Returns the exif orientation is scale / rotation from a file object
npm install exif-orientation
Returns the exif orientation in scale / rotation from a file object
``sh`
npm install exif-orientation --save
The following example reacts to the onChange event of a file upload html input
`js
var findOrientation = require('exif-orientation');
fileUpload.addEventListener('change',function(e) {
var file = e.target.files[0];
findOrientation(file,function(err,orientation) {
if (!err) {
console.log(orientation); // displays {scale: {x: 1, y: 1}, rotation: 90}
}
});
});
`
#### findOrientation(file,callback)
`file` A file object from a file upload html input `callback` A function to be called once the orientation data is found or an error occured. The callback is passed 2 arguments (err,orientation). If err is undefined, orientation will contain the orientation data, otherwise err will be an Error` object with the message of the error.
MIT, see LICENSE.md for details.