PlotterHMI/datafile/view/mygraphicsitem.h

#ifndef MYGRAPHICSITEM_H
#define MYGRAPHICSITEM_H

#include <QObject>
#include <QPainter>
#include <QGraphicsItem>
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QPixmap>
#include <QPicture>
#include <QList>
#include <QtGui>
#include "machine/bmp/creatprintbmp.h"
#include "datafile/view/drawdata.h"

class MyGraphicsItem : public QObject, public QGraphicsItem
{
    Q_OBJECT
    Q_INTERFACES(QGraphicsItem) //通知要实现的类构成何种界面的宏

public:
    MyGraphicsItem();
    ~MyGraphicsItem();

    //绘图区域
    QRectF boundingRect() const;
    //绘制按钮图像的函数
    void paint(QPainter *painter,
               const QStyleOptionGraphicsItem *option,
               QWidget *widget = 0);

protected: //事件
    void mousePressEvent(QGraphicsSceneMouseEvent* event);
    void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
    void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);

private:
    CreatPictureStr m_pictureStr;
    QPixmap m_blockPixmap;
    QPoint m_point;
    QRectF m_boundingRect;//返回形状

public:
    CreatPictureStr getPictureByDat(Marker marker,int paperWidth,int butSpace,int rightSpace,int penWidth = 1);
    CreatPictureStr getPictureByBmp(QPixmap pixmap,int paperWidth,int butSpace,int rightSpace,int penWidth = 1);
    void setPicture(QPicture pic);
    void reflushBlockPos(QPoint p);//更显打印块位置

public slots:
};

#endif // MYGRAPHICSITEM_H