PixelPaint: Add a Duplicate Layer action

The "Duplicate Layer" action inserts a copy of the selected layer into
the layer stack. The new layer is placed above the selected layer.

1 files changed, 3 insertions, 0 deletions

diff --git a/Userland/Applications/PixelPaint/Image.h b/Userland/Applications/PixelPaint/Image.h
index 07c1c7e754..37f3f3b733 100644
--- a/Userland/Applications/PixelPaint/Image.h
+++ b/Userland/Applications/PixelPaint/Image.h
@@ -65,6 +65,7 @@ public:
     Gfx::IntRect rect() const { return { {}, m_size }; }
 
     void add_layer(NonnullRefPtr<Layer>);
+    void insert_layer(NonnullRefPtr<Layer>, size_t index);
     ErrorOr<NonnullRefPtr<Image>> take_snapshot() const;
     ErrorOr<void> restore_snapshot(Image const&);
 
@@ -124,6 +125,8 @@ private:
     ErrorOr<void> merge_layers(LayerMergeMode);
     ErrorOr<void> merge_active_layer(NonnullRefPtr<Layer> const&, LayerMergeDirection);
 
+    DeprecatedString generate_unique_layer_name(DeprecatedString const& original_name);
+
     Gfx::IntSize m_size;
     Vector<NonnullRefPtr<Layer>> m_layers;