private IEnumerable<string> GetText(LogicalRectangle leadRect, BarcodeReadOptions[] coreReadOptions, ImageSource image, BarcodeImageType imageType)
{
var engine = new BarcodeEngine();
engine.Reader.ImageType = imageType;
var barcodeDatas = engine.Reader.ReadBarcodes(image.ToRasterImage(), leadRect, 10, BarcodeSymbologies.ToArray(), coreReadOptions);
var textForStrategy = barcodeDatas
.Select(data => data.Value)
.DefaultIfEmpty();
return textForStrategy;
}
public IEnumerable<RecognitionResult> Recognize(BitmapSource bitmap, ZoneConfiguration config)
{
var coreReadOptions = CoreReadOptions;
var leadRect = new LogicalRectangle(0, 0, bitmap.PixelWidth, bitmap.PixelHeight, LogicalUnit.Pixel);
var unitsOfWork = from strategy in BarcodeStrategies
let filteredImage = Freeze(strategy.BitmapFilter.Apply(bitmap))
select new { ImageType = strategy.ImageType, FilteredImage = filteredImage };
var selectMany = unitsOfWork.SelectMany(u => GetText(leadRect, coreReadOptions, u.FilteredImage, u.ImageType));
return selectMany.Select(s => new RecognitionResult(s, 1));
}
