QuickShow: Rotate image left and right, flip vertical and horizontal

Applications/QuickShow/QSWidget.cpp

@@ -42,6 +42,22 @@ QSWidget::~QSWidget()
 {
 }
 
+void QSWidget::flip(Gfx::Orientation orientation)
+{
+    m_bitmap = m_bitmap->flipped(orientation);
+    set_scale(m_scale);
+
+    resize_window();
+}
+
+void QSWidget::rotate(Gfx::RotationDirection rotation_direction)
+{
+    m_bitmap = m_bitmap->rotated(rotation_direction);
+    set_scale(m_scale);
+
+    resize_window();
+}
+
 void QSWidget::navigate(Directions direction)
 {
     if (m_path == nullptr)
@@ -211,3 +227,22 @@ void QSWidget::drop_event(GUI::DropEvent& event)
     if (on_drop)
         on_drop(event);
 }
+
+void QSWidget::resize_window()
+{
+    if (window()->is_fullscreen())
+        return;
+
+    if (!m_bitmap)
+        return;
+
+    auto new_size = m_bitmap->size();
+
+    if (new_size.width() < 300)
+        new_size.set_width(300);
+    if (new_size.height() < 200)
+        new_size.set_height(200);
+
+    new_size.set_height(new_size.height());
+    window()->resize(new_size);
+}

Applications/QuickShow/QSWidget.h

@@ -27,6 +27,7 @@
 #pragma once
 
 #include <LibGUI/Frame.h>
+#include <LibGfx/Bitmap.h>
 #include <LibGfx/FloatPoint.h>
 
 class QSLabel;
@@ -46,6 +47,8 @@ public:
     const Gfx::Bitmap* bitmap() const { return m_bitmap.ptr(); }
     const String& path() const { return m_path; }
 
+    void flip(Gfx::Orientation);
+    void rotate(Gfx::RotationDirection);
     void navigate(Directions);
     void load_from_file(const String&);
 
@@ -63,6 +66,7 @@ private:
     virtual void drop_event(GUI::DropEvent&) override;
 
     void relayout();
+    void resize_window();
 
     String m_path;
     RefPtr<Gfx::Bitmap> m_bitmap;

Applications/QuickShow/main.cpp

@@ -103,6 +103,26 @@ int main(int argc, char** argv)
     };
 
     // Actions
+    auto rotate_left_action = GUI::Action::create("Rotate Left", { Mod_None, Key_L },
+        [&](auto&) {
+            widget.rotate(Gfx::RotationDirection::Left);
+        });
+
+    auto rotate_right_action = GUI::Action::create("Rotate Right", { Mod_None, Key_R },
+        [&](auto&) {
+            widget.rotate(Gfx::RotationDirection::Right);
+        });
+
+    auto vertical_flip_action = GUI::Action::create("Vertical Flip", { Mod_None, Key_V },
+        [&](auto&) {
+            widget.flip(Gfx::Orientation::Vertical);
+        });
+
+    auto horizontal_flip_action = GUI::Action::create("Horizontal Flip", { Mod_None, Key_H },
+        [&](auto&) {
+            widget.flip(Gfx::Orientation::Horizontal);
+        });
+
     auto go_first_action = GUI::Action::create("First", { Mod_None, Key_Home }, Gfx::Bitmap::load_from_file("/res/icons/16x16/go-first.png"),
         [&](auto&) {
             widget.navigate(QSWidget::Directions::First);
@@ -137,6 +157,12 @@ int main(int argc, char** argv)
         app.quit();
     }));
 
+    auto& image_menu = menubar->add_menu("Image");
+    image_menu.add_action(rotate_left_action);
+    image_menu.add_action(rotate_right_action);
+    image_menu.add_action(vertical_flip_action);
+    image_menu.add_action(horizontal_flip_action);
+
     auto& navigate_menu = menubar->add_menu("Navigate");
     navigate_menu.add_action(go_first_action);
     navigate_menu.add_action(go_back_action);