/**
* Customise dimension of captcha image.
*
* @typedef SetDimensionOption
* @property {integer} [height=100] Height of captcha image.
* @property {integer} [width=300] Width of captcha image.
*/
exports.SetDimensionOption = {};
/**
* Captcha text options to customise text appearance and value.
*
* @typedef SetCaptchaOptions
* @property {integer} [characters=6] Length of captcha text.
* @property {string} [text="Random UpperCase string"] Text of captcha
* @property {hexCode} [color="#32cf7e"] Color of captcha text.
* @property {font} [font="Sans"] Font of captcha text.
* @property {boolean} [skew=true] Skew captcha text.
* @property {array} [colors=[]] Array of hexCode will override color property.
* @property {number} [rotate=5] Range of angle to rotate text.
* @property {number} [size=40] Size of captcha text.
* @property {float} [opacity=1] Opcaity of captcha text.
*/
exports.SetCaptchaOptions = {};
/**
* @typedef SetTraceOptions
* @property {hexCode} [color="#32cf7e"] Color of trace line.
* @property {number} [size=3] Width of trace line.
* @property {float} [opacity=1] Opacoty of trace line.
*/
exports.SetTraceOptions = {};
/**
* @typedef SetDecoyOptions
* @property {hexCode} [color="#646566"] Color of decoy characters.
* @property {font} [font="Sans"] Font of decoy characters.
* @property {number} [size=20] Size of decoy characters.
* @property {float} [opacity=0.8] Opacity of decoy characters.
*/
exports.SetDecoyOptions = {};
/**
* Default captcha customisation options.
* @type {SetCaptchaOptions}
*/
exports.defaultCaptchaOptions = {
characters: 6,
size: 40,
font: 'Sans',
skew: true,
colors: [],
rotate: 5,
color: '#32cf7e',
opacity: 0.8,
};
/**
* Default trace line options.
* @type {SetTraceOptions}
*/
exports.defaultTraceOptions = {
size: 3,
color: '#32cf7e',
opacity: 1,
};
/**
* Default Decoy Options
* @type {SetDecoyOptions}
*/
exports.defaultDecoyOptions = {
color: '#646566',
font: 'Sans',
size: 20,
opacity: 0.8,
};Source