feat: new action for fit long image

app/actionmanager.cpp

@@ -58,6 +58,7 @@ void ActionManager::setupAction(MainWindow *mainWindow)
     CREATE_NEW_ACTION(mainWindow, actionHorizontalFlip);
     CREATE_NEW_ACTION(mainWindow, actionFitInView);
     CREATE_NEW_ACTION(mainWindow, actionFitByWidth);
+    CREATE_NEW_ACTION(mainWindow, actionFitLongImage);
     CREATE_NEW_THEMEICON_ACTION(mainWindow, actionCopyPixmap, edit-copy);
     CREATE_NEW_ACTION(mainWindow, actionCopyFilePath);
     CREATE_NEW_THEMEICON_ACTION(mainWindow, actionPaste, edit-paste);
@@ -101,6 +102,7 @@ void ActionManager::retranslateUi(MainWindow *mainWindow)
     actionHorizontalFlip->setText(QCoreApplication::translate("MainWindow", "Flip &Horizontally", nullptr));
     actionFitInView->setText(QCoreApplication::translate("MainWindow", "Fit to view", nullptr));
     actionFitByWidth->setText(QCoreApplication::translate("MainWindow", "Fit to width", nullptr));
+    actionFitLongImage->setText(QCoreApplication::translate("MainWindow", "Fit long image", nullptr));
     actionCopyPixmap->setText(QCoreApplication::translate("MainWindow", "Copy P&ixmap", nullptr));
     actionCopyFilePath->setText(QCoreApplication::translate("MainWindow", "Copy &File Path", nullptr));
     actionPaste->setText(QCoreApplication::translate("MainWindow", "&Paste", nullptr));

app/actionmanager.h

@@ -41,6 +41,7 @@ public:
     QAction *actionHorizontalFlip;
     QAction *actionFitInView;
     QAction *actionFitByWidth;
+    QAction *actionFitLongImage;
     QAction *actionCopyPixmap;
     QAction *actionCopyFilePath;
     QAction *actionPaste;

app/graphicsview.cpp

@@ -282,19 +282,12 @@ bool GraphicsView::isLongImage() const
 
 void GraphicsView::fitLongImage()
 {
-    // Determine image orientation based on current transform
     QRectF transformedRect = transform().mapRect(sceneRect());
-    qreal aspectRatio = transformedRect.width() / transformedRect.height();
-    bool isTallImage = aspectRatio < 0.4;
-    bool isWideImage = aspectRatio > 2.5;
-    
-    // Use fitByOrientation with the migrated logic
-    if (isTallImage) {
-        // Tall image (height >> width): fit by width
-        fitByOrientation(Qt::Horizontal, true);  // scaleDownOnly = true
-    } else if (isWideImage) {
-        // Wide image (width >> height): fit by height
-        fitByOrientation(Qt::Vertical, true);    // scaleDownOnly = true
+
+    if (transformedRect.width() < transformedRect.height()) {
+        fitByOrientation(Qt::Horizontal, true);
+    } else {
+        fitByOrientation(Qt::Vertical, true);
     }
 }
 

app/mainwindow.cpp

@@ -737,6 +737,12 @@ void MainWindow::on_actionFitByWidth_triggered()
     m_graphicsView->fitByOrientation();
 }
 
+void MainWindow::on_actionFitLongImage_triggered()
+{
+    m_graphicsView->setLongImageMode(true);
+    m_graphicsView->fitLongImage();
+}
+
 void MainWindow::on_actionCopyPixmap_triggered()
 {
     QClipboard *cb = QApplication::clipboard();

app/mainwindow.h

@@ -93,6 +93,7 @@ private slots:
     void on_actionHorizontalFlip_triggered();
     void on_actionFitInView_triggered();
     void on_actionFitByWidth_triggered();
+    void on_actionFitLongImage_triggered();
     void on_actionCopyPixmap_triggered();
     void on_actionCopyFilePath_triggered();
     void on_actionPaste_triggered();