Python-сообщество

CvScalar getcolor(IplImage *img, int x, int y)
{
	// get the pointer to the image buffer
	unsigned char *data= reinterpret_cast<unsigned char*>(img->imageData);

	int pos = y * img->widthStep + x * img->nChannels;

	if(img->nChannels == 3)
		return cvScalar(data[pos], data[pos + 1], data[pos + 2]);
	else if(img->nChannels == 1)
		return cvScalar(data[pos], 0, 0);
}

def getcolor(img, x, y):
    data = img.imageData
    pos = y * img.widthStep + x * img.nChannels
    if img.nChannels == 3:
		return cvScalar(data[pos], data[pos + 1], data[pos + 2])
    elif img.nChannels == 1:
        return cvScalar(c_double(data[pos]))