dust3d/application/sources/image_preview_widget.h

#ifndef DUST3D_APPLICATION_IMAGE_PREVIEW_WIDGET_H_
#define DUST3D_APPLICATION_IMAGE_PREVIEW_WIDGET_H_

#include <QImage>
#include <QMouseEvent>
#include <QPaintEvent>
#include <QWidget>

class ImagePreviewWidget : public QWidget {
    Q_OBJECT
signals:
    void clicked();

public:
    ImagePreviewWidget(QWidget* parent = nullptr);
    void updateImage(const QImage& image);
    void updateBackgroundColor(const QColor& color);

protected:
    void paintEvent(QPaintEvent* event);
    void mousePressEvent(QMouseEvent* event);

private:
    QImage m_image;
    QColor m_backgroundColor;

    void resizeImage(QImage* image, const QSize& newSize);
};

#endif