roi.h

#pragma once
 
#include <QtGlobal>
#include <QString>
#include <QRectF>
#include <QPoint>
#include <opencv2/core.hpp>
#include <opencv2/imgproc.hpp>
 
#include "resolution.h"
 
class ROI{
private:
    QRectF m_roi;
 
public:
    ROI() : m_roi(0.0,0.0,1.0,1.0) {}
 
    ROI(const QRectF &roi) : m_roi(roi) {}
 
    ROI(const cv::Rect2f &roi) : m_roi(roi.x,roi.y,roi.width,roi.height) {}
 
    ROI(const QRect &roi, const Resolution &resolution);
    ROI(const cv::Rect &roi, const Resolution &resolution);
 
    bool isDefault() const { return m_roi == QRectF(0.0,0.0,1.0,1.0); }
 
    cv::Rect2f toCvRect() const { return cv::Rect2f(m_roi.left(), m_roi.top(), m_roi.width(), m_roi.height()); }
    QRectF toQRectF() const { return QRectF(m_roi.left(), m_roi.top(), m_roi.width(), m_roi.height()); }
 
    QRect cropAsQRect(const Resolution& resolution) const { return QRect(m_roi.left() * resolution.getWidth(), m_roi.top() * resolution.getHeight(), m_roi.width() * resolution.getWidth(), m_roi.height() * resolution.getHeight()); }
 
    cv::Rect cropAsCvRect(const Resolution& resolution) const { return cv::Rect(m_roi.left() * resolution.getWidth(), m_roi.top() * resolution.getHeight(), m_roi.width() * resolution.getWidth(), m_roi.height() * resolution.getHeight()); }
 
    void crop(const cv::Mat &src, cv::Mat &dest) const { dest = src(cropAsCvRect(Resolution(src))); }
 
    void crop(cv::Mat &img) const { crop(img,img); }
};