SubtitleEdit/libse/SubtitleFormats/Rtf1.cs
2017-11-26 17:35:00 +01:00

113 lines
4.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
public class Rtf1 : SubtitleFormat
{
// 0001 00:00:30:10 00:00:33:11 27 (same as 86, but with "reading speed")
private static readonly Regex RegexTimeCode1 = new Regex(@"\d+ \d\d:\d\d:\d\d:\d\d \d\d:\d\d:\d\d:\d\d \d+", RegexOptions.Compiled);
public override string Extension => ".rtf";
public override string Name => "RTF 1";
private static string MakeTimeCode(TimeCode tc)
{
return $"{tc.Hours:00}:{tc.Minutes:00}:{tc.Seconds:00}:{MillisecondsToFramesMaxFrameRate(tc.Milliseconds):00}";
}
public override string ToText(Subtitle subtitle, string title)
{
var sb = new StringBuilder();
sb.AppendLine(@"{\rtf1\ansi\ansicpg1252\deff0\deflang1039{\fonttbl{\f0\fnil Arial;}}
{\colortbl ;\red0\green0\blue0;}
\viewkind4\uc1\pard\b\f0\fs24 [Header]\par
Max Characters Per Line: 36\par
Frame Rate: " + Configuration.Settings.General.CurrentFrameRate + @" fps\par
TimeCode Format: " + Configuration.Settings.General.CurrentFrameRate + @" frames/sec\par
[/Header]\par
\par
\par");
sb.AppendLine();
int count = 1;
foreach (Paragraph p in subtitle.Paragraphs)
{
string text = HtmlUtil.RemoveHtmlTags(p.Text);
var readingSpeed = CalculateReadingSpeed(text);
sb.AppendLine($"\\pard {count:0000} {MakeTimeCode(p.StartTime)} {MakeTimeCode(p.EndTime)} 27 \\par"); // \pard 0001 00:00:30:10 00:00:33:11 27\par
sb.AppendLine("\\par");
sb.AppendLine($"\\pard\\qc\\cf1\\outl {text.ToRtfPart()}\\par");
sb.AppendLine("\\cf0\\outl0\\par");
count++;
}
sb.AppendLine("}");
return sb.ToString();
}
private object CalculateReadingSpeed(string text)
{
return 0; // Don't know how this is calculated
}
public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)
{
_errorCount = 0;
var sb = new StringBuilder();
foreach (string line in lines)
sb.AppendLine(line);
string rtf = sb.ToString().Trim();
if (!rtf.StartsWith("{\\rtf", StringComparison.Ordinal))
return;
lines = rtf.FromRtf().SplitToLines();
_errorCount = 0;
Paragraph p = null;
char[] splitChars = { ':', ';', ',' };
foreach (string line in lines)
{
string s = line.TrimEnd();
if (RegexTimeCode1.IsMatch(s))
{
try
{
if (p != null)
subtitle.Paragraphs.Add(p);
string[] arr = s.Split(' ');
p = new Paragraph(DecodeTimeCodeFrames(arr[1], splitChars), DecodeTimeCodeFrames(arr[2], splitChars), string.Empty);
}
catch
{
_errorCount++;
p = null;
}
}
else if (s.Length > 0 && p != null)
{
p.Text = (p.Text + Environment.NewLine + s.TrimStart()).Trim();
}
else if (s.Length > 0)
{
_errorCount++;
}
}
if (p != null)
subtitle.Paragraphs.Add(p);
if (subtitle.Paragraphs.Count > 0)
{
p = subtitle.Paragraphs[subtitle.Paragraphs.Count - 1];
p.EndTime.TotalMilliseconds = p.StartTime.TotalMilliseconds + Utilities.GetOptimalDisplayMilliseconds(p.Text);
}
subtitle.RemoveEmptyLines();
subtitle.Renumber();
}
}
}