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34 lines
589 B
C++
34 lines
589 B
C++
#pragma once
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#include <ZxSimpleTool.h>
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class ZxRenderItem;
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/// 区域缩放和滚轮缩放
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class I_PLOTBASE_EXPORT ZxZoomTool : public ZxSimpleTool
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{
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Q_OBJECT
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public:
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ZxZoomTool();
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ZxZoomTool(const ZxZoomTool& c);
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protected:
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virtual bool onLeftDown(const QPointF& pt);
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virtual bool onLeftUp(const QPointF& pt);
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virtual bool onMouseMove(const QPointF& pt);
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virtual bool onMouseWheel(const QPointF& pt, int delta);
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virtual void onPaint(QPainter* painter, const ZxPaintParam& param);
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protected:
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bool m_bTracking;
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QRectF m_rtTracker;
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};
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