<emit source="captcha"></emit>

Provided by module: Tags: Captcha

Prepares a captcha and emits needed parameters.

<emit source='captcha'> <img src='&_.url;' height='&_.image-height;' width='&_.image-width;'/> <form> <input type='text' name='response' /> <input type='hidden' name='secret' value='&_.secret;' /> </form> </emit>

Attributes

background-color="color"

Captcha background color. If none of the "background-color" or "background-image" attributes are specified, a default background image will be used.

background-image="path"

Captcha background image. It's recommended that the image is larger than the captcha. The image offset will be randomized then. If none of the "background-color" or "background-image" attributes are specified, a default background image will be used.

color="color" (white)

Captcha text color.

font="string"

Selects which font to use. You can get a list of all available fonts by using the list fonts task in the administration interface. You can optionally specify a font size too: font='yikes! 35'

&_.image-height; (provided by Tags: Captcha)

The captcha image's height.

&_.image-width; (provided by Tags: Captcha)

The captcha image's width.

&_.secret; (provided by Tags: Captcha)

Encrypted (hashed) secret that can be sent to clients and should be used together with the captcha response for verification.

&_.url; (provided by Tags: Captcha)

URL to the captcha image.