public static void Output(string text)
{
const int threshold = 180;
var writer = new ZXing.ImageSharp.BarcodeWriter <Rgba32>
{
Format = BarcodeFormat.QR_CODE,
Options = new QrCodeEncodingOptions
{
Width = 33,
Height = 33,
Margin = 1
}
};
var image = writer.WriteAsImageSharp <Rgba32>(text);
int[,] points = new int[image.Width, image.Height];
for (var i = 0; i < image.Width; i++)
{
for (var j = 0; j < image.Height; j++)
{
//获取该像素点的RGB的颜色
var color = image[i, j];
if (color.B <= threshold)
{
points[i, j] = 1;
}
else
{
points[i, j] = 0;
}
}
}
for (var i = 0; i < image.Width; i++)
{
for (var j = 0; j < image.Height; j++)
{
//获取该像素点的RGB的颜色
if (points[i, j] == 0)
{
Console.BackgroundColor = ConsoleColor.Black;
Console.ForegroundColor = ConsoleColor.Black;
Console.Write(" ");
Console.ResetColor();
}
else
{
Console.BackgroundColor = ConsoleColor.White;
Console.ForegroundColor = ConsoleColor.White;
Console.Write(" ");
Console.ResetColor();
}
}
Console.Write("\n");
}
}
/// <summary>
/// Async create barcode
/// 异步创建条形码
/// </summary>
/// <param name="stream">Stream to save the barcode</param>
/// <param name="options">Options</param>
/// <param name="token">Cancellation token</param>
/// <returns>Task</returns>
public static async Task CreateAsync(Stream stream, BarcodeOptions options, CancellationToken token = default)
{
var writer = new ZXing.ImageSharp.BarcodeWriter <Rgba32>
{
Format = ParseFormat(options.Type),
Options = options,
Renderer = new ZXing.ImageSharp.Rendering.ImageSharpRenderer <Rgba32>
{
Background = options.Background,
Foreground = options.Foreground
}
};
using var image = writer.Write(options.Content);
await image.SaveAsPngAsync(stream, token);
}
/// <summary>
/// Create barcode as Base64 string
/// 将条形码创建为 Base64 字符串
/// </summary>
/// <param name="options"Options>Options</param>
/// <returns>String</returns>
public static string Create(BarcodeOptions options)
{
var writer = new ZXing.ImageSharp.BarcodeWriter <Rgba32>
{
Format = ParseFormat(options.Type),
Options = options,
Renderer = new ZXing.ImageSharp.Rendering.ImageSharpRenderer <Rgba32>
{
Background = options.Background,
Foreground = options.Foreground
}
};
using var image = writer.Write(options.Content);
return(image.ToBase64String(PngFormat.Instance));
}
private Image <Bgr565> GetQrImage(string tt)
{
var writer = new ZXing.ImageSharp.BarcodeWriter <Bgr565>
{
Format = BarcodeFormat.QR_CODE
};
writer.Options.Hints.Add(EncodeHintType.CHARACTER_SET, "UTF-8"); //编码问题
writer.Options.Hints.Add(
EncodeHintType.ERROR_CORRECTION,
ErrorCorrectionLevel.H
);
const int codeSizeInPixels = 500; //设置图片长宽
writer.Options.Height = writer.Options.Width = codeSizeInPixels;
writer.Options.Margin = 1; //设置边框
return(writer.Write(writer.Encode(tt)));
}
public byte[] Generate(string content, BarcodeType type, int?width, int?height, int?margin)
{
ZXing.BarcodeFormat barcodeFormat;
switch (type)
{
case BarcodeType.AZTEC:
barcodeFormat = ZXing.BarcodeFormat.AZTEC;
break;
case BarcodeType.CODABAR:
barcodeFormat = ZXing.BarcodeFormat.CODABAR;
break;
case BarcodeType.CODE_39:
barcodeFormat = ZXing.BarcodeFormat.CODE_39;
break;
case BarcodeType.CODE_93:
barcodeFormat = ZXing.BarcodeFormat.CODE_93;
break;
case BarcodeType.CODE_128:
barcodeFormat = ZXing.BarcodeFormat.CODE_128;
break;
case BarcodeType.DATA_MATRIX:
barcodeFormat = ZXing.BarcodeFormat.DATA_MATRIX;
break;
case BarcodeType.EAN_8:
barcodeFormat = ZXing.BarcodeFormat.EAN_8;
break;
case BarcodeType.EAN_13:
barcodeFormat = ZXing.BarcodeFormat.EAN_13;
break;
case BarcodeType.ITF:
barcodeFormat = ZXing.BarcodeFormat.ITF;
break;
case BarcodeType.MAXICODE:
barcodeFormat = ZXing.BarcodeFormat.MAXICODE;
break;
case BarcodeType.PDF_417:
barcodeFormat = ZXing.BarcodeFormat.PDF_417;
break;
case BarcodeType.QR_CODE:
barcodeFormat = ZXing.BarcodeFormat.QR_CODE;
break;
case BarcodeType.RSS_14:
barcodeFormat = ZXing.BarcodeFormat.RSS_14;
break;
case BarcodeType.RSS_EXPANDED:
barcodeFormat = ZXing.BarcodeFormat.RSS_EXPANDED;
break;
case BarcodeType.UPC_A:
barcodeFormat = ZXing.BarcodeFormat.UPC_A;
break;
case BarcodeType.UPC_E:
barcodeFormat = ZXing.BarcodeFormat.UPC_E;
break;
case BarcodeType.UPC_EAN_EXTENSION:
barcodeFormat = ZXing.BarcodeFormat.UPC_EAN_EXTENSION;
break;
case BarcodeType.MSI:
barcodeFormat = ZXing.BarcodeFormat.MSI;
break;
case BarcodeType.PLESSEY:
barcodeFormat = ZXing.BarcodeFormat.PLESSEY;
break;
case BarcodeType.IMB:
barcodeFormat = ZXing.BarcodeFormat.IMB;
break;
default:
throw new ArgumentException();
}
var barcodeWriter = new ZXing.ImageSharp.BarcodeWriter <Rgba32>
{
Format = barcodeFormat
};
if (width.HasValue || height.HasValue || margin.HasValue)
{
barcodeWriter.Options = new EncodingOptions();
if (width.HasValue)
{
barcodeWriter.Options.Width = width.Value;
}
if (height.HasValue)
{
barcodeWriter.Options.Height = height.Value;
}
if (margin.HasValue)
{
barcodeWriter.Options.Margin = margin.Value;
}
}
using (var image = barcodeWriter.Write(content))
{
using (var stream = new MemoryStream())
{
image.SaveAsPng(stream);
return(stream.ToArray());
}
}
}
