/// <summary>
/// Try to encode content
/// </summary>
/// <param name="content">The content.</param>
/// <param name="qrCode">The qr code.</param>
/// <returns>False if input content is empty, null or too large.</returns>
/// <remarks></remarks>
public bool TryEncode(string content, out QrCode qrCode)
{
try
{
qrCode = Encode(content);
return(true);
}
catch (InputOutOfBoundaryException)
{
qrCode = new QrCode();
return(false);
}
}
/// <summary>
/// Try to encode content
/// </summary>
/// <param name="content">The content.</param>
/// <param name="qrCode">The qr code.</param>
/// <returns>False if input content is empty, null or too large.</returns>
/// <remarks></remarks>
public bool TryEncode(string content, out QrCode qrCode)
{
try
{
qrCode = Encode(content);
return true;
}
catch (InputOutOfBoundaryException)
{
qrCode = new QrCode();
return false;
}
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"/> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"/> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
/// <remarks></remarks>
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "image/jpeg";
var text = context.Request.QueryString["Text"];
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode.Web.Encoder.QrCode qrCode = qrEncoder.Encode(text);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg, context.Response.OutputStream);
}
private void GetQrImage()
{
HttpContext.Current.Response.ContentType = "image/jpeg";
QrEncoder qrEncoder = new QrEncoder(ErrorCorrectionLevel.H);
QrCode.Web.Encoder.QrCode qrCode = qrEncoder.Encode(this.Text);
GraphicsRenderer renderer = new GraphicsRenderer(new FixedModuleSize(5, QuietZoneModules.Two), Brushes.Black, Brushes.White);
renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, HttpContext.Current.Response.OutputStream);
//using (FileStream stream = new FileStream(@"c:\temp\HelloWorld.png", FileMode.Create))
//{
// renderer.WriteToStream(qrCode.Matrix, ImageFormat.Png, stream);
// img.Save(HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
//}
//image.Save(context.Response.OutputStream, ImageFormat.Jpeg)
}
