/// <summary>
/// Funciton to browse for an image. Text in images will be recognized by running a text analysis API call
/// </summary>
/// <param name="obj"></param>
private async void BrowseAndAnalyze(object obj)
{
var openDialog = new Microsoft.Win32.OpenFileDialog();
openDialog.Filter = "JPEG Image(*.jpg)|*.jpg";
bool?result = openDialog.ShowDialog();
if (!(bool)result)
{
return;
}
string filePath = openDialog.FileName;
Uri fileUri = new Uri(filePath);
BitmapImage image = new BitmapImage(fileUri);
image.CacheOption = BitmapCacheOption.None;
image.UriSource = fileUri;
ImageSource = image;
try
{
using (Stream fileStream = File.OpenRead(filePath))
{
OcrResults analysisResult = await _visionClient.RecognizeTextAsync(fileStream);
if (analysisResult != null)
{
OcrResult = PrintOcrResult(analysisResult);
}
}
}
catch (Exception ex)
{
Debug.WriteLine($"Failed to analyze image: {ex.Message}");
}
}
public async Task <string> RecognizeTextAsync(IRandomAccessStream stream, string language = "unk", bool detectOrientation = true)
{
var response = await _client.RecognizeTextAsync(stream.AsStreamForRead(), language, detectOrientation);
return(response.Regions.SelectMany(r => r.Lines).SelectMany(l => l.Words).Select(w => w.Text).StringJoin(" "));
}
public static string RecognizeText(string imageUrl)
{
var ocrData = visionClient.RecognizeTextAsync(imageUrl).GetAwaiter().GetResult();
return(JsonConvert.SerializeObject(ocrData));
}
