iTextSharp.text.pdf.BaseField.BreakLines C# (CSharp) Метод

        protected static List<string> BreakLines(List<string> breaks, BaseFont font, float fontSize, float width)
        {
            List<string> lines = new List<string>();
            StringBuilder buf = new StringBuilder();
            for (int ck = 0; ck < breaks.Count; ++ck) {
                buf.Length = 0;
                float w = 0;
                char[] cs = breaks[ck].ToCharArray();
                int len = cs.Length;
                // 0 inline first, 1 inline, 2 spaces
                int state = 0;
                int lastspace = -1;
                char c = (char)0;
                int refk = 0;
                for (int k = 0; k < len; ++k) {
                    c = cs[k];
                    switch (state) {
                        case 0:
                            w += font.GetWidthPoint(c, fontSize);
                            buf.Append(c);
                            if (w > width) {
                                w = 0;
                                if (buf.Length > 1) {
                                    --k;
                                    buf.Length = buf.Length - 1;
                                }
                                lines.Add(buf.ToString());
                                buf.Length = 0;
                                refk = k;
                                if (c == ' ')
                                    state = 2;
                                else
                                    state = 1;
                            }
                            else {
                                if (c != ' ')
                                    state = 1;
                            }
                            break;
                        case 1:
                            w += font.GetWidthPoint(c, fontSize);
                            buf.Append(c);
                            if (c == ' ')
                                lastspace = k;
                            if (w > width) {
                                w = 0;
                                if (lastspace >= 0) {
                                    k = lastspace;
                                    buf.Length = lastspace - refk;
                                    TrimRight(buf);
                                    lines.Add(buf.ToString());
                                    buf.Length = 0;
                                    refk = k;
                                    lastspace = -1;
                                    state = 2;
                                }
                                else {
                                    if (buf.Length > 1) {
                                        --k;
                                        buf.Length = buf.Length - 1;
                                    }
                                    lines.Add(buf.ToString());
                                    buf.Length = 0;
                                    refk = k;
                                    if (c == ' ')
                                        state = 2;
                                }
                            }
                            break;
                        case 2:
                            if (c != ' ') {
                                w = 0;
                                --k;
                                state = 1;
                            }
                            break;
                    }
                }
                TrimRight(buf);
                lines.Add(buf.ToString());
            }
            return lines;
        }