yosys/libs/svgviewer/svgview.h

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#ifndef SVGVIEW_H
#define SVGVIEW_H

#include <QGraphicsView>
#include <QGraphicsWebView>

QT_BEGIN_NAMESPACE
class QWheelEvent;
class QPaintEvent;
class QFile;
QT_END_NAMESPACE

class SvgView : public QGraphicsView
{
    Q_OBJECT

public:
    enum RendererType { Native, OpenGL, Image };

    SvgView(QWidget *parent = 0);

    void openFile(const QFile &file);
    void setRenderer(RendererType type = Native);
    void drawBackground(QPainter *p, const QRectF &rect);

public slots:
    void setHighQualityAntialiasing(bool highQualityAntialiasing);
    void setViewInteractive(bool enable);
    void setViewBackground(bool enable);
    void setViewOutline(bool enable);

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

private:
    RendererType m_renderer;

    QString fn;
    QGraphicsItem *m_svgItem;
    QGraphicsWebView *m_webview;
    QGraphicsRectItem *m_backgroundItem;
    QGraphicsRectItem *m_outlineItem;

    QImage m_image;
};
#endif // SVGVIEW_H