/// <summary>
/// Perform OCR and get text from the given image
/// </summary>
/// <param name="image">Text from the image</param>
public void GetTextFromImage(Bitmap image)
{
try
{
// Turn image into Page (needed for OCR)
TempImageStorage storage = new TempImageStorage();
storage.AddImage(image);
var images = storage.GetImages();
var path = FileChooserUtils.GetPath(activity, images[0]);
var imageFile = new Java.IO.File(path);
var pages = new List <Page>();
var page = pageFactory.BuildPage(imageFile);
pages.Add(page);
// Result of the whole recognition
var fullOcrResult = textRecognition.WithoutPDF(ocrLanguages, pages).Recognize();
// Call the event in the case of success
if (OnOCRComplete != null)
{
// Save the recognized text in the event argument
activity.RunOnUiThread(() => OnOCRComplete(this, new OCRText(fullOcrResult.RecognizedText)));
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Error performing OCR" + e.Message);
}
}
public static string[] GetSelectedImagesAsFilePaths(List <Uri> selectedImages, Activity activity)
{
var result = new List <string>();
foreach (var androidUri in selectedImages)
{
result.Add(FileChooserUtils.GetPath(activity, androidUri));
}
return(result.ToArray());
}
public static Bitmap LoadImage(Uri imageUri, Activity activity)
{
return(LoadImage(FileChooserUtils.GetPath(activity, imageUri)));
}
