public Date getPhotographyDate(final File file) throws ImageReadException, IOException {
// get all metadata stored in EXIF format (ie. from JPEG or TIFF).
final ImageMetadata metadata = Imaging.getMetadata(file);
String rtnValue = "";
if (metadata instanceof JpegImageMetadata) {
final JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
// print out various interesting EXIF tags.
rtnValue = getTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_DATE_TIME_ORIGINAL);
if (null == rtnValue || rtnValue.isEmpty()) {
rtnValue = getTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_DATE_TIME_DIGITIZED);
}
if (null == rtnValue || rtnValue.isEmpty()) {
rtnValue = getTagValue(jpegMetadata, TiffTagConstants.TIFF_TAG_DATE_TIME);
}
if (null == rtnValue || rtnValue.isEmpty()) {
return null;
}
}
rtnValue = rtnValue.replace("'", "");
return getDateFromTiffDateStr(rtnValue);
}
public boolean getGpsFromJpgAndSet(final File file) throws ImageReadException, IOException {
// get all metadata stored in EXIF format (ie. from JPEG or TIFF).
final ImageMetadata metadata = Imaging.getMetadata(file);
// System.out.println(metadata);
if (metadata instanceof JpegImageMetadata) {
final JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
// Jpeg EXIF metadata is stored in a TIFF-based directory structure
// and is identified with TIFF tags.
// Here we look for the "x resolution" tag, but
// we could just as easily search for any other tag.
//
// see the TiffConstants file for a list of TIFF tags.
System.out.println("file: " + file.getPath());
// print out various interesting EXIF tags.
this.lat_ref =
Double.parseDouble(getTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF));
this.lat =
Double.parseDouble(getTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE));
this.lon_ref =
Double.parseDouble(getTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF));
this.lon =
Double.parseDouble(getTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE));
return true;
}
return false;
}
public void showGpsData(final File file) throws ImageReadException, IOException {
// get all metadata stored in EXIF format (ie. from JPEG or TIFF).
final ImageMetadata metadata = Imaging.getMetadata(file);
// System.out.println(metadata);
if (metadata instanceof JpegImageMetadata) {
final JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
// Jpeg EXIF metadata is stored in a TIFF-based directory structure
// and is identified with TIFF tags.
// Here we look for the "x resolution" tag, but
// we could just as easily search for any other tag.
//
// see the TiffConstants file for a list of TIFF tags.
System.out.println("file: " + file.getPath());
// print out various interesting EXIF tags.
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF);
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE);
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF);
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE);
System.out.println();
}
}
/**
* Writes an image to a file. Uses the Apache Commons Imaging library to write to a file.
*
* @param fileName The file name and location to write to.
*/
public void writeImage(String fileName) {
try {
Imaging.writeImage(image, new File(fileName), IMAGE_FORMAT_PNG, null);
} catch (ImageWriteException e) {
e.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
} catch (IOException e) {
e.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
}
}
/**
* Create an EditableImage from a given image file. Uses the Apache Commons Imaging library to
* read into a BufferedImage.
*
* @param file The image file.
*/
public EditableImage(File file) {
try {
this.image = Imaging.getBufferedImage(file);
if (image == null) {
throw new IOException();
}
} catch (IOException e) {
System.out.println("Could not load image file " + file);
e.printStackTrace();
} catch (ImageReadException e) {
System.out.println("Could not load image file " + file);
e.printStackTrace();
}
}
public static void printMetaData(final File file)
throws ImageReadException, IOException, IllegalArgumentException, IllegalAccessException {
// get all metadata stored in EXIF format (ie. from JPEG or TIFF).
ImageMetadata metadata = Imaging.getMetadata(file);
if (!(metadata instanceof JpegImageMetadata)) {
throw new RuntimeException("Only support " + JpegImageMetadata.class.getSimpleName());
}
JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
// JPEG EXIF metadata
List<Field> exifTagfields = getTagInfoDefinedInClass(ExifTagConstants.class);
System.out.println("=== " + ExifTagConstants.class.getSimpleName() + " ===");
printTagInfos(exifTagfields, jpegMetadata);
// Tiff metadata
List<Field> tiffTagfields = getTagInfoDefinedInClass(TiffTagConstants.class);
System.out.println("=== " + TiffTagConstants.class.getSimpleName() + " ===");
printTagInfos(tiffTagfields, jpegMetadata);
// Gps metadata
List<Field> gpsTagfields = getTagInfoDefinedInClass(GpsTagConstants.class);
System.out.println("=== " + GpsTagConstants.class.getSimpleName() + " ===");
printTagInfos(gpsTagfields, jpegMetadata);
// simple interface to EXIF jpegMetadata
TiffImageMetadata exifMetadata = jpegMetadata.getExif();
if (null != exifMetadata) {
System.out.println("=== ExifMetadata ===");
jpegMetadata.getExif().getAllFields().stream().forEach(System.out::println);
System.out.println();
}
// All IImageMetadataItem
List<ImageMetadataItem> items = jpegMetadata.getItems();
printIImageMetadataItems(items);
}
public void showAllMetaData(final File file) throws ImageReadException, IOException {
// get all metadata stored in EXIF format (ie. from JPEG or TIFF).
final ImageMetadata metadata = Imaging.getMetadata(file);
if (metadata instanceof JpegImageMetadata) {
final JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
// Jpeg EXIF metadata is stored in a TIFF-based directory structure
// and is identified with TIFF tags.
// Here we look for the "x resolution" tag, but
// we could just as easily search for any other tag.
//
// see the TiffConstants file for a list of TIFF tags.
System.out.println("file: " + file.getPath());
// print out various interesting EXIF tags.
showTagValue(jpegMetadata, TiffTagConstants.TIFF_TAG_XRESOLUTION);
showTagValue(jpegMetadata, TiffTagConstants.TIFF_TAG_DATE_TIME);
showTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_DATE_TIME_ORIGINAL);
showTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_DATE_TIME_DIGITIZED);
showTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_ISO);
showTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_SHUTTER_SPEED_VALUE);
showTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_APERTURE_VALUE);
showTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_BRIGHTNESS_VALUE);
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF);
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE);
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF);
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE);
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_ALTITUDE_REF);
showTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_ALTITUDE);
System.out.println();
// simple interface to GPS data
final TiffImageMetadata exifMetadata = jpegMetadata.getExif();
if (null != exifMetadata) {
final TiffImageMetadata.GPSInfo gpsInfo = exifMetadata.getGPS();
if (null != gpsInfo) {
final String gpsDescription = gpsInfo.toString();
final double longitude = gpsInfo.getLongitudeAsDegreesEast();
final double latitude = gpsInfo.getLatitudeAsDegreesNorth();
System.out.println(" " + "GPS Description: " + gpsDescription);
System.out.println(" " + "GPS Longitude (Degrees East): " + longitude);
System.out.println(" " + "GPS Latitude (Degrees North): " + latitude);
}
}
// more specific example of how to manually access GPS values
final TiffField gpsLatitudeRefField =
jpegMetadata.findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF);
final TiffField gpsLatitudeField =
jpegMetadata.findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LATITUDE);
final TiffField gpsLongitudeRefField =
jpegMetadata.findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF);
final TiffField gpsLongitudeField =
jpegMetadata.findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LONGITUDE);
if (gpsLatitudeRefField != null
&& gpsLatitudeField != null
&& gpsLongitudeRefField != null
&& gpsLongitudeField != null) {
// all of these values are strings.
final String gpsLatitudeRef = (String) gpsLatitudeRefField.getValue();
final RationalNumber gpsLatitude[] = (RationalNumber[]) (gpsLatitudeField.getValue());
final String gpsLongitudeRef = (String) gpsLongitudeRefField.getValue();
final RationalNumber gpsLongitude[] = (RationalNumber[]) gpsLongitudeField.getValue();
final RationalNumber gpsLatitudeDegrees = gpsLatitude[0];
final RationalNumber gpsLatitudeMinutes = gpsLatitude[1];
final RationalNumber gpsLatitudeSeconds = gpsLatitude[2];
final RationalNumber gpsLongitudeDegrees = gpsLongitude[0];
final RationalNumber gpsLongitudeMinutes = gpsLongitude[1];
final RationalNumber gpsLongitudeSeconds = gpsLongitude[2];
// This will format the gps info like so:
//
// gpsLatitude: 8 degrees, 40 minutes, 42.2 seconds S
// gpsLongitude: 115 degrees, 26 minutes, 21.8 seconds E
System.out.println(
" "
+ "GPS Latitude: "
+ gpsLatitudeDegrees.toDisplayString()
+ " degrees, "
+ gpsLatitudeMinutes.toDisplayString()
+ " minutes, "
+ gpsLatitudeSeconds.toDisplayString()
+ " seconds "
+ gpsLatitudeRef);
System.out.println(
" "
+ "GPS Longitude: "
+ gpsLongitudeDegrees.toDisplayString()
+ " degrees, "
+ gpsLongitudeMinutes.toDisplayString()
+ " minutes, "
+ gpsLongitudeSeconds.toDisplayString()
+ " seconds "
+ gpsLongitudeRef);
}
System.out.println();
final List<ImageMetadataItem> items = jpegMetadata.getItems();
for (int i = 0; i < items.size(); i++) {
final ImageMetadataItem item = items.get(i);
System.out.println(" " + "item: " + item);
}
System.out.println();
}
}