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30 lines
693 B
C++
30 lines
693 B
C++
#ifndef GRAPHICSVIEWZOOM_H
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#define GRAPHICSVIEWZOOM_H
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#include <QObject>
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#include <QGraphicsView>
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namespace LimeReport {
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class GraphicsViewZoomer : public QObject {
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Q_OBJECT
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public:
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GraphicsViewZoomer(QGraphicsView* view);
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void gentleZoom(double factor);
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void setModifiers(Qt::KeyboardModifiers modifiers);
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void setZoomFactorBase(double value);
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void setView(QGraphicsView* view);
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private:
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QGraphicsView* m_view;
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Qt::KeyboardModifiers m_modifiers;
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double m_zoomFactorBase;
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QPointF m_targetScenePos, m_targetViewportPos;
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bool eventFilter(QObject* object, QEvent* event);
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signals:
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void zoomed(double factor);
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};
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} // namespace LimeReport
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#endif // GRAPHICSVIEWZOOM_H
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