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A little more work on OCR/italic-space

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This commit is contained in:
Nikolaj Olsson 2020-05-18 00:04:11 +02:00
parent a4310aec3d
commit ceb65be83b
1 changed files with 14 additions and 5 deletions
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19
src/Forms/Ocr/VobSubOcr.cs
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@ -4184,7 +4184,7 @@ namespace Nikse.SubtitleEdit.Forms.Ocr
// smaller space pixels for italic
if (wordsNotFound > 0 && line.Contains("<i>", StringComparison.Ordinal))
{
AddItalicCouldBeSpace(matches, parentBitmap, _unItalicFactor);
AddItalicCouldBeSpace(matches, parentBitmap, _unItalicFactor, _numericUpDownPixelsIsSpace);
}
if (wordsNotFound > 0 && line.Contains("<i>", StringComparison.Ordinal) && matches.Any(p => p?.ImageSplitterItem?.CouldBeSpaceBefore == true))
{
@ -4272,28 +4272,37 @@ namespace Nikse.SubtitleEdit.Forms.Ocr
return line;
}
private void AddItalicCouldBeSpace(List<CompareMatch> matches, NikseBitmap parentBitmap, double unItalicFactor)
private static void AddItalicCouldBeSpace(List<CompareMatch> matches, NikseBitmap parentBitmap, double unItalicFactor, int pixelsIsSpace)
{
foreach (var match in matches)
{
if (match.ImageSplitterItem != null)
{
match.ImageSplitterItem.CouldBeSpaceBefore = false;
}
}
for (int i = 0; i < matches.Count - 1; i++)
{
var match = matches[i];
var matchNext = matches[i + 1];
if (!match.Italic || !matchNext.Italic || match.Text == "," ||
string.IsNullOrWhiteSpace(match.Text) || string.IsNullOrWhiteSpace(matchNext.Text) ||
match.ImageSplitterItem == null || match.ImageSplitterItem.CouldBeSpaceBefore)
match.ImageSplitterItem == null)
{
continue;
}
int blankVerticalLines = IsVerticalAngledLineTransparent(parentBitmap, match, matchNext, unItalicFactor);
if (blankVerticalLines >= _numericUpDownPixelsIsSpace)
if (blankVerticalLines >= pixelsIsSpace)
{
matchNext.ImageSplitterItem.CouldBeSpaceBefore = true;
}
}
}
private int IsVerticalAngledLineTransparent(NikseBitmap parentBitmap, CompareMatch match, CompareMatch next, double unItalicFactor)
private static int IsVerticalAngledLineTransparent(NikseBitmap parentBitmap, CompareMatch match, CompareMatch next, double unItalicFactor)
{
int blanks = 0;
var min = match.ImageSplitterItem.X + match.ImageSplitterItem.NikseBitmap.Width;