Classes

CAPTCHA's implementation
[Various accompanying utilities]

Collaboration diagram for CAPTCHA's implementation:

Classes

class  BackgroundDrawer
class  CellBackgroundDrawer
class  CircleBackgroundDrawer
class  CodeGenerator
class  Color
class  ColorArray
class  CurvedStringDrawer
class  Drawer
class  ErrorDrawer
class  InclinedStringDrawer
class  LinearStringDrawer
class  RandomLinesBackgroundDrawer
class  TextDrawer
class  TuringImage
class  WavesBackgroundDrawer