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!