public static AutoEntryScanResult FromRawText(string raceId, string raceName, string rawText)
{
var result = new AutoEntryScanResult
{
RaceId = raceId,
RaceName = raceName
};
var lines = rawText.Split(new [] { '\n', '\r' });
foreach (var line in lines)
{
if (line.ToLower().Contains("competitor"))
{
result.Competitor = line.Substring(line.IndexOf(':') + 1).Trim();
}
else if (line.ToLower().Contains("sail number"))
{
result.SailNumber = line.Substring(line.IndexOf(':') + 1).Trim();
}
else if (line.Contains("(") &&
line.Contains(")") &&
line.Contains(","))
{
int i1 = line.IndexOf('(');
int i2 = line.IndexOf(',');
int i3 = line.IndexOf(')');
if (i1 < i2 && i2 < i3)
{
var latitudeString = line.Substring(i1 + 1, i2 - i1 - 1);
var longitudeString = line.Substring(i2 + 1, i3 - i2 - 1);
if (decimal.TryParse(latitudeString, out decimal latitude) &&
decimal.TryParse(longitudeString, out decimal longitude))
{
result.Latitude = latitude;
result.Longitude = longitude;
}
}
}
}
return(result);
}
private List <AutoEntryScanResult> AnalyzeRace(string raceId, string raceName, string raceDir)
{
// So we're sure that decimal points are understood properly.
Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture;
// Go through the files.
using var tess = new TesseractWrapper();
var resultList = new List <AutoEntryScanResult>();
foreach (var file in Directory.GetFiles(raceDir))
{
if (!file.ToLower().EndsWith("png"))
{
continue;
}
string txtPath = file.Replace(".png", ".txt");
string rawText;
if (File.Exists(txtPath))
{
// Use the existing raw text file (caching mechanism).
rawText = File.ReadAllText(txtPath);
}
else
{
// Get raw text from image.
rawText = tess.GetTextFromImage(file);
File.WriteAllText(txtPath, rawText);
}
// Create result from raw text.
resultList.Add(AutoEntryScanResult.FromRawText(raceId, raceName, rawText));
}
// Return result.
return(resultList);
}
