1 files changed, 60 insertions, 0 deletions
diff --git a/main/src/cgeo/geocaching/maps/DirectionDrawer.java b/main/src/cgeo/geocaching/maps/DirectionDrawer.java
new file mode 100644
index 0000000..c746221
--- /dev/null
+++ b/main/src/cgeo/geocaching/maps/DirectionDrawer.java
@@ -0,0 +1,60 @@
+package cgeo.geocaching.maps;
+
+import cgeo.geocaching.CgeoApplication;
+import cgeo.geocaching.location.Geopoint;
+import cgeo.geocaching.maps.interfaces.MapItemFactory;
+import cgeo.geocaching.maps.interfaces.MapProjectionImpl;
+import cgeo.geocaching.settings.Settings;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Point;
+import android.location.Location;
+import android.util.DisplayMetrics;
+import android.view.WindowManager;
+
+public class DirectionDrawer {
+    private Geopoint currentCoords;
+    private final Geopoint destinationCoords;
+    private final MapItemFactory mapItemFactory;
+    private final float width;
+
+    private Paint line = null;
+
+    public DirectionDrawer(final Geopoint coords) {
+        this.destinationCoords = coords;
+        this.mapItemFactory = Settings.getMapProvider().getMapItemFactory();
+
+        final DisplayMetrics metrics = new DisplayMetrics();
+        final WindowManager windowManager = (WindowManager) CgeoApplication.getInstance().getSystemService(Context.WINDOW_SERVICE);
+        windowManager.getDefaultDisplay().getMetrics(metrics);
+
+        width = 4f * metrics.density;
+
+    }
+
+    public void setCoordinates(final Location coordinatesIn) {
+        currentCoords = new Geopoint(coordinatesIn);
+    }
+
+    void drawDirection(final Canvas canvas, final MapProjectionImpl projection) {
+        if (currentCoords == null) {
+            return;
+        }
+
+        if (line == null) {
+            line = new Paint();
+            line.setAntiAlias(true);
+            line.setStrokeWidth(width);
+            line.setColor(0x80EB391E);
+        }
+
+        final Point pos = new Point();
+        final Point dest = new Point();
+        projection.toPixels(mapItemFactory.getGeoPointBase(currentCoords), pos);
+        projection.toPixels(mapItemFactory.getGeoPointBase(destinationCoords), dest);
+
+        canvas.drawLine(pos.x, pos.y, dest.x, dest.y, line);
+    }
+}