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

Example 96 with ExifInterface

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

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 97 with ExifInterface

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

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 98 with ExifInterface

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

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);
}

Example 99 with ExifInterface

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

the class ExifInterfaceTest method testSaveAttributes_withInputStream.

private void testSaveAttributes_withInputStream(File imageFile, ExpectedValue expectedValue) throws IOException {
    InputStream in = null;
    try {
        in = getContext().getAssets().open(imageFile.getName());
        ExifInterface exifInterface = new ExifInterface(in);
        exifInterface.saveAttributes();
    } catch (IOException e) {
        // created with InputStream.
        return;
    } finally {
        IoUtils.closeQuietly(in);
    }
    fail("Should not reach here!");
}

Example 100 with ExifInterface

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

the class ExifInterfaceTest method testSaveAttributes_withInputStream.

private void testSaveAttributes_withInputStream(File imageFile, ExpectedValue expectedValue) throws IOException {
    InputStream in = null;
    try {
        in = getContext().getAssets().open(imageFile.getName());
        ExifInterface exifInterface = new ExifInterface(in);
        exifInterface.saveAttributes();
    } catch (IOException e) {
        // created with InputStream.
        return;
    } finally {
        IoUtils.closeQuietly(in);
    }
    fail("Should not reach here!");
}