protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
var barcodeWriter = new BarcodeWriter
{
Format = ZXing.BarcodeFormat.QR_CODE,
Options = new ZXing.Common.EncodingOptions
{
Width = 300,
Height = 300,
Margin = 30
}
};
var image = barcodeWriter.Write("ZXing.Net.Mobile");
imageBarcode.Source = image;
}
public static void Demonstration()
{
BarcodeWriter writer = new BarcodeWriter();
writer.Format = BarcodeFormat.QR_CODE;
QrCodeEncodingOptions options = new QrCodeEncodingOptions();
options.DisableECI = true;
//设置内容编码
options.CharacterSet = "UTF-8";
//设置二维码的宽度和高度
options.Width = 70;
options.Height = 70;
//设置二维码的边距,单位不是固定像素
options.Margin = 1;
writer.Options = options;
using (Bitmap img = writer.Write("111111111-20C1601"))
{
img.Save($"{DateTime.Now.ToString("yyyyMMddHHmmss")}.png", ImageFormat.Png);
}
}
/// <summary>
/// 生成一维条形码
/// </summary>
/// <param name="text">内容</param>
/// <param name="height">高度</param>
/// <returns></returns>
public static Bitmap Barcode(string text, int height)
{
BarcodeWriter writer = new BarcodeWriter()
{
};
//使用ITF 格式，不能被现在常用的支付宝、微信扫出来
//如果想生成可识别的可以使用 CODE_128 格式
//writer.Format = BarcodeFormat.ITF;
writer.Format = BarcodeFormat.CODE_39;
EncodingOptions options = new EncodingOptions()
{
Height = height,
Margin = 2,
PureBarcode = true
};
writer.Options = options;
Bitmap map = writer.Write(text);
return(map);
}
/// <summary>
/// 获取二维码图片
/// </summary>
/// <param name="param">二维码参数</param>
/// <returns></returns>
private Bitmap GetBitmap(QRCodeParam param)
{
BarcodeWriter <Bitmap> bitmapBarcodeWriter = new BarcodeWriter <Bitmap>()
{
Format = BarcodeFormat.QR_CODE,
Options = new QrCodeEncodingOptions()
{
CharacterSet = "UTF-8",
ErrorCorrection = _level,
Margin = 2,
Width = param.Size,
Height = param.Size,
},
Renderer = new BitmapRenderer()
{
Foreground = Color.FromName(param.Foreground.Name),
Background = Color.FromName(param.Background.Name)
}
};
return(bitmapBarcodeWriter.Write(param.Content));
}
//轉換成Base64
public string CreateQRCode2( )
{
System.IO.MemoryStream ms = new System.IO.MemoryStream( ); //記憶流
//創建QRCode
BarcodeWriter writer = new BarcodeWriter {
Format = BarcodeFormat.QR_CODE, //條碼類型
Options = new ZXing.QrCode.QrCodeEncodingOptions {
Width = 500, //寬
Height = 500, //高
CharacterSet = "UTF-8"
}
};
System.Drawing.Bitmap bitmap = writer.Write("123"); //QRCode寫入字串
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg); //點陣圖以jpeg格式寫入到記憶流裡
byte[] arr = ms.ToArray();
return(Convert.ToBase64String(arr));
}
/// <summary>
/// 生成二维码图片
/// </summary>
/// <param name="strMessage">要生成二维码的字符串</param>
/// <param name="width">二维码图片宽度</param>
/// <param name="height">二维码图片高度</param>
/// <returns></returns>
private Bitmap GetQRCodeByZXingNet(String strMessage, Int32 width, Int32 height)
{
Bitmap result = null;
try
{
BarcodeWriter barCodeWriter = new BarcodeWriter();
barCodeWriter.Format = BarcodeFormat.QR_CODE;
barCodeWriter.Options.Hints.Add(EncodeHintType.CHARACTER_SET, "UTF-8");
barCodeWriter.Options.Hints.Add(EncodeHintType.ERROR_CORRECTION, ZXing.QrCode.Internal.ErrorCorrectionLevel.H);
barCodeWriter.Options.Height = height;
barCodeWriter.Options.Width = width;
barCodeWriter.Options.Margin = 0;
ZXing.Common.BitMatrix bm = barCodeWriter.Encode(strMessage);
result = barCodeWriter.Write(bm);
}
catch (Exception)
{
//异常输出
}
return(result);
}
/// <summary>
/// 生成二维码图片
/// </summary>
/// <param name="codeNumber">要生成二维码的字符串</param>
/// <param name="size">大小尺寸</param>
/// <returns>二维码图片</returns>
public Bitmap Create_ImgCode(string codeNumber, int size)
{
BarcodeWriter writer = new BarcodeWriter();
writer.Format = BarcodeFormat.CODE_128;
QrCodeEncodingOptions options = new QrCodeEncodingOptions();
options.PureBarcode = true;
options.DisableECI = true;
//设置内容编码
options.CharacterSet = "UTF-8";
//设置二维码的宽度和高度
options.Width = size;
options.Height = size;
//设置二维码的边距,单位不是固定像素
options.Margin = 0;
writer.Options = options;
Bitmap map = writer.Write(codeNumber);
return(map);
}
static void buildpdf(Client cl, String FileName, string text)
{
string var = cl.getdata(ref text);
var writer = new BarcodeWriter
{
Format = BarcodeFormat.AZTEC
};
using (var bitmap = writer.Write(var))
{
bitmap.Save(FileName + ".png");
}
PdfDocument doc = new PdfDocument();
PdfPage page = doc.AddPage();
XGraphics gfx = XGraphics.FromPdfPage(page);
XFont font = new XFont("Verdana", 15, XFontStyle.Bold);
XTextFormatter tf = new XTextFormatter(gfx);
XImage img = XImage.FromFile(FileName + ".png");
gfx.DrawImage(img, 200, 50, 200, 200);
img.Dispose();
XRect rect = new XRect(220, 280, 200, 100);
gfx.DrawRectangle(XBrushes.Transparent, rect);
tf.DrawString(text, font, XBrushes.Black, rect, XStringFormats.TopLeft);
gfx.DrawString("Have a nice flight", font, XBrushes.Black, 240, 400);
img = XImage.FromFile("logo.png");
gfx.DrawImage(img, 200, 420, 180, 82);
doc.Save(FileName + ".pdf");
page.Close();
img.Dispose();
gfx.Dispose();
doc.Close();
}
private void UpdateBarcodeBitmapImage()
{
BarcodeWriter writer = new BarcodeWriter();
Bitmap bitmap = null;
writer.Format = BarcodeFormat.CODE_128;
writer.Options = new ZXing.Common.EncodingOptions()
{
PureBarcode = true,
Height = 100,
Width = 280,
Margin = 10
};
try
{
bitmap = writer.Write(_barcodeContent ?? "");
}
catch { }
BarcodeBitmap = ConvertBitmapToBitmapImage(bitmap);
}
/// <summary>
/// 获取二维码图片
/// </summary>
/// <param name="content">内容</param>
/// <returns></returns>
private Bitmap GetBitmap(string content)
{
BarcodeWriter <Bitmap> bitmapBarcodeWriter = new BarcodeWriter <Bitmap>()
{
Format = BarcodeFormat.QR_CODE,
Options = new QrCodeEncodingOptions()
{
CharacterSet = "UTF-8",
ErrorCorrection = _level,
Margin = _margin,
Width = _size,
Height = _size,
},
Renderer = new BitmapRenderer()
{
Foreground = Color.FromName(_foregroundColor.Name),
Background = Color.FromName(_backgroundColor.Name)
}
};
return(bitmapBarcodeWriter.Write(content));
}
public override void draw(Graphics canvas)
{
var writer = new BarcodeWriter();
writer.Format = BarcodeFormat.QR_CODE;
writer.Options = new QrCodeEncodingOptions
{
DisableECI = true,
CharacterSet = "UTF-8",
Width = 500,
Height = 500,
};
string s = fixedText();
if (s == "")
{
s = "???";
}
Bitmap bmp = new Bitmap(writer.Write(s.Trim()));
canvas.DrawImage(bmp, X - size / 2, Y - size / 2, size, size);
}
public void Print(FlowDocument doc)
{
//var pd = new PrintDialog();
//if (pd.ShowDialog() == true)
//{
// pd.PrintDocument(((IDocumentPaginatorSource)doc).DocumentPaginator, "printing");
//}
var options = new EncodingOptions
{
Width = 250,
Height = 100,
};
var w = new BarcodeWriter
{
Options = options,
Format = BarcodeFormat.EAN_13,
};
var matr = w.Write("1000000000009");
matr.Save(@"e:\1.png", ImageFormat.Png);
}
/// <summary>
/// 使用ZxingNet生成二维码图片
/// </summary>
/// <param name="imgPath">图片路径</param>
/// <param name="codeContent">内容信息</param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="imgType">ImageFormat imgType</param>
/// <param name="BarcodeFormat barcodeFormat">barcodeFormat</param>
/// <returns></returns>
public string NewQRCodeByZxingNet(string imgPath, string codeContent, int width, int height,
ImageFormat imgType, BarcodeFormat barcodeFormat)
{
// 1.设置QR二维码的规格
QrCodeEncodingOptions code = new QrCodeEncodingOptions();
code.CharacterSet = "UTF-8"; // 设置编码格式，否则读取'中文'乱码
code.Height = height;
code.Width = width;
code.Margin = 1; // 设置周围空白边距
// 2.生成条形码图片并保存
BarcodeWriter wr = new BarcodeWriter();
wr.Format = barcodeFormat; // 二维码 BarcodeFormat.QR_CODE
wr.Options = code;
Bitmap img = wr.Write(codeContent);
img.Save(imgPath, imgType);
return(imgPath);
}
// 【生成二维码】
private void Create2DBtn_Click(object sender, EventArgs e)
{
// 1.设置QR二维码的规格
ZXing.QrCode.QrCodeEncodingOptions qrEncodeOption = new ZXing.QrCode.QrCodeEncodingOptions();
qrEncodeOption.CharacterSet = "UTF-8"; // 设置编码格式，否则读取'中文'乱码
qrEncodeOption.Height = 200;
qrEncodeOption.Width = 200;
qrEncodeOption.Margin = 1; // 设置周围空白边距
// 2.生成条形码图片并保存
ZXing.BarcodeWriter wr = new BarcodeWriter();
wr.Format = BarcodeFormat.QR_CODE; // 二维码
wr.Options = qrEncodeOption;
Bitmap img = wr.Write(this.ContentTxt.Text);
string filePath = "G:\\pics\\二维码" + "\\QR-" + this.ContentTxt.Text + ".jpg";
img.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);
// 3.读取保存的图片
this.ImgPathTxt.Text = filePath;
this.barCodeImg.Image = img;
MessageBox.Show("保存成功：" + filePath);
}
private void BtnGenerate_Click_1(object sender, EventArgs e)
{
BarcodeWriter barcodeWriter = new BarcodeWriter();
EncodingOptions encodingOptions = new EncodingOptions()
{
Width = 500,
Height = 500,
Margin = 0,
PureBarcode = false
};
encodingOptions.Hints.Add(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
barcodeWriter.Renderer = new BitmapRenderer();
barcodeWriter.Options = encodingOptions;
barcodeWriter.Format = BarcodeFormat.QR_CODE;
Bitmap bitmap = barcodeWriter.Write(textBox1.Text);
Bitmap logo = new Bitmap($"I:/Programming/C#/QR_Image/pstu.png");
Graphics g = Graphics.FromImage(bitmap);
g.DrawImage(logo, new Point((bitmap.Width - logo.Width) / 2, (bitmap.Height - logo.Height) / 2));
this.pictureBox1.Image = bitmap;
}
private void button1_Click(object sender, EventArgs e)
{
var QCwriter = new BarcodeWriter();
QCwriter.Format = BarcodeFormat.QR_CODE;
var result = QCwriter.Write(textBox1.Text);
string path = "C:/Users/Administrator/Desktop/QRimage.jpg";
var barcodeBitmap = new Bitmap(result);
using (MemoryStream memory = new MemoryStream())
{
using (FileStream fs = new FileStream(path,
FileMode.Create, FileAccess.ReadWrite))
{
barcodeBitmap.Save(memory, ImageFormat.Jpeg);
byte[] bytes = memory.ToArray();
fs.Write(bytes, 0, bytes.Length);
}
}
MessageBox.Show("QR code is generated..");
}
/// <summary>
/// 创建条形码
/// </summary>
/// <param name="contents">要生成条形码包含的信息</param>
/// <param name="barPath">生成的条形码路径</param>
/// <param name="width">条形码宽度</param>
/// <param name="height">条形码高度</param>
/// <returns>bool</returns>
public static bool CreateBar(string contents, string barPath, int width = 150, int height = 50)
{
var res = false;
try
{
if (!string.IsNullOrEmpty(contents))
{
var writer = new BarcodeWriter
{
//使用ITF 格式，不能被现在常用的支付宝、微信扫出来
//如果想生成可识别的可以使用 CODE_128 格式
//writer.Format = BarcodeFormat.ITF;
Format = BarcodeFormat.CODE_128,
Options = new EncodingOptions
{
Width = width,
Height = height,
Margin = 2
}
};
using (var bitmap = writer.Write(contents))
{
if (File.Exists(barPath))
{
File.Delete(barPath);
}
bitmap.Save(barPath);
res = true;
}
}
}
catch (Exception ex)
{
LogHelper.Error(ex, "创建条形码");
res = false;
}
return(res);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
BarcodeFormat myBarcodeFormat;
EncodingOptions myEncoding;
if (this.CodeType == 1)//二维码
{
myBarcodeFormat = BarcodeFormat.QR_CODE;
myEncoding = new QrCodeEncodingOptions()
{
Height = this.Height,
Width = this.Width,
Margin = 0,
CharacterSet = "UTF-8",
PureBarcode = !this.IsShowText
};
}
else//条形码
{
myBarcodeFormat = BarcodeFormat.CODE_128;
myEncoding = new EncodingOptions()
{
Height = this.Height,
Width = this.Width,
Margin = 0,
PureBarcode = !this.IsShowText
};
}
BarcodeWriter writer = new BarcodeWriter
{
Format = myBarcodeFormat,
Options = myEncoding,
Renderer = (IBarcodeRenderer <Bitmap>)Activator.CreateInstance(typeof(BitmapRenderer))
};
Bitmap barImg = writer.Write(this.Content);
e.Graphics.DrawImage(barImg, 0, 0, this.Width, this.Height);
}
public static void GenerateQRImage(RawImage QRCodeImage, string content, int width, int height)
{
EncodingOptions options = null;
BarcodeWriter writer = new BarcodeWriter();
options = new EncodingOptions
{
Width = width,
Height = height,
Margin = 1,
};
options.Hints.Add(EncodeHintType.CHARACTER_SET, "UTF-8");
writer.Format = BarcodeFormat.QR_CODE;
writer.Options = options;
Color32[] colors = writer.Write(content);
Texture2D texture = new Texture2D(width, height);
texture.SetPixels32(colors);
texture.Apply();
QRCodeImage.texture = texture;
}
void getBarCode(string data)
{
BarcodeWriter wr = new BarcodeWriter();
wr.Format = BarcodeFormat.CODE_93;
System.IO.MemoryStream ms = new System.IO.MemoryStream();
wr.Write(data).Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
//create directory to save the image
if (!Directory.Exists(@"C:\" + dirname))
{
Directory.CreateDirectory(@"C:\" + dirname);
}
Bitmap bmp = new Bitmap(ms);
bmp.Save(@"C:\" + dirname + "\\" + dirname + ".jpg");
//return bmp;
}
///<summary>
///生成条形码
///</summary>
///<paramname="pictureBox1"></param>
///<paramname="Contents"></param>
public void CreateBarCode(PictureBox pictureBox1, string Contents)
{
Regex rg = new Regex("^[0-9]{12}$");
if (!rg.IsMatch(Contents))
{
MessageBox.Show("本例子采用EAN_13编码，需要输入12位数字");
return;
}
EncodingOptions options = null;
BarcodeWriter writer = null;
options = new EncodingOptions
{
Width = pictureBox1.Width,
Height = pictureBox1.Height
};
writer = new BarcodeWriter();
writer.Format = BarcodeFormat.ITF;
writer.Options = options;
Bitmap bitmap = writer.Write(Contents);
pictureBox1.Image = bitmap;
}
/// <summary>
/// 生成二维码,保存成图片(CodeImage.QrCode(@"F:\qrcode.png", "123"))
/// </summary>
/// <param name="filename">生成保存的文件绝对路径</param>
/// <param name="content">二维码内容</param>
public static void QrCode(string filename, string content, int Width = 500, int Height = 500)
{
BarcodeWriter writer = new BarcodeWriter();
writer.Format = BarcodeFormat.QR_CODE;
QrCodeEncodingOptions options = new QrCodeEncodingOptions();
options.DisableECI = true;
//设置内容编码
options.CharacterSet = "UTF-8";
//设置二维码的宽度和高度
options.Width = Width;
options.Height = Height;
//设置二维码的边距,单位不是固定像素
options.Margin = 1;
writer.Options = options;
Bitmap map = writer.Write(content);
map.Save(filename, ImageFormat.Png);
map.Dispose();
}
/// <summary>
/// Формирования баркода выбранным алгоритмом
/// Кодируемые и декодированные данные передаются через аттрибуты класса
/// </summary>
public Bitmap Encode()
{
int count = Marshal.SizeOf(typeof(BinaryData));
var binaryData = new BinaryData
{
ArchiverIndex = (byte)ArchiverIndex,
MixerIndex = (byte)MixerIndex,
GammaIndex = (byte)GammaIndex,
EccIndex = (byte)EccIndex,
ExpandSize = (byte)ExpandSize,
EccCodeSize = (byte)EccCodeSize,
EccDataSize = (byte)EccDataSize,
MaximumGamma = (byte)(MaximumGamma ? 0 : -1),
};
byte[] keyBytes = Encoding.Default.GetBytes(Key);
var binaryBytes = new byte[count];
IntPtr ptr = Marshal.AllocHGlobal(binaryBytes.Length);
Marshal.StructureToPtr(binaryData, ptr, true);
Marshal.Copy(ptr, binaryBytes, 0x0, binaryBytes.Length);
Marshal.FreeHGlobal(ptr);
string text = Convert.ToBase64String(binaryBytes.Concat(keyBytes).ToArray());
switch (_barcodeId)
{
case 0:
throw new ArgumentNullException();
default:
var writer = new BarcodeWriter
{
Format = (BarcodeFormat)_barcodeId,
};
Bitmap result = writer.Write(text);
using (var image = new Image <Gray, Byte>(result))
return(_bitmap = image.Bitmap);
}
}
/// <summary>
/// Genera un codigo de barras a partir de la data especificada y lo guarda como imagen en formato .png
/// </summary>
/// <param name="data">Los datos que se van a codificar.</param>
/// <param name="fullPathDirectory">El directorio de salida de la imagen.</param>
/// <returns>Devuelve un número entero positivo o negativo.</returns>
public int GenerateBarCodeAsPNG(string data, string fullPathDirectory, bool rotate)
{
try
{
var directory = fullPathDirectory.Substring(fullPathDirectory.Length - 1, 1) != "\\" ? fullPathDirectory = fullPathDirectory + "\\" : fullPathDirectory;
string fileName = $"{directory}barCode.png";
var barCode = BarcodeWriter.CreateBarcode(data, BarcodeEncoding.Code128);
var result = barCode.SaveAsPng(fileName);
if (rotate)
{
DocumentProcessor.RotateImage(result.ToBitmap(), fileName);
}
return((int)TypesEvent.SuccessProccess);
}
catch (IronBarCodeEncodingException encex)
{
var message = encex.Message;
if (message.Contains("Bad character in input"))
{
return((int)TypesEvent.BadCharacter);
}
else if (message.Contains("Contents length should be between 1 and 80 characters"))
{
return((int)TypesEvent.ContentLength);
}
else
{
return((int)TypesEvent.ErrorGeneric);
}
}
catch (Exception)
{
return((int)TypesEvent.ErrorGeneric);
}
}
private void renderQR(String text)
{
Renderer = typeof(BitmapRenderer);
try
{
var writer = new BarcodeWriter
{
Format = BarcodeFormat.QR_CODE,
Options = new ZXing.Common.EncodingOptions
{
Height = qrBox.Height,
Width = qrBox.Width
},
Renderer = (IBarcodeRenderer <Bitmap>)Activator.CreateInstance(Renderer)
};
qrBox.Image = writer.Write(text);
}
catch (Exception exc)
{
MessageBox.Show(this, exc.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public static IHtmlString GenerateQrCode(this HtmlHelper html, string url, string alt = "QR code", int height = 100, int width = 100, int margin = 0)
{
var qrWriter = new BarcodeWriter();
qrWriter.Format = BarcodeFormat.QR_CODE;
qrWriter.Options = new EncodingOptions()
{
Height = height, Width = width, Margin = margin
};
using (var q = qrWriter.Write(url))
{
using (var ms = new MemoryStream())
{
q.Save(ms, ImageFormat.Png);
var img = new TagBuilder("img");
img.Attributes.Add("src", String.Format("data:image/png;base64,{0}", Convert.ToBase64String(ms.ToArray())));
img.Attributes.Add("alt", alt);
return(MvcHtmlString.Create(img.ToString(TagRenderMode.SelfClosing)));
}
}
}
public override bool WriteCoinToBARCode(CloudCoin cloudCoin, string OutputFile, string tag)
{
var writer = new BarcodeWriter
{
Format = BarcodeFormat.PDF_417,
Options = new EncodingOptions {
Width = 200, Height = 50
} //optional
};
cloudCoin.pan = null;
var coinJson = JsonConvert.SerializeObject(cloudCoin);
var imgBitmap = writer.Write(coinJson);
using (var stream = new MemoryStream())
{
imgBitmap.Save(stream, ImageFormat.Png);
stream.ToArray();
imgBitmap.Save(OutputFile);
}
return(true);
}
/// <summary>
/// 生成条形码并保存
/// </summary>
/// <param name="Content">条形码内容</param>
/// <param name="SavePath">存储路径</param>
/// <param name="ImageFormat">生成二维码图片的格式</param>
public static void CreateBarCode(string Content, string SavePath, ImageFormat ImageFormat)
{
BarcodeWriter writer = new BarcodeWriter();
//使用ITF 格式，不能被现在常用的支付宝、微信扫出来
//如果想生成可识别的可以使用 CODE_128 格式
//writer.Format = BarcodeFormat.ITF;
writer.Format = BarcodeFormat.CODE_128;
EncodingOptions options = new EncodingOptions()
{
Width = 150,
Height = 50,
Margin = 2
};
writer.Options = options;
Bitmap map = writer.Write(Content);
map.Save(SavePath, ImageFormat);
map.Dispose();
map = null;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
NavigationItem.Title = "Generate Barcode";
var barcodeWriter = new BarcodeWriter
{
Format = ZXing.BarcodeFormat.QR_CODE,
Options = new ZXing.Common.EncodingOptions
{
Width = 280,
Height = 280
}
};
var barcode = barcodeWriter.Write("Basel AbuBaker");
imageBarcode.Image = barcode;
btnBack.TouchUpInside += BtnBack_TouchUpInside;
}
//生成条形码
private void btnEncodeBarCode_Click(object sender, EventArgs e)
{
try
{
// 1.设置条形码规格
EncodingOptions encodeOption = new EncodingOptions();
encodeOption.Height = CodeHeight; // 必须制定高度、宽度
encodeOption.Width = CodeMethod;
// 2.生成条形码图片并保存
BarcodeWriter wr = new BarcodeWriter();
wr.Options = encodeOption;
var format = BarcodeFormatHelper.GetFormat(this.cbEncodeType.SelectedItem.ToString());
wr.Format = format; // 条形码规格：EAN13规格：12（无校验位）或13位数字
BarCodeImage = wr.Write(this.txtData.Text); // 生成图片
this.barcode.BackgroundImage = BarCodeImage;
}
catch (Exception exception)
{
MessageBox.Show(exception.Message, "Exception", MessageBoxButtons.OK);
}
}
private byte[] GenerateQRCode(string qrcodeText)
{
SqlConnection con = new SqlConnection(dbc.consString);
con.Open();
var sql = string.Empty;
string folderPath = HttpContext.Current.Server.MapPath("~/content/images/");
string imagePath = HttpContext.Current.Server.MapPath("~/content/images/QrCode.png");
var barcodeWriter = new BarcodeWriter();
barcodeWriter.Format = BarcodeFormat.QR_CODE;
var result = barcodeWriter.Write(qrcodeText);
int width = 200, height = 200;
string barcodePath = imagePath;
var barcodeBitmap = new Bitmap(result, height, width);
byte[] bytes = new byte[1024];
try
{
using (MemoryStream memory = new MemoryStream())
{
using (FileStream fs = File.Create(barcodePath, 1024))
{
barcodeBitmap.Save(memory, ImageFormat.Png);
bytes = memory.ToArray();
fs.Write(bytes, 0, bytes.Length);
}
memory.Flush();
memory.Close();
}
}
catch (Exception ex)
{
}
con.Close();
return(bytes);
}
public override void ViewDidLoad ()
{
base.ViewDidLoad ();
View.BackgroundColor = UIColor.Gray;
nfloat h = 31.0f;
nfloat w = View.Bounds.Width;
usernameField = new UITextField
{
Placeholder = "Enter your username",
BorderStyle = UITextBorderStyle.RoundedRect,
Frame = new CGRect(10, 82, w - 20, h)
};
View.AddSubview(usernameField);
NavigationItem.Title = "Generate Barcode";
imageBarcode = new UIImageView (new CGRect (220, 80, View.Frame.Width - 60, View.Frame.Height - 220));
View.AddSubview (imageBarcode);
var barcodeWriter = new BarcodeWriter {
Format = ZXing.BarcodeFormat.QR_CODE,
Options = new ZXing.Common.EncodingOptions {
Width = 300,
Height = 300,
Margin = 30
}
};
var barcode = barcodeWriter.Write ("ZXing.Net.Mobile");
imageBarcode.Image = barcode;
}
public override void ViewDidLoad ()
{
base.ViewDidLoad ();
NavigationItem.Title = "Generate Barcode";
View.BackgroundColor = UIColor.White;
imageBarcode = new UIImageView (new CGRect (20, 80, View.Frame.Width - 40, View.Frame.Height - 120));
View.AddSubview (imageBarcode);
var barcodeWriter = new BarcodeWriter {
Format = ZXing.BarcodeFormat.QR_CODE,
Options = new ZXing.Common.EncodingOptions {
Width = 300,
Height = 300,
Margin = 30
}
};
var barcode = barcodeWriter.Write ("ZXing.Net.Mobile");
imageBarcode.Image = barcode;
}
public void test_Random_Encoding_Decoding_Cycles_Up_To_1000()
{
int bigEnough = 256;
byte[] data = new byte[256];
Random random = new Random(2344);
for (int i = 0; i < 1000; i++)
{
random.NextBytes(data);
//string content = "U/QcYPdz4MTR2nD2+vv88mZVnLA9/h+EGrEu3mwRIP65DlM6vLwlAwv/Ztd5LkHsio3UEJ29C1XUl0ZGRAFYv7pxPeyowjWqL5ilPZhICutvQlTePBBg+wP+ZiR2378Jp6YcB/FVRMdXKuAEGM29i41a1gKseYKpEEHpqlwRNE/Zm5bxKwL5Gv2NhxIvXOM1QNqWGwm9XC0jcvawbJprRfaRK3w3y2CKYbwEH/FwerRds2mBehhFHD5ozbgLSa1iIkIbnjBn/XV6DLpNuD08s/hCUrgx6crdSw89z/2nfxcOov2vVNuE9rbzB25e+GQBLBq/yfb1MTh3PlMhKS530w==";
string content = Convert.ToBase64String(data);
BarcodeWriter writer = new BarcodeWriter
{
Format = BarcodeFormat.QR_CODE,
Options = new EncodingOptions
{
Height = bigEnough,
Width = bigEnough
}
};
Bitmap bmp = writer.Write(content);
var reader = new BarcodeReader
{
Options = new DecodingOptions
{
PureBarcode = true,
PossibleFormats = new List<BarcodeFormat> {BarcodeFormat.QR_CODE}
}
};
var decodedResult = reader.Decode(bmp);
Assert.IsNotNull(decodedResult);
Assert.AreEqual(content, decodedResult.Text);
}
}
public PixelData ToBitmap()
{
var writer = new BarcodeWriter { Format = BarcodeFormat.EAN_8 };
return writer.Write(this);
}
public Bitmap ToBitmap(BarcodeFormat format, String content)
{
var writer = new BarcodeWriter { Format = format };
return writer.Write(content);
}
