stdafx.h"
#include "Image.h"

#include "ImageDoc.h"
#include "ImageView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CImageView

IMPLEMENT_DYNCREATE(CImageView, CView)

BEGIN_MESSAGE_MAP(CImageView, CView)
	//{{AFX_MSG_MAP(CImageView)
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_COMMAND(ID_PROCESS_ADD, OnProcessAdd)
	ON_UPDATE_COMMAND_UI(ID_PROCESS_ADD, OnUpdateProcessAdd)
	ON_COMMAND(ID_PROCESS_EDGE_LAPLACE, OnProcessEdgeLaplace)
	ON_UPDATE_COMMAND_UI(ID_PROCESS_EDGE_LAPLACE, OnUpdateProcessEdgeLaplace)
	ON_COMMAND(ID_PROCESS_EDGE_SOBEL, OnProcessEdgeSobel)
	ON_UPDATE_COMMAND_UI(ID_PROCESS_EDGE_SOBEL, OnUpdateProcessEdgeSobel)
	ON_COMMAND(ID_PROCESS_INVERT, OnProcessInvert)
	ON_UPDATE_COMMAND_UI(ID_PROCESS_INVERT, OnUpdateProcessInvert)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CImageView construction/destruction

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

}

CImageView::~CImageView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CImageView drawing

void CImageView::OnDraw(CDC* pDC)
{
	CImageDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
    if(m_Dib.m_bit24)
	{
	    m_Dib.Show(pDC);
	}
	else
	{
  	    m_Dib.SetPalette(pDC);
	    m_Dib.Draw(pDC,0,0);
	}
}

/////////////////////////////////////////////////////////////////////////////
// CImageView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CImageView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CImageView message handlers

void CImageView::OnFileOpen() 
{
	// TODO: Add your command handler code here
	static char szFilter[]="BMP Files(*.BMP)|*.BMP||";
	CFileDialog FileDlg(TRUE,NULL,NULL,OFN_HIDEREADONLY,szFilter);
	if(FileDlg.DoModal()==IDOK &&m_Dib.Load(FileDlg.GetPathName()))
	{  InvalidateRect(NULL,TRUE);
	   UpdateWindow();
	}	
}

void CImageView::OnProcessAdd() 
{
	// TODO: Add your command handler code here
	m_Dib.Add();
	Invalidate();			
}

void CImageView::OnUpdateProcessAdd(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
    pCmdUI->Enable(m_Dib.m_bit24);	
	
}

void CImageView::OnProcessEdgeLaplace() 
{
	// TODO: Add your command handler code here
	m_Dib.Edge_Laplace(100);
	Invalidate();			
}

void CImageView::OnUpdateProcessEdgeLaplace(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
    pCmdUI->Enable(m_Dib.m_bit24);	
	
}

void CImageView::OnProcessEdgeSobel() 
{
	// TODO: Add your command handler code here
	m_Dib.Edge_Sobel();
	Invalidate();		
	
}

void CImageView::OnUpdateProcessEdgeSobel(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
    pCmdUI->Enable(m_Dib.m_bit24);	
	
}

void CImageView::OnProcessInvert() 
{
	// TODO: Add your command handler code here
	m_Dib.Invert();
	Invalidate();			
}

void CImageView::OnUpdateProcessInvert(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
    pCmdUI->Enable(m_Dib.m_bit24);	
	
}