A fork from ccap.
More simple to set additional parameters.
$ npm install ccap-dev-
textLen
Length of captcha text.
Default to 6.
-
noiseType
Type of additive noise. 0: Gaussian 1: Uniform 2: Salt and Pepper 3: Poisson 4: Rician
Default to 2.
-
noiseSigma
Amplitude of the random additive noise.
Default to 1.
You can define captcha like this:
var ccap = require('ccap-dev')({
width: 120,
height: 36,
offset: 24,
quality: 100,
fontSize: 24,
textLen: 5,
noiseType: 2,
noiseSigma: 1
});More usages: ccap
MIT