/// <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, string savePath)
{
var ms = new MemoryStream();
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
{
try
{
using (var stream = new FileStream(savePath, FileMode.Create))
{
var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));
render.WriteToStream(qr.Matrix, System.Drawing.Imaging.ImageFormat.Png, stream);
}
}
catch (Exception ex)
{
return(false);
}
}
else
{
return(false);
}
return(true);
}
/// <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 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>
/// 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);
}
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();
}
}
}
}
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);
}
public static MemoryStream GenQrCode(string content, int size, Image logo)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.L);
QrCode qrCode;
qrEncoder.TryEncode(content, out qrCode);
GraphicsRenderer render = new GraphicsRenderer(new FixedCodeSize(size, QuietZoneModules.Two), Brushes.Black, Brushes.Transparent);
MemoryStream ms = new MemoryStream();
Bitmap bitmap = new Bitmap(size, size);
Graphics graphics = Graphics.FromImage(bitmap);
graphics.Clear(System.Drawing.Color.White);
render.Draw(graphics, qrCode.Matrix);
//计算画框的宽度高度以及位置
float rectWidth = logo.Width;
float rectHeight = logo.Height;
float rectX = (size - logo.Width) / 2;
float rectY = (size - logo.Height) / 2;
//加上水印
graphics.DrawImage(logo, rectX, rectY, rectWidth, rectHeight);
bitmap.Save(ms, ImageFormat.Jpeg);
return(ms);
}
private static WriteableBitmap RenderQrcodeImage(string data)
{
try
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode;
encoder.TryEncode(data, out qrCode);
WriteableBitmapRenderer wRenderer = new WriteableBitmapRenderer(new FixedModuleSize(2, QuietZoneModules.Two), Colors.Black, Colors.White);
WriteableBitmap wBitmap = new WriteableBitmap(70, 70, 96, 96, PixelFormats.Gray8, null);
wRenderer.Draw(wBitmap, qrCode.Matrix);
return(wBitmap);
}
catch (Exception)
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode;
encoder.TryEncode("test", out qrCode);
WriteableBitmapRenderer wRenderer = new WriteableBitmapRenderer(new FixedModuleSize(2, QuietZoneModules.Two), Colors.Black, Colors.White);
WriteableBitmap wBitmap = new WriteableBitmap(70, 70, 96, 96, PixelFormats.Gray8, null);
wRenderer.Draw(wBitmap, qrCode.Matrix);
return(wBitmap);
}
}
/// <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);
}
/// <summary>
/// 生成二维码
/// </summary>
/// <param name="content">内容</param>
/// <param name="filePath">保存文件路径</param>
/// <param name="errorMessage">错误异常消息</param>
/// <returns></returns>
public static bool Generate(string content, string filePath, out string errorMessage)
{
errorMessage = string.Empty;
var qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
try
{
QrCode qrCode;
qrEncoder.TryEncode(content, out qrCode);
var renderer = new Renderer(5, Brushes.Black, Brushes.White);
if (!Directory.Exists(Path.GetDirectoryName(filePath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(filePath));
}
else
{
FileInfo fileInfo = new FileInfo(filePath);
if (fileInfo.Exists)
{
fileInfo.Delete();
}
}
renderer.CreateImageFile(qrCode.Matrix, filePath, ImageFormat.Png);
return(true);
}
catch (Exception ex)
{
errorMessage = ex.Message;
return(false);
}
}
/// 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;
}
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);
}
/// <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
{
//误差校正水平
ErrorCorrectionLevel Ecl = ErrorCorrectionLevel.M;
//待编码内容
string Content = strContent;
//空白区域
QuietZoneModules QuietZones = QuietZoneModules.Two;
//大小
int ModuleSize = 7;
var encoder = new QrEncoder(Ecl);
QrCode qr;
//对内容进行编码，并保存生成的矩阵
if (encoder.TryEncode(Content, out qr))
{
var render = new GraphicsRenderer(new FixedModuleSize(ModuleSize, QuietZones));
render.WriteToStream(qr.Matrix, ImageFormat.Png, ms);
}
else
{
return(false);
}
}
catch (Exception ex)
{
LogHelper.Error(ex);
}
finally
{
}
return(true);
}
/// <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);
}
}
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());
}
StreamGeometry CreateQrCode(string qrContent)
{
try
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(qrContent, out qrCode);
//StreamGeometry geometry = PathRender.DrawEllipseGeometry(qrCode.Matrix, 1, 1, false);
//drawing1.Geometry = geometry;
//double w = geometry.Bounds.Width / 4;
//double h = geometry.Bounds.Height / 4;
//double x = geometry.Bounds.Width / 2 - w / 2;
//double y = geometry.Bounds.Height / 2 - h / 2;
//drawIcon1.Rect = new Rect(x, y, w, h);
var geometry = PathRender.DrawRectGeometry(qrCode.Matrix, 1, 1, false);
//qrDrawing.Geometry = geometry;
return(geometry);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
return(null);
}
/// <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));
}
}
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 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);
}
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);
}
}
/// <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");
}
}
}
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();
}
Bitmap ComputeQRCode(int slice)
{
var qrEncoder = new QrEncoder(FErrorCorrectionLevel[slice]);
var qrCode = new QrCode();
if (qrEncoder.TryEncode(FText[slice], out qrCode))
{
using (var fore = new SolidBrush(FForeColor[slice].Color))
using (var back = new SolidBrush(FBackColor[slice].Color))
{
var renderer = new GraphicsRenderer(new FixedModuleSize(FPixelSize[slice], FQuietZoneModules[slice]), fore, back);
DrawingSize dSize = renderer.SizeCalculator.GetSize(qrCode.Matrix.Width);
var bmp = new Bitmap(dSize.CodeWidth, dSize.CodeWidth);
using (var g = Graphics.FromImage(bmp))
renderer.Draw(g, qrCode.Matrix);
return(bmp);
}
}
else
{
return(null);
}
}
/// <summary>
/// Prints a QR Code on the console output.
/// </summary>
/// <param name="URI">URI to encode.</param>
public static void PrintQRCode(string URI)
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
if (encoder.TryEncode(URI, out QrCode qrCode))
{
ConsoleColor Bak = Console.BackgroundColor;
BitMatrix Matrix = qrCode.Matrix;
int w = Matrix.Width;
int h = Matrix.Height;
int x, y;
for (y = -3; y < h + 3; y++)
{
for (x = -3; x < w + 3; x++)
{
if (x >= 0 && x < w && y >= 0 && y < h && Matrix[x, y])
{
Console.BackgroundColor = ConsoleColor.Black;
Console.Out.Write(" ");
}
else
{
Console.BackgroundColor = ConsoleColor.White;
Console.Out.Write(" ");
}
}
Console.Out.WriteLine();
}
Console.BackgroundColor = Bak;
}
}
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);
}
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 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();
}
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();
}
protected void GenerateQRCode()
{
if (_borderQRCode == null || _qrCodeRect == null)
{
return;
}
if (string.IsNullOrWhiteSpace(ItemURL))
{
_borderQRCode.Visibility = Visibility.Collapsed;
return;
}
try
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode;
if (encoder.TryEncode(ItemURL, out qrCode))
{
DrawingBrushRenderer dRenderer = new DrawingBrushRenderer(new FixedModuleSize(2, QuietZoneModules.Two), System.Windows.Media.Brushes.Black, System.Windows.Media.Brushes.White);
System.Windows.Media.DrawingBrush dBrush = dRenderer.DrawBrush(qrCode.Matrix);
_qrCodeRect.Fill = dBrush;
_borderQRCode.Visibility = System.Windows.Visibility.Visible;
}
else
{
_borderQRCode.Visibility = System.Windows.Visibility.Collapsed;
}
}
catch
{
_borderQRCode.Visibility = System.Windows.Visibility.Collapsed;
}
}
