digitalimagepview.cpp

本人自己编写的数字图像处理

// DigitalImagePView.cpp : implementation of the CDigitalImagePView class
//
#include "MyBitmap.h"
#include "stdafx.h"
#include "DigitalImageP.h"

#include "DigitalImagePDoc.h"
#include "DigitalImagePView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDigitalImagePView
CBitmapFile bitmap;
CString	BmpFileName;
LPBITMAPINFO lpInfo;//位图信息指针
LPBYTE lpData;//位图数据指针
LONG width;//位图宽度
LONG height;//位图高度
IMPLEMENT_DYNCREATE(CDigitalImagePView, CView)
BEGIN_MESSAGE_MAP(CDigitalImagePView, CView)
	//{{AFX_MSG_MAP(CDigitalImagePView)
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_COMMAND(ID_LINEARTRANSFORMATION, OnLineartransformation)
	ON_COMMAND(ID_LAPULS, OnLapuls)
	ON_COMMAND(ID_SOBLE, OnSoble)
	ON_COMMAND(ID_REGIONSEGADAPTIVE, OnRegionsegadaptive)
	//}}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()
/////////////////////////////////////////////////////////////////////////////
// CDigitalImagePView construction/destruction

CDigitalImagePView::CDigitalImagePView()
{
	// TODO: add construction code here
    
}

CDigitalImagePView::~CDigitalImagePView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CDigitalImagePView drawing

void CDigitalImagePView::OnDraw(CDC* pDC)
{
	CDigitalImagePDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
    SetDIBitsToDevice(pDC->GetSafeHdc(),0,0,width,height,0,0,0,height,lpData,lpInfo,DIB_RGB_COLORS);
}

/////////////////////////////////////////////////////////////////////////////
// CDigitalImagePView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CDigitalImagePView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CDigitalImagePView message handlers

//打开文件
void CDigitalImagePView::OnFileOpen() 
{
	// TODO: Add your command handler code here
	CFileDialog MyFileDialog(TRUE,NULL,NULL,0,"位图文件(*.bmp)|*.bmp|所有文件(*.*)|*.*||");
	if(MyFileDialog.DoModal()==IDOK)
	{
 	   	BmpFileName=MyFileDialog.GetPathName();		
		bitmap.LoadBitmap(BmpFileName);
		lpInfo=bitmap.GetBitmapInfo();
		lpData=bitmap.GetBitmapData();
        width=bitmap.GetBitmapWidth();
		height=bitmap.GetBitmapHeight();
	    Invalidate();
	}
}

//线性变换
void CDigitalImagePView::OnLineartransformation() 
{
	// TODO: Add your command handler code here
    if (!lpData)
	{
		MessageBox("没有文件打开");
		return;
	}
    bitmap.LinearTransformation(lpData,lpInfo,width,height);
	Invalidate();
}

void CDigitalImagePView::OnLapuls() 
{
	// TODO: Add your command handler code here
    if (!lpData)
	{
		MessageBox("没有文件打开");
		return;
	}
	bitmap.Lapuls(lpData,lpInfo,width,height);
	Invalidate();
}

void CDigitalImagePView::OnSoble() 
{
	// TODO: Add your command handler code here
    if (!lpData)
	{
		MessageBox("没有文件打开");
		return;
	}
	bitmap.Soble(lpData,lpInfo,width,height);
	Invalidate();
}

void CDigitalImagePView::OnRegionsegadaptive() 
{
	// TODO: Add your command handler code here
    if (!lpData)
	{
		MessageBox("没有文件打开");
		return;
	}	
	if(lpInfo->bmiHeader.biBitCount!=8)
	{
		MessageBox("目前只支持256色位图的图像分割");
	    return;
	}
    bitmap.Regionsegadaptive(lpData,lpInfo,width,height);
	Invalidate();
}