ReservoirGeometry/bitmap.h

#ifndef BITMAP_H
#define BITMAP_H



//Qt
#include <QColor>
#include <QPainter>
#include <QPainterPath>
#include <QPaintEvent>
#include <QVector>
#include <QPainterPathStroker>
#include <QPen>
#include <QWidget>
#include <QPaintEngine>
#include <QPoint>
#include <QBitmap>
#include <QPixmap>
#include <QDebug>
#include <QIODevice>
#include <QDir>
#include <QCursor>
class Bitmap
{
public:
    Bitmap(const QPoint& topLeft,const QPoint& bottomRight,QString fileName=nullptr){
        _topLeft = topLeft;
        _bottomRight = bottomRight;
        _scaley = 1;
        _scalex = 1;

        // TODO 需要加入文件检测判断文件是否存在
        _pixmap = QPixmap(fileName);

    }

    Bitmap(){
        _scaley = 1;
        _scalex = 1;
        _pixmap = QPixmap();
    }

    void paint(QPixmap& w, QPaintEvent *event=nullptr){

        QPainter painter;
        painter.begin(&w);
        QPoint center = QPoint((_topLeft.x()+_bottomRight.x())/2/_scalex,(_topLeft.y()+_bottomRight.y())/2/_scaley);
        QPixmap p;
        center -= QPoint(_pixmap.width()/2,_pixmap.height()/2);
        painter.scale(_scalex,_scaley);
        painter.drawPixmap(center,_pixmap);
        painter.end();
    }

    QPoint topLeft() const
    {
        return _topLeft;
    }

    void setTopLeft(const QPoint &topLeft)
    {
        _topLeft = topLeft;
    }

    QPoint bottomRight() const
    {
        return _bottomRight;
    }

    void setBottomRight(const QPoint &bottomRight)
    {
        _bottomRight = bottomRight;
    }

    double scalex() const
    {
        return _scalex;
    }

    void setScalex(double scalex)
    {
        _scalex = scalex;
    }

    double scaley() const
    {
        return _scaley;
    }

    void setScaley(double scaley)
    {
        _scaley = scaley;
    }

    QPixmap getPixmap() const
    {
        return _pixmap;
    }

    void setPixmap(const QPixmap &value)
    {
        _pixmap = value;
    }
    void setPixmap(const QString& fileName)
    {
        _pixmap = QPixmap(fileName);;
    }

private:
    QPixmap _pixmap;
    QPoint _topLeft;
    QPoint _bottomRight;
    QColor _scaleColor;

    // 缩放
    double _scalex;
    double _scaley;
};

#endif // BITMAP_H