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Added some VTT alignment - thx Plazik :)

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See #2296
This commit is contained in:
Nikolaj Olsson 2017-04-14 09:26:40 +02:00
parent 9fe5c4f24d
commit 1d2fbf27bc
1 changed files with 164 additions and 5 deletions
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169
libse/SubtitleFormats/WebVTT.cs
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@ -39,8 +39,8 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
public override string ToText(Subtitle subtitle, string title)
{
const string timeCodeFormatHours = "{0:00}:{1:00}:{2:00}.{3:000}"; // hh:mm:ss.cc
const string paragraphWriteFormat = "{0} --> {1}{4}{2}{3}{4}";
const string timeCodeFormatHours = "{0:00}:{1:00}:{2:00}.{3:000}"; // hh:mm:ss.mmm
const string paragraphWriteFormat = "{0}--> {1}{2}{5}{3}{4}{5}";
var sb = new StringBuilder();
sb.AppendLine("WEBVTT");
@ -49,18 +49,54 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{
string start = string.Format(timeCodeFormatHours, p.StartTime.Hours, p.StartTime.Minutes, p.StartTime.Seconds, p.StartTime.Milliseconds);
string end = string.Format(timeCodeFormatHours, p.EndTime.Hours, p.EndTime.Minutes, p.EndTime.Seconds, p.EndTime.Milliseconds);
string positionInfo = string.Empty;
if (p.Text.StartsWith("{\\a", StringComparison.Ordinal))
{
string position = null; // horizontal
if (p.Text.StartsWith("{\\an1}", StringComparison.Ordinal) || p.Text.StartsWith("{\\an4}", StringComparison.Ordinal) || p.Text.StartsWith("{\\an7}", StringComparison.Ordinal)) // advanced sub station alpha
{
position = "20%"; //left
}
else if (p.Text.StartsWith("{\\an3}", StringComparison.Ordinal) || p.Text.StartsWith("{\\an6}", StringComparison.Ordinal) || p.Text.StartsWith("{\\an9}", StringComparison.Ordinal)) // advanced sub station alpha
{
position = "80%"; //right
}
string line = null;
if (p.Text.StartsWith("{\\an7}", StringComparison.Ordinal) || p.Text.StartsWith("{\\an8}", StringComparison.Ordinal) || p.Text.StartsWith("{\\an9}", StringComparison.Ordinal)) // advanced sub station alpha
{
line = "20%"; //top
}
else if (p.Text.StartsWith("{\\an4}", StringComparison.Ordinal) || p.Text.StartsWith("{\\an5}", StringComparison.Ordinal) || p.Text.StartsWith("{\\an6}", StringComparison.Ordinal)) // advanced sub station alpha
{
line = "50%"; //middle
}
if (!string.IsNullOrEmpty(position))
{
positionInfo = " position:" + position;
}
if (!string.IsNullOrEmpty(line))
{
if (positionInfo == null)
positionInfo = " line:" + line;
else
positionInfo = positionInfo += " line:" + line;
}
}
string style = string.Empty;
if (!string.IsNullOrEmpty(p.Extra) && subtitle.Header == "WEBVTT")
style = p.Extra;
sb.AppendLine(string.Format(paragraphWriteFormat, start, end, FormatText(p), style, Environment.NewLine));
sb.AppendLine(string.Format(paragraphWriteFormat, start, end, positionInfo, FormatText(p), style, Environment.NewLine));
}
return sb.ToString().Trim();
}
private static string FormatText(Paragraph p)
{
string text = p.Text;
string text = Utilities.RemoveSsaTags(p.Text);
while (text.Contains(Environment.NewLine + Environment.NewLine))
text = text.Replace(Environment.NewLine + Environment.NewLine, Environment.NewLine);
return text;
@ -71,6 +107,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
_errorCount = 0;
Paragraph p = null;
bool textDone = true;
string positionInfo = string.Empty;
foreach (string line in lines)
{
string s = line;
@ -98,6 +135,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
p = new Paragraph();
p.StartTime = GetTimeCodeFromString(parts[0]);
p.EndTime = GetTimeCodeFromString(parts[1]);
positionInfo = GetPositionInfo(s);
}
catch (Exception exception)
{
@ -112,9 +150,10 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
}
else if (p != null && !string.IsNullOrWhiteSpace(line))
{
string text = line.Trim();
string text = positionInfo + line.Trim();
if (!textDone)
p.Text = (p.Text + Environment.NewLine + text).Trim();
positionInfo = string.Empty;
}
else if (line.Length == 0)
{
@ -126,6 +165,126 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
subtitle.Renumber();
}
private string GetPositionInfo(string s)
{
//position: x --- 0% = left, 100%=right (horizontal)
//line: x --- 0 or -16 or 0%=top, 16 or -1 or 100% = bottom (vertical)
var pos = GetTag(s, "position:");
var line = GetTag(s, "line:");
var positionInfo = string.Empty;
bool hAlignLeft = false;
bool hAlignRight = false;
bool vAlignTop = false;
bool vAlignMiddle = false;
if (!string.IsNullOrEmpty(pos) && pos.EndsWith('%'))
{
double number;
if (double.TryParse(pos.TrimEnd('%'), out number))
{
if (number < 25)
{
hAlignLeft = true;
}
else if (number > 75)
{
hAlignRight = true;
}
}
}
if (!string.IsNullOrEmpty(line) && line.EndsWith('%'))
{
if (line.EndsWith('%'))
{
double number;
if (double.TryParse(line.TrimEnd('%'), out number))
{
if (number < 25)
{
vAlignTop = true;
}
else if (number < 75)
{
vAlignMiddle = true;
}
}
}
else
{
double number;
if (double.TryParse(line.TrimEnd('%'), out number))
{
if (number < 7)
{
vAlignTop = true;
}
else if (number < 11)
{
vAlignMiddle = true;
}
}
}
}
if (hAlignLeft)
{
if (vAlignTop)
{
return "{\\an7}";
}
if (vAlignMiddle)
{
return "{\\an4}";
}
return "{\\an1}";
}
else if (hAlignRight)
{
if (vAlignTop)
{
return "{\\an9}";
}
if (vAlignMiddle)
{
return "{\\an6}";
}
return "{\\an3}";
}
else if (vAlignTop)
{
return "{\\an8}";
}
else if (vAlignMiddle)
{
return "{\\an5}";
}
return positionInfo;
}
private string GetTag(string s, string tag)
{
var pos = s.IndexOf(tag, StringComparison.Ordinal);
if (pos >= 0)
{
var v = s.Substring(pos + tag.Length).Trim();
var end = v.IndexOf("%,", StringComparison.Ordinal);
if (end >= 0)
{
v = v.Remove(end + 1);
}
end = v.IndexOf(' ');
if (end >= 0)
{
v = v.Remove(end);
}
return v;
}
return null;
}
public override void RemoveNativeFormatting(Subtitle subtitle, SubtitleFormat newFormat)
{
foreach (Paragraph p in subtitle.Paragraphs)