ASP.NET web application - Simple Image Editor

• Single wep page
  
• Editor has to make available following functionality:
  • loading image from the client computer
  • in case of incorrect file format alert should be shown to user
    
  • adding text to image, following parameters can be specified
    • text
    • color - hexadecimal format RRGGBB
    • position - at the top or the bottom of the image
  • image can be downloaded in selected format - PNG or JPEG, with the specified name
    
  • when no image has been loaded the default one should be provided, e.g.
    
    no download is available then

• Hints:
  • HttpImputFile.PostedFile
  • ClientScript.RegisterStartupScript(), alert()
  • IHttpHandler, IReadOnlySessionState
  • HttpResponse.AddHeader("Content-Disposition", "attachment; filename=File_Name.Ext");

• Approximate points:
  • image loading & displaying: 2.0
  • error alert: 1.0
  • default image: 1.0
  • adding text: 3.5
  • image download: 2.5

• Links for uploading:
  • solutions
  • corrections