www.gusucode.com > VC++ 实现图像中的文字提取-源码程序 > VC++ 实现图像中的文字提取-源码程序/code/图像中文字提取的程序/ImageProcessingView.cpp

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// ImageProcessingView.cpp : implementation of the CImageProcessingView class
//

#include "stdafx.h"
#include "ImageProcessing.h"

#include "ImageProcessingDoc.h"
#include "ImageProcessingView.h"
#include  "GlobalApi.h"
//#include  "DlgCoding.h"

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

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingView

IMPLEMENT_DYNCREATE(CImageProcessingView, CScrollView)

BEGIN_MESSAGE_MAP(CImageProcessingView, CScrollView)
	//{{AFX_MSG_MAP(CImageProcessingView)
	ON_COMMAND(ID_ANALYSIS_HOLENUM, OnAnalysisHolenum)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingView construction/destruction

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

}

CImageProcessingView::~CImageProcessingView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingView drawing

void CImageProcessingView::OnDraw(CDC* pDC)
{
	CImageProcessingDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	CSize sizeDibDisplay;		
	

	
	if(!pDoc->m_pDibInit->IsEmpty()){	
		sizeDibDisplay = pDoc->m_pDibInit->GetDimensions();
		pDoc->m_pDibInit->Draw(pDC,CPoint(0,0),sizeDibDisplay);	
	}	

}

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingView diagnostics

#ifdef _DEBUG
void CImageProcessingView::AssertValid() const
{
	CScrollView::AssertValid();
}

void CImageProcessingView::Dump(CDumpContext& dc) const
{
	CScrollView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// CImageProcessingView message handlers

void CImageProcessingView::OnAnalysisHolenum() 
{
	// TODO: Add your command handler code here
	
	// 消去二值图象中小于阈值面积的区域
		
	// 更改光标形状
	BeginWaitCursor();

	// 获取文档
	CImageProcessingDoc* pDoc = GetDocument();

	//  获得图象CDib类的指针
	CDib * pDib = pDoc->m_pDibInit;

	// 获得图象的头文件信息
	LPBITMAPINFOHEADER lpBMIH=pDib->m_lpBMIH;

	// 判断是否是8-bpp位图
	if (lpBMIH->biBitCount != 8)
	{
		// 提示用户
		MessageBox("目前只支持256色位图的图象！", "系统提示" ,
			MB_ICONINFORMATION | MB_OK);
						
		// 返回
		return;
	}
	
	::DIBHOLENUMBER(pDib);

	// 设置脏标记
	pDoc->SetModifiedFlag(TRUE);
		
	// 更新视图
	pDoc->UpdateAllViews(NULL);

    // 恢复光标
	EndWaitCursor();
}

void CImageProcessingView::OnInitialUpdate() 
{
	CScrollView::OnInitialUpdate();

	CImageProcessingDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	
	CSize sizeTotal = pDoc->m_pDibInit->GetDimensions();
	SetScrollSizes(MM_TEXT, sizeTotal);

	GetParentFrame()->RecalcLayout();
	//ResizeParentToFit();
}