public static void SaveBarcode(string item, string fileName, string location)
{
var datamatrixEncodingOptions = new DatamatrixEncodingOptions
{
Height = 400,
Width = 400,
PureBarcode = true,
Margin = 0,
SymbolShape = SymbolShapeHint.FORCE_SQUARE
};
var barcodeWriter = new BarcodeWriter
{
Format = BarcodeFormat.DATA_MATRIX,
Options = datamatrixEncodingOptions
};
Bitmap oldMap = barcodeWriter.Write(item);
Bitmap newMap = ResizeCanvas(oldMap, oldMap.Width, oldMap.Height + 30, 0, 0);
Graphics gfx = Graphics.FromImage(newMap);
gfx.SmoothingMode = SmoothingMode.HighQuality;
Font arialFont = new Font("Calibri Light", 10, FontStyle.Regular);
gfx.DrawString(fileName, arialFont, Brushes.Black, new Point(0, oldMap.Height + 5));
try
{
newMap.Save(location);
}
catch
{
// ignored
}
}
public static void Demonstration()
{
// 箱码信息的base64位字符串
string base64Carton = string.Empty;
//获取设定的二维码的尺寸信息(默认18)
int QRCodeHeight = 70;
int QRCodeWidth = 70;
// 1.设置二维码规格
DatamatrixEncodingOptions encodeOption = new DatamatrixEncodingOptions
{
Height = QRCodeHeight, // 必须指定高度、宽度
Width = QRCodeWidth,
PureBarcode = true,
Margin = 1,
};
// 2.生成二维码图片并保存
BarcodeWriter wr = new BarcodeWriter
{
Options = encodeOption,
Format = BarcodeFormat.QR_CODE //二维码类型
};
var content = "111111111-20C1601";
using (Bitmap img = wr.Write(content))
{
img.Save($"{DateTime.Now.ToString("yyyyMMddHHmmss")}.png", ImageFormat.Png);
}
}
public void TestEncodeDecode(String data, SymbolShapeHint shape)
{
var writer = new DataMatrixWriter();
var options = new DatamatrixEncodingOptions {
SymbolShape = shape
};
var matrix = writer.encode(data, BarcodeFormat.DATA_MATRIX, 0, 0, options.Hints);
Assert.That(matrix, Is.Not.Null);
var res = new Internal.Decoder().decode(matrix);
Assert.That(res, Is.Not.Null);
Assert.That(res.Text, Is.EqualTo(data));
}
