ImageCaptcha()

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Creates a captcha image

Requires Extension: Image Extension for Jakarta EE (Lucee 7+)

ImageCaptcha( text=string, height=numeric, width=numeric, difficulty=string, fonts=any, fontsize=numeric, fontcolor=string );

Returns: any

Argument Description Default
text
string, required 		edit

Text in the captcha.
height
numeric, required 		edit

Height of the captcha.
width
numeric, required 		edit

Width of the captcha.
difficulty
string, optional 		edit

Level of complexity of the CAPTCHA text.

Specify one of the following levels of text distortion: low, medium, high

low
fonts
any, optional 		edit

One or more valid fonts to use for the CAPTCHA text, as an array or as string list (separate multiple fonts with commas). Lucee supports only the system fonts that the JDK can recognize. For example, TTF fonts in the Windows directory are supported on Windows.

Alias: font

arial
fontsize
numeric, optional 		edit

font size of the text in the CAPTCHA image.

Alias: size

24
fontcolor
string, optional 		edit

font color of the text in the CAPTCHA image.

Alias: color

black

Examples

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	imagewritetobrowser(imagecaptcha( "abcdec", 100, 300, "low"));
	imagewritetobrowser(imagecaptcha( "abcdec", 100, 300, "medium"));
	imagewritetobrowser(imagecaptcha( "abcdec", 100, 300, "high"));

See also