Qt QImage 转 Opencv IplImage （互转）

QImage   ----->> IplImage

 

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QImage *IplImageToQImage(const IplImage *img)  
{  
    QImage *image;  
    cvCvtColor(img,img,CV_BGR2RGB);  
    uchar *imgData=(uchar *)img->imageData;  
    image=new QImage(imgData,img->width,img->height,QImage::Format_RGB888);  
    return image;  
}  
   

 

IplImage  ------->>QImage

 

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IplImage *QImageToIplImage(const QImage * qImage)  
{  
    int width = qImage->width();  
    int height = qImage->height();  
    CvSize Size;  
    Size.height = height;  
    Size.width = width;  
    IplImage *IplImageBuffer = cvCreateImage(Size, IPL_DEPTH_8U, 3);  
    for (int y = 0; y < height; ++y)  
    {  
        for (int x = 0; x < width; ++x)  
        {  
            QRgb rgb = qImage->pixel(x, y);  
            cvSet2D(IplImageBuffer, y, x, CV_RGB(qRed(rgb), qGreen(rgb), qBlue(rgb)));  
        }  
    }  
    return IplImageBuffer;  
}