74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
/*
|
||
*图像显示界面
|
||
*/
|
||
#ifndef IMAGEVIEW_H
|
||
#define IMAGEVIEW_H
|
||
|
||
#include <QGraphicsView>
|
||
|
||
class QGraphicsPixmapItem;
|
||
class QGestureEvent;
|
||
class QPinchGesture;
|
||
|
||
class ImageView : public QGraphicsView
|
||
{
|
||
Q_OBJECT
|
||
public:
|
||
ImageView(QWidget *parent = nullptr);
|
||
~ImageView();
|
||
//通过路径打开图片
|
||
void openImage(const QString &path);
|
||
|
||
//用于鼠标滚轮滑动
|
||
qreal windowRelativeScale() const;
|
||
qreal imageRelativeScale() const;
|
||
void scaleAtPoint(QPoint pos, qreal factor);
|
||
void setScaleValue(qreal v);
|
||
//自适应窗口
|
||
void autoFit();
|
||
//鼠标移动事件
|
||
void mouseReleaseEvent(QMouseEvent *e) override;
|
||
void mousePressEvent(QMouseEvent *e) override;
|
||
void mouseMoveEvent(QMouseEvent *e) override;
|
||
bool event(QEvent *event)override;
|
||
bool gestureEvent(QGestureEvent *event);
|
||
|
||
//返回当前图片img
|
||
const QImage image();
|
||
void openFilterImage(QImage img);
|
||
public slots:
|
||
//适应窗口大小
|
||
void fitWindow();
|
||
//适应图片大小
|
||
void fitImage();
|
||
//旋转图片，感觉index角度，-为左，+为右
|
||
void RotateImage(const int &index);
|
||
// //打开该图片
|
||
// void openImage(QImage *img);
|
||
|
||
//窗口大小改变事件
|
||
void resizeEvent(QResizeEvent *event) override;
|
||
//鼠标滚轮事件
|
||
void wheelEvent(QWheelEvent *event) override;
|
||
protected:
|
||
//二指捏合功能的触屏事件
|
||
void handleGestureEvent(QGestureEvent *gesture);
|
||
void pinchTriggered(QPinchGesture *gesture);
|
||
signals:
|
||
void scaled(qreal perc);
|
||
void showScaleLabel();
|
||
private:
|
||
QString m_currentPath;//当前图片路径
|
||
QGraphicsPixmapItem *m_pixmapItem{nullptr};//当前图像的item
|
||
bool m_isFitImage = false;//是否适应图片
|
||
bool m_isFitWindow = false;//是否适应窗口
|
||
qreal m_scal = 1.0;
|
||
int m_rotateAngel = 0; //旋转角度
|
||
QImage *m_currentImage{nullptr};//当前原始图像
|
||
QImage m_FilterImage{nullptr};//当前处理的图像
|
||
QImage m_lightContrastImage{nullptr};//亮度曝光度图像
|
||
|
||
};
|
||
|
||
#endif // IMAGEVIEW_H
|