Initial Linux Qt OpenCV project

app/include/MainWindow.h

@@ -0,0 +1,72 @@
+#pragma once
+
+#include "ImageWorker.h"
+
+#include <QMainWindow>
+#include <QThread>
+#include <opencv2/core.hpp>
+
+class QAction;
+class QLabel;
+class QSpinBox;
+class QDoubleSpinBox;
+class QPushButton;
+class ImageView;
+
+class MainWindow final : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = nullptr);
+    ~MainWindow() override;
+
+Q_SIGNALS:
+    void processRequested(cv::Mat image, ImageWorker::Operation operation, double value, int dx, int dy);
+
+private Q_SLOTS:
+    void openImage();
+    void saveImage();
+    void saveImageAs();
+    void resetToOriginal();
+    void onProcessFinished(ProcessResult result);
+    void onProcessFailed(const QString &message);
+    void rotateLeft();
+    void rotateRight();
+    void scaleUp();
+    void scaleDown();
+    void translateUp();
+    void translateDown();
+    void translateLeft();
+    void translateRight();
+    void extractTargets();
+    void classifyImage();
+
+private:
+    void buildUi();
+    void setupWorkerThread();
+    void updateViews();
+    void setBusy(bool busy);
+    bool ensureHasImage() const;
+    void requestProcess(ImageWorker::Operation operation, double value = 0.0, int dx = 0, int dy = 0);
+    bool writeCurrentImageTo(const QString &path);
+
+    ImageView *originalView_ = nullptr;
+    ImageView *processedView_ = nullptr;
+    QLabel *infoLabel_ = nullptr;
+    QLabel *statusLabel_ = nullptr;
+    QDoubleSpinBox *scaleSpin_ = nullptr;
+    QDoubleSpinBox *angleSpin_ = nullptr;
+    QSpinBox *translateSpin_ = nullptr;
+
+    QAction *saveAction_ = nullptr;
+    QAction *saveAsAction_ = nullptr;
+
+    QThread workerThread_;
+    ImageWorker *worker_ = nullptr;
+
+    cv::Mat originalImage_;
+    cv::Mat processedImage_;
+    QString currentPath_;
+    bool busy_ = false;
+};