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#ifndef CAST_H
#define CAST_H
#include <opencv2/core.hpp>
#include <opencv2/imgproc.hpp>
#include <QtDebug>
#include <QTransform>
#include <QSize>
#include <QPoint>
#include <QRect>
#include <QImage>
using namespace cv;
inline QImage toQImage(const Mat &mat)
{
Mat *conv = new Mat;
switch (mat.channels()) {
case 3: cvtColor(mat, *conv, COLOR_RGB2RGBA); break;
case 1: cvtColor(mat, *conv, COLOR_GRAY2RGBA); break;
}
return QImage((const unsigned char *) conv->data, conv->cols, conv->rows, conv->step,
QImage::Format_RGB32, [](void * data) { ((Mat *) data)->release(); }, conv);
}
inline QTransform toQTransform(const Mat &m)
{
if (m.size() == Size(3, 3))
return QTransform( m.at<float>(0,0), m.at<float>(0,1), m.at<float>(0,2),
m.at<float>(1,0), m.at<float>(1,1), m.at<float>(1,2),
m.at<float>(2,0), m.at<float>(2,1), m.at<float>(2,2) );
else if (m.size() == Size(2, 3))
return QTransform( m.at<float>(0,0), m.at<float>(0,1),
m.at<float>(1,0), m.at<float>(1,1),
m.at<float>(0,2), m.at<float>(1,2) );
else if (m.size() == Size(2, 2))
return QTransform( m.at<float>(0,0), m.at<float>(0,1),
m.at<float>(1,0), m.at<float>(1,1), 0, 0 );
else
return QTransform();
}
inline QSize toQt(const Size2i &s) { return QSize (s.width, s.height); }
inline QSizeF toQt(const Size2f &s) { return QSizeF(s.width, s.height); }
inline QPoint toQt(const Point2i &p) { return QPoint (p.x, p.y); }
inline QPointF toQt(const Point2f &p) { return QPointF(p.x, p.y); }
inline QRect toQt(const Rect2i &r) { return QRect (r.x, r.y, r.width, r.height); }
inline QRectF toQt(const Rect2f &r) { return QRectF(r.x, r.y, r.width, r.height); }
inline Size2i toCv(const QSize &s) { return Size2i(s.width(), s.height()); }
inline Size2d toCv(const QSizeF &s) { return Size2d(s.width(), s.height()); }
inline Point2i toCv(const QPoint &p) { return Point2i(p.x(), p.y()); }
inline Point2d toCv(const QPointF &p) { return Point2d(p.x(), p.y()); }
inline Rect2i toCv(const QRect &r) { return Rect2i(r.x(), r.y(), r.width(), r.height()); }
inline Rect2d toCv(const QRectF &r) { return Rect2d(r.x(), r.y(), r.width(), r.height()); }
#endif // CAST_H