base：基本图像显示。

.vscode/settings.json

@@ -31,5 +31,9 @@
         "ja": true,
         "zh-hant": true,
         "zh-hans": true
+    },
+    "files.associations": {
+        "any": "cpp",
+        "filesystem": "cpp"
     }
 }

CMakeLists.txt

@@ -17,6 +17,6 @@ add_subdirectory(ofen)
 find_package(wxWidgets CONFIG REQUIRED)
 find_package(OpenCV CONFIG REQUIRED)
 
-add_executable(PictureTool main.cpp MainFrame.h MainFrame.cpp)
+add_executable(PictureTool main.cpp MainFrame.h MainFrame.cpp WinImg.h WinImg.cpp)
 target_link_libraries(PictureTool PRIVATE wx::core wx::base Ofen ${OpenCV_LIBS})
 set_target_properties(PictureTool PROPERTIES WIN32_EXECUTABLE TRUE)

MainFrame.cpp

@@ -1,9 +1,63 @@
 #include "MainFrame.h"
 
+constexpr auto g_Border = 2;
 CMainFrame::CMainFrame(const wxString& title) : wxFrame(NULL, wxID_ANY, title)
 {
+    SetSize(wxSize(600, 300));
+    init();
 }
 
 CMainFrame::~CMainFrame()
 {
 }
+
+void CMainFrame::init()
+{
+    auto* panel = new wxPanel(this);
+    auto* sizerTop = new wxBoxSizer(wxVERTICAL);
+
+    auto* sizeA = new wxBoxSizer(wxHORIZONTAL);
+    auto* pic_path = new wxTextCtrl(panel, wxID_ANY);
+    auto* select_pic = new wxButton(panel, wxID_ANY, wxT("选择"));
+    sizeA->Add(pic_path, 1, wxALL | wxEXPAND, g_Border);
+    sizeA->Add(select_pic, 0, wxALL, g_Border);
+    sizerTop->Add(sizeA, 0, wxALL | wxEXPAND, g_Border);
+
+    win_img_ = new CImagePanel(panel);
+    sizerTop->Add(win_img_, 1, wxALL | wxEXPAND, g_Border);
+    img_ = cv::imread("D:/2.png");
+    win_img_->set_img(img_);
+
+    auto* sizeB = new wxBoxSizer(wxHORIZONTAL);
+    auto* btn2Blue = new wxButton(panel, wxID_ANY, wxT("蓝底"));
+    auto* btn2White = new wxButton(panel, wxID_ANY, wxT("白底"));
+    sizeB->Add(btn2Blue, 1, wxALL | wxEXPAND, g_Border);
+    sizeB->Add(btn2White, 1, wxALL | wxEXPAND, g_Border);
+
+    btn2Blue->Bind(wxEVT_BUTTON, &CMainFrame::turn2blue, this);
+    btn2White->Bind(wxEVT_BUTTON, &CMainFrame::turn2white, this);
+    sizerTop->Add(sizeB, 0, wxALL | wxEXPAND, g_Border);
+
+    panel->SetSizer(sizerTop);
+    panel->Layout();
+}
+
+void CMainFrame::turn2blue(wxCommandEvent& event)
+{
+    // 定义白色的阈值范围
+    cv::Scalar lowerWhite(200, 200, 200); // 白色下限 (B, G, R)
+    cv::Scalar upperWhite(255, 255, 255); // 白色上限 (B, G, R)
+
+    // 创建蓝色背景
+    cv::Mat mask;
+    cv::inRange(img_, lowerWhite, upperWhite, mask); // 检测白色区域
+
+    // 将白色区域替换为蓝色
+    cv::Mat blueBackground(img_.size(), img_.type(), cv::Scalar(255, 0, 0)); // 蓝色 (B, G, R)
+    blueBackground.copyTo(img_, mask); // 通过掩码复制蓝色区域到原图
+    win_img_->set_img(img_);
+}
+
+void CMainFrame::turn2white(wxCommandEvent& event)
+{
+}

MainFrame.h

@@ -1,5 +1,6 @@
 #pragma once
 #include <wx/wx.h>
+#include "WinImg.h"
 
 class CMainFrame : public wxFrame
 {
@@ -7,5 +8,13 @@ public:
     CMainFrame(const wxString& title);
     virtual ~CMainFrame();
 public:
+    void init();
 
+private:
+    void turn2blue(wxCommandEvent& event);
+    void turn2white(wxCommandEvent& event);
+
+private:
+    cv::Mat img_;
+    CImagePanel* win_img_;
 };

WinImg.cpp

@@ -0,0 +1,29 @@
+#include "WinImg.h"
+
+CImagePanel::CImagePanel(wxWindow* parent)
+    : wxPanel(parent), bitmap_(wxNullBitmap)
+{
+    Bind(wxEVT_PAINT, &CImagePanel::OnPaint, this);
+}
+
+void CImagePanel::set_img(const cv::Mat& img)
+{
+    if (img.empty()) {
+        return;
+    }
+
+    cv::Mat rgb_img;
+    cv::cvtColor(img, rgb_img, cv::COLOR_BGR2RGB);
+
+    wxImage wimg(rgb_img.cols, rgb_img.rows, rgb_img.data, true);
+    bitmap_ = wxBitmap(wimg);
+    Refresh();
+}
+
+void CImagePanel::OnPaint(wxPaintEvent& event)
+{
+    wxPaintDC dc(this);
+    if (bitmap_.IsOk()) {
+        dc.DrawBitmap(bitmap_, 0, 0, false);
+    }
+}

WinImg.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <wx/wx.h>
+#include <opencv2/opencv.hpp>
+
+class CImagePanel : public wxPanel
+{
+public:
+    CImagePanel(wxWindow* parent);
+
+public:
+    void set_img(const cv::Mat& img);
+
+protected:
+    void OnPaint(wxPaintEvent& event);
+
+private:
+    wxBitmap bitmap_;
+};