PixelPaint: Use correct thickness in `EllipseTool::on_second_paint()`

Previously, we were ignoring the scale of the editor in the second
paint step. If you were zoomed in, the size while you were drawing
was not the same as the size of the final shape.

Userland/Applications/PixelPaint/EllipseTool.cpp

@@ -27,7 +27,7 @@ EllipseTool::~EllipseTool()
 {
 }
 
-void EllipseTool::draw_using(GUI::Painter& painter, Gfx::IntPoint const& start_position, Gfx::IntPoint const& end_position)
+void EllipseTool::draw_using(GUI::Painter& painter, Gfx::IntPoint const& start_position, Gfx::IntPoint const& end_position, int thickness)
 {
     Gfx::IntRect ellipse_intersecting_rect;
     if (m_draw_mode == DrawMode::FromCenter) {
@@ -39,7 +39,7 @@ void EllipseTool::draw_using(GUI::Painter& painter, Gfx::IntPoint const& start_p
 
     switch (m_fill_mode) {
     case FillMode::Outline:
-        painter.draw_ellipse_intersecting(ellipse_intersecting_rect, m_editor->color_for(m_drawing_button), m_thickness);
+        painter.draw_ellipse_intersecting(ellipse_intersecting_rect, m_editor->color_for(m_drawing_button), thickness);
         break;
     case FillMode::Fill:
         painter.fill_ellipse(ellipse_intersecting_rect, m_editor->color_for(m_drawing_button));
@@ -74,7 +74,7 @@ void EllipseTool::on_mouseup(Layer* layer, MouseEvent& event)
 
     if (event.layer_event().button() == m_drawing_button) {
         GUI::Painter painter(layer->bitmap());
-        draw_using(painter, m_ellipse_start_position, m_ellipse_end_position);
+        draw_using(painter, m_ellipse_start_position, m_ellipse_end_position, m_thickness);
         m_drawing_button = GUI::MouseButton::None;
         m_editor->update();
         m_editor->did_complete_action();
@@ -101,7 +101,7 @@ void EllipseTool::on_second_paint(Layer const* layer, GUI::PaintEvent& event)
     painter.add_clip_rect(event.rect());
     auto preview_start = m_editor->layer_position_to_editor_position(*layer, m_ellipse_start_position).to_type<int>();
     auto preview_end = m_editor->layer_position_to_editor_position(*layer, m_ellipse_end_position).to_type<int>();
-    draw_using(painter, preview_start, preview_end);
+    draw_using(painter, preview_start, preview_end, m_thickness * m_editor->scale());
 }
 
 void EllipseTool::on_keydown(GUI::KeyEvent& event)

Userland/Applications/PixelPaint/EllipseTool.h

@@ -37,7 +37,7 @@ private:
         FromCorner,
     };
 
-    void draw_using(GUI::Painter&, Gfx::IntPoint const& start_position, Gfx::IntPoint const& end_position);
+    void draw_using(GUI::Painter&, Gfx::IntPoint const& start_position, Gfx::IntPoint const& end_position, int thickness);
 
     RefPtr<GUI::Widget> m_properties_widget;
     GUI::MouseButton m_drawing_button { GUI::MouseButton::None };