private async Task _GetText(Bitmap cropped)
{
if (!TesseractApi.Initialized)
{
await TesseractApi.Init("eng");
}
TesseractApi.SetRectangle(new Tesseract.Rectangle((int)(cropped.Width * 0.24), 10, (int)(cropped.Width * 0.35), (int)(cropped.Height * 0.065)));
TesseractApi.SetWhitelist("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
if (await TesseractApi.SetImage(File.OpenRead(Path.ChangeExtension(ImagePath, "card"))))
{
string s = TesseractApi.Text;
if (Name == "" || Name == "NO TEXT DETECTED")
{
if (s != "")
{
if (s != "" && s[0].ToString() == s[0].ToString().ToLower())
{
s = s.Substring(1, s.Length - 1);
}
TextInfo textInfo = new CultureInfo("en-US", false).TextInfo;
s = textInfo.ToTitleCase(s.ToLower());
}
else
{
s = "NO TEXT DETECTED";
}
Name = s;
}
}
}
public async void Sample1JpgRectangle()
{
await _api.Init("eng");
using (var stream = LoadSample("sample1.jpg")) {
_api.SetRectangle(new Rectangle(0, 0, 900, 100));
var result = await _api.SetImage(stream);
Assert.IsTrue(result);
Assert.AreEqual("The quick brown fox\n\n", _api.Text);
var data = _api.Results(PageIteratorLevel.Block).ToList();
Assert.AreEqual(1, data.Count);
Assert.AreEqual("The quick brown fox\n\n", data [0].Text);
data = _api.Results(PageIteratorLevel.Paragraph).ToList();
Assert.AreEqual(1, data.Count);
Assert.AreEqual("The quick brown fox\n\n", data [0].Text);
}
}