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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
* Copyright (c) 2021-2022, Mustafa Quraish <mustafa@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Guide.h"
#include "Image.h"
#include "Selection.h"
#include <AK/Variant.h>
#include <LibCore/EventLoop.h>
#include <LibGUI/AbstractZoomPanWidget.h>
#include <LibGUI/Frame.h>
#include <LibGUI/UndoStack.h>
#include <LibGfx/Point.h>
namespace PixelPaint {
class Layer;
class Tool;
class ImageEditor final
: public GUI::AbstractZoomPanWidget
, public ImageClient
, public SelectionClient {
C_OBJECT(ImageEditor);
public:
virtual ~ImageEditor() override;
Image const& image() const { return m_image; }
Image& image() { return m_image; }
Layer* active_layer() { return m_active_layer; }
void set_active_layer(Layer*);
ErrorOr<void> add_new_layer_from_selection();
Tool* active_tool() { return m_active_tool; }
void set_active_tool(Tool*);
void update_tool_cursor();
void did_complete_action(DeprecatedString action_text);
bool undo();
bool redo();
auto& undo_stack() { return m_undo_stack; }
DeprecatedString const& path() const { return m_path; }
void set_path(DeprecatedString);
DeprecatedString const& title() const { return m_title; }
void set_title(DeprecatedString);
void add_guide(NonnullRefPtr<Guide> guide) { m_guides.append(guide); }
void remove_guide(Guide const& guide)
{
m_guides.remove_first_matching([&](auto& entry) { return &guide == entry.ptr(); });
}
void clear_guides();
void layers_did_change();
Layer* layer_at_editor_position(Gfx::IntPoint);
void fit_image_to_view(FitType type = FitType::Both);
Color primary_color() const { return m_primary_color; }
void set_primary_color(Color);
Color secondary_color() const { return m_secondary_color; }
void set_secondary_color(Color);
Color color_for(GUI::MouseEvent const&) const;
Color color_for(GUI::MouseButton) const;
Function<void(Color)> on_primary_color_change;
Function<void(Color)> on_secondary_color_change;
Function<void(Layer*)> on_active_layer_change;
Function<void(DeprecatedString const&)> on_title_change;
Function<void(Gfx::IntPoint)> on_image_mouse_position_change;
Function<void(void)> on_leave;
Function<void(bool modified)> on_modified_change;
bool request_close();
void save_project_as();
void save_project();
Vector<NonnullRefPtr<Guide>> const& guides() const { return m_guides; }
bool guide_visibility() { return m_show_guides; }
void set_guide_visibility(bool show_guides);
Function<void(bool)> on_set_guide_visibility;
bool ruler_visibility() { return m_show_rulers; }
void set_ruler_visibility(bool);
Function<void(bool)> on_set_ruler_visibility;
bool pixel_grid_visibility() const { return m_show_pixel_grid; }
void set_pixel_grid_visibility(bool show_pixel_grid);
bool show_active_layer_boundary() const { return m_show_active_layer_boundary; }
void set_show_active_layer_boundary(bool);
void set_loaded_from_image(bool);
bool is_modified();
void draw_marching_ants(Gfx::Painter&, Gfx::IntRect const&) const;
void draw_marching_ants(Gfx::Painter&, Mask const&) const;
Core::EventLoop& gui_event_loop() { return m_gui_event_loop; }
void set_editor_color_to_color_at_mouse_position(GUI::MouseEvent const& event, bool sample_all_layers);
void set_modified(DeprecatedString action_text);
void set_unmodified();
void update_modified();
Function<void(DeprecatedString)> on_appended_status_info_change;
DeprecatedString appended_status_info() { return m_appended_status_info; };
void set_appended_status_info(DeprecatedString);
private:
explicit ImageEditor(NonnullRefPtr<Image>);
virtual void paint_event(GUI::PaintEvent&) override;
virtual void second_paint_event(GUI::PaintEvent&) override;
virtual void doubleclick_event(GUI::MouseEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
virtual void mouseup_event(GUI::MouseEvent&) override;
virtual void keydown_event(GUI::KeyEvent&) override;
virtual void keyup_event(GUI::KeyEvent&) override;
virtual void context_menu_event(GUI::ContextMenuEvent&) override;
virtual void enter_event(Core::Event&) override;
virtual void leave_event(Core::Event&) override;
virtual void image_did_change(Gfx::IntRect const&) override;
virtual void image_did_change_rect(Gfx::IntRect const&) override;
virtual void image_select_layer(Layer*) override;
virtual void selection_did_change() override;
Gfx::IntRect subtract_rulers_from_rect(Gfx::IntRect const& rect) const;
GUI::MouseEvent event_adjusted_for_layer(GUI::MouseEvent const&, Layer const&) const;
GUI::MouseEvent event_with_pan_and_scale_applied(GUI::MouseEvent const&) const;
ErrorOr<void> save_project_to_file(NonnullOwnPtr<Core::File>) const;
int calculate_ruler_step_size() const;
Gfx::IntRect mouse_indicator_rect_x() const;
Gfx::IntRect mouse_indicator_rect_y() const;
void paint_selection(Gfx::Painter&);
NonnullRefPtr<Image> m_image;
RefPtr<Layer> m_active_layer;
GUI::UndoStack m_undo_stack;
DeprecatedString m_path;
DeprecatedString m_title;
Vector<NonnullRefPtr<Guide>> m_guides;
bool m_show_guides { true };
bool m_show_rulers { true };
bool m_show_pixel_grid { true };
bool m_show_active_layer_boundary { true };
Tool* m_active_tool { nullptr };
Color m_primary_color { Color::Black };
Color m_secondary_color { Color::White };
Gfx::IntPoint m_mouse_position;
int m_ruler_thickness { 20 };
int m_mouse_indicator_triangle_size { 5 };
float m_pixel_grid_threshold { 15.0f };
Variant<Gfx::StandardCursor, NonnullRefPtr<Gfx::Bitmap const>> m_active_cursor { Gfx::StandardCursor::None };
bool m_loaded_from_image { true };
RefPtr<Core::Timer> m_marching_ants_timer;
int m_marching_ants_offset { 0 };
void draw_marching_ants_pixel(Gfx::Painter&, int x, int y) const;
Core::EventLoop& m_gui_event_loop;
DeprecatedString m_appended_status_info;
};
}
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