53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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#pragma once
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#pragma execution_character_set("utf-8")
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#include <QGraphicsView>
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class QLabel;
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class QMouseEvent;
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class QGraphicsViews : public QGraphicsView
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{
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Q_OBJECT
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public:
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QGraphicsViews(QWidget* parent = nullptr);
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void SetToFit(qreal val);
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QGraphicsScene* scene;
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public slots:
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void DispImage(const QImage& Image); //显示图片
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protected:
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virtual void mousePressEvent(QMouseEvent* event) override;
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virtual void mouseReleaseEvent(QMouseEvent* event) override;
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virtual void mouseDoubleClickEvent(QMouseEvent* event) override;
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virtual void mouseMoveEvent(QMouseEvent* event) override;
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virtual void wheelEvent(QWheelEvent* event) override;
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virtual void resizeEvent(QResizeEvent* event) override;
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virtual void drawBackground(QPainter* painter, const QRectF& rect) override;
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virtual void paintEvent(QPaintEvent* event) override;
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virtual void contextMenuEvent(QContextMenuEvent* event) override; //右键菜单
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private:
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void OnZoomInImage();
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void OnZoomOutImage();
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void OnFitImage();
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void ZoomFrame(double value);
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void GetFit();
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QScrollBar* pHbar;
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QScrollBar* pVbar;
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double ZoomValue = 1;
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double ZoomFit = 1;
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double PixX = 0;
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double PixY = 0;
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QPixmap image;
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private:
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int MRSize = 8; //拖拽区域大小
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QColor color1 = QColor(30, 30, 30); //颜色1
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QColor color2 = QColor(50, 50, 50, 255); //颜色2
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QPixmap bgPix = QPixmap(36, 36); //背景图片
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void drawBg();
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};
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