Examples with TiffImageMetadata org.apache.commons.imaging.formats.tiff.TiffImageMetadata used on opensource projects

Example 1 with TiffImageMetadata

use of org.apache.commons.imaging.formats.tiff.TiffImageMetadata in project Lucee by lucee.

the class Metadata method gps.

private static void gps(JpegImageMetadata jpegMetadata, Struct info) throws ImageReadException {
    Struct gps = new StructImpl();
    info.setEL("gps", gps);
    info = gps;
    final TiffImageMetadata exifMetadata = jpegMetadata.getExif();
    Double longitude = null;
    Double latitude = null;
    if (null != exifMetadata) {
        final TiffImageMetadata.GPSInfo gpsInfo = exifMetadata.getGPS();
        if (null != gpsInfo) {
            // final String gpsDescription = gpsInfo.toString();
            longitude = gpsInfo.getLongitudeAsDegreesEast();
            latitude = gpsInfo.getLatitudeAsDegreesNorth();
        }
    }
    // 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();
        info.setEL("GPS Latitude", gpsLatitude[0].toDisplayString() + "\"" + gpsLatitude[1].toDisplayString() + "'" + gpsLatitude[2].toDisplayString());
        info.setEL("GPS Latitude Ref", gpsLatitudeRef);
        Struct sct = new StructImpl();
        gps.setEL("latitude", sct);
        sct.setEL("degrees", gpsLatitude[0].doubleValue());
        sct.setEL("minutes", gpsLatitude[1].doubleValue());
        sct.setEL("seconds", gpsLatitude[2].doubleValue());
        sct.setEL("ref", gpsLatitudeRef);
        sct.setEL("decimal", latitude);
        info.setEL("GPS Longitude", gpsLongitude[0].toDisplayString() + "\"" + gpsLongitude[1].toDisplayString() + "'" + gpsLongitude[2].toDisplayString());
        info.setEL("GPS Longitude Ref", gpsLongitudeRef);
        sct = new StructImpl();
        gps.setEL("longitude", sct);
        sct.setEL("degrees", gpsLongitude[0].doubleValue());
        sct.setEL("minutes", gpsLongitude[1].doubleValue());
        sct.setEL("seconds", gpsLongitude[2].doubleValue());
        sct.setEL("ref", gpsLongitudeRef);
        sct.setEL("decimal", longitude);
    }
}