35 lines
727 B
C++
35 lines
727 B
C++
#pragma once
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#include <QWidget>
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#include <QLabel>
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#include <QGraphicsView>
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#include <QPixmap>
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#include <QPainter>
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#include <opencv2/opencv.hpp>
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class CvImageViewWidget :public QLabel
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{
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Q_OBJECT
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public:
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CvImageViewWidget(QWidget* parent = Q_NULLPTR);
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virtual ~CvImageViewWidget() {}
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public:
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void showImage(cv::Mat const& _himg);
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static void CvImageToQPixmap(cv::Mat const& _img, QPixmap& tarImg);
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static bool QImage2CvImage(QImage& from, cv::Mat& to);
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static void QPixmapToCvRegion(QPixmap const& _pix, cv::Rect2d& tarImg);
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protected:
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void paintEvent(QPaintEvent* event) override;
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private:
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cv::Mat curImage;
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QPixmap* curPixmap;
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// 实例化画家对象，this指定的是绘图设备
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QPainter painter;
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};
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