cvmatandqimage.h

/****************************************************************************
** Copyright (c) 2012 Debao Zhang <hello@debao.me>
** All right reserved.
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#ifndef CVMATANDQIMAGE_H
#define CVMATANDQIMAGE_H

#include <QImage>
#include <opencv2/core/core.hpp>

namespace cv {
class Mat;
}

namespace QtOcv {

enum MatChannelOrder
{
    MCO_BGR,
    MCO_RGB,
    MCO_RGBA = MCO_RGB,
    MCO_BGRA = MCO_BGR
};

//Standard convert, MatChannelOrder will be skipped if cv::Mat has only one channel
cv::Mat image2Mat(const QImage &img, int matType = CV_8UC(0), MatChannelOrder matRgbOrder = MCO_BGR);
QImage mat2Image(const cv::Mat &mat, QImage::Format format = QImage::Format_Invalid, MatChannelOrder matRgbOrder = MCO_BGR);

//Convert without data copy. MatChannelOrder should be R G B (3 channels) ,B G R A(4 channels in little endian system)
//or A R G B (4 channels in big endian system)
cv::Mat image2Mat_shared(const QImage &img);
QImage mat2Image_shared(const cv::Mat &mat);

} //namespace QtOcv

#endif // CVMATANDQIMAGE_H