图像处理opencv代码

//执行此操作
SetIcon(m_hIcon, TRUE);//设置大图标
SetIcon(m_hIcon, FALSE);//设置小图标
// TODO:在此添加额外的初始化代码
return TRUE; //除非将焦点设置到控件，否则返回TRUE
}
void CmymfcDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialogEx::OnSysCommand(nID, lParam);
}
}
//如果向对话框添加最小化按钮，则需要下面的代码
//来绘制该图标。对于使用文档/视图模型的MFC应用程序，
//这将由框架自动完成。
void CmymfcDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); //用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
}
void CmymfcDlg::OnBnClickedReadimg() //读取图片操作
{
// TODO:在此添加控件通知处理程序代码
//这里用CFileDialog来选择图片
CFileDialog dlg(
TRUE, _T("*.bmp"), NULL,
OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY,
ASSERT(bNameValid);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
//设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
//更新windows窗口，如果无这步调用，图片显示还会出现问题
//ShowImage( TheImage, IDC_ShowImg );
//重绘图片函数
}
}
//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR CmymfcDlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
ON_BN_CLICKED(IDC_EdgeDetect, &CmymfcDlg::OnBnClickedEdgedetect)
ON_BN_CLICKED(IDC_Refresh, &CmymfcDlg::OnBnClickedRefresh)
ON_BN_CLICKED(IDC_GrayProcess, &CmymfcDlg::OnBnClickedGrayprocess)
_T("All Files (*.*) |*.*|image files (*.bmp; *.jpg)|*.bmp; *.jpg ||"), NULL
);
//打开文件对话框的标题名
dlg.m_ofn.lpstrTitle = _T("Open Image");
//判断是否获得图片
if( dlg.DoModal() != IDOK )
}
BEGIN_MESSAGE_MAP(CmymfcDlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_ReadImg, &CmymfcDlg::OnBnClickedReadimg)
//用于应用程序“关于”菜单项的CAboutDlg对话框
class CAboutDlg : public CDialogEx
{
public:
CAboutDlg();
//对话框数据
enum { IDD = IDD_ABOUTBOX };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV支持
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
BOOL bNameValid;
CString strAboutMenu;
bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
return;
//获取图片路径
CString mPath = dlg.GetPathName();
rePath = mPath;
//读取图片
IplImage* ipl = cvLoadImage( mPath, 1 );
//判断是否成功读取图片
if( !ipl )
return;
if( TheImage )
ImgSize.width = IMAGE_WIDTH;
TheImage = cvCreateImage( ImgSize, IPL_DEPTH_8U, IMAGE_CHANNELS );
// IDM_ABOUTBOX必须在系统命令范围内。
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
#include "stdafx.h"
#include "mymfc.h"
#include "mymfcDlg.h"
#include "afxdialogex.h"
#include <opencv2/opencv.hpp>
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()
// CmymfcDlg对话框
CmymfcDlg::CmymfcDlg(CWnd* pParent /*=NULL*/)
: CDialogEx(CmymfcDlg::IDD, pParent)
, TheImage(NULL)
, rePath(_T(""))
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CmymfcDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
ON_BN_CLICKED(IDC_CImage, &CmymfcDlg::OnBnClickedCimage)
ON_BN_CLICKED(IDC_Mirror, &CmymfcDlg::OnBnClickedMirror)
ON_BN_CLICKED(IDC_CColor, &CmymfcDlg::OnBnClickedCcolor)
ON_BN_CLICKED(IDC_MedianBlur, &CmymfcDlg::OnBnClickedMedianblur)
ON_BN_CLICKED(IDC_Gaussian, &CmymfcDlg::OnBnClickedGaussian)
ON_BN_CLICKED(IDC_BothSide, &CmymfcDlg::OnBnClickedBothside)
int ty = (int)(rh - ih)/2;
SetRect( rect, tx, ty, tx+iw, ty+ih );
//复制图片
CvvImage cimg;
cimg.CopyOf( img );
//将图片绘制到显示控件的指定区域内
cimg.DrawToHDC( hDC, &rect );
ON_BN_CLICKED(IDC_Equally, &CmymfcDlg::OnBnClickedEqually)
ON_BN_CLICKED(IDC_Corrosion, &CmymfcDlg::OnBnClickedCorrosion)
ON_BN_CLICKED(IDC_Dilate, &CmymfcDlg::OnBnClickedDilate)
//实现
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)
{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
//求出图片控件的宽和高
int rw = rect.right - rect.left;
int rh = rect.bottom - rect.top;
//来自百度文库取图片的宽和高
int iw = img->width;
int ih = img->height;
//使图片的显示位置正好在控件的正中
int tx = (int)(rw - iw)/2;
float scale = (float) ( (float) max / 256.0f );
//缩放后图片的宽和高
int nw = (int)( w/scale );
int nh = (int)( h/scale );
//为了将缩放后的图片存入TheImage的正中部位，需计算图片在TheImage左上角的期望坐标值
{
//获得显示控件的DC
CDC* pDC = GetDlgItem( ID ) ->GetDC();
//获取HDC(设备句柄)来进行绘图操作
HDC hDC = pDC ->GetSafeHdc();
CRect rect;
GetDlgItem(ID) ->GetClientRect( &rect );
ON_BN_CLICKED(IDC_Sobel, &CmymfcDlg::OnBnClickedSobel)
ON_BN_CLICKED(IDC_Laplace, &CmymfcDlg::OnBnClickedLaplace)
ON_BN_CLICKED(IDC_FFT2, &CmymfcDlg::OnBnClickedFft2)
cvZero( TheImage );
ResizeImage( ipl );
ShowImage( TheImage,IDC_ShowImg);
cvReleaseImage( &ipl );
}
void CmymfcDlg::ShowImage(IplImage* img, UINT ID) // ID是Picture Control控件的ID号
END_MESSAGE_MAP()
// CmymfcDlg消息处理程序
BOOL CmymfcDlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
//将“关于...”菜单项添加到系统菜单中。
CvSize ImgSize;
ImgSize.height = IMAGE_HEIGHT;
int y = (rect.Height() - cyIcon + 1) / 2;
//绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialogEx::OnPaint();
CDialog::OnPaint();
//重绘对话框
CDialog::UpdateWindow();
//使图标在工作区矩形中居中
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
ReleaseDC( pDC );
}
void CmymfcDlg::ResizeImage(IplImage* img)
{
//读取图片的宽和高
int w = img->width;
int h = img->height;
//找出宽和高中的较大值者
int max = (w > h)? w: h;
//计算将图片缩放到TheImage区域所需的比例