private static DecodeResult ProcessDecode(Image <Rgba32> image)
{
var decodeResult = new DecodeResult();
var source = new ImageSharpLuminanceSource <Rgba32>(image);
var reader = new BarcodeReader(null, null, ls => new GlobalHistogramBinarizer(ls))
{
AutoRotate = true,
TryInverted = true,
Options = new DecodingOptions
{
TryHarder = true,
PossibleFormats = new List <BarcodeFormat>
{
BarcodeFormat.ITF
//BarcodeFormat.EAN_8,
//BarcodeFormat.CODE_39,
//BarcodeFormat.UPC_A
}
}
};
var result = reader.Decode(source);
if (result != null)
{
decodeResult.ItemFound = true;
decodeResult.BarcodeType = result.BarcodeFormat.ToString();
decodeResult.BarcodeValue = result.Text;
}
return(decodeResult);
}
public void Luminance_Is_Within_Margin_Of_Error(string fileName)
{
byte[] controlLuminanceSourceMatrix;
using (var control = LoadBitmapImage(fileName))
{
var bitmapLuminanceSource = new BitmapLuminanceSource(control);
controlLuminanceSourceMatrix = bitmapLuminanceSource.Matrix;
}
byte[] testLuminanceSourceMatrix;
using (var bitmap = LoadImageSharpBitmap(fileName))
{
var imagesharpBitmapLuminanceSource = new ImageSharpLuminanceSource <SelectedPixelFormat>(bitmap);
testLuminanceSourceMatrix = imagesharpBitmapLuminanceSource.Matrix;
}
Assert.AreEqual(controlLuminanceSourceMatrix.Length, testLuminanceSourceMatrix.Length);
for (int index = 0; index < controlLuminanceSourceMatrix.Length; index++)
{
var controlColor = controlLuminanceSourceMatrix[index];
var testColor = testLuminanceSourceMatrix[index];
Assert.That(testColor, Is.EqualTo(controlColor).Within(3));
}
}
public void Should_Calculate_Luminance_And_Decode(string fileName, string content)
{
using (var bitmap = LoadImageSharpBitmap(fileName))
{
var luminance = new ImageSharpLuminanceSource <SelectedPixelFormat>(bitmap);
var reader = new BarcodeReader <SelectedPixelFormat>();
var result = reader.Decode(luminance);
Assert.That(result?.Text, Is.EqualTo(content));
}
}
protected ZXing.Result Decode(Image <Rgba32> bitmap)
{
//PM> Install-Package ZXing.Net.Bindings.ImageSharp
var source = new ImageSharpLuminanceSource <Rgba32>(bitmap);
//PM> Install-Package ZXing.Net
var reader = new BarcodeReader(null, null, ls => new GlobalHistogramBinarizer(ls))
{
AutoRotate = true,
TryInverted = true,
Options = new DecodingOptions
{
TryHarder = true,
}
};
var result = reader.Decode(source);
return(result);
}
/// <summary>
/// uses the IBarcodeReaderGeneric implementation and the <see cref="ImageSharpLuminanceSource{TPixel}"/> class for decoding
/// </summary>
/// <param name="reader"></param>
/// <param name="image"></param>
/// <returns></returns>
public static Result[] DecodeMultiple <TPixel>(this IBarcodeReaderGeneric reader, ImageBase <TPixel> image) where TPixel : struct, IPixel <TPixel>
{
var luminanceSource = new ImageSharpLuminanceSource <TPixel>(image);
return(reader.DecodeMultiple(luminanceSource));
}
/// <summary>
/// uses the IBarcodeReaderGeneric implementation and the <see cref="ImageSharpLuminanceSource"/> class for decoding
/// </summary>
/// <param name="reader"></param>
/// <param name="image"></param>
/// <returns></returns>
public static Result[] DecodeMultiple(this IBarcodeReaderGeneric reader, Image image)
{
var luminanceSource = new ImageSharpLuminanceSource(image);
return(reader.DecodeMultiple(luminanceSource));
}
/// <summary>
/// uses the IBarcodeReaderGeneric implementation and the <see cref="ImageSharpLuminanceSource{TPixel}"/> class for decoding
/// </summary>
/// <param name="reader"></param>
/// <param name="image"></param>
/// <returns></returns>
public static Result Decode <TPixel>(this IBarcodeReaderGeneric reader, Image <TPixel> image) where TPixel : unmanaged, IPixel <TPixel>
{
var luminanceSource = new ImageSharpLuminanceSource <TPixel>(image);
return(reader.Decode(luminanceSource));
}
