public bool GetQRCode(string strContent, string path, string backgroundPath, int width, int height, int x, int y, MemoryStream ms)
{
ErrorCorrectionLevel Ecl = ErrorCorrectionLevel.M; //误差校正水平
string Content = strContent; //待编码内容
QuietZoneModules QuietZones = QuietZoneModules.Two; //空白区域
int ModuleSize = 12; //大小
var encoder = new QrEncoder(Ecl);
QrCode qr;
if (encoder.TryEncode(Content, out qr))//对内容进行编码，并保存生成的矩阵
{
var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));
render.WriteToStream(qr.Matrix, ImageFormat.Png, ms);
Bitmap b = new Bitmap(width, height);
Graphics g = Graphics.FromImage(b);
using (FileStream fs = new FileStream(backgroundPath, FileMode.Open))
{
Bitmap bmp = new Bitmap(fs);
Bitmap bmp2 = new Bitmap(ms);
// Graphics g2 = Graphics.FromImage(bmp);
g.DrawImage(bmp2, new Rectangle(x, y, width, height));
bmp.Save(path);
}
}
else
{
return(false);
}
return(true);
}
public ActionResult GenerateQrCode()
{
var userName = User.Identity.Name;
var user = _userService.GetUserById(User.Identity.GetUserId());
string barcodeText = userName + "_" + user.PasswordHash;
var qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
var qrCode = new QrCode();
qrEncoder.TryEncode(barcodeText, out qrCode);
var renderer = new GraphicsRenderer(new FixedModuleSize(4, QuietZoneModules.Four), Brushes.Black, Brushes.White);
Stream memoryStream = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, memoryStream);
memoryStream.Position = 0;
var resultStream = new FileStreamResult(memoryStream, "image/png")
{
FileDownloadName = $"uStora_qr_{userName}_{DateTime.Now:yyyyMMddhhmmsss}.png"
};
user.QrCode = barcodeText;
_userService.SaveChanges();
return(resultStream);
}
private void GenerarCodigoQR()
{
string texto = this.tb_texto.Text.Trim();
//si el text box no tiene valores nulos ni esta limpio
if (!string.IsNullOrEmpty(texto))
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
try
{
//tratamos de convertir el texto en codigo qr
qrEncoder.TryEncode(texto, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), Brushes.Black, Brushes.FloralWhite);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
var imagen_temporal = new Bitmap(ms);
var imagen = new Bitmap(imagen_temporal, new Size(new Point(200, 200)));
pn_generador.BackgroundImage = imagen_temporal;
}
catch (Exception ex)
{ MessageBox.Show(ex.Message, "Información", MessageBoxButtons.OK, MessageBoxIcon.Asterisk); }
GC.Collect();
}
else
{
MessageBox.Show("Escribe algo flojo :v", "Información", MessageBoxButtons.OK, MessageBoxIcon.Information);
tb_texto.Focus();
}
}
/// <summary>
/// Render the Matrix as a PNG image
/// </summary>
/// <param name="ms">MemoryStream to store the image bytes into</param>
internal void Render(MemoryStream ms)
{
var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));
render.WriteToStream(Matrix, ImageFormat.Png, ms);
ContentType = "image/png";
}
private void CreateFile(QrCodePart part)
{
var item = _contentManager.Get(part.ContentItem.Id);
if (item != null && item.Has <QrCodePart>())
{
var qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
var qrCode = new QrCode();
var thevalue = string.IsNullOrWhiteSpace(part.Record.Value) ? part.Settings.GetModel <QrCodeTypePartSettings>().Value : part.Record.Value;
var tokens = new Dictionary <string, object> {
{ "Content", part.ContentItem }
};
thevalue = _tokenizer.Replace(thevalue, tokens);
if (qrEncoder.TryEncode(thevalue, out qrCode))
{
var renderer = new GraphicsRenderer(new FixedCodeSize(item.As <QrCodePart>().Size, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
var stream = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
stream.Position = 0;
var outputPath = _orchardServices.WorkContext.HttpContext.Server.MapPath(string.Format("~/Media/{0}/qrcode", _shellSettings.Name));
if (!Directory.Exists(outputPath))
{
Directory.CreateDirectory(outputPath);
}
var filename = outputPath + @"\qrcode_" + part.ContentItem.Id.ToString() + ".png";
using (FileStream file = new FileStream(filename, FileMode.Create, System.IO.FileAccess.Write)) {
var bytes = new byte[stream.Length];
stream.Read(bytes, 0, (int)stream.Length);
file.Write(bytes, 0, bytes.Length);
stream.Close();
}
}
}
}
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 void codigoqr(string folio)
{
try
{
string valor = folio;
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(valor, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
var imageTemporal = new Bitmap(ms);
imagen = new Bitmap(imageTemporal, new Size(new Point(100, 100)));
//imagen.Save("imagen.png", ImageFormat.Png);
// Guardar en el disco duro la imagen (Carpeta del proyecto)
}
catch (Exception err)
{
string error = err.Message;
MessageBox.Show("Ocurrio un Error con qr, intente de nuevo.");
string funcion = "codigoqr";
Utilerias.LOG.write(_clase, funcion, error);
}
}
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());
});
}
/// <summary>
/// 写入二维码
/// </summary>
/// <param name="entity"></param>
private void WriteQRCode(QRCodeEntity entity, Dictionary <string, object> dicSource)
{
float CurrentTop = entity.Top + this.CurrentHeight;
string content = string.Empty;
if (entity.ContentType == 2)
{
content = entity.Content;
int beginIndex = content.IndexOf("{{");
int endIndex = content.LastIndexOf("}}");
string key = content.Substring(beginIndex + 2, endIndex - beginIndex - 2);
string Value = dicSource.Value <string, object>(key) as string;
content = Value;
}
else if (entity.ContentType == 1)
{
content = entity.Content;
}
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(content, out qrCode);
using (MemoryStream ms = new MemoryStream())
{
if (entity.ModuleSize <= 0 || entity.ModuleSize > 5)
{
entity.ModuleSize = 3;
}
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(entity.ModuleSize, QuietZoneModules.Two));
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg, ms);
Image image = Image.FromStream(ms);
g.DrawImage(image, new PointF(entity.Left, CurrentTop));
}
}
/// <summary>
/// 生成二维码图片
/// </summary>
/// <param name="codeContent"></param>
/// <param name="fileName"></param>
/// <returns></returns>
public static bool CreateImgCode(string codeContent, string fileName)
{
bool flag = false;
try
{
string path = Path.GetDirectoryName(fileName);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
//创建二维码生成类
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(codeContent, out qrCode);
GraphicsRenderer gRender = new GraphicsRenderer(new FixedModuleSize(30, QuietZoneModules.Four));
BitMatrix matrix = qrCode.Matrix; //qrCodeGraphicControl1.GetQrMatrix();
using (FileStream stream = new FileStream(fileName, FileMode.Create))
{
gRender.WriteToStream(matrix, System.Drawing.Imaging.ImageFormat.Png, stream, new Point(600, 600));
}
flag = true;
}
catch (Exception ex)
{
ClassLoger.Error("QrCodeHelper.Create_ImgCode");
}
return(flag);
}
protected void Page_Load(object sender, EventArgs e)
{
var api = Request["Api"];
if (String.IsNullOrEmpty(api))
{
return;
}
var manager = new OAuthHelper(ConfigurationManager.AppSettings["wxappid"]);
var url = manager.BuildOAuthUrl("http://wx.taogame.com/OAuthUserInfoDemo.aspx",
api == "snsapi_base" ? OAuthScope.Base : OAuthScope.UserInfo,
api);
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode;
encoder.TryEncode(url, out qrCode);
GraphicsRenderer gRenderer = new GraphicsRenderer(
new FixedModuleSize(2, QuietZoneModules.Two),
Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
gRenderer.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg, ms);
Response.BinaryWrite(ms.ToArray());
}
/// 获取二维码
/// </summary>
/// <param name="content">内容</param>
/// <param name="ModuleSize">大小（数值*25px）</param>
/// <returns>二维码图片</returns>
public Bitmap GetQRCode(string content, int ModuleSize)
{
Bitmap bitmap = null;
try
{
//生成二维码
using (MemoryStream ms = new MemoryStream())
{
ErrorCorrectionLevel Ecl = ErrorCorrectionLevel.M; //误差校正水平
string Content = content; //待编码内容
QuietZoneModules QuietZones = QuietZoneModules.Two; //空白区域
var encoder = new QrEncoder(Ecl);
QrCode qr;
if (encoder.TryEncode(Content, out qr))//对内容进行编码，并保存生成的矩阵
{
var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));
render.WriteToStream(qr.Matrix, ImageFormat.Png, ms);
}
bitmap = new Bitmap(ms);
}
}
catch (Exception e)
{
throw e;
}
return(bitmap);
}
private void button1_Click(object sender, EventArgs e)
{
/// generar un codigo QR para los elementos de la caja
// crear un encoder, codificador
QrEncoder Codificador = new QrEncoder(ErrorCorrectionLevel.H);
// crear un codigo QR
QrCode Codigo = new QrCode();
// generar generar un codigo apartir de datos, y pasar el codigo por referencia
Codificador.TryEncode(textBox1.Text, out Codigo);
// generar un graficador
GraphicsRenderer Renderisado = new GraphicsRenderer(new FixedCodeSize(200, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
// generar un flujo de datos
MemoryStream ms = new MemoryStream();
// escribir datos en el renderizado
Renderisado.WriteToStream(Codigo.Matrix, ImageFormat.Png, ms);
// generar controles para ponerlos en el form
var ImagenQR = new Bitmap(ms);
var ImgenSalida = new Bitmap(ImagenQR, new Size(panel1.Width, panel1.Height));
// asignar la imagen al panel
panel1.BackgroundImage = ImgenSalida;
}
//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");
}
/// <summary>
/// 获取二维码
/// </summary>
/// <param name="strContent">待编码的字符</param>
/// <param name="ms">输出流</param>
///<returns>True if the encoding succeeded, false if the content is empty or too large to fit in a QR code</returns>
public static bool GetQRCode(string strContent, MemoryStream ms)
{
try
{
ErrorCorrectionLevel Ecl = ErrorCorrectionLevel.M; //误差校正水平
string Content = strContent; //待编码内容
QuietZoneModules QuietZones = QuietZoneModules.Two; //空白区域
int ModuleSize = 12; //大小
var encoder = new QrEncoder(Ecl);
QrCode qr;
if (encoder.TryEncode(Content, out qr))//对内容进行编码，并保存生成的矩阵
{
var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));
render.WriteToStream(qr.Matrix, ImageFormat.Png, ms);
}
else
{
return(false);
}
return(true);
}
catch
{
return(false);
}
}
public byte[] Generator(string codeString, int size)
{
this.qrCodeSize = size;
this.qrCodeString = codeString;
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
Gma.QrCodeNet.Encoding.QrCode qrCode = new Gma.QrCodeNet.Encoding.QrCode();
qrEncoder.TryEncode(QrCodeString, out qrCode);
var renderer = new GraphicsRenderer(new FixedCodeSize(QrCodeSize, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream stream = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
byte[] qrCodeBuffer = null;
try
{
qrCodeBuffer = stream.ToBuffer();
}
catch (Exception exception)
{
SimpleConsole.WriteLine("Generator qr code fail. exception message:" + exception.Message);
}
return(qrCodeBuffer);
}
static void Main(string[] args)
{
String Folio_val = args[0];
string path = Directory.GetCurrentDirectory();
// String Folio_val = "https://www.google.com";
// String Direccion = "http://rppccolimaevidencias.col.gob.mx:8182/evidencia/Certi2?Secuence=" + Folio_val;
String Direccion = Folio_val;
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(Direccion, out qrCode);
GraphicsRenderer render = new GraphicsRenderer(new FixedModuleSize(400, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
render.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg, ms);
var imagenTemporal = new Bitmap(ms);
var imagen = new Bitmap(imagenTemporal, new Size(new Point(200, 200)));
imagen.Save(@path + "\\codigo.jpeg", ImageFormat.Jpeg);
using (Document doc = new Document(PageSize.LETTER, 30f, 20f, 50f, 40f))
{
PdfWriter writer = PdfWriter.GetInstance(doc, new FileStream(@path + "\\prueba.pdf", FileMode.Create));
writer.PageEvent = new HeaderFooter();
doc.Open();
iTextSharp.text.Image img = iTextSharp.text.Image.GetInstance(@path + "\\codigo.jpeg");
iTextSharp.text.Font _standardFont = new iTextSharp.text.Font(iTextSharp.text.Font.FontFamily.HELVETICA, 8, iTextSharp.text.Font.NORMAL, BaseColor.BLACK);
img.SetAbsolutePosition(500, 700);
img.ScaleToFit(50f, 50F);
doc.Add(img);
doc.Close();
writer.Close();
}
Console.WriteLine(Folio_val);
}
/// <summary>
/// 生成二维码图片
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_Click(object sender, EventArgs e)
{
List <string> list = new List <string>()
{
"TK101", "TK102", "TK103", "TK104",
"TK201", "TK202", "TK203", "TK204", "TK205", "TK206", "TK207", "TK208", "TK209", "TK210", "TK211", "TK212", "TK213", "TK214",
"TK301", "TK302", "TK303", "TK304",
"TK401", "TK402", "TK403", "TK404", "TK405", "TK406", "TK407", "TK408", "TK409", "TK410", "TK411", "TK412", "TK413", "TK414",
};
foreach (string str in list)
{
string Content = str;
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(Content, out qrCode);
using (MemoryStream ms = new MemoryStream())
{
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(18, QuietZoneModules.Two), Brushes.White, Brushes.MidnightBlue);
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg, ms);
Image image = Image.FromStream(ms);
image.Save(str + ".jpg");
}
}
}
static void Main(string[] args)
{
QrEncoder qr = new QrEncoder(ErrorCorrectionLevel.M);
QrCode myQrCode = new QrCode();
bool isSuccess = qr.TryEncode("This is a test", out myQrCode);
if (isSuccess == true)
{
Console.WriteLine($"QrCode Matrix Height:{myQrCode.Matrix.Height}, Wide={myQrCode.Matrix.Width}");
int qrsize = myQrCode.Matrix.Width;
if (qrsize < 600)
{
qrsize = 600;
}
else
{
qrsize += 600;
}
ImageFormat imageFormat = ImageFormat.Png;
GraphicsRenderer qrRender = new GraphicsRenderer(
new FixedCodeSize(qrsize, QuietZoneModules.Two));
FileStream imgFile = new FileStream($".\\abc3.{imageFormat}", FileMode.Create);
qrRender.WriteToStream(myQrCode.Matrix, imageFormat, imgFile);
imgFile.Close();
}
}
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();
}
/// <summary>
/// Méthode retournant un objet d'image Bitmap d'un code QR
/// </summary>
/// <param name="text">Le texte à encoder</param>
/// <param name="errorCorrection">Le niveau de correction d'erreur choisi. Détermine le pourcentage de la structure du codeQR est utilisé pour corriger les erreurs.</param>
/// <returns>Objet BitmapImage du codeQR</returns>
public static BitmapImage getQrBitmap(string text, ErrorCorrectionLevel errorCorrection = ErrorCorrectionLevel.M)
{
QrCode qrCode;
QrEncoder qrEncoder = new QrEncoder(errorCorrection);
//Peut techniquement échouer et le cas n'est pas géré.
qrEncoder.TryEncode(text, out qrCode);
//Détermine l'épaisseur des traits, la couleur de fond et la couleur du code QR.
GraphicsRenderer gRenderer = new GraphicsRenderer(
new FixedModuleSize(2, QuietZoneModules.Two),
Brushes.Black, Brushes.White);
BitmapImage bi = new BitmapImage();
using (MemoryStream memoryStream = new MemoryStream())
{
//Utilise les bytes du codeQR encodé qui se trouve dans l'objet qrCode dans un MemoryStream pour faire une BitmapImage.
gRenderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, memoryStream);
bi.BeginInit();
bi.CacheOption = BitmapCacheOption.OnLoad;
bi.StreamSource = memoryStream;
bi.EndInit();
}
return(bi);
}
/// <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 btnConsultarLibro_Click(object sender, EventArgs e)
{
clsInventario objConsultaLibro = new clsInventario();
objConsultaLibro.CodigoLibro = txtCodLibro.Text;
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(txtCodLibro.Text, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(150, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();//Crear memoria de conjunto de datos, para almacenar el cod qr
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
var imageTemporal = new Bitmap(ms);
var imagen = new Bitmap(imageTemporal, new Size(new Point(150, 150)));//
panelResultado.BackgroundImage = imagen;
imagen.Save("QR.png", ImageFormat.Png);
btnImprimir.Enabled = true;
objConsultaLibro.consultarLibro(GridViewLibros);
if (txtCodLibro.Text == "")
{
objConsultaLibro.cargarInventario(GridViewLibros);
}
txtCodLibro.Clear();
}
public SaveIamge CreateQR(string helpId)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
string url = ConfigurationManager.AppSettings["imgMapPath"] + "WxOrder/HelpClass?helpId=" + helpId;
//string url = CommonHelper.GetRedirect("WxOrder%2fHelpClass?helpId=" + helpId);
qrEncoder.TryEncode(url, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(3, QuietZoneModules.Two), Brushes.Black, Brushes.White);
string filename = string.Format("{0}.png", helpId);
string saveUrl = "/Images/QR/";
string filePath = Path.Combine(HttpContext.Server.MapPath(saveUrl), filename);
using (MemoryStream ms = new MemoryStream())
{
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
Image img = Image.FromStream(ms);
img.Save(filePath);
}
string showImg = CommonHelper.LinkImageUrl(saveUrl);
SaveIamge model = new SaveIamge()
{
filename = filename,
showImg = HttpContext.Server.MapPath(saveUrl)
};
return(model);
}
/// <summary>
/// 显示二维码
/// </summary>
/// <returns></returns>
public void ShowQrCode()
{
try
{
string code = Request["code"];
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(code, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two),
Brushes.Black, Brushes.White);
using (MemoryStream ms = new MemoryStream())
{
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
Image img = Image.FromStream(ms);
img.Save(Response.OutputStream, ImageFormat.Jpeg);
}
}
catch (Exception ex)
{
throw;
}
}
private void exportarDatos_Click(object sender, RoutedEventArgs e)
{
String textExport = "1111" + "[N]" + Properties.Settings.Default.nombre + "[N]" +
"[A]" + Properties.Settings.Default.apellidos + "[A]" +
"[AN]" + Properties.Settings.Default.añoNacimiento + "[AN]" +
"[P]" + Properties.Settings.Default.peso + "[P]" +
"[PRA]" + Properties.Settings.Default.pruebaReflejosAciertos + "[PRA]" +
"[PRF]" + Properties.Settings.Default.pruebaReflejosFallos + "[PRF]" +
"[D]" + Properties.Settings.Default.Daltonico + "[D]" +
"[M]" + Properties.Settings.Default.tipoMovilidad + "[M]";
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(textExport, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), System.Drawing.Brushes.Black, System.Drawing.Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
var imageTemporal = new Bitmap(ms);
var image = new Bitmap(imageTemporal, new System.Drawing.Size(new System.Drawing.Point(600, 600)));
SaveFileDialog sv = new SaveFileDialog();
sv.Filter = "Image PNG (*.png)|*.png";
sv.ShowDialog();
if (!string.IsNullOrEmpty(sv.FileName))
{
image.Save(sv.FileName, ImageFormat.Png);
}
image.Dispose();
}
//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();
}
}
/// <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);
}
private void frmRepLibros_QR_Load(object sender, EventArgs e)
{
List <Libros> Lista_L = new List <Libros>();
foreach (Libros item in Lista)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(item.Id.ToString(), out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(400, QuietZoneModules.Zero), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
var imageTemporal = new Bitmap(ms);
var imagen = new Bitmap(imageTemporal, new Size(new Point(145, 125)));
ImageConverter converter = new ImageConverter();
item.Codigo = (byte[])converter.ConvertTo(imagen, typeof(byte[]));
Lista_L.Add(item);
}
reportViewer1.LocalReport.DataSources.Clear();
reportViewer1.LocalReport.DataSources.Add(new Microsoft.Reporting.WinForms.ReportDataSource("dsLibros_QR", Lista_L));
this.reportViewer1.RefreshReport();
}
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);
}
