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

        public float TrimLastSpace()
        {
            BaseFont ft = font.Font;
            if (ft.FontType == BaseFont.FONT_TYPE_CJK && ft.GetUnicodeEquivalent(' ') != ' ') {
                if (value.Length > 1 && value.EndsWith("\u0001")) {
                    value = value.Substring(0, value.Length - 1);
                    return font.Width('\u0001');
                }
            }
            else {
                if (value.Length > 1 && value.EndsWith(" ")) {
                    value = value.Substring(0, value.Length - 1);
                    return font.Width(' ');
                }
            }
            return 0;
        }

        // methods

        /**
         * Adds a <CODE>PdfChunk</CODE> to the <CODE>PdfLine</CODE>.
         *
         * @param        chunk        the <CODE>PdfChunk</CODE> to add
         * @return        <CODE>null</CODE> if the chunk could be added completely; if not
         *                a <CODE>PdfChunk</CODE> containing the part of the chunk that could
         *                not be added is returned
         */

        internal PdfChunk Add(PdfChunk chunk)
        {
            // nothing happens if the chunk is null.
            if (chunk == null || chunk.ToString().Equals(""))
            {
                return(null);
            }

            // we split the chunk to be added
            PdfChunk overflow = chunk.Split(width);

            newlineSplit = (chunk.IsNewlineSplit() || overflow == null);
            //        if (chunk.IsNewlineSplit() && alignment == Element.ALIGN_JUSTIFIED)
            //            alignment = Element.ALIGN_LEFT;


            // if the length of the chunk > 0 we add it to the line
            if (chunk.Length > 0)
            {
                if (overflow != null)
                {
                    chunk.TrimLastSpace();
                }
                width -= chunk.Width;
                line.Add(chunk);
            }

            // if the length == 0 and there were no other chunks added to the line yet,
            // we risk to end up in an endless loop trying endlessly to add the same chunk
            else if (line.Count < 1)
            {
                chunk    = overflow;
                overflow = chunk.Truncate(width);
                width   -= chunk.Width;
                if (chunk.Length > 0)
                {
                    line.Add(chunk);
                    return(overflow);
                }
                // if the chunck couldn't even be truncated, we add everything, so be it
                else
                {
                    if (overflow != null)
                    {
                        line.Add(overflow);
                    }
                    return(null);
                }
            }
            else
            {
                width += ((PdfChunk)(line[line.Count - 1])).TrimLastSpace();
            }
            return(overflow);
        }