75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "ui/rp_widget.h"
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#include "editor/photo_editor_common.h"
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class QGraphicsItemGroup;
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class QGraphicsView;
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namespace Editor {
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class UndoController;
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// Paint control.
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class Paint final : public Ui::RpWidget {
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public:
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Paint(
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not_null<Ui::RpWidget*> parent,
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PhotoModifications &modifications,
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const QSize &imageSize,
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std::shared_ptr<UndoController> undoController);
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[[nodiscard]] std::shared_ptr<QGraphicsScene> saveScene() const;
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void applyTransform(QRect geometry, int angle, bool flipped);
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void cancel();
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void keepResult();
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void updateUndoState();
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private:
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struct SavedItem {
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QGraphicsItem *item;
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bool undid = false;
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};
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void initDrawing();
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bool hasUndo() const;
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bool hasRedo() const;
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void clearRedoList();
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bool isItemToRemove(not_null<QGraphicsItem*> item) const;
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bool isItemHidden(not_null<QGraphicsItem*> item) const;
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std::vector<QGraphicsItem*> groups(
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Qt::SortOrder order = Qt::DescendingOrder) const;
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const std::shared_ptr<QGraphicsScene> _scene;
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const base::unique_qptr<QGraphicsView> _view;
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const QSize _imageSize;
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std::vector<SavedItem> _previousItems;
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QList<QGraphicsItem*> _itemsToRemove;
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struct {
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QPointF lastPoint;
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float size = 1.;
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QColor color;
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QGraphicsItemGroup *group;
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} _brushData;
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rpl::variable<bool> _hasUndo = true;
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rpl::variable<bool> _hasRedo = true;
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};
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} // namespace Editor
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