31 lines
482 B
C++
31 lines
482 B
C++
#ifndef IMAGEPREVIEWER_H
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#define IMAGEPREVIEWER_H
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#include <QWidget>
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/**
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* @brief 用于ImageLoader的图片预览器
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*/
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class ImagePreviewer : public QWidget
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{
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Q_OBJECT
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public:
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explicit ImagePreviewer(QWidget *parent = nullptr);
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void setImg(QImage img);
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void setMaxScaleMultiple(int m);
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protected:
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virtual void paintEvent(QPaintEvent* event) override;
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signals:
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private:
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QImage m_img;
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int m_maxScaleMultiple = 3;
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};
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#endif // IMAGEPREVIEWER_H
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