mirror of
https://github.com/SubtitleEdit/subtitleedit.git
synced 2024-11-23 19:52:48 +01:00
562 lines
25 KiB
C#
562 lines
25 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Globalization;
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using System.Text;
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using Nikse.SubtitleEdit.Core.SubtitleFormats;
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namespace Nikse.SubtitleEdit.Core
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{
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public static class NetflixImsc11JapaneseToAss
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{
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private static string BoutenTagToUnicode(string tag)
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{
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switch (tag)
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{
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case "bouten-dot-before":
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case "bouten-dot-after":
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case "bouten-dot-outside":
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return "•";
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case "bouten-filled-circle-outside":
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return "●";
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case "bouten-open-circle-outside":
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return "○";
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case "bouten-open-dot-outside":
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return "◦";
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case "bouten-filled-sesame-outside":
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return "﹅";
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case "bouten-open-sesame-outside":
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return "﹆";
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case "bouten-auto-outside":
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case "bouten-auto":
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return "﹅";
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default:
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return " ";
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}
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}
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public static List<Paragraph> SplitToAssRenderLines(Paragraph p, int width, int height)
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{
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if (p.Text.StartsWith("{\\an7}", StringComparison.Ordinal) || p.Text.StartsWith("{\\an9}", StringComparison.Ordinal)) // vertical text
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{
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return MakeVerticalParagraphs(p, width);
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}
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return MakeHorizontalParagraphs(p, width, height);
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}
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private static List<Paragraph> MakeHorizontalParagraphs(Paragraph p, int width, int height)
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{
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var lines = p.Text.SplitToLines();
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var adjustment = 34;
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var startY = height - lines.Count * 2 * adjustment + 30;
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if (p.Text.StartsWith("{\\an8", StringComparison.Ordinal))
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{
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startY = 40;
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}
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var list = new List<Paragraph>();
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var furiganaList = new List<Paragraph>();
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var rubyOn = false;
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var italinOn = false;
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int startX;
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using (var g = Graphics.FromHwnd(IntPtr.Zero))
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{
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var actualText = NetflixImsc11Japanese.RemoveTags(HtmlUtil.RemoveHtmlTags(p.Text, true));
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var actualTextSize = g.MeasureString(actualText, new Font(SystemFonts.DefaultFont.FontFamily, 20));
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startX = (int)(width / 2.0 - actualTextSize.Width / 2.0);
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if (p.Text.StartsWith("{\\an5", StringComparison.Ordinal))
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{
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startY = (int)(height / 2.0 - actualTextSize.Height / 2.0);
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}
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}
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for (var index = 0; index < lines.Count; index++)
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{
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var line = lines[index];
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if (italinOn)
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{
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line = "<i>" + line;
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}
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var actual = new StringBuilder();
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int i = 0;
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while (i < line.Length)
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{
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if (line.Substring(i).StartsWith("{\\"))
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{
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var end = line.IndexOf('}', i);
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if (end < 0)
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{
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break;
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}
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i = end + 1;
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}
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else if (line.Substring(i).StartsWith("<i>", StringComparison.Ordinal) || line.Substring(i).StartsWith("<u>", StringComparison.Ordinal) || line.Substring(i).StartsWith("<b>", StringComparison.Ordinal))
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{
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actual.Append("{\\i1}");
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i += 3;
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italinOn = true;
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}
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else if (line.Substring(i).StartsWith("</i>", StringComparison.Ordinal) || line.Substring(i).StartsWith("</u>", StringComparison.Ordinal) || line.Substring(i).StartsWith("</b>", StringComparison.Ordinal))
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{
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actual.Append("{\\i0}");
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i += 4;
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italinOn = false;
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}
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else if (line.Substring(i).StartsWith("<bouten-", StringComparison.Ordinal))
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{
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var end = line.IndexOf('>', i);
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if (end < 0)
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{
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break;
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}
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if (end + 1 >= line.Length)
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{
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break;
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}
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var endTagStart = line.IndexOf("</", end, StringComparison.Ordinal);
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if (endTagStart < 0)
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{
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break;
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}
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var tag = line.Substring(i + 1, end - i - 1);
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var text = line.Substring(end + 1, endTagStart - end - 1);
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foreach (var ch in text)
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{
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var furiganaChar = BoutenTagToUnicode(tag);
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if (!string.IsNullOrWhiteSpace(furiganaChar))
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{
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furiganaList.Add(new Paragraph($"{{\\alpha&FF&}}{actual}{{\\alpha&0&}}{furiganaChar}", p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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}
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actual.Append(ch);
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}
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var endTagEnd = line.IndexOf('>', endTagStart);
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if (endTagEnd < 0)
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{
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break;
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}
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i = endTagEnd + 1;
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}
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else if (line.Substring(i).StartsWith("<ruby-container>", StringComparison.Ordinal))
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{
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var baseTextStart = line.IndexOf("<ruby-base>", i, StringComparison.Ordinal);
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var baseTextEnd = line.IndexOf("</ruby-base>", i, StringComparison.Ordinal);
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if (baseTextStart < 0 || baseTextEnd < 0)
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{
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baseTextStart = line.IndexOf("<ruby-base-italic>", i, StringComparison.Ordinal);
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baseTextEnd = line.IndexOf("</ruby-base-italic>", i, StringComparison.Ordinal);
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if (baseTextStart < 0 || baseTextEnd < 0)
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{
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break;
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}
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}
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baseTextStart += "<ruby-base>".Length;
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var baseText = line.Substring(baseTextStart, baseTextEnd - baseTextStart);
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var extraText = string.Empty;
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var extraTextStart = line.IndexOf("<ruby-text>", i, StringComparison.Ordinal);
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var extraTextEnd = line.IndexOf("</ruby-text>", i, StringComparison.Ordinal);
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if (extraTextStart >= 0 || extraTextEnd >= 0 && extraTextStart < extraTextEnd)
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{
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extraTextStart += "<ruby-text>".Length;
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extraText = line.Substring(extraTextStart, extraTextEnd - extraTextStart);
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}
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if (string.IsNullOrEmpty(extraText))
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{
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extraTextStart = line.IndexOf("<ruby-text-italic>", i, StringComparison.Ordinal);
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extraTextEnd = line.IndexOf("</ruby-text-italic>", i, StringComparison.Ordinal);
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if (extraTextStart >= 0 || extraTextEnd >= 0 && extraTextStart < extraTextEnd)
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{
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extraTextStart += "<ruby-text-italic>".Length;
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extraText = line.Substring(extraTextStart, extraTextEnd - extraTextStart);
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}
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}
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var extraTextAfter = string.Empty;
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var extraTextStartAfter = line.IndexOf("<ruby-text-after>", i, StringComparison.Ordinal);
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var extraTextEndAfter = line.IndexOf("</ruby-text-after>", i, StringComparison.Ordinal);
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if (extraTextStartAfter >= 0 || extraTextEndAfter >= 0 && extraTextStartAfter < extraTextEndAfter)
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{
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extraTextStartAfter += "<ruby-text-after>".Length;
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extraText = line.Substring(extraTextStartAfter, extraTextEndAfter - extraTextStartAfter);
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}
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var preFurigana = string.Empty;
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if (actual.Length > 0)
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{
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preFurigana = $"{{\\alpha&FF&}}{actual.ToString().TrimEnd()}{{\\alpha&0&}}";
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}
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if (!string.IsNullOrWhiteSpace(extraText))
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{
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furiganaList.Add(new Paragraph($"{preFurigana}{{\\fs20}}{extraText}", p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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}
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if (!string.IsNullOrWhiteSpace(extraTextAfter))
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{
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furiganaList.Add(new Paragraph($"{preFurigana}{{\\fs20}} {extraTextAfter}", p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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}
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actual.Append(baseText);
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var endTagEnd = line.IndexOf("</ruby-container>", i, StringComparison.Ordinal);
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if (endTagEnd < 0)
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{
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break;
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}
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i = endTagEnd + "</ruby-container>".Length;
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rubyOn = true;
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}
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else
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{
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actual.Append(line.Substring(i, 1));
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i++;
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}
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}
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var actualText = actual.ToString().TrimEnd();
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bool displayBefore = lines.Count == 2 && index == 0 || lines.Count == 1;
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if (displayBefore && furiganaList.Count > 0)
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{
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foreach (var fp in furiganaList)
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{
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var beforeText = "{\\an1}{\\pos(" + startX + "," + startY + ")}" + fp.Text;
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list.Add(new Paragraph(beforeText, p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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}
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startY += adjustment;
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if (rubyOn && index == 0 && lines.Count == 2)
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{
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startY += 3;
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}
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}
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actualText = "{\\an1}{\\pos(" + startX + "," + startY + ")}" + actualText;
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list.Add(new Paragraph(actualText, p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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startY += adjustment;
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if (!displayBefore && furiganaList.Count > 0)
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{
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if (rubyOn && index == 1 && lines.Count == 2)
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{
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startY = (int)(startY - adjustment * 0.4);
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}
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foreach (var fp in furiganaList)
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{
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var beforeText = "{\\an1}{\\pos(" + startX + "," + startY + ")}" + fp.Text;
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list.Add(new Paragraph(beforeText, p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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}
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startY += adjustment;
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}
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furiganaList.Clear();
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}
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return list;
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}
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private static List<Paragraph> MakeVerticalParagraphs(Paragraph p, int width)
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{
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var lines = p.Text.SplitToLines();
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var adjustment = 34;
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var startX = 9 + lines.Count * 2 * adjustment;
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var leftAlign = p.Text.StartsWith("{\\an7}", StringComparison.Ordinal);
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if (!leftAlign)
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{
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startX = width - 50;
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}
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string pre = p.Text.Substring(0, 5);
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var list = new List<Paragraph>();
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var furiganaList = new List<Paragraph>();
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var rubyOn = false;
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var italinOn = false;
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for (var index = 0; index < lines.Count; index++)
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{
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var line = lines[index];
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var actual = new StringBuilder();
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int i = 0;
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if (italinOn)
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{
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line = "<i>" + line;
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}
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while (i < line.Length)
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{
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if (line.Substring(i).StartsWith("{\\"))
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{
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var end = line.IndexOf('}', i);
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if (end < 0)
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{
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break;
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}
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i = end + 1;
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}
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else if (line.Substring(i).StartsWith("<i>", StringComparison.Ordinal) || line.Substring(i).StartsWith("<u>", StringComparison.Ordinal) || line.Substring(i).StartsWith("<b>", StringComparison.Ordinal))
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{
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actual.Append("{\\i1}");
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i += 3;
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italinOn = true;
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}
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else if (line.Substring(i).StartsWith("</i>", StringComparison.Ordinal) || line.Substring(i).StartsWith("</u>", StringComparison.Ordinal) || line.Substring(i).StartsWith("</b>", StringComparison.Ordinal))
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{
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actual.Append("{\\i0}");
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i += 4;
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italinOn = false;
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}
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else if (line.Substring(i).StartsWith("<horizontalDigit>", StringComparison.Ordinal))
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{
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var end = line.IndexOf('>', i);
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if (end < 0)
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{
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break;
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}
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var endTagStart = line.IndexOf("</", end, StringComparison.Ordinal);
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if (endTagStart < 0)
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{
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break;
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}
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var text = line.Substring(end + 1, endTagStart - end - 1);
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actual.Append(text);
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actual.AppendLine();
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i = endTagStart + "</horizontalDigit>".Length;
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}
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else if (line.Substring(i).StartsWith("</horizontalDigit>", StringComparison.Ordinal))
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{
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i += "</horizontalDigit>".Length;
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}
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else if (line.Substring(i).StartsWith("<bouten-", StringComparison.Ordinal))
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{
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var end = line.IndexOf('>', i);
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if (end < 0)
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{
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break;
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}
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if (end + 1 >= line.Length)
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{
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break;
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}
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var endTagStart = line.IndexOf("</", end, StringComparison.Ordinal);
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if (endTagStart < 0)
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{
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break;
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}
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var tag = line.Substring(i + 1, end - i - 1);
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var text = line.Substring(end + 1, endTagStart - end - 1);
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foreach (var ch in text)
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{
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var furiganaChar = BoutenTagToUnicode(tag);
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if (!string.IsNullOrWhiteSpace(furiganaChar))
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{
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var preFurigana = string.Empty;
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if (actual.Length > 0)
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{
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preFurigana = $"{{\\alpha&FF&}}{actual}{{\\alpha&0&}}";
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}
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furiganaList.Add(new Paragraph($"{preFurigana}{furiganaChar}", p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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}
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actual.Append(ch);
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actual.AppendLine();
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}
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var endTagEnd = line.IndexOf('>', endTagStart);
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if (endTagEnd < 0)
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{
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break;
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}
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i = endTagEnd + 1;
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}
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else if (line.Substring(i).StartsWith("<ruby-container>", StringComparison.Ordinal))
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{
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var baseTextStart = line.IndexOf("<ruby-base>", i, StringComparison.Ordinal);
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var baseTextEnd = line.IndexOf("</ruby-base>", i, StringComparison.Ordinal);
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if (baseTextStart < 0 || baseTextEnd < 0)
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{
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baseTextStart = line.IndexOf("<ruby-base-italic>", i, StringComparison.Ordinal);
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baseTextEnd = line.IndexOf("</ruby-base-italic>", i, StringComparison.Ordinal);
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if (baseTextStart < 0 || baseTextEnd < 0)
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{
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break;
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}
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}
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baseTextStart += "<ruby-base>".Length;
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var baseText = line.Substring(baseTextStart, baseTextEnd - baseTextStart);
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var extraText = string.Empty;
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var extraTextStart = line.IndexOf("<ruby-text>", i, StringComparison.Ordinal);
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var extraTextEnd = line.IndexOf("</ruby-text>", i, StringComparison.Ordinal);
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if (extraTextStart >= 0 || extraTextEnd >= 0 && extraTextStart < extraTextEnd)
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{
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extraTextStart += "<ruby-text>".Length;
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extraText = line.Substring(extraTextStart, extraTextEnd - extraTextStart);
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}
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if (string.IsNullOrEmpty(extraText))
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{
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extraTextStart = line.IndexOf("<ruby-text-italic>", i, StringComparison.Ordinal);
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extraTextEnd = line.IndexOf("</ruby-text-italic>", i, StringComparison.Ordinal);
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if (extraTextStart >= 0 || extraTextEnd >= 0 && extraTextStart < extraTextEnd)
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{
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extraTextStart += "<ruby-text-italic>".Length;
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extraText = line.Substring(extraTextStart, extraTextEnd - extraTextStart);
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}
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}
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var extraTextAfter = string.Empty;
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var extraTextStartAfter = line.IndexOf("<ruby-text-after>", i, StringComparison.Ordinal);
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var extraTextEndAfter = line.IndexOf("</ruby-text-after>", i, StringComparison.Ordinal);
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if (extraTextStartAfter >= 0 || extraTextEndAfter >= 0 && extraTextStartAfter < extraTextEndAfter)
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{
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extraTextStartAfter += "<ruby-text-after>".Length;
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extraText = line.Substring(extraTextStartAfter, extraTextEndAfter - extraTextStartAfter);
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}
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var preFurigana = string.Empty;
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if (actual.Length > 0)
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{
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preFurigana = $"{{\\alpha&FF&}}{actual.ToString().TrimEnd()}{{\\alpha&0&}}";
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}
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if (!string.IsNullOrWhiteSpace(extraText))
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{
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var sb = new StringBuilder();
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foreach (var ch in extraText)
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{
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sb.Append(ch);
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sb.AppendLine();
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}
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furiganaList.Add(new Paragraph($"{preFurigana}{{\\fs20}}{sb.ToString().TrimEnd()}", p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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}
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if (!string.IsNullOrWhiteSpace(extraTextAfter))
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{
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var sb = new StringBuilder();
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foreach (var ch in extraTextAfter)
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{
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sb.Append(ch);
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sb.AppendLine();
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}
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furiganaList.Add(new Paragraph($"{preFurigana}{{\\fs20}} {sb.ToString().TrimEnd()}", p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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}
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foreach (var ch in baseText)
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{
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actual.Append(ch);
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actual.AppendLine();
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}
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var endTagEnd = line.IndexOf("</ruby-container>", i, StringComparison.Ordinal);
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if (endTagEnd < 0)
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{
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break;
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}
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i = endTagEnd + "</ruby-container>".Length;
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rubyOn = true;
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}
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else
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{
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actual.AppendLine(line.Substring(i, 1));
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i++;
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}
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}
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bool displayBefore = lines.Count == 2 && index == 0 || lines.Count == 1;
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if (displayBefore && furiganaList.Count > 0)
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{
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foreach (var fp in furiganaList)
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{
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var text = pre + "\\pos(" + startX + ",45)}" + fp.Text.TrimEnd();
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list.Add(new Paragraph(text, p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
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}
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startX -= adjustment;
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if (rubyOn && index == 0 && lines.Count == 2)
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{
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if (leftAlign)
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{
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startX -= 8;
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}
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else
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{
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startX += 16;
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}
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}
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}
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var actualText = actual.ToString().TrimEnd();
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actualText = pre + "\\pos(" + startX + ",40)}" + actualText;
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// change horizontal chars to vertical version
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actualText = actualText
|
||
.Replace('…', '⋮')
|
||
.Replace('〈', '︿')
|
||
.Replace('〉', '﹀')
|
||
.Replace('—', '︱') // em dash
|
||
.Replace('⸺', '︱') // double em dash (could not find double em dash vertical)
|
||
.Replace('ー', '⏐') // prolonged sound mark
|
||
.Replace('（', '︵')
|
||
.Replace('）', '︶');
|
||
|
||
list.Add(new Paragraph(actualText, p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
|
||
startX -= adjustment;
|
||
|
||
if (!displayBefore && furiganaList.Count > 0)
|
||
{
|
||
if (rubyOn && index == 1 && lines.Count == 2)
|
||
{
|
||
if (leftAlign)
|
||
{
|
||
startX += 14;
|
||
}
|
||
else
|
||
{
|
||
startX -= 8;
|
||
}
|
||
}
|
||
foreach (var fp in furiganaList)
|
||
{
|
||
var text = pre + "\\pos(" + startX + ",45)}" + fp.Text.TrimEnd();
|
||
list.Add(new Paragraph(text, p.StartTime.TotalMilliseconds, p.EndTime.TotalMilliseconds));
|
||
}
|
||
startX -= adjustment;
|
||
}
|
||
}
|
||
|
||
return list;
|
||
}
|
||
|
||
public static string Convert(Subtitle subtitle, int width, int height)
|
||
{
|
||
var finalSub = new Subtitle();
|
||
foreach (var paragraph in subtitle.Paragraphs)
|
||
{
|
||
finalSub.Paragraphs.AddRange(SplitToAssRenderLines(paragraph, width, height));
|
||
}
|
||
|
||
var oldFontSize = Configuration.Settings.SubtitleSettings.SsaFontSize;
|
||
var oldFontBold = Configuration.Settings.SubtitleSettings.SsaFontBold;
|
||
Configuration.Settings.SubtitleSettings.SsaFontSize = 40; // font size
|
||
Configuration.Settings.SubtitleSettings.SsaFontBold = false;
|
||
finalSub.Header = AdvancedSubStationAlpha.DefaultHeader;
|
||
Configuration.Settings.SubtitleSettings.SsaFontSize = oldFontSize;
|
||
Configuration.Settings.SubtitleSettings.SsaFontBold = oldFontBold;
|
||
|
||
finalSub.Header = finalSub.Header.Replace("PlayDepth: 0", @"PlayDepth: 0
|
||
PlayResX: 1280
|
||
PlayResY: 720").Replace("1280", width.ToString(CultureInfo.InvariantCulture))
|
||
.Replace("720", height.ToString(CultureInfo.InvariantCulture));
|
||
|
||
return finalSub.ToText(new AdvancedSubStationAlpha());
|
||
}
|
||
}
|
||
}
|