https://github.com/sankooc/captcha-node

create captcha with ImageMagick
https://github.com/sankooc/captcha-node

captcha

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create captcha with ImageMagick

• Host: GitHub
• URL: https://github.com/sankooc/captcha-node
• Owner: sankooc
• License: mit
• Created: 2016-09-19T02:30:34.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2016-11-30T06:38:09.000Z (about 8 years ago)
• Last Synced: 2024-10-09T10:01:48.349Z (3 months ago)
• Topics: captcha
• Language: JavaScript
• Size: 99.6 KB
• Stars: 3
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# captcha-node

[![NPM](https://nodei.co/npm/captcha-node.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/captcha-node/)

 create captcha with ImageMagick or GraphicsMagick

## demo

![demo](demo/gen.png)

## prepare

* install ImageMagick

```

brew install imagemagick

```

or if you want to use GraphicsMagick

```

brew install graphicsmagick

```

Installation for other systems: [ImageMagick](http://www.imagemagick.org/script/binary-releases.php), [GraphicsMagick](http://www.graphicsmagick.org/README.html)

* install package

```

npm install captcha-node

```

## sample code

callback

```

var captcha = require('captcha-node')

var fs = require('fs')

var target = __dirname + '/gen.png';

captcha.genCaptcha({},function(err,data){

    if(err){

        console.trace(err.stack);

        return

    }

    fs.writeFileSync(target,data.data);

});

```

co

```

co(function* (){

  return yield captcha.genCaptcha({})

}).then((data) => {

  fs.writeFileSync(target,data.data);

}).catch(console.error.bind(console));

```

## option

* **width** *(Default: 150)* - Image width.

* **height** *(Default: 50)* - Image height.

* **fontsize** *(Default: 30)* - Font size.

* **skech** *(Default: 10)* - Strokes count.

* **fontWidth** *(Default: 3)* - Width of text and stroke.

* **bgcolor** *(Default: '#fff')* - Background color.

* **scolor** *(Default: '#ddd')* - Stroke color.

* **fcolor** *(Default: '#ccc')* - Font color.

* **text** - Captcha text.

* **font_path** *(Default: '/font/comic.ttf')* - Path to the font file.

* **engine** *(Default: 'ImageMagick')* - Graphics engine tool. Set as 'GraphicsMagick' if you use it.