exif-orientation
v1.0.0
Published
Returns the exif orientation is scale / rotation from a file object
Downloads
1,672
Readme
exif-orientation
Returns the exif orientation in scale / rotation from a file object
Install
npm install exif-orientation --save
Example
The following example reacts to the onChange
event of a file upload html input
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}
}
});
});
Usage
findOrientation(file,callback)
file
A file object from a file upload html inputcallback
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.
License
MIT, see LICENSE.md for details.