protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
var content = WebUtility.GetRequestStr("s", "");
if (!content.StartsWith("http"))
content = string.Format("http://{0}:{1}{2}", Request.Url.Host, Request.Url.Port, HttpUtility.UrlDecode(content));
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
if (qrEncoder.TryEncode(content, out qrCode))
{
var fCodeSize = new FixedCodeSize(500, QuietZoneModules.Two);
fCodeSize.QuietZoneModules = QuietZoneModules.Four;
GraphicsRenderer renderer = new GraphicsRenderer(fCodeSize, Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
Response.Cache.SetNoStore();
Response.ClearContent();
Response.ContentType = "image/Png";
Response.BinaryWrite(ms.ToArray());
}
}
}
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;
}
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());
}
public HttpResponseMessage QrCode(string id)
{
if (id == null) throw new ArgumentNullException("id");
if (!ValidUserIdRegex.IsMatch(id))
{
return new HttpResponseMessage(HttpStatusCode.BadRequest);
}
const int MODULE_SIZE = 12;
GraphicsRenderer renderer =
new GraphicsRenderer(new FixedModuleSize(MODULE_SIZE, QuietZoneModules.Zero));
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.L);
string content = id;
QrCode qrCode = qrEncoder.Encode(content);
MemoryStream rendered = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Gif, rendered);
HttpResponseMessage responseMessage = new HttpResponseMessage(HttpStatusCode.OK);
responseMessage.Content = new ByteArrayContent(rendered.ToArray());
responseMessage.Content.Headers.ContentType = new MediaTypeHeaderValue("image/gif");
return responseMessage;
}
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 Render(byte[] data, string fileName)
{
encoder.ErrorCorrectionLevel = Settings.ErrorCorrectionLevel;
var qrCode = encoder.Encode(data);
var renderer = new GraphicsRenderer(new FixedCodeSize(Settings.Size, QuietZoneModules.Zero), Settings.Background, Settings.Foreground);
using (var file = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, file);
}
private void button1_Click(object sender, EventArgs e)
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = @"PNG (*.png)|*.png|Bitmap (*.bmp)|*.bmp|Encapsuled PostScript (*.eps)|*.eps|SVG (*.svg)|*.svg";
saveFileDialog.FileName = Path.GetFileName(GetFileNameProposal());
saveFileDialog.DefaultExt = "png";
if (saveFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
QrEncoder encoder = new QrEncoder();
QrCode qrCode;
byte[] byteArray = new byte[] { 34, 54, 90, 200 };
if (!encoder.TryEncode(byteArray, out qrCode))
return;
if (saveFileDialog.FileName.EndsWith("eps"))
{
BitMatrix matrix = qrCode.Matrix;
// Initialize the EPS renderer
var renderer = new EncapsulatedPostScriptRenderer(
new FixedModuleSize(6, QuietZoneModules.Two), // Modules size is 6/72th inch (72 points = 1 inch)
new FormColor(Color.Black), new FormColor(Color.White));
using (var file = File.Open(saveFileDialog.FileName, FileMode.CreateNew))
{
renderer.WriteToStream(matrix, file);
}
}
else if (saveFileDialog.FileName.EndsWith("svg"))
{
BitMatrix matrix = qrCode.Matrix;
// Initialize the EPS renderer
var renderer = new SVGRenderer(
new FixedModuleSize(6, QuietZoneModules.Two), // Modules size is 6/72th inch (72 points = 1 inch)
new FormColor(Color.FromArgb(150, 200, 200, 210)), new FormColor(Color.FromArgb(200, 255, 155, 0)));
using (var file = File.OpenWrite(saveFileDialog.FileName))
{
renderer.WriteToStream(matrix, file, false);
}
}
else
{
GraphicsRenderer gRender = new GraphicsRenderer(new FixedModuleSize(30, QuietZoneModules.Four));
BitMatrix matrix = qrCode.Matrix;
using (FileStream stream = new FileStream(saveFileDialog.FileName, FileMode.Create))
{
gRender.WriteToStream(matrix, ImageFormat.Png, stream, new Point(600, 600));
}
}
}
public static void RunSample3()
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = qrEncoder.Encode("Hello World!");
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
using (FileStream stream = new FileStream(@"c:\temp\HelloWorld.png", FileMode.Create))
{
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
}
}
public ActionResult QR(string id)
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.L);
QrCode qrCode;
encoder.TryEncode("http://mobiledev.scrzjh.com:9999/l?id=" + id.ToString(), out qrCode);
MemoryStream ms = new MemoryStream();
var render = new GraphicsRenderer(new FixedModuleSize(8, QuietZoneModules.Two));
render.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
return File(ms.GetBuffer(), "image/png");
}
public string generarQR(string codigo)
{
var qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
var qrCode = qrEncoder.Encode(codigo);
var renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
string path = AppDomain.CurrentDomain.BaseDirectory + "tmp\\"+ codigo +"QR.png";
using (var stream = new FileStream(path, FileMode.Create))
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
return codigo+"QR.png";
}
public Image GenerateQRCode(QRCodeParameters param)
{
if (param == null) throw new ArgumentNullException();
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.L);
QrCode qrCode = encoder.Encode(param.Text);
GraphicsRenderer gRenderer = new GraphicsRenderer(new FixedModuleSize(param.Size, QuietZoneModules.Two), Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
gRenderer.WriteToStream(qrCode.Matrix, param.ImageFormat, ms);
return Image.FromStream(ms);
}
private void tsmiCopy_Click(object sender, EventArgs e)
{
GraphicsRenderer gRender = new GraphicsRenderer(new FixedModuleSize(30, QuietZoneModules.Four));
BitMatrix matrix = qrMain.GetQrMatrix();
using (MemoryStream stream = new MemoryStream())
{
gRender.WriteToStream(matrix, ImageFormat.Png, stream, new Point(600, 600));
using (Image img = Image.FromStream(stream))
{
ClipboardHelpers.CopyImage(img);
}
}
}
/// <summary>
/// Qr Code generation
/// </summary>
/// <param name="barcodeText"></param>
/// <returns></returns>
public ActionResult BarcodeImage(String barcodeText)
{
// generating a barcode here. Code is taken from QrCode.Net library
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(barcodeText, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(4, QuietZoneModules.Four), Brushes.Black, Brushes.White);
Stream memoryStream = new MemoryStream();
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, memoryStream);
// very important to reset memory stream to a starting position, otherwise you would get 0 bytes returned
memoryStream.Position = 0;
var resultStream = new FileStreamResult(memoryStream, "image/png");
resultStream.FileDownloadName = String.Format("{0}.png", barcodeText);
return resultStream;
}
/// <summary>
/// Generates an img tag with a data uri encoded image of the QR code from the content given.
/// </summary>
/// <param name="html"></param>
/// <param name="content"></param>
/// <returns></returns>
public static IHtmlString QRCode(this HtmlHelper html, string content)
{
QrEncoder enc = new QrEncoder(ErrorCorrectionLevel.H);
var code = enc.Encode(content);
GraphicsRenderer r = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
using (MemoryStream ms = new MemoryStream())
{
r.WriteToStream(code.Matrix, ImageFormat.Png, ms);
byte[] image = ms.ToArray();
//otpauth://totp/MY_APP_LABEL?secret={0}
return html.Raw(string.Format(@"<img src=""data:image/png;base64,{0}"" alt=""{1}"" />", Convert.ToBase64String(image), content));
}
}
private bool GenCode(string content, out MemoryStream ms)
{
ms = new MemoryStream();
ErrorCorrectionLevel ecl = ErrorCorrectionLevel.M;//误差水平
QuietZoneModules qzm = QuietZoneModules.Two;
int moduleSize = 12;
QrEncoder 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, qzm));
render.WriteToStream(qr.Matrix, ImageFormat.Jpeg, ms);
return true;
}
return false;
}
public ActionResult BarcodeImage(String barcodeText)
{
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(barcodeText, out qrCode);
GraphicsRenderer 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");
resultStream.FileDownloadName = String.Format("{0}.png", barcodeText);
return resultStream;
}
private void btnShowQRCode_Click(object sender, EventArgs e)
{
var qrGenerator = new QrEncoder();
var qrCode = qrGenerator.Encode(_password);
var gRenderer = new GraphicsRenderer(
new FixedModuleSize(6, QuietZoneModules.Two));
using (var ms = new MemoryStream())
{
gRenderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
using (pbQrCode.Image)
{
pbQrCode.Image = new Bitmap(ms);
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode;
encoder.TryEncode("Test", out qrCode);
GraphicsRenderer gRenderer = new GraphicsRenderer(
new FixedModuleSize(2, QuietZoneModules.Two),
Brushes.Black, Brushes.White);
MemoryStream ms = new MemoryStream();
gRenderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, ms);
FileStream file = new FileStream("D:\\qr.png", FileMode.OpenOrCreate);
ms.WriteTo(file);
file.Flush();
file.Close();
}
/// <summary>
/// Gets the QR code containing the data of the network component.
/// </summary>
/// <returns>The QR code image.</returns>
public Bitmap GetQRCode( )
{
QrEncoder qrEncoder = new QrEncoder( ErrorCorrectionLevel.H );
byte[ ] ipBytes = IP.GetAddressBytes( );
QrCode qrCode = qrEncoder.Encode( $"{string.Join( ",", ipBytes )},{Port}" );
const int moduleSizeInPixels = 25;
GraphicsRenderer renderer = new GraphicsRenderer( new FixedModuleSize( moduleSizeInPixels, QuietZoneModules.Two ), Brushes.Black, Brushes.White );
DrawingSize dSize = renderer.SizeCalculator.GetSize( qrCode.Matrix.Width );
Bitmap bmp = new Bitmap( dSize.CodeWidth, dSize.CodeWidth );
using ( Graphics graphics = Graphics.FromImage( bmp ) )
renderer.Draw( graphics, qrCode.Matrix );
return bmp;
}
public static bool GetQRCode(string CodeText,System.IO.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);
}
else
{
return false;
}
return true;
}
public ActionResult BarcodeImage(string secretKey, string userName)
{
string barcodeText = string.Format("otpauth://totp/Dentco%3A%20{0}?secret={1}", userName, secretKey);
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = new QrCode();
qrEncoder.TryEncode(barcodeText, out qrCode);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedCodeSize(200, QuietZoneModules.Zero), 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");
resultStream.FileDownloadName = string.Format("{0}.png", barcodeText);
return resultStream;
}
public void GenerateQrCodesForIds(string directory, IEnumerable<string> items)
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
int index = 0;
foreach (var item in items)
{
QrCode qrCode = encoder.Encode(item);
using (FileStream stream = new FileStream(string.Format("{0}\\{1}.png", directory, index), FileMode.Create))
{
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
}
index++;
}
}
public static BitmapImage getQrBitmap(string text, ErrorCorrectionLevel errorCorrection = ErrorCorrectionLevel.M)
{
QrCode qrCode;
QrEncoder qrEncoder = new QrEncoder(errorCorrection);
qrEncoder.TryEncode(text, out qrCode);
GraphicsRenderer gRenderer = new GraphicsRenderer(
new FixedModuleSize(2, QuietZoneModules.Two),
Brushes.Black, Brushes.White);
BitmapImage bi = new BitmapImage();
using (MemoryStream memoryStream = new MemoryStream())
{
gRenderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, memoryStream);
bi.BeginInit();
bi.CacheOption = BitmapCacheOption.OnLoad;
bi.StreamSource = memoryStream;
bi.EndInit();
}
return bi;
}
/// <summary>
/// 使用Gma.QrCodeNet.Encoding 组件
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
public static byte[] GetQrCode(string content)
{
QrEncoder qr = new QrEncoder();
Gma.QrCodeNet.Encoding.QrCode code; //保存生成的二维码
QuietZoneModules QuietZones = QuietZoneModules.Zero; //空白区域
int ModuleSize = 10;//大小
MemoryStream ms = new MemoryStream();
if (qr.TryEncode(content, out code))//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(code.Matrix, ImageFormat.Png, ms);//将二维码写入流
return ms.ToArray(); //返回byte[]
}
return null;
}
public static void RunSample2()
{
const string helloWorld = "Hello World!";
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode qrCode = qrEncoder.Encode(helloWorld);
const int moduleSizeInPixels = 5;
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(moduleSizeInPixels, QuietZoneModules.Two), Brushes.Black, Brushes.White);
Panel panel = new Panel();
Point padding = new Point(10, 16);
DrawingSize dSize = renderer.SizeCalculator.GetSize(qrCode.Matrix.Width);
panel.AutoSize = false;
panel.Size = new Size(dSize.CodeWidth, dSize.CodeWidth) + new Size(2*padding.X, 2*padding.Y);
using (Graphics graphics = panel.CreateGraphics())
{
renderer.Draw(graphics, qrCode.Matrix, padding);
}
}
internal static ActionResult QRCodeAction(string id)
{
try {
var encoder = new QrEncoder ();
var ms = new MemoryStream (4 * 1024);
var render = new GraphicsRenderer (new FixedCodeSize (300, QuietZoneModules.Zero));
QrCode code;
if (!encoder.TryEncode (id, out code))
return null;
render.WriteToStream (code.Matrix, ImageFormat.Png, ms, new Point (300, 300));
ms.Seek (0, SeekOrigin.Begin);
var result = new FileStreamResult (ms, "image/png");
result.FileDownloadName = string.Format ("{0}.png", id);
return result;
} catch (Exception ex) {
System.Diagnostics.Debug.WriteLine (ex);
return null;
}
}
/// <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 btnSave_Click(object sender, EventArgs e)
{
var fileName = "";
using (var saveDlg = new SaveFileDialog()) {
saveDlg.Filter = "*|*.png";
if (saveDlg.ShowDialog() != DialogResult.OK) {
return;
} else {
fileName = saveDlg.FileName;
}
}
var qrCode = qrCodeGraphicControl1.GetQrMatrix();
var sizeCal = new FixedModuleSize(12, qrCodeGraphicControl1.QuietZoneModule);
var render = new GraphicsRenderer(sizeCal);
//new FixedCodeSize(width, m_QuietZoneModule)
var memoryStream = new MemoryStream();
render.WriteToStream(qrCode, ImageFormat.Png, memoryStream);
var image = Image.FromStream(memoryStream);
image.Save(fileName);
}
private void buttonSave_Click(object sender, EventArgs e)
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = @"PNG (*.png)|*.png|Bitmap (*.bmp)|*.bmp|Encapsuled PostScript (*.eps)|*.eps|SVG (*.svg)|*.svg";
saveFileDialog.FileName = Path.GetFileName(GetFileNameProposal());
saveFileDialog.DefaultExt = "png";
if (saveFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
if (saveFileDialog.FileName.EndsWith("eps"))
{
BitMatrix matrix = qrCodeGraphicControl1.GetQrMatrix();
// Initialize the EPS renderer
var renderer = new EncapsulatedPostScriptRenderer(
new FixedModuleSize(6, QuietZoneModules.Two), // Modules size is 6/72th inch (72 points = 1 inch)
new FormColor(Color.Black), new FormColor(Color.White));
using (var file = File.Open(saveFileDialog.FileName, FileMode.CreateNew))
{
renderer.WriteToStream(matrix, file);
}
}
else if (saveFileDialog.FileName.EndsWith("svg"))
{
BitMatrix matrix = qrCodeGraphicControl1.GetQrMatrix();
// Initialize the EPS renderer
var renderer = new SVGRenderer(
new FixedModuleSize(6, QuietZoneModules.Two), // Modules size is 6/72th inch (72 points = 1 inch)
new FormColor(Color.FromArgb(150, 200, 200, 210)), new FormColor(Color.FromArgb(200, 255, 155, 0)));
using (var file = File.OpenWrite(saveFileDialog.FileName))
{
renderer.WriteToStream(matrix, file, false);
}
}
else
{
//DrawingBrushRenderer dRender = new DrawingBrushRenderer(new FixedModuleSize(5, QuietZoneModules.Four));
//BitMatrix matrix = qrCodeGraphicControl1.GetQrMatrix();
//using (FileStream stream = new FileStream(saveFileDialog.FileName, FileMode.Create))
//{
// dRender.WriteToStream(matrix, ImageFormatEnum.PNG, stream);
//}
//WriteableBitmapRenderer wRender = new WriteableBitmapRenderer(new FixedModuleSize(15, QuietZoneModules.Four));
//BitMatrix matrix = qrCodeGraphicControl1.GetQrMatrix();
//using (FileStream stream = new FileStream(saveFileDialog.FileName, FileMode.Create))
//{
// wRender.WriteToStream(matrix, ImageFormatEnum.PNG, stream);
//}
GraphicsRenderer gRender = new GraphicsRenderer(new FixedModuleSize(30, QuietZoneModules.Four));
BitMatrix matrix = qrCodeGraphicControl1.GetQrMatrix();
using (FileStream stream = new FileStream(saveFileDialog.FileName, FileMode.Create))
{
gRender.WriteToStream(matrix, ImageFormat.Png, stream, new Point(600, 600));
}
}
}
/// <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;
}
}
