private void ParseTitle(string title, HOcrClass ocrclass)
{
if (title == null)
{
return;
}
string[] values = title.Split(';');
foreach (string s in values)
{
if (s.Contains("image ") || s.Contains("file "))
{
string filePath = s.Replace("image ", string.Empty).Replace("file ", string.Empty).Replace('"', ' ').Trim();
if (File.Exists(filePath))
{
if (ocrclass is HPage)
{
_currentPage.ImageFile = filePath;
}
}
else
{
filePath = _hOcrFilePath.Replace(Path.GetFileName(_hOcrFilePath), Path.GetFileName(filePath));
{
if (ocrclass is HPage)
{
_currentPage.ImageFile = filePath;
}
}
}
}
if (s.Contains("ppageno"))
{
if (int.TryParse(s.Replace("ppageno", ""), out int frame))
{
_currentPage.ImageFrameNumber = frame;
}
}
if (!s.Contains("bbox"))
{
continue;
}
string coords = s.Replace("bbox", "");
BBox box = new BBox(coords, _dpi);
ocrclass.BBox = box;
}
}
public static BBox ConvertBBoxToPoints(BBox bbox, float dpi)
{
if (dpi == 0)
{
throw new Exception("DPI is zero.");
}
BBox newBbox = new BBox(dpi)
{
Left = bbox.Left * 72 / dpi,
Top = bbox.Top * 72 / dpi,
Width = bbox.Width * 72 / dpi,
Height = bbox.Height * 72 / dpi,
Format = UnitFormat.Point
};
return(newBbox);
}
private void ParseCharactersForLine(string title)
{
if (title == null)
{
return;
}
title = title.Replace("x_bboxes", "");
string[] coords = title.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
string bbox = "";
string word = "";
HWord w = new HWord();
int charPos = 0;
for (int i = 0; i < coords.Length; i++)
{
if (i % 4 == 0 && i != 0)
{
HChar c = new HChar();
BBox b = new BBox(bbox, _dpi);
c.BBox = b;
char[] chars = _currentLine.Text.ToCharArray();
c.Text = chars[charPos].ToString();
if (c.Text != " ")
{
word += c.Text;
if (w.BBox == null)
{
w.BBox = new BBox(_dpi);
{
w.BBox.Height = c.BBox.Height;
w.BBox.Left = c.BBox.Left;
w.BBox.Top = _currentLine.BBox.Top;
}
}
}
else
{
if (w.Characters.Count > 0)
{
HChar previouschar = w.Characters.OrderBy(x => x.ListOrder).Last();
w.BBox.Width = previouschar.BBox.Left + previouschar.BBox.Width - w.BBox.Left;
w.Text = word + " ";
w.BBox.Height = w.Characters.Select(x => x.BBox.Height).Max();
w.CleanText();
w.CleanText();
if (w.Characters.Count > 0 && w.Text != null && w.Text.Trim() != "")
{
_currentLine.Words.Add(w);
}
w = new HWord();
word = string.Empty;
}
}
bbox = string.Empty;
if ((int)c.BBox.Left != -1)
{
c.ListOrder = charPos;
w.Characters.Add(c);
}
charPos += 1;
}
bbox += coords[i] + " ";
}
if (w.Characters.Count <= 0 || word.Trim() == string.Empty)
{
return;
}
w.Text = word;
w.CleanText();
_currentLine.Words.Add(w);
}
