/**
* Returns a list of images that fulfill the given criteria. Default setting is to return untagged
* images, but may be overwritten.
*
* @param exif also returns images with exif-gps info
* @param tagged also returns tagged images
* @return matching images
*/
private List<ImageEntry> getSortedImgList(boolean exif, boolean tagged) {
if (yLayer.data == null) {
return Collections.emptyList();
}
List<ImageEntry> dateImgLst = new ArrayList<>(yLayer.data.size());
for (ImageEntry e : yLayer.data) {
if (!e.hasExifTime()) {
continue;
}
if (e.getExifCoor() != null && !exif) {
continue;
}
if (e.isTagged() && e.getExifCoor() == null && !tagged) {
continue;
}
dateImgLst.add(e);
}
Collections.sort(
dateImgLst,
new Comparator<ImageEntry>() {
@Override
public int compare(ImageEntry arg0, ImageEntry arg1) {
return arg0.getExifTime().compareTo(arg1.getExifTime());
}
});
return dateImgLst;
}
private static void extractExif(ImageEntry e) {
double deg;
double min, sec;
double lon, lat;
Metadata metadata = null;
Directory dir = null;
try {
metadata = JpegMetadataReader.readMetadata(e.getFile());
dir = metadata.getDirectory(GpsDirectory.class);
} catch (CompoundException p) {
e.setExifCoor(null);
e.setPos(null);
return;
}
try {
// longitude
Rational[] components = dir.getRationalArray(GpsDirectory.TAG_GPS_LONGITUDE);
deg = components[0].doubleValue();
min = components[1].doubleValue();
sec = components[2].doubleValue();
if (Double.isNaN(deg) && Double.isNaN(min) && Double.isNaN(sec))
throw new IllegalArgumentException();
lon =
(Double.isNaN(deg)
? 0
: deg
+ (Double.isNaN(min) ? 0 : (min / 60))
+ (Double.isNaN(sec) ? 0 : (sec / 3600)));
if (dir.getString(GpsDirectory.TAG_GPS_LONGITUDE_REF).charAt(0) == 'W') {
lon = -lon;
}
// latitude
components = dir.getRationalArray(GpsDirectory.TAG_GPS_LATITUDE);
deg = components[0].doubleValue();
min = components[1].doubleValue();
sec = components[2].doubleValue();
if (Double.isNaN(deg) && Double.isNaN(min) && Double.isNaN(sec))
throw new IllegalArgumentException();
lat =
(Double.isNaN(deg)
? 0
: deg
+ (Double.isNaN(min) ? 0 : (min / 60))
+ (Double.isNaN(sec) ? 0 : (sec / 3600)));
if (Double.isNaN(lat)) throw new IllegalArgumentException();
if (dir.getString(GpsDirectory.TAG_GPS_LATITUDE_REF).charAt(0) == 'S') {
lat = -lat;
}
// Store values
e.setExifCoor(new LatLon(lat, lon));
e.setPos(e.getExifCoor());
} catch (CompoundException p) {
// Try to read lon/lat as double value (Nonstandard, created by some cameras -> #5220)
try {
Double longitude = dir.getDouble(GpsDirectory.TAG_GPS_LONGITUDE);
Double latitude = dir.getDouble(GpsDirectory.TAG_GPS_LATITUDE);
if (longitude == null || latitude == null) throw new CompoundException("");
// Store values
e.setExifCoor(new LatLon(latitude, longitude));
e.setPos(e.getExifCoor());
} catch (CompoundException ex) {
e.setExifCoor(null);
e.setPos(null);
}
} catch (Exception ex) { // (other exceptions, e.g. #5271)
System.err.println("Error when reading EXIF from file: " + ex);
e.setExifCoor(null);
e.setPos(null);
}
// compass direction value
Rational direction = null;
try {
direction = dir.getRational(GpsDirectory.TAG_GPS_IMG_DIRECTION);
if (direction != null) {
e.setExifImgDir(direction.doubleValue());
}
} catch (Exception ex) { // (CompoundException and other exceptions, e.g. #5271)
// Do nothing
}
}