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https://github.com/LadybirdBrowser/ladybird.git
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d922e35579
While the external API has not changed, this will allow us to have non-rectangular selections in the future.
118 lines
3.6 KiB
C++
118 lines
3.6 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "Image.h"
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#include "Selection.h"
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#include <LibGUI/Frame.h>
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#include <LibGUI/UndoStack.h>
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#include <LibGfx/Point.h>
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namespace PixelPaint {
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class Layer;
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class Tool;
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class ImageEditor final
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: public GUI::Frame
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, public ImageClient {
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C_OBJECT(ImageEditor);
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public:
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virtual ~ImageEditor() override;
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Image const& image() const { return m_image; }
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Image& image() { return m_image; }
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Layer* active_layer() { return m_active_layer; }
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void set_active_layer(Layer*);
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Tool* active_tool() { return m_active_tool; }
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void set_active_tool(Tool*);
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void did_complete_action();
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bool undo();
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bool redo();
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void layers_did_change();
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Layer* layer_at_editor_position(Gfx::IntPoint const&);
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float scale() const { return m_scale; }
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void scale_centered_on_position(Gfx::IntPoint const&, float);
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void reset_scale_and_position();
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void scale_by(float);
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Color primary_color() const { return m_primary_color; }
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void set_primary_color(Color);
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Color secondary_color() const { return m_secondary_color; }
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void set_secondary_color(Color);
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Selection& selection() { return m_selection; }
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Selection const& selection() const { return m_selection; }
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Color color_for(GUI::MouseEvent const&) const;
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Color color_for(GUI::MouseButton) const;
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Function<void(Color)> on_primary_color_change;
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Function<void(Color)> on_secondary_color_change;
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Function<void(Layer*)> on_active_layer_change;
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Function<void(String const&)> on_image_title_change;
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Gfx::FloatRect layer_rect_to_editor_rect(Layer const&, Gfx::IntRect const&) const;
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Gfx::FloatRect image_rect_to_editor_rect(Gfx::IntRect const&) const;
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Gfx::FloatRect editor_rect_to_image_rect(Gfx::IntRect const&) const;
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Gfx::FloatPoint layer_position_to_editor_position(Layer const&, Gfx::IntPoint const&) const;
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Gfx::FloatPoint image_position_to_editor_position(Gfx::IntPoint const&) const;
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Gfx::FloatPoint editor_position_to_image_position(Gfx::IntPoint const&) const;
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private:
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explicit ImageEditor(NonnullRefPtr<Image>);
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void second_paint_event(GUI::PaintEvent&) override;
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void mousemove_event(GUI::MouseEvent&) override;
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virtual void mouseup_event(GUI::MouseEvent&) override;
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virtual void mousewheel_event(GUI::MouseEvent&) override;
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virtual void keydown_event(GUI::KeyEvent&) override;
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virtual void keyup_event(GUI::KeyEvent&) override;
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virtual void context_menu_event(GUI::ContextMenuEvent&) override;
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virtual void resize_event(GUI::ResizeEvent&) override;
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virtual void image_did_change() override;
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virtual void image_select_layer(Layer*) override;
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virtual void image_did_change_title(String const&) override;
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GUI::MouseEvent event_adjusted_for_layer(GUI::MouseEvent const&, Layer const&) const;
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GUI::MouseEvent event_with_pan_and_scale_applied(GUI::MouseEvent const&) const;
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void clamped_scale(float);
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void relayout();
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NonnullRefPtr<Image> m_image;
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RefPtr<Layer> m_active_layer;
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OwnPtr<GUI::UndoStack> m_undo_stack;
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Tool* m_active_tool { nullptr };
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Color m_primary_color { Color::Black };
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Color m_secondary_color { Color::White };
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Gfx::IntRect m_editor_image_rect;
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float m_scale { 1 };
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Gfx::FloatPoint m_pan_origin;
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Gfx::FloatPoint m_saved_pan_origin;
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Gfx::IntPoint m_click_position;
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Selection m_selection;
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};
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}
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