Jungfraujoch/viewer/windows/JFJochMagnifierWindow.h

// SPDX-FileCopyrightText: 2026 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only

#pragma once

#include "JFJochHelperWindow.h"
#include <QPointF>

class JFJochSimpleImage;

// ADXV-style magnifier: a small window showing a high-zoom close-up of the main
// image that follows the cursor. Fed the original image (converted to a
// SimpleImage) and re-centered on each hover position.
class JFJochMagnifierWindow : public JFJochHelperWindow {
    Q_OBJECT

    JFJochSimpleImage *m_image;
    double m_magnification = 12.0;
    bool m_have_image = false;

public:
    explicit JFJochMagnifierWindow(QWidget *parent = nullptr);

    void imageLoaded(std::shared_ptr<const JFJochReaderImage> image) override;

public slots:
    void centerAt(QPointF scenePos);
};