Captcha Widget
Allows you to add a captcha to your web page (to avoid spam on a public web interface for instance). A captcha is mandatory for public web interface.
Captcha
A captcha widget has the following properties fields:
- Characters count: number of characters of your captcha (from 6 to 20). Don't forget to increase "width" field according to this number.
- Error message: message displayed to user in case the text input doesn't match captcha image.
- Width: width of captcha in pixels.
- Height: height of captcha in pixels.
- Noise: check this box if you want to have a line crossing your captcha image.
- Thickness: thickness of the "noise" line (from 1 to 10) if checked.
- Special effects: choose "None", "Shadow" or "Grid" to distort or not your captcha image.
- Tooltip: message to be displayed to the user when staying one or two seconds on the widget.
- Identifier: id of the widget. You will only need it if you want to use Javascript functions in your web page.
Border, background and color style are available for this widget in Layout tab
A captcha when included in a web interface is a mandatory field.
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