public void GenerateAndRecognizeBarcode()
{
var reader = new BarcodeReader()
{
AutoRotate = true,
TryInverted = true,
Options = new ZXing.Common.DecodingOptions()
{
TryHarder = true,
PossibleFormats = new List <BarcodeFormat> {
BarcodeFormat.PDF_417
}
},
};
var data = $"00000000000@{Constants.Donee.LastName}@{Constants.Donee.FirstName}@M@{Constants.Donee.Id}@A@{Constants.Donee.DateOfBirth:dd/MM/yyyy}@26/10/1986";
var writer = new BarcodeWriterGeneric
{
Format = BarcodeFormat.PDF_417,
Options = new PDF417EncodingOptions
{
Height = 60,
Width = 240,
Margin = 10
}
};
var bitmap = writer.WriteAsBitmap(data);
var elements = reader.Decode(bitmap);
Assert.Equal(data, elements.Text);
}
public static string GetBase64Barcode(this string barCode)
{
if (string.IsNullOrEmpty(barCode))
{
return(string.Empty);
}
var barcodeWriter = new BarcodeWriterGeneric
{
Format = BarcodeFormat.CODE_128,
Options = new EncodingOptions
{
Height = 30,
PureBarcode = true
}
};
var matrix = barcodeWriter.Encode(barCode);
var width = matrix.Width;
var height = matrix.Height;
var image = new Image <Rgba32>(width, height);
for (var x = 0; x < width; x++)
{
for (var y = 0; y < height; y++)
{
image[x, y] = matrix[x, y] ? Rgba32.Black : Rgba32.White;
//image.SetPixel(x, y, (matrix.get_Renamed(x,y).Equals(0) ? BLACK : WHITE));
}
}
return(image.ToBase64String(SixLabors.ImageSharp.Formats.Jpeg.JpegFormat.Instance));
}
public void CanReadImageWithQR()
{
var writer = new BarcodeWriterGeneric
{
Format = BarcodeFormat.QR_CODE,
};
var data = Guid.NewGuid().ToString();
using var bitmap = writer.WriteAsBitmap(data);
using var mem = new MemoryStream();
bitmap.Save(mem, ImageFormat.Png);
using var http = new HttpClient();
var qr = new QRCode(http);
var result = qr.Decode(mem.ToArray());
Assert.NotNull(result);
Assert.Equal(data, result);
}
// Start is called before the first frame update
void Start()
{
Texture2D texture = new Texture2D(500, 500);
texture.filterMode = FilterMode.Bilinear;
BarcodeWriterGeneric writer = new BarcodeWriterGeneric();
writer.Format = BarcodeFormat.QR_CODE;
writer.Options.Width = texture.width;
writer.Options.Height = texture.height;
writer.Options.Margin = 10;
PsicologoDAO psicologoDAO = new PsicologoDAO();
List <Psicologo> psicologos = psicologoDAO.Lista();
if (psicologos.Count > 0)
{
Psicologo psicologo = psicologos[0];
string representation = string.Format(
"{0}\n{1}\n{2}\n{3}",
psicologo.Nombre,
psicologo.Correo,
psicologo.Telefono,
psicologo.Cedula
);
BitMatrix matrix = writer.Encode(representation);
matrix.rotate180();
ZXing.Common.BitArray row = new ZXing.Common.BitArray(matrix.RowSize);
// get image data
int width = texture.width;
int height = texture.height;
for (int y = 0; y < height; y++)
{
row = matrix.getRow(y, row);
row.reverse(); // they are backwards wtf?
int[] pixels = row.Array;
int int_i = 0;
int bit_i = 0;
for (int x = 0; x < width; x++)
{
int bit_mask = 1 << bit_i++;
int int_value = pixels[int_i];
bool bit_value = (int_value & bit_mask) == bit_mask;
if (bit_i > 31)
{
bit_i = 0;
int_i++;
}
UnityEngine.Color color;
if (bit_value)
{
color = UnityEngine.Color.black;
}
else
{
color = UnityEngine.Color.white;
}
texture.SetPixel(x, y, color);
}
}
texture.Apply();
image.texture = texture;
//imageFitter.aspectRatio = 1.0f;
//image.material.mainTexture = texture;
}
}
