DtQSvgView.h

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** Copyright (c) 2021 MAK Technologies, Inc.
*******************************************************************************/


#pragma once

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#if !defined(Q_MOC_RUN)
#include <vrfGuiCommonQt/vrfGuiCommonQt.h>
#endif

#include <QGraphicsView>

QT_BEGIN_NAMESPACE
class QGraphicsSvgItem;
class QSvgRenderer;
class QWheelEvent;
class QPaintEvent;
QT_END_NAMESPACE

namespace makVrf
{
   class DT_DLL_VRFGUICOMMONQT DtQSvgView : public QGraphicsView
   {
       Q_OBJECT

   public:
       explicit DtQSvgView(QWidget *parent = nullptr);
       
       virtual ~DtQSvgView();

       virtual void load(const std::string& contents, bool bKeepViewport = false);

       virtual bool openFile(const QString &fileName);

       virtual void drawBackground(QPainter *p, const QRectF &rect) override;

       virtual QSize svgSize() const;

       virtual qreal zoomFactor() const;

   public slots:
       virtual void setViewBackground(bool enable);

       virtual void zoomIn();
       virtual void zoomOut();
       virtual void resetZoom();

   signals:
       void zoomChanged();

   protected:
       virtual void wheelEvent(QWheelEvent *event) override;
       virtual void paintEvent(QPaintEvent *event) override;

       virtual void deleteAndClearSvg();

   protected:
      virtual void zoomBy(qreal factor);

      QSvgRenderer *pMySvgRenderer;


       QGraphicsSvgItem *m_svgItem;
       QGraphicsRectItem *m_backgroundItem;
   };
}