Exif Auto Rotate

exif-auto-rotate is a module that helps you for applying the right orientation to JPEG images, based on its EXIF tag.

• Resets to orientation 1 from all orientation codes. It returns of new image's base64 URI or Blob.
• The URI can be used as the source of an <Image> component.

Setup

Install the package:

npm i exif-auto-rotate

or

yarn add exif-auto-rotate

Usage

import Rotator from 'exif-auto-rotate';

// sync
Rotator.createRotatedImage(
  file, // the file of the new image that can now be uploaded.
  outputType  // the output type of the new image.
  responseUriFunc,  // the callBack function of the new image URI
);

// async
Rotator.createRotatedImageAsync(
  file, // the file of the new image that can now be uploaded.
  outputType  // the output type of the new image.
);

Examples

// sync
Rotator.createRotatedImage(file, "base64", (uri) => {
  console.log(uri);
});

// async
try {
  const file = event.target.files[0];
  const uri = Rotator.createRotatedImageAsync(file, "base64");
  console.log(uri);
} catch (err) {
  console.log(err);
}

Option	Description	Type	Required
file	Path of image file	object	Yes
outputType	Can be either base64 or blob.(Default type is base64)	string	No
responseUriFunc	Callback function of URI. Returns URI of rotated image's base64 or Blob format. ex: uri => {console.log(uri)});	function	Yes (sync only)

License

MIT

Contributors

Contributions of any kind welcome!

Pablo Suarez 🚧 💻

Stephan Bijzitter 🚧 💻