var api = OcrApi.Create();

api.Init();
api.PageSegmentationMode = Patagames.Ocr.Enums.PageSegMode.PSM_AUTO_OSD;
api.SetImage(bmp);
api.Recognize();

var iterator = api.AnalyseLayout();
var orientation = iterator.Orientations;
switch(iterator.Orientations)
{
	case Patagames.Ocr.Enums.Orientation.ORIENTATION_PAGE_DOWN:
		//the image is rotated to 180 
		break;
	case Patagames.Ocr.Enums.Orientation.ORIENTATION_PAGE_LEFT:
		//the image is rotated to 270 clockwise
		break;
	case Patagames.Ocr.Enums.Orientation.ORIENTATION_PAGE_RIGHT:
		//the image is rotated to 90 clockwise
		break;
	case Patagames.Ocr.Enums.Orientation.ORIENTATION_PAGE_UP:
		//the image is rotated to 0
		break;
}