public static string GetStringFromSymbol(MySymbol symbol)
{
UInt16 symbalValue = (UInt16)symbol;
byte[] bytes = { (byte)((symbalValue & 0xFF00) >> 8), (byte)(symbalValue & 0x00FF) };
return(Encoding.Default.GetString(bytes));
}
/// <summary>
/// Viene generato all'avvio dell'indicatore, si inizializza l'indicatore
/// </summary>
protected override void Initialize()
{
// --> Stampo nei log la versione corrente
Print("{0} : {1}", NAME, VERSION);
// --> Alcuni controlli di base
MySymbol = MySymbol.Trim().ToUpper();
CanDraw = (RunningMode == RunningMode.RealTime || RunningMode == RunningMode.VisualBacktesting);
// --> L'utente ha inserito un cross valido ?
if (!Symbols.Exists(MySymbol))
{
if (CanDraw)
{
Chart.DrawStaticText("Error", NAME + " : PLEASE SET VALID CROSS LIKE 'EURUSD'", VerticalAlignment.Center, HorizontalAlignment.Center, Color.Red);
}
ItsOk = false;
}
}
private bool TryDetectText(Image image, out string resultText, out List <string> otherText)
{
resultText = null;
otherText = new List <string>();
// Create ImageAnnotatorClient
ImageAnnotatorClient client;
if (_googleCredentialFilePath != null)
{
var googleCredential = GoogleCredential.FromStream(System.IO.File.OpenRead(_googleCredentialFilePath));
var channel = new Grpc.Core.Channel(ImageAnnotatorClient.DefaultEndpoint.Host, googleCredential.ToChannelCredentials());
client = ImageAnnotatorClient.Create(channel);
}
else
{
client = ImageAnnotatorClient.Create();
}
//
var context = new ImageContext();
context.LanguageHints.Add("ja");
context.LanguageHints.Add("en");
// Detect text
var response = client.DetectDocumentText(image, context);
if (response == null || string.IsNullOrWhiteSpace(response.Text))
{
return(false);
}
resultText = response.Text.Trim();
// Remove spaces and Replace characters.
var lines = resultText.Split(new[] { "\r", "\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (var page in response.Pages)
{
foreach (var block in page.Blocks)
{
foreach (var paragraph in block.Paragraphs)
{
// Create MySymbol list
var list = new List <MySymbol>();
var symbols = paragraph.Words.SelectMany(w => w.Symbols).ToList();
for (var i = 0; i < symbols.Count - 1; i++)
{
var s = new MySymbol
{
Text = symbols[i].Text,
SpaceWidth = symbols[i + 1].BoundingBox.Vertices.Min(v => v.X)
- symbols[i].BoundingBox.Vertices.Max(v => v.X),
BreakType = symbols[i].Property?.DetectedBreak?.Type
};
list.Add(s);
}
list.Add(new MySymbol
{
Text = symbols.Last().Text
});
if (list.All(i => i.BreakType == null))
{
continue;
}
// Remove spaces
var median = list.Where(i => i.BreakType == TextAnnotation.Types.DetectedBreak.Types.BreakType.Space).Select(i => i.SpaceWidth)?.Median();
var builder = new StringBuilder();
foreach (var s in list)
{
builder.Append(s.Text);
if (median.HasValue &&
s.BreakType != null &&
s.SpaceWidth > median * 1.5)
{
builder.Append(" ");
}
Debug.WriteLine($"{s.Text}: {s.SpaceWidth}");
}
var text = builder.ToString().Trim();
Debug.WriteLine(text);
if (!lines.Contains(text))
{
otherText.Add(text);
}
// 1 -> l
if (text.Contains("1"))
{
var text2 = text.Replace("1", "l");
if (!lines.Contains(text2))
{
otherText.Add(text2);
}
}
}
}
}
return(true);
}
