CaptchaGenerator

Captcha Generator Library for .NET Framework

Description

This sample show you how generate a captcha for your applications. You will be able to apply different settings to generate the captcha.

Execution Demo

Configuration

You will be able to configure the captcha with:

• Background Color
• Number of characters (from 1 to 10 maximum, with 5 characters by default)
• Color of the line that goes from down and left corner, to up and right corner of the image
• Color of the line that goes from up and left corner, to down and right corner of the image
• Option to show the line that goes from down and left corner, to up and right corner of the image
• Option to show the line that goes from up and left corner, to down and right corner of the image
• Random characters with an enum to choice if you want to include lower case letters, upper case letters, and/or numbers
• Size of the line that goes from down and left corner, to up and right corner of the image
• Size of the line that goes from up and left corner, to down and right corner of the image
• Font Name and settings of the font (strikeout, bold, italic, etc)
• Font Color

Sample use

• Basic call to generate a Captcha:

var captchaProperties = new CaptchaGenerator.CaptchaProperties()
    .Configure
    .Get();

• Execution call to generate a Captcha with all settings applied (as you can see in the image shown in the execution demo section of this readme file):

var captchaProperties = new CaptchaGenerator.CaptchaProperties()
    .Configure
    .WithBackgroundColor(Color.White)
    .WithCharacters(6)
    .WithColorDownUpLine(Color.Gray)
    .WithColorUpDownLine(Color.Gray)
    .WithDownUpLine(true)
    .WithUpDownLine(true)
    .WithRandomCharacters(CaptchaGenerator.RandomCharactersType.All)
    .WithSizeDownUpLine(2)
    .WithSizeUpDownLine(2)
    .WithFont(new Font("Segoe UI", 24, FontStyle.Strikeout))
    .WithFontColor(Color.DarkSlateGray)
    .Get();

Returned values from the Captcha Generator

The Captcha Generator will return a tuple with two values (Tuple<image, string>):

• The Captcha Image
• The Text of the Captcha Image