Standard-of-Iron/app/models/map_preview_image_provider.h

#pragma once

#include <QImage>
#include <QMap>
#include <QMutex>
#include <QQuickImageProvider>
#include <QString>

class MapPreviewImageProvider : public QQuickImageProvider {
  Q_OBJECT

public:
  MapPreviewImageProvider();

  QImage requestImage(const QString &id, QSize *size,
                      const QSize &requested_size) override;

  Q_INVOKABLE void set_preview_image(const QString &map_id,
                                     const QImage &image);
  Q_INVOKABLE void clear_preview(const QString &map_id);

private:
  QMap<QString, QImage> m_preview_images;
  QMutex m_mutex;
};