iTextSharp.text.pdf.parser.ImageRenderInfo.GetRef C# (CSharp) Method

        public PdfIndirectReference GetRef()
        {
            return refi;
        }

        public virtual void RenderImage(ImageRenderInfo renderInfo) {
            IList<Rectangle> areasToBeCleaned = GetImageAreasToBeCleaned(renderInfo);

            if (areasToBeCleaned == null || newClippingPath.IsEmpty()) {
                chunks.Add(new PdfCleanUpContentChunk.Image(false, null));
            } else {
                PdfImageObject pdfImage = renderInfo.GetImage();
                byte[] imageBytes = ProcessImage(pdfImage.GetImageAsBytes(), areasToBeCleaned);

                if (renderInfo.GetRef() == null && pdfImage != null) { // true => inline image
                    PdfDictionary dict = pdfImage.GetDictionary();
                    PdfObject imageMask = dict.Get(PdfName.IMAGEMASK);
                    Image image = Image.GetInstance(imageBytes);

                    if (imageMask == null) {
                        imageMask = dict.Get(PdfName.IM);
                    }

                    if (imageMask != null && imageMask.Equals(PdfBoolean.PDFTRUE)) {
                        image.MakeMask();
                    }

                    PdfContentByte canvas = Context.Canvas;
                    canvas.AddImage(image, 1, 0, 0, 1, 0, 0, true);
                } else if (pdfImage != null && imageBytes != pdfImage.GetImageAsBytes()) {
                    chunks.Add(new PdfCleanUpContentChunk.Image(true, imageBytes));
                }
            }
        }