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/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
* Copyright (c) 2022, Tobias Christiansen <tobyase@serenityos.org>
* Copyright (c) 2022, Timothy Slater <tslater2006@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <AK/Noncopyable.h>
#include <AK/RefCounted.h>
#include <AK/Weakable.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Painter.h>
namespace PixelPaint {
class Image;
class Selection;
class Layer
: public RefCounted<Layer>
, public Weakable<Layer> {
AK_MAKE_NONCOPYABLE(Layer);
AK_MAKE_NONMOVABLE(Layer);
public:
static ErrorOr<NonnullRefPtr<Layer>> try_create_with_size(Image&, Gfx::IntSize, DeprecatedString name);
static ErrorOr<NonnullRefPtr<Layer>> try_create_with_bitmap(Image&, NonnullRefPtr<Gfx::Bitmap>, DeprecatedString name);
static ErrorOr<NonnullRefPtr<Layer>> try_create_snapshot(Image&, Layer const&);
~Layer() = default;
Gfx::IntPoint location() const { return m_location; }
void set_location(Gfx::IntPoint location) { m_location = location; }
Gfx::Bitmap const& display_bitmap() const { return m_cached_display_bitmap; }
Gfx::Bitmap const& content_bitmap() const { return m_content_bitmap; }
Gfx::Bitmap& content_bitmap() { return m_content_bitmap; }
Gfx::Bitmap const* mask_bitmap() const { return m_mask_bitmap; }
Gfx::Bitmap* mask_bitmap() { return m_mask_bitmap; }
void create_mask();
Gfx::Bitmap& get_scratch_edited_bitmap();
Gfx::IntSize size() const { return content_bitmap().size(); }
Gfx::IntRect relative_rect() const { return { location(), size() }; }
Gfx::IntRect rect() const { return { {}, size() }; }
DeprecatedString const& name() const { return m_name; }
void set_name(DeprecatedString);
void flip(Gfx::Orientation orientation);
void rotate(Gfx::RotationDirection direction);
void crop(Gfx::IntRect const& rect);
void resize(Gfx::IntSize new_size, Gfx::Painter::ScalingMode scaling_mode);
void resize(Gfx::IntRect const& new_rect, Gfx::Painter::ScalingMode scaling_mode);
void resize(Gfx::IntSize new_size, Gfx::IntPoint new_location, Gfx::Painter::ScalingMode scaling_mode);
Optional<Gfx::IntRect> nonempty_content_bounding_rect() const;
ErrorOr<void> try_set_bitmaps(NonnullRefPtr<Gfx::Bitmap> content, RefPtr<Gfx::Bitmap> mask);
void did_modify_bitmap(Gfx::IntRect const& = {});
void set_selected(bool selected) { m_selected = selected; }
bool is_selected() const { return m_selected; }
bool is_visible() const { return m_visible; }
void set_visible(bool visible);
int opacity_percent() const { return m_opacity_percent; }
void set_opacity_percent(int);
RefPtr<Gfx::Bitmap> try_copy_bitmap(Selection const&) const;
Image const& image() const { return m_image; }
void erase_selection(Selection const&);
bool is_masked() const { return !m_mask_bitmap.is_null(); }
enum class EditMode {
Content,
Mask,
};
EditMode edit_mode() { return m_edit_mode; }
void set_edit_mode(EditMode mode);
Gfx::Bitmap& currently_edited_bitmap();
private:
Layer(Image&, NonnullRefPtr<Gfx::Bitmap>, DeprecatedString name);
Image& m_image;
DeprecatedString m_name;
Gfx::IntPoint m_location;
NonnullRefPtr<Gfx::Bitmap> m_content_bitmap;
RefPtr<Gfx::Bitmap> m_scratch_edited_bitmap { nullptr };
RefPtr<Gfx::Bitmap> m_mask_bitmap { nullptr };
NonnullRefPtr<Gfx::Bitmap> m_cached_display_bitmap;
bool m_selected { false };
bool m_visible { true };
int m_opacity_percent { 100 };
EditMode m_edit_mode { EditMode::Content };
void update_cached_bitmap();
};
}
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