captcha

type Captcha struct {
	SubURL           string
	URLPrefix        string
	FieldIDName      string
	FieldCaptchaName string
	StdWidth         int
	StdHeight        int
	ChallengeNums    int
	Expiration       int64
	CachePrefix      string
	// contains filtered or unexported fields
}

type Image struct {
	*image.Paletted
	// contains filtered or unexported fields
}

type Options struct {
	// Suburl path. Default is empty.
	SubURL string

	// URL prefix of getting captcha pictures. Default is "/captcha/".
	URLPrefix string

	// Hidden input element ID. Default is "captcha_id".
	FieldIDName string

	// User input value element name in request form. Default is "captcha".
	FieldCaptchaName string

	// Challenge number. Default is 6.
	ChallengeNums int

	// Captcha image width. Default is 240.
	Width int

	// Captcha image height. Default is 80.
	Height int

	// Captcha expiration time in seconds. Default is 600.
	Expiration int64

	// Cache key prefix captcha characters. Default is "captcha_".
	CachePrefix string
}