www.pudn.com > MyBloodVessel.rar > BloodVesselDlg.cpp


// BloodVesselDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "BloodVessel.h" 
#include "BloodVesselDlg.h" 
#include "cdib.h" 
#include "ximage.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CAboutDlg dialog used for App About 
 
class CAboutDlg : public CDialog 
{ 
public: 
	CAboutDlg(); 
 
// Dialog Data 
	//{{AFX_DATA(CAboutDlg) 
	enum { IDD = IDD_ABOUTBOX }; 
	//}}AFX_DATA 
 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CAboutDlg) 
	protected: 
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
	//}}AFX_VIRTUAL 
 
// Implementation 
protected: 
	//{{AFX_MSG(CAboutDlg) 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
}; 
 
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 
{ 
	//{{AFX_DATA_INIT(CAboutDlg) 
	//}}AFX_DATA_INIT 
} 
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CAboutDlg) 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 
	//{{AFX_MSG_MAP(CAboutDlg) 
		// No message handlers 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CBloodVesselDlg dialog 
 
CBloodVesselDlg::CBloodVesselDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CBloodVesselDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CBloodVesselDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CBloodVesselDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CBloodVesselDlg) 
		// NOTE: the ClassWizard will add DDX and DDV calls here 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CBloodVesselDlg, CDialog) 
	//{{AFX_MSG_MAP(CBloodVesselDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_OPEN, OnOpen) 
	ON_BN_CLICKED(IDC_BTN_EXTRACT, OnBtnExtract) 
	ON_BN_CLICKED(IDC_BTN_BW, OnBtnBw) 
	ON_BN_CLICKED(IDC_BTN_FILL, OnBtnFill) 
	ON_BN_CLICKED(IDC_BTN_SAVE, OnBtnSave) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CBloodVesselDlg message handlers 
 
BOOL CBloodVesselDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// Add "About..." menu item to system menu. 
 
	// IDM_ABOUTBOX must be in the system command range. 
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 
	ASSERT(IDM_ABOUTBOX < 0xF000); 
 
	CMenu* pSysMenu = GetSystemMenu(FALSE); 
	if (pSysMenu != NULL) 
	{ 
		CString strAboutMenu; 
		strAboutMenu.LoadString(IDS_ABOUTBOX); 
		if (!strAboutMenu.IsEmpty()) 
		{ 
			pSysMenu->AppendMenu(MF_SEPARATOR); 
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 
		} 
	} 
 
	// Set the icon for this dialog.  The framework does this automatically 
	//  when the application's main window is not a dialog 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
	 
	// TODO: Add extra initialization here 
	//m_pImag =NULL; 
	m_ximag = NULL; 
	m_ximagReserve = NULL; 
 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CBloodVesselDlg::OnSysCommand(UINT nID, LPARAM lParam) 
{ 
	if ((nID & 0xFFF0) == IDM_ABOUTBOX) 
	{ 
		CAboutDlg dlgAbout; 
		dlgAbout.DoModal(); 
	} 
	else 
	{ 
		CDialog::OnSysCommand(nID, lParam); 
	} 
} 
 
// If you add a minimize button to your dialog, you will need the code below 
//  to draw the icon.  For MFC applications using the document/view model, 
//  this is automatically done for you by the framework. 
 
void CBloodVesselDlg::OnPaint()  
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // device context for painting 
 
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 
 
		// Center icon in client rectangle 
		int cxIcon = GetSystemMetrics(SM_CXICON); 
		int cyIcon = GetSystemMetrics(SM_CYICON); 
		CRect rect; 
		GetClientRect(&rect); 
		int x = (rect.Width() - cxIcon + 1) / 2; 
		int y = (rect.Height() - cyIcon + 1) / 2; 
 
		// Draw the icon 
		dc.DrawIcon(x, y, m_hIcon); 
	} 
	else 
	{ 
		CDialog::OnPaint(); 
	} 
} 
 
// The system calls this to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CBloodVesselDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CBloodVesselDlg::OnOpen()  
{ 
	// TODO: Add your control notification handler code here 
	CString szFilter; 
	szFilter = "BMP Files(*.bmp)|*.bmp|All Files(*.*)|*.*||"; 
 
	CFileDialog filedlg(TRUE, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, 
		szFilter, NULL); 
	if (filedlg.DoModal() == IDCANCEL) 
		return; 
 
	m_filename = filedlg.GetFileName(); 
 
	m_imagRect.left = 20; 
	m_imagRect.top = 20; 
	m_imagRect.right = m_imagRect.left + 600; 
	m_imagRect.bottom = m_imagRect.top + 480; 
 
 
	if (m_ximag != NULL) 
	{ 
		delete m_ximag; 
	} 
	if (m_ximagReserve != NULL) 
	{ 
		delete m_ximagReserve; 
	} 
	m_ximag = new CxImage(m_filename, CXIMAGE_FORMAT_BMP); 
	m_ximagReserve = new CxImage(CXIMAGE_FORMAT_BMP); 
	*m_ximagReserve = *m_ximag;//copy 
 
	CClientDC dc(this); 
	m_ximag->Draw2(dc.GetSafeHdc(), m_imagRect); 
	//m_pImag->Draw(&dc, m_imagRect); 
	 
} 
 
void CBloodVesselDlg::OnBtnExtract()  
{ 
	// TODO: Add your control notification handler code here 
	m_ximag->GrayScale();//灰度化 
 
	int size = m_ximag->GetEffWidth() * m_ximag->GetHeight(); 
 
	IM2BW(m_ximag->GetBits(), size, 1);//二值化 
	ExtractVessel(m_ximagReserve, m_ximag->GetBits(), 5);//抽取血管 
 
	//m_ximagReserve->GrayScale();//灰度化 
	//IM2BW(m_ximagReserve->GetBits(), size, 0.1);//二值化 
	//ImDilate(m_ximagReserve->GetBits(), m_ximagReserve->GetWidth(), m_ximagReserve->GetHeight());//膨胀 
	//ImErode(m_ximagReserve->GetBits(), m_ximagReserve->GetWidth(), m_ximagReserve->GetHeight());//腐蚀 
 
	CClientDC dc(this); 
	m_ximagReserve->Draw2(dc.GetSafeHdc(), m_imagRect); 
} 
 
void CBloodVesselDlg::IM2BW(BYTE *pGray, int size, float level) 
{ 
	for (int i = 0; i < size; i++) 
	{//*(pGray + i)=255; 
 
		if (*(pGray + i) >= 255 * level) 
		{ 
			*(pGray + i) = 255; 
		} 
		else *(pGray + i) = 0; 
	} 
} 
 
void CBloodVesselDlg::ExtractVessel(CxImage *pRGBImage, BYTE *pBW, int bloodWidth) 
{ 
	BYTE *pData = pRGBImage->GetBits(); 
	int width = pRGBImage->GetWidth(); 
	int height = pRGBImage->GetHeight(); 
	int effWidth = pRGBImage->GetEffWidth(); 
	int half = bloodWidth / 2; 
	int ceaseHeight = pRGBImage->GetHeight() - half; 
	int ceaseWidth = pRGBImage->GetWidth() - half; 
 
	BOOL flagWhite = FALSE; 
	for (int i = half; i < ceaseHeight; i++) 
	{ 
		for (int j = half; j < ceaseWidth; j++) 
		{ 
			flagWhite = NearWhite(pBW, width, height, i, j, bloodWidth); 
 
			BYTE r = *(pData + i * effWidth + j * 3 + 2); 
			BYTE g = *(pData + i * effWidth + j * 3 + 1); 
			BYTE b = *(pData + i * effWidth + j * 3 + 0); 
				 
			if (r < 256 && r > 56 && g < 100 && b < 100 && flagWhite)//靠近白线且为红色 
			{ 
				continue;//保留 
			} 
 
			else//否则,变为背景 
			{ 
				*(pData + i * effWidth + j * 3 + 0) = 0; 
				*(pData + i * effWidth + j * 3 + 1) = 0; 
				*(pData + i * effWidth + j * 3 + 2) = 0; 
			} 
		} 
	} 
} 
 
BOOL CBloodVesselDlg::NearWhite(BYTE *pBW, int width, int height, int i, int j, int bloodwidth) 
{ 
	BOOL flag = FALSE; 
	BOOL over = FALSE; 
 
	int effWidth = (width * 8 + 31) / 32 * 4; 
	int half = bloodwidth / 2; 
	for (int m = 0; m < bloodwidth; m++) 
	{ 
		for (int n = 0; n < bloodwidth; n++) 
		{ 
			BYTE bw = *(pBW + (i - half + m) * effWidth + (j - half + n)); 
			if (bw == 255) 
			{ 
				flag = TRUE; 
				over = TRUE; 
				break; 
			} 
		} 
 
		if (over) 
		{ 
			break; 
		} 
	} 
 
	return flag;	 
} 
 
void CBloodVesselDlg::ImDilate(BYTE *pData, int width, int height) 
{ 
	int effWidth = (width * 8 + 31) / 32 * 4; 
	int maskWidth = 7; 
	int half = maskWidth / 2; 
 
	BYTE *pDst = new BYTE[effWidth * height]; 
	memset(pDst, (BYTE)0, effWidth * height); 
 
	for (int i = half; i <  height - half; i++) 
	{ 
		for (int j = half; j < width - half; j++) 
		{ 
			BOOL over = FALSE; 
			for (int m = 0; m < maskWidth; m++) 
			{ 
				for (int n = 0; n < maskWidth; n++) 
				{ 
					BYTE bw = *(pData + (i - half + m) * effWidth + (j - half + n)); 
					if (bw > 128)//有物体 
					{ 
						*(pDst + i * effWidth + j) = 255; 
						over = TRUE; 
						break; 
					} 
				} 
 
				if (over) 
				{ 
					break; 
				} 
			} 
 
		} 
	} 
 
	memcpy(pData, pDst, effWidth * height); 
} 
 
void CBloodVesselDlg::ImErode(BYTE *pData, int width, int height) 
{ 
	int effWidth = (width * 8 + 31) / 32 * 4; 
	int maskWidth = 7; 
	int half = maskWidth / 2; 
 
	BYTE *pDst = new BYTE[effWidth * height]; 
	memset(pDst, (BYTE)0, effWidth * height); 
 
	for (int i = half; i <  height - half; i++) 
	{ 
		for (int j = half; j < width - half; j++) 
		{ 
			BOOL over = FALSE; 
			for (int m = 0; m < maskWidth; m++) 
			{ 
				for (int n = 0; n < maskWidth; n++) 
				{ 
					BYTE bw = *(pData + (i - half + m) * effWidth + (j - half + n)); 
					if (bw < 128)//有背景 
					{ 
						over = TRUE; 
						break; 
					} 
				} 
				if (over) 
				{ 
					break; 
				} 
			} 
 
			if (!over)//没有背景 
			{ 
				*(pDst + i * effWidth + j) = 255;//保留 
			} 
 
		} 
	} 
 
	memcpy(pData, pDst, effWidth * height); 
} 
 
void CBloodVesselDlg::OnBtnBw()  
{ 
	// TODO: Add your control notification handler code here 
	m_ximagReserve->GrayScale();//灰度化 
 
	int size = m_ximagReserve->GetEffWidth() * m_ximagReserve->GetHeight(); 
	IM2BW(m_ximagReserve->GetBits(), size, 0.1);//二值化 
 
	CClientDC dc(this); 
	m_ximagReserve->Draw2(dc.GetSafeHdc(), m_imagRect); 
} 
 
void CBloodVesselDlg::OnBtnFill()  
{ 
	// TODO: Add your control notification handler code here 
	ImDilate(m_ximagReserve->GetBits(), m_ximagReserve->GetWidth(), m_ximagReserve->GetHeight());//膨胀 
	ImErode(m_ximagReserve->GetBits(), m_ximagReserve->GetWidth(), m_ximagReserve->GetHeight());//腐蚀 
 
	CClientDC dc(this); 
	m_ximagReserve->Draw2(dc.GetSafeHdc(), m_imagRect); 
} 
 
void CBloodVesselDlg::OnBtnSave()  
{ 
	// TODO: Add your control notification handler code here 
	if (m_ximagReserve == NULL) 
	{ 
		return; 
	} 
 
	CString szFilter; 
	szFilter = "BMP Files(*.bmp)|*.bmp|All Files(*.*)|*.*||"; 
 
	CFileDialog filedlg(FALSE, "bmp", "vessel", OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, 
						szFilter, NULL); 
 
	if (filedlg.DoModal() == IDCANCEL) 
		return; 
 
	m_filename = filedlg.GetFileName(); 
	m_ximagReserve->Save(m_filename, CXIMAGE_FORMAT_BMP);//保存 
}