Node module for using smartcrop via image magick
JavaScript VimL
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Build Status

This is an adapter module for using smartcrop.js with node.js using gm for image decoding.

It requires image magick to be installed and available in $PATH to function.


npm install --save smartcrop-gm


crop(image, options)

Image: string (path to file) or buffer

Options: options object to be passed to smartcrop

returns: A promise for a cropResult


var request = require('request');
var gm = require('gm').subClass({imageMagick: true});
var smartcrop = require('smartcrop-gm');

function applySmartCrop(src, dest, width, height) {
  request(src, {encoding: null}, function process(error, response, body){
    if (error) return console.error(error);
    smartcrop.crop(body, {width: width, height: height}).then(function(result) {
      var crop = result.topCrop;
        .crop(crop.width, crop.height, crop.x, crop.y)
        .resize(width, height)
        .write(dest, function(error){
            if (error) return console.error(error);

var src = '';
applySmartCrop(src, 'flower-square.jpg', 128, 128);

Face Detection

Check out smartcrop-cli for a more advanced example of how to use smartcrop from node including face detection with opencv.

Security Considerations

smartcrop-gm is using imagemagick for decoding and resampling images. A number of security issues have been found in imagemagick recently. Make sure that you take the appropriate steps to protect your infrastructure.