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PixelPaint: Make merge up and down actions work with disjoint layers
The "Merge Active Layer Up" and "Merge Active Layer Down" actions now work with layers of different sizes. These actions now expand the bounding rect of the newly merged layer to contain all layers being merged. Layers which are not visible are now ignored by these actions.
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3 changed files with 79 additions and 29 deletions
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@ -85,8 +85,8 @@ public:
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void select_layer(Layer*);
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ErrorOr<void> flatten_all_layers();
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ErrorOr<void> merge_visible_layers();
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void merge_active_layer_up(Layer& layer);
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void merge_active_layer_down(Layer& layer);
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ErrorOr<void> merge_active_layer_up(Layer& layer);
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ErrorOr<void> merge_active_layer_down(Layer& layer);
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void add_client(ImageClient&);
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void remove_client(ImageClient&);
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@ -111,6 +111,11 @@ private:
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VisibleOnly
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};
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enum class LayerMergeDirection {
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Up,
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Down
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};
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explicit Image(Gfx::IntSize);
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void did_change(Gfx::IntRect const& modified_rect = {});
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@ -118,6 +123,7 @@ private:
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void did_modify_layer_stack();
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ErrorOr<void> merge_layers(LayerMergeMode);
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ErrorOr<void> merge_active_layer(NonnullRefPtr<Layer> const&, LayerMergeDirection);
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Gfx::IntSize m_size;
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NonnullRefPtrVector<Layer> m_layers;
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