X-Git-Url: https://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2Fcompress%2FMarkPointsInRectangleFunction.java;fp=src%2Ftim%2Fprune%2Ffunction%2Fcompress%2FMarkPointsInRectangleFunction.java;h=2ea0f8ca64c495486cec33d3a94d82598f5f2b5d;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/function/compress/MarkPointsInRectangleFunction.java b/src/tim/prune/function/compress/MarkPointsInRectangleFunction.java
new file mode 100644
index 0000000..2ea0f8c
--- /dev/null
+++ b/src/tim/prune/function/compress/MarkPointsInRectangleFunction.java
@@ -0,0 +1,98 @@
+package tim.prune.function.compress;
+
+import tim.prune.App;
+import tim.prune.UpdateMessageBroker;
+import tim.prune.data.DataPoint;
+
+/**
+ * Function to mark all the points in the selected rectangle
+ */
+public class MarkPointsInRectangleFunction extends MarkAndDeleteFunction
+{
+	/** Minimum and maximum latitude values of rectangle */
+	private double _minLat = 0.0, _maxLat = 0.0;
+	/** Minimum and maximum longitude values of rectangle */
+	private double _minLon = 0.0, _maxLon = 0.0;
+
+
+	/**
+	 * Constructor
+	 * @param inApp App object
+	 */
+	public MarkPointsInRectangleFunction(App inApp)
+	{
+		super(inApp);
+	}
+
+	/** @return name key */
+	public String getNameKey() {
+		return "menu.track.markrectangle";
+	}
+
+	/**
+	 * Set the coordinates of the rectangle
+	 * @param inLon1 first longitude value
+	 * @param inLat1 first latitude value
+	 * @param inLon2 second longitude value
+	 * @param inLat2 second latitude value
+	 */
+	public void setRectCoords(double inLon1, double inLat1, double inLon2, double inLat2)
+	{
+		if (inLon1 == inLon2 || inLat1 == inLat2)
+		{
+			// Coordinates not valid
+			_minLat = _maxLat = _minLon = _maxLon = 0.0;
+		}
+		else
+		{
+			if (inLon2 > inLon1) {
+				_minLon = inLon1; _maxLon = inLon2;
+			}
+			else {
+				_minLon = inLon2; _maxLon = inLon1;
+			}
+			if (inLat2 > inLat1) {
+				_minLat = inLat1; _maxLat = inLat2;
+			}
+			else {
+				_minLat = inLat2; _maxLat = inLat1;
+			}
+		}
+	}
+
+	/**
+	 * Begin the function using the set parameters
+	 */
+	public void begin()
+	{
+		if (_maxLon == _minLon || _maxLat == _minLat) {
+			return;
+		}
+
+		// Loop over all points in track
+		final int numPoints = _app.getTrackInfo().getTrack().getNumPoints();
+		int numMarked = 0;
+		for (int i=0; i<numPoints; i++)
+		{
+			DataPoint point = _app.getTrackInfo().getTrack().getPoint(i);
+			// For each point, see if it's within the rectangle
+			final double pointLon = point.getLongitude().getDouble();
+			final double pointLat = point.getLatitude().getDouble();
+			final boolean insideRect = (pointLon >= _minLon && pointLon <= _maxLon
+				&& pointLat >= _minLat && pointLat <= _maxLat);
+			// Mark it accordingly (also resetting points outside the rect to false)
+			point.setMarkedForDeletion(insideRect);
+			if (insideRect) {
+				numMarked++;
+			}
+		}
+
+		// Inform subscribers to update display
+		UpdateMessageBroker.informSubscribers();
+		// Confirm message showing how many marked
+		if (numMarked > 0)
+		{
+			optionallyDeleteMarkedPoints(numMarked);
+		}
+	}
+}