mixincaptcha302::CaptchaWriter

captcha302::CaptchaWriter

CaptchaWriter Interface for captcha image writer impl.

chars: abstract Int[] chars
Which chars are used by the writer to make captcha images
create: abstract Image302 create(CaptchaCode code)
create an in memory captcha image for the given code
options: abstract Str:Obj options
Returns the implementation options
randomCode: abstract CaptchaCode randomCode()
Get a captcha code conforming to this writer spec