iTextSharp.text.pdf.PdfChunk.IsImage C# (CSharp) Метод

        internal bool IsImage()
        {
            return image != null;
        }

 private void AddToLine(PdfChunk chunk)
 {
     if (chunk.ChangeLeading)
     {
         float f;
         if (chunk.IsImage())
         {
             Image img = chunk.Image;
             f = chunk.ImageHeight + chunk.ImageOffsetY
                 + img.BorderWidthTop + img.SpacingBefore;
         }
         else
         {
             f = chunk.Leading;
         }
         if (f > height)
         {
             height = f;
         }
     }
     if (tabStop != null && tabStop.Align == TabStop.Alignment.ANCHOR && float.IsNaN(tabStopAnchorPosition))
     {
         String value       = chunk.ToString();
         int    anchorIndex = value.IndexOf(tabStop.AnchorChar);
         if (anchorIndex != -1)
         {
             float subWidth = chunk.Width(value.Substring(anchorIndex));
             tabStopAnchorPosition = originalWidth - width - subWidth;
         }
     }
     line.Add(chunk);
 }