ImagePreview.h

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// ###########################################################################################################################################################################################################################################################################################################################
 
#pragma once
 
// OpenTwin header
#include "OTWidgets/QWidgetInterface.h"
#include "OTWidgets/OTWidgetsAPIExport.h"
 
// Qt header
#include <QtGui/qimage.h>
#include <QtWidgets/qframe.h>
 
namespace ot {
 
    class OT_WIDGETS_API_EXPORT ImagePreview : public QFrame, public QWidgetInterface {
        Q_OBJECT
    public:
        ImagePreview();
        ImagePreview(const QImage& _image);
        virtual ~ImagePreview();
 
        virtual QWidget* getQWidget(void) override { return this; };
 
        virtual void paintEvent(QPaintEvent* _event) override;
 
        virtual QSize sizeHint(void) const override;
 
        virtual void wheelEvent(QWheelEvent* _event) override;
 
        virtual void keyPressEvent(QKeyEvent* _event) override;
 
        virtual void mousePressEvent(QMouseEvent* _event) override;
 
        void setImage(const QImage& _image);
        const QImage& image(void) const { return m_image; };
 
        void setImageMargins(const QMargins& _margins);
        const QMargins& getImageMargins(void) const { return m_imageMargins; };
 
        void setEnableResizing(bool _enable) { m_enabledResizing = _enable; };
        bool getEnableResizing(void) const { return m_enabledResizing; };
 
    Q_SIGNALS:
        void imagePixedClicked(const QPoint& _px);
 
    private:
        bool m_enabledResizing;
        QSize m_size;
        QImage m_image;
        QMargins m_imageMargins;
    };
 
}