use contrast color for direction arrows

OsmAnd/src/net/osmand/plus/views/layers/RouteLayer.java

@@ -30,6 +30,7 @@ import net.osmand.data.QuadRect;
 import net.osmand.data.RotatedTileBox;
 import net.osmand.data.TransportStop;
 import net.osmand.plus.R;
+import net.osmand.plus.UiUtilities;
 import net.osmand.plus.activities.MapActivity;
 import net.osmand.plus.mapcontextmenu.other.TrackChartPoints;
 import net.osmand.plus.measurementtool.MeasurementToolFragment;
@@ -105,6 +106,10 @@ public class RouteLayer extends OsmandMapLayer implements ContextMenuLayer.ICont
 	private LayerDrawable projectionIcon;
 	private LayerDrawable previewIcon;
 
+	private int routeLineColor;
+	private float routeLineWidth;
+	private Integer directionArrowsColor;
+
 	public RouteLayer(RoutingHelper helper) {
 		this.helper = helper;
 		this.transportHelper = helper.getTransportRoutingHelper();
@@ -326,7 +331,8 @@ public class RouteLayer extends OsmandMapLayer implements ContextMenuLayer.ICont
 	                                  DrawSettings settings,
 	                                  RouteLineDrawInfo drawInfo) {
 		updateAttrs(settings, tileBox);
-		paintRouteLinePreview.setColor(getRouteLineColor(nightMode));
+		updateRouteColors(nightMode);
+		paintRouteLinePreview.setColor(getRouteLineColor());
 		paintRouteLinePreview.setStrokeWidth(getRouteLineWidth(tileBox));
 
 		int centerX = drawInfo.getCenterX();
@@ -418,6 +424,22 @@ public class RouteLayer extends OsmandMapLayer implements ContextMenuLayer.ICont
 
 	@ColorInt
 	public int getRouteLineColor(boolean night) {
+		updateRouteColors(night);
+		return routeLineColor;
+	}
+
+	@ColorInt
+	public int getRouteLineColor() {
+		return routeLineColor;
+	}
+
+	@Nullable
+	@ColorInt
+	public Integer getDirectionArrowsColor() {
+		return directionArrowsColor;
+	}
+
+	public void updateRouteColors(boolean night) {
 		Integer color;
 		if (routeLineDrawInfo != null) {
 			color = routeLineDrawInfo.getColor(night);
@@ -429,10 +451,13 @@ public class RouteLayer extends OsmandMapLayer implements ContextMenuLayer.ICont
 			color = storedValue != 0 ? storedValue : null;
 		}
 		if (color == null) {
+			directionArrowsColor = null;
 			updateAttrs(new DrawSettings(night), view.getCurrentRotatedTileBox());
 			color = attrs.paint.getColor();
+		} else if (routeLineColor != color) {
+			directionArrowsColor = UiUtilities.getContrastColor(view.getContext(), color, false);
 		}
-		return color;
+		routeLineColor = color;
 	}
 
 	private float getRouteLineWidth(@NonNull RotatedTileBox tileBox) {
@@ -442,7 +467,7 @@ public class RouteLayer extends OsmandMapLayer implements ContextMenuLayer.ICont
 		} else {
 			widthKey = view.getSettings().ROUTE_LINE_WIDTH.getModeValue(helper.getAppMode());
 		}
-		return widthKey != null ? getWidthByKey(tileBox, widthKey) : attrs.paint.getStrokeWidth();
+		return routeLineWidth = widthKey != null ? getWidthByKey(tileBox, widthKey) : attrs.paint.getStrokeWidth();
 	}
 
 	@Nullable
@@ -500,7 +525,8 @@ public class RouteLayer extends OsmandMapLayer implements ContextMenuLayer.ICont
 			boolean straight = route.getRouteService() == RouteService.STRAIGHT;
 			publicTransportRouteGeometry.clearRoute();
 			routeGeometry.updateRoute(tb, route);
-			routeGeometry.setRouteStyleParams(getRouteLineColor(nightMode), getRouteLineWidth(tb));
+			updateRouteColors(nightMode);
+			routeGeometry.setRouteStyleParams(getRouteLineColor(), getRouteLineWidth(tb), getDirectionArrowsColor());
 			if (directTo) {
 				routeGeometry.drawSegments(tb, canvas, topLatitude, leftLongitude, bottomLatitude, rightLongitude,
 						null, 0);

OsmAnd/src/net/osmand/plus/views/layers/geometry/GeometryWayStyle.java

@@ -8,6 +8,7 @@ public abstract class GeometryWayStyle<T extends GeometryWayContext> {
 	private T context;
 	protected Integer color;
 	protected Float width;
+	protected Integer pointColor;
 
 	public GeometryWayStyle(T context) {
 		this.context = context;
@@ -18,10 +19,11 @@ public abstract class GeometryWayStyle<T extends GeometryWayContext> {
 		this.color = color;
 	}
 
-	public GeometryWayStyle(T context, Integer color, Float width) {
+	public GeometryWayStyle(T context, Integer color, Float width, Integer pointColor) {
 		this.context = context;
 		this.color = color;
 		this.width = width;
+		this.pointColor = pointColor;
 	}
 
 	public T getContext() {
@@ -45,7 +47,7 @@ public abstract class GeometryWayStyle<T extends GeometryWayContext> {
 	}
 
 	public Integer getPointColor() {
-		return null;
+		return pointColor;
 	}
 
 	public boolean isNightMode() {

OsmAnd/src/net/osmand/plus/views/layers/geometry/RouteGeometryWay.java

@@ -22,15 +22,19 @@ public class RouteGeometryWay extends GeometryWay<RouteGeometryWayContext, Geome
 
 	private Integer customColor;
 	private Float customWidth;
+	private Integer customPointColor;
 
 	public RouteGeometryWay(RouteGeometryWayContext context) {
 		super(context, new GeometryWayDrawer<>(context));
 		this.helper = context.getApp().getRoutingHelper();
 	}
 
-	public void setRouteStyleParams(@Nullable @ColorInt Integer color, @Nullable Float width) {
+	public void setRouteStyleParams(@Nullable @ColorInt Integer color,
+	                                @Nullable Float width,
+	                                @Nullable @ColorInt Integer pointColor) {
 		this.customColor = color;
 		this.customWidth = width;
+		this.customPointColor = pointColor;
 	}
 
 	@NonNull
@@ -39,7 +43,7 @@ public class RouteGeometryWay extends GeometryWay<RouteGeometryWayContext, Geome
 		Paint paint = getContext().getAttrs().paint;
 		int color = customColor != null ? customColor : paint.getColor();
 		float width = customWidth != null ? customWidth : paint.getStrokeWidth();
-		return new GeometrySolidWayStyle(getContext(), color, width);
+		return new GeometrySolidWayStyle(getContext(), color, width, customPointColor);
 	}
 
 	public void updateRoute(RotatedTileBox tb, RouteCalculationResult route) {
@@ -64,8 +68,9 @@ public class RouteGeometryWay extends GeometryWay<RouteGeometryWayContext, Geome
 
 	private static class GeometrySolidWayStyle extends GeometryWayStyle<RouteGeometryWayContext> {
 
-		GeometrySolidWayStyle(RouteGeometryWayContext context, Integer color, Float width) {
+		GeometrySolidWayStyle(RouteGeometryWayContext context, Integer color, Float width,
-			super(context, color, width);
+		                      Integer pointColor) {
+			super(context, color, width, pointColor);
 		}
 
 		@Override