75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
#ifndef MYGRAPHICSVIEW_H
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#define MYGRAPHICSVIEW_H
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#include <QObject>
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#include <QGraphicsView>
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#include <QMouseEvent>
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#include <QWheelEvent>
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#include <QScrollBar>
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#include <QGestureEvent>
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#include <QPinchGesture>
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#include "mygraphicsscene.h"
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#define GRIDSIZE1 1 //一个格子代表1毫米
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#define GRIDSIZE254 25.4 //一个格子代表25.4毫米
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#define SCENESIZE 800.0
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///
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/// \brief The MyGraphicsView class 视图层
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///
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class MyGraphicsView : public QGraphicsView
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{
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Q_OBJECT
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public:
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explicit MyGraphicsView(QWidget *parent = NULL,double gridUnit = 0.0);
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~MyGraphicsView();
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private:
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MyGraphicsScene *m_scene;
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//鼠标左键按下点
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QPoint m_leftPressPoint;
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//鼠标左键抬起点
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QPoint m_leftReleasePoint;
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protected:
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void resizeEvent(QResizeEvent *event);//窗口大小发生变化的时候，该函数触发
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void mouseDoubleClickEvent(QMouseEvent *event);
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void mousePressEvent(QMouseEvent *event) override;
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void mouseReleaseEvent(QMouseEvent *event);
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void mouseMoveEvent(QMouseEvent *event);
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void wheelEvent(QWheelEvent *event);
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void showEvent(QShowEvent *event) override;
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public:
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void swithViewByPic(QPicture pic);
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void creatViewByData(QByteArray ary);
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void creatViewByList(QList<drawItem> list);
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void setRangeXY(s32 maxX,s32 minX,s32 maxY,s32 minY);
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void enlargeView();
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void narrowView();
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void forwardAndBackward(int idx);
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int getItemNums();
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void moveScene(int x,int y);//移动场景
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void autoView();//自动调整大小
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void insertPoint(int dir);
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void removeSelectPoint();//删除选中点 默认删除最后一个点
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void setShapeType(int type);
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QList<QGraphicsEllipseItem *> getPointList();
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void cleanView();
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void setAdsorption(bool adsorption);
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void setMaxSegmentLength(int value);
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int getMaxSegmentLength();
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void setXYMove(double valX,double valY);
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void revokeLastItem();//撤销最后一个图元
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QList<GLineItem> getLineItemList();
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QList<GPathItem> getPathItemList();
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void restoreView();
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signals:
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void siCurrentIndex(int idx);
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public slots:
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};
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#endif // MYGRAPHICSVIEW_H
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