VietOCR.NET.OCRImageEntity.Clone C# (CSharp) Метод

        private IList<Image> Clone(IList<Image> images)
        {
            IList<Image> clonedImages = new List<Image>();

            foreach (Image image in (index == -1 ? images : ((List<Image>)images).GetRange(index, 1)))
            {
                if (dpiX == 0 || dpiY == 0)
                {
                    if (rect == null || rect == Rectangle.Empty)
                    {
                        clonedImages.Add(image);
                    }
                    else
                    {
                        clonedImages.Add(ImageHelper.Crop(image, rect));
                        rect = Rectangle.Empty; // no rectangle is needed for processing a subimage
                    }
                }
                else
                {
                    // rescaling
                    if (rect == null || rect == Rectangle.Empty)
                    {
                        clonedImages.Add(ImageHelper.Rescale(image, dpiX, dpiY));
                    }
                    else
                    {
                        clonedImages.Add(ImageHelper.Rescale(ImageHelper.Crop(image, rect), dpiX, dpiY));
                        rect = Rectangle.Empty; // no rectangle is needed for processing a subimage
                    }
                }
            }

            return clonedImages;
        }