Examples with ExifInterface android.media.ExifInterface used on opensource projects

Example 21 with ExifInterface

use of android.media.ExifInterface in project EnableHands by LeviWGG.

the class ImageUtils method getRotateDegree.

/**
 * Return the rotated degree.
 *
 * @param filePath The path of file.
 * @return the rotated degree
 */
public static int getRotateDegree(final String filePath) {
    try {
        ExifInterface exifInterface = new ExifInterface(filePath);
        int orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);
        switch(orientation) {
            case ExifInterface.ORIENTATION_ROTATE_90:
                return 90;
            case ExifInterface.ORIENTATION_ROTATE_180:
                return 180;
            case ExifInterface.ORIENTATION_ROTATE_270:
                return 270;
            default:
                return 0;
        }
    } catch (IOException e) {
        e.printStackTrace();
        return -1;
    }
}

Example 22 with ExifInterface

use of android.media.ExifInterface in project android-mdm-agent by flyve-mdm.

the class Helpers method modifyOrientation.

/**
 * Modify the orientation according the rotation selected
 * @param bitmap
 * @param imageAbsolutePath the path to the image
 * @return Bitmap the modificated image
 */
public static Bitmap modifyOrientation(Bitmap bitmap, String imageAbsolutePath) throws IOException {
    ExifInterface ei = new ExifInterface(imageAbsolutePath);
    int orientation = ei.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);
    switch(orientation) {
        case ExifInterface.ORIENTATION_ROTATE_90:
            return rotate(bitmap, 90);
        case ExifInterface.ORIENTATION_ROTATE_180:
            return rotate(bitmap, 180);
        case ExifInterface.ORIENTATION_ROTATE_270:
            return rotate(bitmap, 270);
        case ExifInterface.ORIENTATION_FLIP_HORIZONTAL:
            return flip(bitmap, true, false);
        case ExifInterface.ORIENTATION_FLIP_VERTICAL:
            return flip(bitmap, false, true);
        default:
            return bitmap;
    }
}

Example 23 with ExifInterface

use of android.media.ExifInterface in project android_frameworks_base by crdroidandroid.

the class DocumentsContract method openImageThumbnail.

/**
     * Open the given image for thumbnail purposes, using any embedded EXIF
     * thumbnail if available, and providing orientation hints from the parent
     * image.
     *
     * @hide
     */
public static AssetFileDescriptor openImageThumbnail(File file) throws FileNotFoundException {
    final ParcelFileDescriptor pfd = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
    Bundle extras = null;
    try {
        final ExifInterface exif = new ExifInterface(file.getAbsolutePath());
        switch(exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, -1)) {
            case ExifInterface.ORIENTATION_ROTATE_90:
                extras = new Bundle(1);
                extras.putInt(EXTRA_ORIENTATION, 90);
                break;
            case ExifInterface.ORIENTATION_ROTATE_180:
                extras = new Bundle(1);
                extras.putInt(EXTRA_ORIENTATION, 180);
                break;
            case ExifInterface.ORIENTATION_ROTATE_270:
                extras = new Bundle(1);
                extras.putInt(EXTRA_ORIENTATION, 270);
                break;
        }
        final long[] thumb = exif.getThumbnailRange();
        if (thumb != null) {
            return new AssetFileDescriptor(pfd, thumb[0], thumb[1], extras);
        }
    } catch (IOException e) {
    }
    return new AssetFileDescriptor(pfd, 0, AssetFileDescriptor.UNKNOWN_LENGTH, extras);
}

Example 24 with ExifInterface

use of android.media.ExifInterface in project android_frameworks_base by crdroidandroid.

the class ExifInterfaceTest method testExifInterfaceCommon.

private void testExifInterfaceCommon(File imageFile, ExpectedValue expectedValue) throws IOException {
    String verboseTag = imageFile.getName();
    // Creates via path.
    ExifInterface exifInterface = new ExifInterface(imageFile.getAbsolutePath());
    compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
    // Creates from an asset file.
    InputStream in = null;
    try {
        in = mContext.getAssets().open(imageFile.getName());
        exifInterface = new ExifInterface(in);
        compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
    } finally {
        IoUtils.closeQuietly(in);
    }
    // Creates via InputStream.
    in = null;
    try {
        in = new BufferedInputStream(new FileInputStream(imageFile.getAbsolutePath()));
        exifInterface = new ExifInterface(in);
        compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
    } finally {
        IoUtils.closeQuietly(in);
    }
    // Creates via FileDescriptor.
    FileDescriptor fd = null;
    try {
        fd = Os.open(imageFile.getAbsolutePath(), OsConstants.O_RDONLY, 0600);
        exifInterface = new ExifInterface(fd);
        compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
    } catch (ErrnoException e) {
        throw e.rethrowAsIOException();
    } finally {
        IoUtils.closeQuietly(fd);
    }
}

Example 25 with ExifInterface

use of android.media.ExifInterface in project android_frameworks_base by crdroidandroid.

the class ExifInterfaceTest method testSaveAttributes_withFileName.

private void testSaveAttributes_withFileName(File imageFile, ExpectedValue expectedValue) throws IOException {
    String verboseTag = imageFile.getName();
    ExifInterface exifInterface = new ExifInterface(imageFile.getAbsolutePath());
    exifInterface.saveAttributes();
    exifInterface = new ExifInterface(imageFile.getAbsolutePath());
    compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
    // Test for modifying one attribute.
    String backupValue = exifInterface.getAttribute(ExifInterface.TAG_MAKE);
    exifInterface.setAttribute(ExifInterface.TAG_MAKE, "abc");
    exifInterface.saveAttributes();
    exifInterface = new ExifInterface(imageFile.getAbsolutePath());
    assertEquals("abc", exifInterface.getAttribute(ExifInterface.TAG_MAKE));
    // Restore the backup value.
    exifInterface.setAttribute(ExifInterface.TAG_MAKE, backupValue);
    exifInterface.saveAttributes();
    exifInterface = new ExifInterface(imageFile.getAbsolutePath());
    compareWithExpectedValue(exifInterface, expectedValue, verboseTag);
}