BizHawk/BizHawk.Client.Common/movie/SubtitleList.cs

128 lines
2.9 KiB
C#

using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
namespace BizHawk.Client.Common
{
public class SubtitleList : List<Subtitle>
{
public bool ConcatMultilines { get; set; }
public bool AddColorTag { get; set; }
public SubtitleList()
{
ConcatMultilines = false;
AddColorTag = false;
}
public IEnumerable<Subtitle> GetSubtitles(int frame)
{
return this.Where(t => frame >= t.Frame && frame <= t.Frame + t.Duration);
}
public override string ToString()
{
var sb = new StringBuilder();
Sort();
ForEach(subtitle => sb.AppendLine(subtitle.ToString()));
return sb.ToString();
}
public bool AddFromString(string subtitleStr)
{
if (!string.IsNullOrWhiteSpace(subtitleStr))
{
try
{
var subParts = subtitleStr.Split(' ');
// Unfortunately I made the file format space delaminated so this hack is necessary to get the message
var message = "";
for (var i = 6; i < subParts.Length; i++)
{
message += subParts[i] + ' ';
}
Add(new Subtitle
{
Frame = int.Parse(subParts[1]),
X = int.Parse(subParts[2]),
Y = int.Parse(subParts[3]),
Duration = int.Parse(subParts[4]),
Color = uint.Parse(subParts[5], NumberStyles.HexNumber),
Message = message.Trim()
});
return true;
}
catch
{
return false;
}
}
return false;
}
public new void Sort()
{
Sort((x, y) =>
{
int result = x.Frame.CompareTo(y.Frame);
return result != 0 ? result : x.Y.CompareTo(y.Y);
});
}
public string ToSubRip(double fps)
{
int index = 1;
var sb = new StringBuilder();
List<Subtitle> subs = new List<Subtitle>();
foreach (var subtitle in this)
{
subs.Add(new Subtitle(subtitle));
}
// absence of line wrap forces multiline subtitle macros
// so we sort them just in case and optionally concat back to a single unit
// todo: instead of making this pretty, add the line wrap feature to subtitles
if (ConcatMultilines)
{
int lastFrame = 0;
subs = subs.OrderBy(s => s.Frame).ThenBy(s => s.Y).ToList();
for (int i = 0;; i++)
{
if (i == subs.Count) // we're modifying it
{
break;
}
subs[i].Message = subs[i].Message.Trim();
if (i > 0 && lastFrame == subs[i].Frame)
{
subs[i].Message = $"{subs[i - 1].Message} {subs[i].Message}";
subs.Remove(subs[i - 1]);
i--;
}
lastFrame = subs[i].Frame;
}
}
else
{
// srt stacks multilines upwards
subs = subs.OrderBy(s => s.Frame).ThenByDescending(s => s.Y).ToList();
}
foreach (var subtitle in subs)
{
sb.Append(subtitle.ToSubRip(index++, fps, AddColorTag));
}
return sb.ToString();
}
}
}