48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#ifndef MYGRAPHICSGRIDITEM_H
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#define MYGRAPHICSGRIDITEM_H
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#include <QObject>
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#include <QPainter>
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#include <QGraphicsItem>
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#include <QGraphicsScene>
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#include <QGraphicsSceneMouseEvent>
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#include <QPixmap>
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#include <QPicture>
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#include <QList>
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#include <QtGui>
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#include <QList>
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class MyGraphicsGridItem : public QObject, public QGraphicsItem
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{
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Q_OBJECT
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Q_INTERFACES(QGraphicsItem) //通知要实现的类构成何种界面的宏
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public:
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MyGraphicsGridItem(double gridSpacing,QRectF rect);
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~MyGraphicsGridItem();
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//绘图区域
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QRectF boundingRect() const;
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//绘制按钮图像的函数
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void paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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QWidget *widget = 0);
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QPointF getClosestFocus(QPointF point);
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protected: //事件
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void mousePressEvent(QGraphicsSceneMouseEvent* event);
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void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
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private:
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QList<double> m_listX;//X轴坐标点
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QList<double> m_listY;//Y轴坐标点
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QRectF m_boundingRect;//返回形状
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double m_gridSpacing;
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QRectF m_rect;
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public slots:
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};
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#endif // MYGRAPHICSGRIDITEM_H
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