/// <summary>
/// Renders the Captcha Image.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"></see> object that provides
/// references to the intrinsic server objects (for example, Request, Response, Session, and Server)
/// used to service HTTP requests.</param>
public void ProcessRequest(HttpContext context)
{
HttpApplication application = context.ApplicationInstance;
string encryptedCaptchaInfo = application.Request.QueryString["spec"];
CaptchaInfo captcha = CaptchaInfo.FromEncryptedString(encryptedCaptchaInfo);
string textToRender = captcha.Text;
if (string.IsNullOrEmpty(textToRender))
{
application.Response.StatusCode = 404;
application.Response.End();
}
else
{
using (var captchaImage = new CaptchaImage())
{
captchaImage.Width = captcha.Width;
captchaImage.Height = captcha.Height;
captchaImage.FontWarp = captcha.WarpFactor;
captchaImage.Font = captcha.FontFamily;
captchaImage.Text = textToRender;
captchaImage.Image.Save(application.Context.Response.OutputStream, ImageFormat.Jpeg);
}
application.Response.ContentType = "image/jpeg";
application.Response.StatusCode = 200;
application.Response.End();
}
}
/// <summary>
/// Renders the Captcha Image.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"></see> object that provides
/// references to the intrinsic server objects (for example, Request, Response, Session, and Server)
/// used to service HTTP requests.</param>
public void ProcessRequest(HttpContext context)
{
HttpApplication application = context.ApplicationInstance;
string encryptedCaptchaInfo = application.Request.QueryString["spec"];
CaptchaInfo captcha = CaptchaInfo.FromEncryptedString(encryptedCaptchaInfo);
string textToRender = captcha.Text;
if (string.IsNullOrEmpty(textToRender))
{
application.Response.StatusCode = 404;
application.Response.End();
}
else
{
using (var captchaImage = new CaptchaImage())
{
captchaImage.Width = captcha.Width;
captchaImage.Height = captcha.Height;
captchaImage.FontWarp = captcha.WarpFactor;
captchaImage.Font = captcha.FontFamily;
captchaImage.Text = textToRender;
captchaImage.Image.Save(application.Context.Response.OutputStream, ImageFormat.Jpeg);
}
application.Response.ContentType = "image/jpeg";
application.Response.StatusCode = 200;
application.Response.End();
}
}