File indexing completed on 2024-04-21 04:52:25

 /*
     Kdenlive TitleClip Pattern
     SPDX-FileCopyrightText: 2020 Rafał Lalik <rafallalik@gmail.com>
 
     SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #pragma once
 
 #include <QAbstractListModel>
 #include <QSize>
 
 class QGraphicsItem;
 class QGraphicsPixmapItem;
 
 /**
  * @todo write docs
  */
 class PatternsModel : public QAbstractListModel
 {
 public:
     /**
      * Default constructor
      */
     explicit PatternsModel(QObject *parent = nullptr);
 
     QVariant data(const QModelIndex& index, int role) const override;
     int rowCount(const QModelIndex& parent) const override;
 
     /**
      * @brief Change size of the image to be displayed in the list
      * @param size tile size
      */
     virtual void setTileSize(const QSize & size) { m_tileSize = size; }
 
     /**
      * @brief Set background for the list tiles. Should be called with TitleWidget::m_frameImage as parameter.
      * @param pxm background pixmap 
      */
     virtual void setBackgroundPixmap(QGraphicsPixmapItem * pxm) { bkg = pxm; }
 
     /**
      * @brief Add new xml pattern to the model
      * @param pattern the xml from TitleWidget::xml() containing items.
      */
     virtual void addScene(const QString & pattern);
 
     /**
      * @brief Serialize all patterns
      * @return byte QByteArray
      */
     virtual QByteArray serialize();
     /**
      * @brief Deserialize byte array with patterns
      * @param data data
      */
     virtual void deserialize(const QByteArray & data);
 
     /**
      * @brief Return number of modification. Counter is incremented after each addScene() and removeScene() call. Is cleared after serialize() and deserialize() is called.
      * @return number of modifications
      */
     int getModifiedCounter() const { return modified_counter; }
 
     /**
      * @brief Repaint all scenes. Useful when e.g. background was changed.
      */
     virtual void repaintScenes();
 
 private:
     /**
      * @brief paint scene for given pattern
      * @param pattern xml pattern
      * @return rendered pixmap
      */
     virtual QPixmap paintScene(const QString & pattern);
 
 public Q_SLOTS:
     /**
      * @brief Remove scene.
      * @param index scene index
      */
     virtual void removeScene(const QModelIndex & index);
 
     /**
      * @brief Remove all scenes
      */
     virtual void removeAll();
 
 private:
     QVector<QString> patterns;
     QVector<QPixmap> pixmaps;
     QGraphicsPixmapItem * bkg{nullptr};
     int modified_counter{0};
 
     QSize m_tileSize{QSize(16,9)};
 };