captcha-node

create captcha with ImageMagick or GraphicsMagick

demo

prepare

• install ImageMagick

brew install imagemagick

or if you want to use GraphicsMagick

brew install graphicsmagick

Installation for other systems: ImageMagick, GraphicsMagick

• 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.