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package tim.prune.function.compress.methods;
import tim.prune.data.DataPoint;
import tim.prune.data.MarkingData;
import tim.prune.data.NumberUtils;
import tim.prune.data.Track;
import tim.prune.function.compress.CompressionMethodType;
import tim.prune.function.compress.TrackDetails;
public class TooSoonMethod extends CompressionMethod
{
private final int _secondsLimit;
public TooSoonMethod(int inSeconds) {
_secondsLimit = inSeconds;
}
public TooSoonMethod(String inString) {
_secondsLimit = recogniseString(inString) ? NumberUtils.getIntOrZero(inString.substring(4)) : 0;
}
public CompressionMethodType getType() {
return CompressionMethodType.TIME_DIFFERENCE;
}
public String getParam() {
return "" + Math.abs(_secondsLimit);
}
public int compress(Track inTrack, TrackDetails inDetails, MarkingData inMarkings)
{
// Loop over all points checking time since previous point
int numPoints = inTrack.getNumPoints();
DataPoint prevPoint = null;
int numDeleted = 0;
for (int i=0; i<numPoints; i++)
{
// don't delete points already deleted
if (inMarkings.isPointMarkedForDeletion(i)) {
continue;
}
DataPoint currPoint = inTrack.getPoint(i);
// Don't consider waypoints or points without timestamps
if (currPoint.isWaypoint() || !currPoint.hasTimestamp()) {
continue;
}
// Don't delete any photo points or start/end of segments
if (!currPoint.hasMedia()
&& !inDetails.isSegmentStart(i) && !inDetails.isSegmentEnd(i)
&& prevPoint != null)
{
// Check current point against prevPoint
long seconds = currPoint.getTimestamp().getSecondsSince(prevPoint.getTimestamp());
if (seconds >= 0 && seconds < _secondsLimit)
{
inMarkings.markPointForDeletion(i);
numDeleted++;
}
}
if (!inMarkings.isPointMarkedForDeletion(i)) {
prevPoint = currPoint;
}
}
return numDeleted;
}
public String getSettingsString() {
return getType().getKey() + _secondsLimit;
}
static boolean recogniseString(String inString) {
return recogniseString(inString, CompressionMethodType.TIME_DIFFERENCE);
}
}
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