# patchca

**Repository Path**: mirrors/patchca

## Basic Information

- **Project Name**: patchca
- **Description**: patchca 是一个简单但功能强大的验证码的Java类库。
- **Primary Language**: Java
- **License**: LGPL-3.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 13
- **Forks**: 0
- **Created**: 2017-04-01
- **Last Updated**: 2024-05-30

## Categories & Tags

**Categories**: captcha

**Tags**: None

## README

#   Patchca: verification code library for Java


### Overview

Simple yet powerful verification code library written in Java with zero dependency.

You can generate verification code picture like this:

```java
ConfigurableCaptchaService cs = new ConfigurableCaptchaService();
cs.setColorFactory(new SingleColorFactory(new Color(25, 60, 170)));
cs.setFilterFactory(new CurvesRippleFilterFactory(cs.getColorFactory()));

FileOutputStream fos = new FileOutputStream("patcha_demo.png");
EncoderHelper.getChallangeAndWriteImage(cs, "png", fos);
fos.close();
```

it generate picture like this:    
![sample](https://raw.githubusercontent.com/pusuo/patchca/master/doc/images/patcha_demo.png)