69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
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/*
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*图像显示界面
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*/
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#ifndef IMAGEVIEW_H
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#define IMAGEVIEW_H
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#include <QGraphicsView>
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class QGraphicsPixmapItem;
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class ImageView : public QGraphicsView
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{
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Q_OBJECT
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public:
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ImageView(QWidget *parent = nullptr);
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//通过路径打开图片
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void openImage(const QString &path);
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//用于鼠标滚轮滑动
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qreal windowRelativeScale() const;
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qreal imageRelativeScale() const;
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void scaleAtPoint(QPoint pos, qreal factor);
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void setScaleValue(qreal v);
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//自适应窗口
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void autoFit();
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//鼠标移动事件
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void mouseMoveEvent(QMouseEvent *event) override;
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//返回当前图片img
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const QImage image();
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void openFilterImage(QImage img);
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public slots:
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//适应窗口大小
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void fitWindow();
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//适应图片大小
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void fitImage();
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//旋转图片，感觉index角度，-为左，+为右
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void RotateImage(const int &index);
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//保存图片
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void savecurrentPic();
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//另存为
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void savecurrentPicAs();
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//打开该图片
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void openImage(QImage *img);
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//窗口大小改变事件
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void resizeEvent(QResizeEvent *event) override;
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//鼠标滚轮事件
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void wheelEvent(QWheelEvent *event) override;
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protected:
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private:
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QString m_currentPath;//当前图片路径
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QGraphicsPixmapItem *m_pixmapItem{nullptr};//当前图像的item
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bool m_isFitImage = false;//是否适应图片
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bool m_isFitWindow = false;//是否适应窗口
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qreal m_scal = 1.0;
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int m_rotateAngel = 0; //旋转角度
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QImage *m_currentImage{nullptr};//当前原始图像
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QImage m_FilterImage{nullptr};//当前处理的图像
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QImage m_lightContrastImage{nullptr};//亮度曝光度图像
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};
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#endif // IMAGEVIEW_H
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