MFC图像处理系统，基于单文档，使用Opencv

// Child_Dlg1.cpp: 实现文件 // #include "pch.h" #include "MFCImage.h" #include "Child_Dlg1.h" #include "Child_Dlg2.h" #include "MainFrm.h" #include "Resize_Dlg.h" #include "DBD_Dlg.h" #include "LD_Dlg.h" #include "GSZH_Dlg.h" // Child_Dlg1 IMPLEMENT_DYNCREATE(Child_Dlg1, CFormView) Child_Dlg1::Child_Dlg1() : CFormView(IDD_Child_Dlg1) { choose = false; process = false; } Child_Dlg1::~Child_Dlg1() { } void Child_Dlg1::DoDataExchange(CDataExchange* pDX) { CFormView::DoDataExchange(pDX); } BEGIN_MESSAGE_MAP(Child_Dlg1, CFormView) ON_COMMAND(ID_32772, &Child_Dlg1::OnOpen) ON_WM_PAINT() ON_COMMAND(ID_ZFT, &Child_Dlg1::OnZft) ON_COMMAND(ID_32774, &Child_Dlg1::OnSave) ON_COMMAND(ID_32777, &Child_Dlg1::OnGSZH) ON_COMMAND(ID_32778, &Child_Dlg1::OnSXFD) ON_COMMAND(ID_32781, &Child_Dlg1::OnSSZXZ) ON_COMMAND(ID_32782, &Child_Dlg1::OnNSZXZ) ON_COMMAND(ID_32783, &Child_Dlg1::OnFZ) ON_COMMAND(ID_32780, &Child_Dlg1::OnJX) ON_COMMAND(ID_32784, &Child_Dlg1::OnHDH) ON_COMMAND(ID_32785, &Child_Dlg1::OnDBD) ON_COMMAND(ID_32786, &Child_Dlg1::OnLD) ON_COMMAND(ID_32787, &Child_Dlg1::OnZFTJHH) ON_COMMAND(ID_32789, &Child_Dlg1::OnLYPH) ON_COMMAND(ID_32790, &Child_Dlg1::OnJQPH) ON_COMMAND(ID_32791, &Child_Dlg1::OnGSPH) ON_COMMAND(ID_32792, &Child_Dlg1::OnZZPH) ON_COMMAND(ID_32793, &Child_Dlg1::OnRH) ON_COMMAND(ID_32794, &Child_Dlg1::OnFD) ON_COMMAND(ID_32800, &Child_Dlg1::OnHSLJ) ON_COMMAND(ID_32801, &Child_Dlg1::OnLSLJ) ON_COMMAND(ID_32802, &Child_Dlg1::OnBuleFilter) ON_COMMAND(ID_32796, &Child_Dlg1::OnFX) ON_COMMAND(ID_32797, &Child_Dlg1::OnCZBY) ON_COMMAND(ID_32798, &Child_Dlg1::OnYHXG) ON_COMMAND(ID_32799, &Child_Dlg1::OnMSK) END_MESSAGE_MAP() // Child_Dlg1 诊断 #ifdef _DEBUG void Child_Dlg1::AssertValid() const { CFormView::AssertValid(); } #ifndef _WIN32_WCE void Child_Dlg1::Dump(CDumpContext& dc) const { CFormView::Dump(dc); } #endif #endif //_DEBUG // Child_Dlg1 消息处理程序 void Child_Dlg1::OnPaint() { if (choose) { CPaintDC dc(this); // device context for painting CRect rect; GetClientRect(&rect); CImage image; image.Load(StrFilePath); image.BitBlt(dc, 0, 40, rect.Width(), rect.Height(), 0, 0); image.Destroy(); //没有Destroy()会有内存泄漏。Detach();不行的。 } } void Child_Dlg1::OnOpen() { // TODO: 在此添加命令处理程序代码 CFileDialog fileDlg(TRUE, _T("png"), NULL, 0, _T("image Files(*.bmp; *.jpeg;*.jpg;*.png)|*.JPG;*.PNG;*.BMP|All Files (*.*) |*.*|"), this); fileDlg.DoModal(); StrFilePath = fileDlg.GetPathName(); StrFileName = fileDlg.GetFileName(); if (StrFilePath == _T("")) { return; } choose = true; src = imread(StrFilePath.GetBuffer()); Invalidate(); } void Child_Dlg1::OnZft() { // TODO: 在此添加命令处理程序代码 if (!choose) { //MessageBox(TEXT("请先选择图片！"), TEXT("提示")); return; } Mat matRGB[3]; split(src, matRGB); int Channels[] = { 0 }; int nHistSize[] = { 256 }; float range[] = { 0, 255 }; const float* fHistRanges[] = { range }; Mat histR, histG, histB; // 计算直方图 calcHist(&matRGB[0], 1, Channels, Mat(), histB, 1, nHistSize, fHistRanges, true, false); calcHist(&matRGB[1], 1, Channels, Mat(), histG, 1, nHistSize, fHistRanges, true, false); calcHist(&matRGB[2], 1, Channels, Mat(), histR, 1, nHistSize, fHistRanges, true, false); // 创建直方图画布 int nHistWidth = 800; int nHistHeight = 600; int nBinWidth = cvRound((double)nHistWidth / nHistSize[0]); Mat matHistImage(nHistHeight, nHistWidth, CV_8UC3, Scalar(255, 255, 255)); // 直方图归一化 normalize(histB, histB, 0.0, matHistImage.rows, NORM_MINMAX, -1, Mat()); normalize(histG, histG, 0.0, matHistImage.rows, NORM_MINMAX, -1, Mat()); normalize(histR, histR, 0.0, matHistImage.rows, NORM_MINMAX, -1, Mat()); // 在直方图中画出直方图 for (int i = 1; i < nHistSize[0]; i++) { line(matHistImage, Point(nBinWidth * (i - 1), nHistHeight - cvRound(histB.at<float>(i - 1))), Point(nBinWidth * (i), nHistHeight - cvRound(histB.at<float>(i))), Scalar(255, 0, 0), 2, 8, 0); line(matHistImage, Point(nBinWidth * (i - 1), nHistHeight - cvRound(histG.at<float>(i - 1))), Point(nBinWidth * (i), nHistHeight - cvRound(histG.at<float>(i))), Scalar(0, 255, 0), 2, 8, 0); line(matHistImage, Point(nBinWidth * (i - 1), nHistHeight - cvRound(histR.at<float>(i - 1))), Point(nBinWidth * (i), nHistHeight - cvRound(histR.at<float>(i))), Scalar(0, 0, 255), 2, 8, 0); } // 显示直方图 //imshow("histogram", matHistImage); imwrite("result.png", matHistImage); process = true; CMainFrame* pMainFrame = (CMainFrame*)AfxGetMainWnd(); Child_Dlg2* pDlg = pMainFrame->GetChildDlg2(); if (pDlg != nullptr) { pDlg->Invalidate(); pDlg = nullptr; } } void Child_Dlg1::OnSave() { // TODO: 在此添加命令处理程序代码 if (!choose) { //MessageBox(TEXT("请先选择图片！"), TEXT("提示")); return; } if (!process) { //MessageBox(TEXT("请先选择图片！"), TEXT("提示")); return; } TCHAR szFilter[] = _T("jpg file(*.jpg)|*.jpg|bmp file(*.bmp)|*.bmp|所有文件(*.*)|*.*||"); //文件格式过滤 // 构造保存文件对话框 CFileDialog fileDlg(FALSE, _T("jpg"), _T("*.jpg"), OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, szFilter, this); fileDlg.m_ofn.lpstrTitle = _T("保存图像"); //保存对话窗口标题名 CString picturePath; if (IDOK == fileDlg.DoModal()) //按下确认键 { picturePath = fileDlg.GetPathName(); //文件路径 MessageBox(TEXT("保存成功！")); } CImage image; image.Load("result.png"); image.Save(picturePath); //保存图片 image.Destroy(); } void Child_Dlg1::OnGSZH() { // TODO: 在此添加命令处理程序代码 if (!choose) { //MessageBox(TEXT("请先选择图片！"), TEXT("提示")); return; } process = true; GSZH_Dlg dlg; if (dlg.DoModal() == IDOK) { CString str; str = dlg.m_name + TEXT(".") + dlg.m_form; imwrite(str.GetBuffer(), src); MessageBox(TEXT("格式转换成功！")); } } //调整大小函数：最近邻插值：该方法将目标图像中的每个像素与原始图像中最接近的像素进行匹配。 //这种方法简单快速，但可能会导致图像边缘的锯齿状效果。 Mat Child_Dlg1::resizeImageNearestNeighbor(const Mat image, int targetWidth, int targetHeight) { Mat resizedImage(targetHeight, targetWidth, image.type()); // 计算缩放比例 float scaleX = static_cast<float>(image.cols) / targetWidth; float scaleY = static_cast<float>(image.rows) / targetHeight; for (int y = 0; y < targetHeight; y++) { for (int x = 0; x < targetWidth; x++) { // 计算原始图像中最近的像素坐标 int srcX = static_cast<int>(x * scaleX); int srcY = static_cast<int>(y * scaleY); // 获取最近邻像素的值并赋给调整后的图像 resizedImage.at<cv::Vec3b>(y, x) = image.at<cv::Vec3b>(srcY, srcX); } } return resizedImage; } void Child_Dlg1::OnSXFD() { // TODO: 在此添加命令处理程序代码 process = true; if (!choose) { //MessageBox(TEXT("请先选择图片！"), TEXT("提示")); return; } //dlg = new Resize_Dlg; //dlg->m_l = src.rows; //dlg->m_h = src.cols; //dlg->m_pParentDlg = this; // 将父对话框的指针赋值给子对话框的成员变量 //dlg->Create(IDD_Resize_Dlg); //dlg->ShowWindow(SW_SHOWNORMAL); Resize_Dlg dlg; dlg.m_h = src.rows; dlg.m_l = src.cols; if (dlg.DoModal() == IDOK) { out = resizeImageNearestNeighbor(src, dlg.m_l, dlg.m_h); imwrite("result.png", out); process = true; CMainFrame* pMainFrame = (CMainFrame*)AfxGetMainWnd(); Child_Dlg2* pDlg = pMainFrame->GetChildDlg2(); if (pDlg != nullptr) { pDlg->Invalidate(); } } } //顺时针旋转90° Mat Child_Dlg1::rotateImage90Clockwise(const Mat inputImage) { // 获取输入图像的尺寸 int rows = inputImage.rows; int cols = inputImage.cols; // 创建一个新的图像，尺寸为旋转后