/// <summary>
/// 生成带Logo二维码
/// </summary>
/// <param name="content">内容</param>
/// <param name="iconPath">logo路径</param>
/// <param name="moduleSize">二维码的大小</param>
/// <returns>输出流</returns>
public static MemoryStream GetQRCode(string content, string iconPath, int moduleSize = 9)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(content);
GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(moduleSize, QuietZoneModules.Two), Brushes.Black, Brushes.White);
DrawingSize dSize = render.SizeCalculator.GetSize(qrCode.Matrix.Width);
Bitmap map = new Bitmap(dSize.CodeWidth, dSize.CodeWidth);
Graphics g = Graphics.FromImage(map);
render.Draw(g, qrCode.Matrix);
//追加Logo图片 ,注意控制Logo图片大小和二维码大小的比例
//PS:追加的图片过大超过二维码的容错率会导致信息丢失,无法被识别
System.Drawing.Image img = System.Drawing.Image.FromFile(iconPath);
Point imgPoint = new Point((map.Width - img.Width) / 2, (map.Height - img.Height) / 2);
g.DrawImage(img, imgPoint.X, imgPoint.Y, img.Width, img.Height);
MemoryStream memoryStream = new MemoryStream();
map.Save(memoryStream, ImageFormat.Jpeg);
return(memoryStream);
//生成图片的代码： map.Save(fileName, ImageFormat.Jpeg);//fileName为存放的图片路径
}
static void Main(string[] args)
{
Console.Write("请输入文本(小于100个字符):");
string sampleText = Console.ReadLine();
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(sampleText);
if (sampleText.Length > 100)
{
Console.WriteLine("提示：文本信息过长！");
}
else
{
for (int j = 0; j < qrCode.Matrix.Width; j++)
{
for (int i = 0; i < qrCode.Matrix.Width; i++)
{
char charToPrint = qrCode.Matrix[i, j] ? ' ' : '■';
Console.Write(charToPrint);
}
Console.WriteLine();
}
Console.WriteLine("按任意键退出：");
Console.ReadKey();
}
}
//生成二维码
private void button2_Click(object sender, EventArgs e)
{
if (url == "")
{
label1.Text = "您未选中任何数据！";
}
else
{
string file1 = "./url1.png";
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(url);
//保存成png文件
GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
FileStream stream = new FileStream(file1, FileMode.Create);
using (stream)
{
render.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
}
stream.Close();
FileStream pFileStream = new FileStream(file1, FileMode.Open, FileAccess.Read);
pictureBox1.Image = Image.FromStream(pFileStream);
pFileStream.Close();
pFileStream.Dispose();
}
}
public void Pulsera(string loteCanal, int numeroCanal)
{
string lString = loteCanal + ":::" + numeroCanal.ToString();
string lRuta = Path.GetTempPath().ToString() + numeroCanal + "qrCode.bmp";
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode lQrCode = encoder.Encode(lString);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
FileStream fileStream = new FileStream(lRuta, FileMode.Create);
renderer.WriteToStream(lQrCode.Matrix, ImageFormat.Bmp, fileStream);
fileStream.Close();
Image imageQRCode = Image.FromFile(lRuta);
//FIN
this.rvVisorReportes.LocalReport.DataSources.Clear();
this.dataSet.Clear();
this.dataTable.Clear();
this.dataTable = new DataTable("Pulsera");
DataColumn colLote = new DataColumn();
colLote.DataType = System.Type.GetType("System.String");
colLote.ColumnName = "lote";
DataColumn colNumeroCanal = new DataColumn();
colNumeroCanal.DataType = System.Type.GetType("System.Int32");
colNumeroCanal.ColumnName = "numeroCanal";
DataColumn colQRCode = new DataColumn();
colQRCode.DataType = System.Type.GetType("System.Byte[]");
colQRCode.ColumnName = "qrCode";
this.dataTable.Columns.Add(colLote);
this.dataTable.Columns.Add(colNumeroCanal);
this.dataTable.Columns.Add(colQRCode);
this.dataRow = this.dataTable.NewRow();
this.dataRow["lote"] = loteCanal;
this.dataRow["numeroCanal"] = numeroCanal;
this.dataRow["qrCode"] = GetBytes(imageQRCode);
this.dataTable.Rows.Add(this.dataRow);
this.dataSet.Tables.Add(this.dataTable);
this.reportDataSource = new ReportDataSource("Pulsera", this.dataTable);
this.rvVisorReportes.LocalReport.DataSources.Add(this.reportDataSource);
this.rvVisorReportes.LocalReport.ReportEmbeddedResource = "FYRASA.Informes.Pulsera.rdlc";
this.rvVisorReportes.RefreshReport();
this.ShowDialog();
}
public void ShouldFailInParallelRunning()
{
// Arrange
var qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
var qrCode = qrEncoder.Encode("Hello World");
var list = new List <Task>();
// Act
for (var i = 0; i < 1000; i++)
{
list.Add(Task.Factory.StartNew(() =>
{
using (var ms = new MemoryStream())
{
var renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
}
}));
}
// Assert
Assert.ThrowsException <AggregateException>(() =>
{
Task.WaitAll(list.ToArray());
});
}
public void Test_against_reference_implementation(string inputData, ErrorCorrectionLevel errorCorrectionLevel, BitMatrix expectedMatrix)
{
QrEncoder encoder = new QrEncoder(errorCorrectionLevel);
BitMatrix resultMatrix = encoder.Encode(inputData).Matrix;
expectedMatrix.AssertEquals(resultMatrix);
}
//To generate QRCode
public string GenerateQRCode(string BookID, string BookName)
{
string qr_id = "";
try
{
var qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
var qrCode = qrEncoder.Encode(BookID + BookName);
long i = 1;
foreach (byte b in Guid.NewGuid().ToByteArray())
{
i *= ((int)b + 1);
}
qr_id = String.Format("{0:d9}", (DateTime.Now.Ticks / 10) % 1000000000);
var renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
string path = "F:/k_dev/QRCodes/" + BookID + ".png";
using (var stream = new FileStream(path, FileMode.Create))
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
}
catch (Exception ex)
{
throw ex;
}
return(qr_id + ".png");
}
private void button4_Click(object sender, EventArgs e)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(_demoString);
//保存成png文件
string filename = @"QRCodeResize.png";
//ModuleSize 设置图片大小
//QuietZoneModules 设置周边padding
/*
* 5----150*150 padding:5 最终165*165
* 10----300*300 padding:10 最终330 * 330
* 20----600*600 padding:20 最终660 * 660
*/
//GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(10, QuietZoneModules.Two), Brushes.Black, Brushes.White);
GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(20, QuietZoneModules.Two), Brushes.Black, Brushes.White);
using (FileStream stream = new FileStream(filename, FileMode.Create))
{
render.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
}
//Point padding = new Point(10, 10);
//DrawingSize dSize = render.SizeCalculator.GetSize(qrCode.Matrix.Width);
//Bitmap map = new Bitmap(dSize.CodeWidth + padding.X, dSize.CodeWidth + padding.Y);
//Graphics g = Graphics.FromImage(map);
//render.Draw(g, qrCode.Matrix, padding);
//map.Save(filename, ImageFormat.Png);
}
private clsResponse QRCode(string content)
{
clsResponse objResponse = new clsResponse();
try
{
QrEncoder enc = new QrEncoder(ErrorCorrectionLevel.H);
var code = enc.Encode(content);
//---------------------------------------------------------------
GraphicsRenderer r = new GraphicsRenderer(new FixedCodeSize(5, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
using (MemoryStream ms = new MemoryStream())
{
r.WriteToStream(code.Matrix, ImageFormat.Png, ms);
byte[] image = ms.ToArray();
objResponse.Base64String = string.Format(@"<img src=""data:image/png;base64,{0}"" alt=""{1}"" />", Convert.ToBase64String(image), content);
}
//---------------------------------------------------------------
objResponse.StatusCode = 200;
}
catch (Exception ex)
{
objResponse.StatusCode = 404;
objResponse.StatusText = ex.Message.ToString() + ", Inner : " + ex.InnerException.Message.ToString();
}
return(objResponse);
}
public void Generate(byte[] privateKey)
{
var account = new Neo.Wallets.KeyPair(privateKey);
var contract = Neo.SmartContract.Contract.CreateSignatureContract(account.PublicKey);
var address = contract.Address;
var wif = account.Export();
File.AppendAllText("export.txt", $"{address}\t{wif}\r\n", Encoding.Default);
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(wif);
int w = (int)Math.Sqrt(qrCode.Matrix.InternalArray.Length);
bool[,] qr = Zoom(qrCode.Matrix.InternalArray, 10, w);
w = (int)Math.Sqrt(qr.Length);
byte[] data = new byte[qr.Length];
for (int j = 0; j < w; j++)
{
for (int i = 0; i < w; i++)
{
data[j * w + i] = (byte)(qr[i, j] ? 0 : 255);
}
}
var dpi = 144;
BitmapSource qrBitSource = BitmapSource.Create(w, w, dpi, dpi, PixelFormats.Gray8, null, data, w);
DrawingVisual drawingVisual = new DrawingVisual();
using (DrawingContext drawingContext = drawingVisual.RenderOpen())
{
drawingContext.DrawRectangle(new SolidColorBrush(Colors.White), new Pen(new SolidColorBrush(Colors.White), 0), new Rect(new Point(0, 0), new Size(1000, 1000)));
drawingContext.DrawText(
new FormattedText(
address,
System.Globalization.CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
new Typeface(new FontFamily("微软雅黑"), FontStyles.Normal, FontWeights.Regular, FontStretches.Normal),
9, new SolidColorBrush(Colors.Black)
),
new Point(30, 10));
//图片-二维码
drawingContext.DrawImage(qrBitSource, new Rect(new Point(30, 30), new Size(200, 200)));
}
try
{
RenderTargetBitmap bmp = new RenderTargetBitmap(390, 390, dpi, dpi, PixelFormats.Pbgra32);
bmp.Render(drawingVisual);
//canvas1.Children.Add(new Image());
//(canvas1.Children[0] as Image).Source = bmp;
var fileName = $"code/{address}.jpg";
Save(bmp, fileName);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public static byte[] Encode(string str)
{
var qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
var qrCode = qrEncoder.Encode(str);
var render = new GraphicsRenderer(new FixedModuleSize(3, QuietZoneModules.Zero));
var ms = new MemoryStream();
//render.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
DrawingSize dSize = render.SizeCalculator.GetSize(qrCode.Matrix.Width);
Bitmap map = new Bitmap(dSize.CodeWidth, dSize.CodeWidth);
Graphics g = Graphics.FromImage(map);
render.Draw(g, qrCode.Matrix);
int logosize = 20;
using (Image img = Image.FromFile(AppDomain.CurrentDomain.BaseDirectory + @"Images\innerWhite-logo.png"))
{
Point imgPoint = new Point((map.Width - logosize) / 2, (map.Height - logosize) / 2);
g.DrawImage(img, imgPoint.X, imgPoint.Y, logosize, logosize);
map.Save(ms, ImageFormat.Png);
}
return(ms.GetBuffer());
}
//直接在控制台上用黑白方块打印出QrCode码
static void printQrCode(string str)
{
QrEncoder qrEncoder = new QrEncoder();
QrCode qrCode = qrEncoder.Encode(str);
for (int i = 0; i < qrCode.Matrix.Width + 2; i++)
{
Console.Write("█");
}
Console.WriteLine();
for (int j = 0; j < qrCode.Matrix.Width; j++)
{
Console.Write("█");
for (int i = 0; i < qrCode.Matrix.Width; i++)
{
char charToPrint = qrCode.Matrix[j, i] ? ' ' : '█';
Console.Write(charToPrint);
}
Console.Write("█");
Console.WriteLine();
}
for (int i = 0; i < qrCode.Matrix.Width + 2; i++)
{
Console.Write("█");
}
Console.WriteLine();
}
//编码QRCode
static QrCode EnCode(char level, String content)
{
if (content.Length > 100)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("待编码信息超过可编码的最大长度");
Console.ResetColor();
return(null);
}
QrEncoder qrEncoder;
switch (level)
{
case 'L':
qrEncoder = new QrEncoder(ErrorCorrectionLevel.L);
break;
case 'M':
qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
break;
case 'Q':
qrEncoder = new QrEncoder(ErrorCorrectionLevel.Q);
break;
case 'H':
qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
break;
default:
goto case 'M';
}
return(qrEncoder.Encode(content));
}
/// <summary>
/// Genera codigo QR
/// </summary>
/// <param name="link"></param>
/// <param name="ruc"></param>
/// <param name="tipoCFE"></param>
/// <param name="serie"></param>
/// <param name="nroCFE"></param>
/// <param name="monto"></param>
/// <param name="fecha"></param>
/// <param name="hash1"></param>
/// <returns></returns>
//public bool generadorQR(string link, string ruc, string tipoCFE,
// string serie, string nroCFE, string monto, string fecha, string hash1)
public bool generadorQR(string link, CFE pComprobante, string monto)
{
bool resultado = false;
string rutaQ = RutasCarpetas.RutaCarpetaComprobantes + Mensaje.nomImagenQr;
try
{
DateTime fechaFormateada = DateTime.Parse(pComprobante.FechaComprobante);
//hash1 = Uri.EscapeDataString(hash1);
//string informacion = link + "?" + ruc + "," + tipoCFE + "," + serie +
// "," + nroCFE + "," + monto + "," + fecha + "," + hash1;
pComprobante.CodigoSeguridad = Uri.EscapeDataString(pComprobante.CodigoSeguridad);
string informacion = link + "?" + pComprobante.RucEmisor + "," + pComprobante.TipoCFEInt + "," + pComprobante.SerieComprobante +
"," + pComprobante.NumeroComprobante + "," + monto + "," + fechaFormateada.ToString("dd/MM/yyyy") + "," + pComprobante.CodigoSeguridad;
var qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
var qrCode = qrEncoder.Encode(informacion);
var renderer = new GraphicsRenderer(new FixedModuleSize
(10, QuietZoneModules.Two), Brushes.Black, Brushes.White);
using (var stream = new FileStream(rutaQ, FileMode.Create))
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
resultado = true;
}
catch (Exception)
{
}
return(resultado);
}
//生成中文二维码-支持中文(自定义大小)
//暂时未完善 只定义了背景大小
static void Generate(string url, string filename, string savapath, ImgType type = ImgType.Png, int?width = null, int?high = null)
{
QrEncoder qrEncoder = new QrEncoder();
var qrCode = qrEncoder.Encode(url);
//保存成png文件
//string filename = @"H:\桌面\截图\cn.png";
string suffix = ImgSuffix.Getsuffix(type);; //后缀
filename = $"{savapath}{filename}{suffix}";
GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
int w = 500;
int h = 500;
if (width != null)
{
w = (int)width;
}
if (high != null)
{
h = (int)high;
}
Bitmap map = new Bitmap(w, h);
Graphics g = Graphics.FromImage(map);
g.FillRectangle(Brushes.White, 0, 0, w, h);
render.Draw(g, qrCode.Matrix, new Point(20, 20));
map.Save(filename, ImageFormat.Png);
}
/// <summary>
/// create qrcode photoes in .png format and output in console
/// </summary>
/// <param name="rows"><number of pictures to be created/param>
/// <param name="stringData"><string array to store data/param>
public static void PhotoOutput(int rows, string[] stringData)
{
FileStream[] resultFile = new FileStream[rows]; // declear qrcode phote files array
string[] photoname = new string[rows];
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
for (int r = 0; r < rows; r++)
{
// if the input data are valid (numbers), create photoes
if (CorrectInput(stringData[r]))
{
photoname[r] = string.Format("{0:D3}", r) + stringData[r].Substring(0, 4) + ".png";
resultFile[r] = new FileStream(photoname[r], FileMode.Create);
QrCode qrCode = qrEncoder.Encode(stringData[r]);
ConsoleOutput(qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(30, QuietZoneModules.Four), Brushes.Black, Brushes.White);
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, resultFile[r]);
}
// if the input data are invalid, throw an exception and return
else
{
Console.WriteLine("Invalid input of txt(sql) data.\n'-help' for some help on readme.md");
return;
}
}
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="code">字符串</param>
/// <param name="eSize">二维码尺寸</param>
/// <param name="img">小图</param>
/// <param name="iSize">小图尺寸</param>
/// <param name="bColor">二维码背景颜色</param>
/// <param name="fColor">二维码颜色</param>
/// <returns></returns>
public static Image GetQrcode(string code, int eSize, Image img, int iSize, Brush bColor, Brush fColor)
{
var qrcoder = new QrEncoder(ErrorCorrectionLevel.H);
var qrCode = qrcoder.Encode(code);
var render = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Four), fColor, bColor);
using (Stream stream = new MemoryStream())
{
eSize = eSize > 0 ? eSize : 200;
render.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream, new Point(10, 10));
var be = new Bitmap(stream);
be = ResizeImage(be, eSize, eSize);
Graphics ge = Graphics.FromImage(be);
if (img != null)
{
iSize = iSize > 0 ? iSize : 50;
img = ResizeImage(img, iSize, iSize);
//小图白色边框
var bi = new Bitmap(iSize + 10, iSize + 10);
Graphics gi = Graphics.FromImage(bi);
gi.Clear(Color.White);
gi.DrawImage(img, 5, 5, iSize, iSize);
//将小图插入到二维码图片中
ge.DrawImage(bi, (eSize - iSize) / 2, (eSize - iSize) / 2, iSize, iSize);
}
return(be);
}
}
private void EncodeNewBitMatrix(string content)
{
if (!String.IsNullOrEmpty(content))
{
qrCode = qrEncoder.Encode(content);
bitMatrix = qrCode.Matrix;
}
}
/// <summary>
/// 开始绘制（仅覆盖）
/// </summary>
/// <param name="text">内容文字</param>
/// <param name="pictureSize">图片大小</param>
public void Draw(string text, int pictureSize)
{
QrCode qrCode = qrEncoder.Encode(text);
FixedModuleSize moduleSize = new FixedModuleSize(pictureSize, QuietZoneModules.Zero);
GraphicsRenderer render = new GraphicsRenderer(moduleSize, darkBrush, lightBrush);
render.Draw(graphics, qrCode.Matrix);
}
public void generar(Compra compra)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = qrEncoder.Encode(compra.Id.ToString());
Renderer renderer = new Renderer(5, Brushes.Black, Brushes.White);
renderer.CreateImageFile(qrCode.Matrix, "c:/Qr" + compra.Id.ToString() + ".png", ImageFormat.Png);
}
public void Encode_InvalidEncoding_ShouldThrowException()
{
// Act
Action action = () => QrEncoder.Encode("test", ErrorCorrectionLevel.H, (Encoding)255);
// Assert
action.Should().Throw <InvalidOperationException>()
.WithMessage("Unknown encoding type 255");
}
private void ShowCode(Graphics g)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.L);
QrCode qrCode = qrEncoder.Encode(str);
FixedModuleSize moduleSize = new FixedModuleSize(2, QuietZoneModules.Two);
GraphicsRenderer render = new GraphicsRenderer(moduleSize, Brushes.Black, Brushes.White);
render.Draw(g, qrCode.Matrix);
}
public WriteableBitmap generateQRCode(Ticket t)
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.H);
var res = encoder.Encode(t.TicketID + "");
WriteableBitmapRenderer wRenderer = new WriteableBitmapRenderer(new FixedModuleSize(2, QuietZoneModules.Two), Colors.Black, Colors.White);
WriteableBitmap wBitmap = new WriteableBitmap(51, 51, 5, 5, PixelFormats.Gray8, null);
wRenderer.Draw(wBitmap, res.Matrix);
return(wBitmap);
}
private string GetQrCode(string cadena)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(cadena);
MemoryStream salida = new MemoryStream();
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(2, QuietZoneModules.Two), Brushes.Black, Brushes.White);
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, salida);
salida.Close();
return(Convert.ToBase64String(salida.ToArray()));
}
private static MemoryStream QrStream(string url)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(url);
var renderer = new GraphicsRenderer(new FixedModuleSize(9, QuietZoneModules.Two));
var ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg, ms);
ms.Position = 0;
return(ms);
}
static void Main(string[] args)
{
ParseArgs(args);
var qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
if (Directory.Exists(DestinationFolder))
{
Directory.Delete(DestinationFolder, recursive: true);
}
Directory.CreateDirectory(DestinationFolder);
using (conn)
{
SqlCommand _query = new SqlCommand(SQLQuery, conn);
conn.Open();
SqlDataReader _reader = _query.ExecuteReader();
if (_reader.HasRows)
{
while (_reader.Read())
{
string _fileName = "";
string RS = ((char)030).ToString();
string GS = ((char)029).ToString();
string EOT = ((char)004).ToString();
string _text = "[)>" + RS;
for (var i = 0; i < _reader.FieldCount; i++)
{
_text += _reader.GetString(i);
if (i == _reader.FieldCount - 1)
{
_text += RS + EOT;
}
else
{
_text += GS;
}
if (_reader.GetName(i) == FileNameField)
{
_fileName = _reader.GetString(i);
}
}
if (_fileName == "")
{
var ex = new Exception("FileName field not found");
throw (ex);
}
var _qrCode = qrEncoder.Encode(_text);
var renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
using (var stream = new FileStream(string.Format("{0}{1}.bmp", DestinationFolder, _fileName), FileMode.Create))
renderer.WriteToStream(_qrCode.Matrix, ImageFormat.Bmp, stream);
}
}
}
}
private void ShowCode(Graphics g)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.L);
QrCode qrCode = qrEncoder.Encode(str);
FixedModuleSize moduleSize = new FixedModuleSize(4, QuietZoneModules.Two);
GraphicsRenderer render = new GraphicsRenderer(moduleSize, Brushes.Black, Brushes.White);
Point mP = new Point(627, 595);//设置二维码左上角的位置
render.Draw(g, qrCode.Matrix, mP);
}
public void CalculatePenaltyRule3(string content, uint expectedPenalty)
{
// Arrange
var qr = QrEncoder.Encode(content, ErrorCorrectionLevel.L, Encoding.AlphaNumeric) as QrCode;
// Act
var penalty = qr.CalculatePenaltyRule3();
// Assert
penalty.Should().Be(expectedPenalty);
}
void how_to_print_page_handle(object sender, PrintPageEventArgs e)
{
int h = (int)(e.PageSettings.PrintableArea.Height);
int w = (int)(e.PageSettings.PrintableArea.Width);
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
float side = e.PageSettings.PrintableArea.Width;
side = 100; //=> 1"
if (e.PageSettings.PrintableArea.Height < e.PageSettings.PrintableArea.Width)
{
side = e.PageSettings.PrintableArea.Height;
}
float modesize = side / 100 * e.Graphics.DpiX;
QrCode qrCode = qrEncoder.Encode("0123456789");
//ISizeCalculation iSizeCal = new FixedModuleSize(2, QuietZoneModules.Zero);
// This works with the Brady on a very small label
ISizeCalculation iSizeCal = new FixedCodeSize((int)modesize - 16, QuietZoneModules.Zero);
DrawingBrushRenderer dRenderer = new DrawingBrushRenderer(iSizeCal,
System.Windows.Media.Brushes.Black, System.Windows.Media.Brushes.White);
string test = "test1";
if (test == "test1")
{
MemoryStream mem_stream = new MemoryStream();
dRenderer.WriteToStream(qrCode.Matrix, ImageFormatEnum.BMP, mem_stream);
Bitmap bitmap = new Bitmap(mem_stream);
bitmap.SetResolution(e.Graphics.DpiX, e.Graphics.DpiY);
//Graphics graphics = Graphics.FromImage(bitmap);
e.Graphics.DrawImage(bitmap, 0, 0);
}
else
{
System.Windows.Point dpipoint = new System.Windows.Point(e.Graphics.DpiX, e.Graphics.DpiY);
BitmapSource bitmapsource = dRenderer.WriteToBitmapSource(qrCode.Matrix, dpipoint);
BitmapFrame bitmapframe = BitmapFrame.Create(bitmapsource);
BitmapEncoder bitmapencoder = new BmpBitmapEncoder();
bitmapencoder.Frames.Add(bitmapframe);
MemoryStream mem_stream = new MemoryStream();
bitmapencoder.Save(mem_stream);
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(mem_stream);
e.Graphics.DrawImage(bitmap, 0, 0);
}
}
public Image DrawQRCode(int qrImageSize, ImageFormat imgFormat)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = qrEncoder.Encode(this.BarCodeValue);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(qrImageSize, QuietZoneModules.Two), Brushes.Black, Brushes.White);
MemoryStream stream = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, imgFormat, stream);
return(Image.FromStream(stream));
}
public void QrPerformanceTest()
{
Stopwatch sw = new Stopwatch();
int timesofTest = 1000;
string[] timeElapsed = new string[2];
string testCase = "sdg;alwsetuo1204985lkscvzlkjt;sdfjwltkja;slkdfjoiutLSAFAJ;GLKAJS;LDKJT;LKJ";
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.H);
sw.Start();
for(int i = 0; i < timesofTest; i++)
{
encoder.Encode(testCase);
}
sw.Stop();
timeElapsed[0] = sw.ElapsedMilliseconds.ToString();
sw.Reset();
ErrorCorrectionLevelInternal level = ErrorCorrectionLevelConverter.ToInternal(ErrorCorrectionLevel.H);
QRCodeInternal qrCodeInternal = new QRCodeInternal();
sw.Start();
for(int i = 0; i < timesofTest; i++)
{
EncoderInternal.encode(testCase, level, qrCodeInternal);
}
sw.Stop();
timeElapsed[1] = sw.ElapsedMilliseconds.ToString();
Assert.Pass("Encode performance {0} Tests~ QrCode.Net: {1} ZXing: {2}", timesofTest, timeElapsed[0], timeElapsed[1]);
}
public void Test_against_csv_DataSet(string inputData, ErrorCorrectionLevel errorCorrectionLevel, BitMatrix expectedMatrix)
{
QrEncoder encoder = new QrEncoder(errorCorrectionLevel);
BitMatrix resultMatrix = encoder.Encode(inputData).Matrix;
expectedMatrix.AssertEquals(resultMatrix);
}