Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.media.ExifInterface;
import android.util.Log;

public class Main {
    private static final String TAG = "TransformationUtils";

    /**
     * Returns a matrix with rotation set based on Exif orientation tag.
     * If the orientation is undefined or 0 null is returned.
     *
     * @param pathToOriginal Path to original image file that may have exif data.
     * @return  A rotation in degrees based on exif orientation
     */
    public static int getOrientation(String pathToOriginal) {
        int degreesToRotate = 0;
        try {
            ExifInterface exif = new ExifInterface(pathToOriginal);
            int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION,
                    ExifInterface.ORIENTATION_UNDEFINED);
            if (orientation == ExifInterface.ORIENTATION_ROTATE_90) {
                degreesToRotate = 90;
            } else if (orientation == ExifInterface.ORIENTATION_ROTATE_180) {
                degreesToRotate = 180;
            } else if (orientation == ExifInterface.ORIENTATION_ROTATE_270) {
                degreesToRotate = 270;
            }
        } catch (Exception e) {
            if (Log.isLoggable(TAG, Log.ERROR)) {
                Log.e(TAG, "Unable to get orientation for image with path=" + pathToOriginal, e);
            }
        }
        return degreesToRotate;
    }
}