/// <summary>
/// Returns a barcode image
/// </summary>
/// <param name="context"></param>
public void ProcessRequest(System.Web.HttpContext context)
{
RequestSettings s = new RequestSettings();
s.Parse(context.Request.QueryString);
Stream img = _Generator.GetBarcode(s);
context.Response.ContentType = s.ContentType;
const int chunk = 1024;
byte[] buffer = new byte[chunk];
int read = img.Read(buffer, 0, chunk);
while (read == chunk)
{
context.Response.OutputStream.Write(buffer, 0, chunk);
read = img.Read(buffer, 0, chunk);
}
context.Response.OutputStream.Write(buffer, 0, read);
}
public System.IO.Stream GetBarcode(RequestSettings settings)
{
BarcodeBase b = GetBarcode(settings.BarcodeFormat);
if (!b.IsValidData(settings.Data))
throw new ArgumentException("The data is not valid for the requested barcode");
BarcodeSettings bs = b.DefaultSettings.Copy();
bs.Size = settings.Size;
bs.Scale = settings.Scale;
bs.LeftMargin = settings.LeftMargin;
bs.TopMargin = settings.TopMargin;
bs.RightMargin = settings.RightMargin;
bs.BottomMargin = settings.BottomMargin;
System.Drawing.Bitmap result = b.Generate(settings.Data, bs);
System.IO.MemoryStream resultstrm = new System.IO.MemoryStream();
result.Save(resultstrm, settings.Format);
return resultstrm;
}
