Examples with ExifTag com.android.gallery3d.exif.ExifTag used on opensource projects

Example 1 with ExifTag

use of com.android.gallery3d.exif.ExifTag in project android_packages_apps_Gallery2 by LineageOS.

the class ImageLoader method getExif.

public static List<ExifTag> getExif(Context context, Uri uri) {
    String path = getLocalPathFromUri(context, uri);
    if (path != null) {
        Uri localUri = Uri.parse(path);
        String mimeType = getMimeType(localUri);
        if (!JPEG_MIME_TYPE.equals(mimeType)) {
            return null;
        }
        try {
            ExifInterface exif = new ExifInterface();
            exif.readExif(path);
            List<ExifTag> taglist = exif.getAllTags();
            return taglist;
        } catch (IOException e) {
            Log.w(LOGTAG, "Failed to read EXIF tags", e);
        } catch (NullPointerException e) {
            Log.e(LOGTAG, "Failed to read EXIF tags", e);
        }
    }
    return null;
}

Example 2 with ExifTag

use of com.android.gallery3d.exif.ExifTag in project android_packages_apps_Gallery2 by LineageOS.

the class LocalImage method rotate.

@Override
public void rotate(int degrees) {
    GalleryUtils.assertNotInRenderThread();
    Uri baseUri = Images.Media.EXTERNAL_CONTENT_URI;
    ContentValues values = new ContentValues();
    int rotation = (this.rotation + degrees) % 360;
    if (rotation < 0)
        rotation += 360;
    if (mimeType.equalsIgnoreCase("image/jpeg")) {
        ExifInterface exifInterface = new ExifInterface();
        ExifTag tag = exifInterface.buildTag(ExifInterface.TAG_ORIENTATION, ExifInterface.getOrientationValueForRotation(rotation));
        if (tag != null) {
            exifInterface.setTag(tag);
            try {
                exifInterface.forceRewriteExif(filePath);
                fileSize = new File(filePath).length();
                values.put(Images.Media.SIZE, fileSize);
            } catch (FileNotFoundException e) {
                Log.w(TAG, "cannot find file to set exif: " + filePath);
            } catch (IOException e) {
                Log.w(TAG, "cannot set exif data: " + filePath);
            }
        } else {
            Log.w(TAG, "Could not build tag: " + ExifInterface.TAG_ORIENTATION);
        }
    }
    values.put(Images.Media.ORIENTATION, rotation);
    mApplication.getContentResolver().update(baseUri, values, "_id=?", new String[] { String.valueOf(id) });
}

Example 3 with ExifTag

use of com.android.gallery3d.exif.ExifTag in project android_packages_apps_Gallery2 by LineageOS.

the class InfoPanel method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    if (getDialog() != null) {
        getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
    }
    mMainView = (LinearLayout) inflater.inflate(R.layout.filtershow_info_panel, null, false);
    mImageThumbnail = (ImageView) mMainView.findViewById(R.id.imageThumbnail);
    Bitmap bitmap = MasterImage.getImage().getFilteredImage();
    mImageThumbnail.setImageBitmap(bitmap);
    mImageName = (TextView) mMainView.findViewById(R.id.imageName);
    mImageSize = (TextView) mMainView.findViewById(R.id.imageSize);
    mExifData = (TextView) mMainView.findViewById(R.id.exifData);
    TextView exifLabel = (TextView) mMainView.findViewById(R.id.exifLabel);
    HistogramView histogramView = (HistogramView) mMainView.findViewById(R.id.histogramView);
    histogramView.setBitmap(bitmap);
    histogramView.setBackgroundColor(Color.DKGRAY);
    Uri uri = MasterImage.getImage().getUri();
    String path = ImageLoader.getLocalPathFromUri(getActivity(), uri);
    Uri localUri = null;
    if (path != null) {
        localUri = Uri.parse(path);
    }
    if (localUri != null) {
        mImageName.setText(localUri.getLastPathSegment());
    }
    Rect originalBounds = MasterImage.getImage().getOriginalBounds();
    mImageSize.setText("" + originalBounds.width() + " x " + originalBounds.height());
    List<ExifTag> exif = MasterImage.getImage().getEXIF();
    String exifString = "";
    boolean hasExifData = false;
    if (exif != null) {
        for (ExifTag tag : exif) {
            exifString += createStringFromIfFound(tag, ExifInterface.TAG_MODEL, R.string.filtershow_exif_model);
            exifString += createStringFromIfFound(tag, ExifInterface.TAG_APERTURE_VALUE, R.string.filtershow_exif_aperture);
            exifString += createStringFromIfFound(tag, ExifInterface.TAG_FOCAL_LENGTH, R.string.filtershow_exif_focal_length);
            exifString += createStringFromIfFound(tag, ExifInterface.TAG_ISO_SPEED_RATINGS, R.string.filtershow_exif_iso);
            exifString += createStringFromIfFound(tag, ExifInterface.TAG_SUBJECT_DISTANCE, R.string.filtershow_exif_subject_distance);
            exifString += createStringFromIfFound(tag, ExifInterface.TAG_DATE_TIME_ORIGINAL, R.string.filtershow_exif_date);
            exifString += createStringFromIfFound(tag, ExifInterface.TAG_F_NUMBER, R.string.filtershow_exif_f_stop);
            exifString += createStringFromIfFound(tag, ExifInterface.TAG_EXPOSURE_TIME, R.string.filtershow_exif_exposure_time);
            exifString += createStringFromIfFound(tag, ExifInterface.TAG_COPYRIGHT, R.string.filtershow_exif_copyright);
            hasExifData = true;
        }
    }
    if (hasExifData) {
        exifLabel.setVisibility(View.VISIBLE);
        mExifData.setText(Html.fromHtml(exifString));
    } else {
        exifLabel.setVisibility(View.GONE);
    }
    return mMainView;
}

Example 4 with ExifTag

use of com.android.gallery3d.exif.ExifTag in project android_packages_apps_Gallery2 by LineageOS.

the class MediaDetails method extractExifInfo.

public static void extractExifInfo(MediaDetails details, String filePath) {
    ExifInterface exif = new ExifInterface();
    try {
        exif.readExif(filePath);
    } catch (FileNotFoundException e) {
        Log.w(TAG, "Could not find file to read exif: " + filePath, e);
    } catch (IOException e) {
        Log.w(TAG, "Could not read exif from file: " + filePath, e);
    }
    setExifData(details, exif.getTag(ExifInterface.TAG_FLASH), MediaDetails.INDEX_FLASH);
    setExifData(details, exif.getTag(ExifInterface.TAG_IMAGE_WIDTH), MediaDetails.INDEX_WIDTH);
    setExifData(details, exif.getTag(ExifInterface.TAG_IMAGE_LENGTH), MediaDetails.INDEX_HEIGHT);
    ExifTag recordTag = exif.getTag(ExifInterface.TAG_DATE_TIME_ORIGINAL);
    if (recordTag == null)
        recordTag = exif.getTag(ExifInterface.TAG_DATE_TIME_DIGITIZED);
    if (recordTag == null)
        recordTag = exif.getTag(ExifInterface.TAG_DATE_TIME);
    setExifData(details, recordTag, MediaDetails.INDEX_DATETIME_ORIGINAL);
    setExifData(details, exif.getTag(ExifInterface.TAG_MAKE), MediaDetails.INDEX_MAKE);
    setExifData(details, exif.getTag(ExifInterface.TAG_MODEL), MediaDetails.INDEX_MODEL);
    setExifData(details, exif.getTag(ExifInterface.TAG_APERTURE_VALUE), MediaDetails.INDEX_APERTURE);
    setExifData(details, exif.getTag(ExifInterface.TAG_ISO_SPEED_RATINGS), MediaDetails.INDEX_ISO);
    setExifData(details, exif.getTag(ExifInterface.TAG_WHITE_BALANCE), MediaDetails.INDEX_WHITE_BALANCE);
    setExifData(details, exif.getTag(ExifInterface.TAG_EXPOSURE_TIME), MediaDetails.INDEX_EXPOSURE_TIME);
    ExifTag focalTag = exif.getTag(ExifInterface.TAG_FOCAL_LENGTH);
    if (focalTag != null) {
        details.addDetail(MediaDetails.INDEX_FOCAL_LENGTH, focalTag.getValueAsRational(0).toDouble());
        details.setUnit(MediaDetails.INDEX_FOCAL_LENGTH, R.string.unit_mm);
    }
}