MIT, for more details see LICENSE file.
Captcha captcha;
// simple way
captcha = new Captcha(new {
Width = 100, // image width in pixels
Height = 50, // image height in pixels
Foreground = "black", // font color; html color (#RRGGBB) or System.Drawing.Color
Background = Color.White, // background color; html color (#RRGGBB) or System.Drawing.Color
KeyLength = 5, // key length
Waves = true, // enable waves filter (distortions)
Overlay = true // enable overlaying
});
// use builder (more control)
captcha = new Captcha.Builder()
.Background(myBackground)
.Keygen(myKeygen)
.Drawer(myDrawer)
.Filters(myFilters)
.Build();
// access key and image
var key = captcha.Key;
var image = captcha.Image;