smartcrop adapter for gm / imagemagick
npm install smartcrop-gm
This is an adapter module for using smartcrop.js
with node.js using gm for image decoding.
Smartcrop-gm requires image magick to be installed and available in $PATH to function.
``
npm install --save smartcrop-gm
Image: string (path to file) or buffer
Options: options object to be passed to smartcrop
returns: A promise for a cropResult
`javascript
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;
gm(body)
.crop(crop.width, crop.height, crop.x, crop.y)
.resize(width, height)
.write(dest, function(error) {
if (error) return console.error(error);
});
});
});
}
var src = 'https://raw.githubusercontent.com/jwagner/smartcrop-gm/master/test/flower.jpg';
applySmartCrop(src, 'flower-square.jpg', 128, 128);
``
Check out smartcrop-cli for a more advanced example of how to use smartcrop from node including face detection with opencv.
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.