embeddedsvgviewer.h

Enable keyboard shortcuts

++ // Copyright (C) 2016 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

++

++ #ifndef EMBEDDED_SVG_VIEWER_H

++ #define EMBEDDED_SVG_VIEWER_H

++

++ #include <QWidget>

++ #include <QString>

++ #include <QSize>

++

++ class QSvgRenderer;

++ class QMouseEvent;

++ class QSlider;

++ class QPushButton;

++

++ class EmbeddedSvgViewer : public QWidget

++ {

++     Q_OBJECT

++ public:

++     EmbeddedSvgViewer(const QString& filePath);

++     void paintEvent(QPaintEvent *event) override;

++     void mouseMoveEvent(QMouseEvent *event) override;

++     void mousePressEvent(QMouseEvent *event) override;

++     void resizeEvent(QResizeEvent *event) override;

++

++ public Q_SLOTS:

++     void setZoom(int); // 100 <= newZoom < 0

++

++ private:

++     QSvgRenderer* m_renderer;

++     QSlider* m_zoomSlider;

++     QPushButton* m_quitButton;

++     QSize m_imageSize;

++     qreal m_zoomLevel;

++     qreal m_imageScale; // How many Image coords 1 widget pixel is worth

++

++     QRectF m_viewBox;

++     QRectF m_viewBoxBounds;

++     QSizeF m_viewBoxSize;

++     QPointF m_viewBoxCenter;

++     QPointF m_viewBoxCenterOnMousePress;

++     QPoint m_mousePress;

++

++     void updateImageScale();

++     QRectF getViewBox(QPointF viewBoxCenter);

++ };

++

++

++

++ #endif