www.gusucode.com > VC++ 基于WebCam的视频采集及人脸检测识别-源码程序 > VC++ 基于WebCam的视频采集及人脸检测识别-源码程序/code/毕业设计/VideoCapture(04.5.31)/VideoCaptureView.cpp

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// VideoCaptureView.cpp : implementation of the CVideoCaptureView class
//

#include "stdafx.h"
#include "VideoCapture.h"

#include "VideoCaptureDoc.h"
#include "VideoCaptureView.h"

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

//--------------------------------------------------------
#include"mainFrm.h"
//--------------------------------------------------------

/////////////////////////////////////////////////////////////////////////////
// CVideoCaptureView

IMPLEMENT_DYNCREATE(CVideoCaptureView, CView)

BEGIN_MESSAGE_MAP(CVideoCaptureView, CView)
	//{{AFX_MSG_MAP(CVideoCaptureView)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CVideoCaptureView construction/destruction

CVideoCaptureView::CVideoCaptureView()
{
	// TODO: add construction code here
//-------------------------------------------------------
   m_hdd=DrawDibOpen();
//-------------------------------------------------------

}

CVideoCaptureView::~CVideoCaptureView()
{
//-------------------------------------------------------
   DrawDibClose(m_hdd);
//-------------------------------------------------------
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CVideoCaptureView drawing

void CVideoCaptureView::OnDraw(CDC* pDC)
{
	CVideoCaptureDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
//---------------------------------------------------------
	CWnd * p_CWnd=AfxGetMainWnd();
	CMainFrame * p_CMainFrame=(CMainFrame*)p_CWnd;
//	AfxMessageBox("第一次刷新主窗口",MB_OK,NULL);

	if(p_CMainFrame->m_iscapture)
	{
	
//		AfxMessageBox("刷新主窗口",MB_OK,NULL);
		RECT rect;
		GetClientRect(&rect);

		LPBITMAPINFOHEADER lpbi;
		lpbi=&(p_CMainFrame->m_dibinfo.bitmapinfoheader);

//		LPVOID p;
//		p = DrawDibGetBuffer(m_hdd,lpbi,sizeof(BITMAPINFOHEADER ),0);
//		memcpy(p,p_CMainFrame->m_dibinfo.buffer+p_CMainFrame->m_dibinfo.VideoFormatSize,
//			lpbi->biSizeImage);
//		DrawDibBegin(m_hdd,h123,100,100,lpbi,0,0,DDF_ANIMATE  );

		DrawDibDraw(m_hdd,pDC->GetSafeHdc(),
				0,0,-1,-1,
				lpbi,p_CMainFrame->m_dibinfo.buffer+p_CMainFrame->m_dibinfo.VideoFormatSize,
				0,0,lpbi->biWidth,lpbi->biHeight,0);

//		DrawDibDraw(m_hdd,h123,
//            rect.left,rect.top,rect.right,rect.bottom,
//             lpbi,NULL,0,0,lpbi->biWidth,lpbi->biHeight,DDF_SAME_DRAW |DDF_SAME_HDC );
		//问题出现DrawDibDraw中，单步调试中出现
		//“Unhandled exception in VideoCapture.exe(MSVFW32.DLL):0xc0000005:Access Violation.”
		//出现的问题是，在给DrawDibDraw函数传参数时，没有把数据缓冲的地址传给函数。
	} 

	if(p_CMainFrame->m_after_skindect)
	{
		
		LPBITMAPINFOHEADER lpbi;
//		lpbi=&(p_CMainFrame->m_rgb_bitmapheader);
//		unsigned char * lpb=p_CMainFrame->m_rgb_buffer;

		lpbi=&(p_CMainFrame->m_bitmapheader);
		unsigned char * lpb=p_CMainFrame->m_ycc_buffer;


		DrawDibDraw(m_hdd,pDC->GetSafeHdc(),
				0,0,-1,-1,
				lpbi,lpb,
				0,0,lpbi->biWidth,lpbi->biHeight,0);
	
//		AfxMessageBox("after copy!",MB_OK,0);
	}
	
}  



/////////////////////////////////////////////////////////////////////////////
// CVideoCaptureView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CVideoCaptureView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CVideoCaptureView message handlers