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- /*
- * canvas.h - main canvas widget
- * Copyright (C) 2017 caryoscelus
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifndef __STUDIO__CANVAS_H__4539A958
- #define __STUDIO__CANVAS_H__4539A958
- #include <memory>
- #include <QGraphicsView>
- #include <generic/context_listener.h>
- class QGraphicsScene;
- class QGraphicsItem;
- class QGraphicsPixmapItem;
- namespace core {
- class AbstractValue;
- }
- namespace studio {
- class Canvas : public QGraphicsView, public ContextListener {
- public:
- explicit Canvas(QWidget* parent = nullptr);
- virtual ~Canvas();
- public:
- void set_main_image(QPixmap const& pixmap);
- protected:
- virtual void time_changed(core::Time) override;
- virtual void active_node_changed(std::shared_ptr<core::AbstractValue> node) override;
- private:
- void redraw_selected_node();
- private:
- std::unique_ptr<QGraphicsScene> scene;
- std::unique_ptr<QGraphicsPixmapItem> image;
- std::vector<std::unique_ptr<QGraphicsItem>> knot_items;
- std::shared_ptr<core::AbstractValue> active_node;
- };
- }
- #endif
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