nikola
71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
#pragma once
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#include "model/Annotation.h"
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#include <QObject>
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#include <QImage>
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#include <optional>
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#include <vector>
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namespace ws::model {
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class EditorDocument : public QObject {
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Q_OBJECT
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public:
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explicit EditorDocument(QObject* parent = nullptr);
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void set_base_image(const QImage& image);
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[[nodiscard]] const QImage& base_image() const;
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void add_annotation(const Annotation& annotation);
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bool select_at(const QPointF& point);
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void clear_selection();
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bool move_selected_by(const QPointF& delta);
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bool update_annotation(const Annotation& annotation);
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bool delete_selected();
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[[nodiscard]] const std::vector<Annotation>& annotations() const;
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[[nodiscard]] const Annotation* selected_annotation() const;
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[[nodiscard]] AnnotationStyle current_style() const;
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void set_current_style(const AnnotationStyle& style);
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[[nodiscard]] bool can_undo() const;
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[[nodiscard]] bool can_redo() const;
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bool undo();
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bool redo();
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[[nodiscard]] QImage render_to_image() const;
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[[nodiscard]] bool is_dirty() const;
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void mark_clean();
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signals:
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void document_changed();
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void selection_changed();
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void history_changed();
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void dirty_changed(bool dirty);
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private:
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struct Snapshot {
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std::vector<Annotation> annotations;
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std::optional<QUuid> selected;
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};
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void push_undo_state();
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void emit_dirty_if_changed(bool previous_dirty);
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[[nodiscard]] Annotation* find_annotation(const QUuid& id);
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[[nodiscard]] const Annotation* find_annotation(const QUuid& id) const;
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QImage base_image_;
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std::vector<Annotation> annotations_;
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std::optional<QUuid> selected_id_;
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AnnotationStyle current_style_;
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std::vector<Snapshot> undo_stack_;
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std::vector<Snapshot> redo_stack_;
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bool dirty_ = false;
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};
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} // namespace ws::model
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