altosuilib: Outline map lines and distance value with white

[fw/altos] / altosuilib / AltosUIMapLine.java

diff --git a/altosuilib/AltosUIMapLine.java b/altosuilib/AltosUIMapLine.java
index 86d2e6e2c38911b0aa15f16ba9f1e3a2057c3cec..32437d4ec513ad7c301784dfeed72ee782e64699 100644 (file)
--- a/altosuilib/AltosUIMapLine.java
+++ b/altosuilib/AltosUIMapLine.java
@@ -31,6 +31,7 @@ public class AltosUIMapLine {
        AltosUILatLon   start, end;
 
        private Font    font = null;
+       static public int stroke_width = 6;
 
        public void set_font(Font font) {
                this.font = font;
@@ -87,19 +88,24 @@ public class AltosUIMapLine {
        }
 
        public void paint(Graphics2D g, AltosUIMapTransform t) {
-               g.setColor(Color.BLUE);
 
                if (start == null || end == null)
                        return;
 
+               g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+
                Line2D.Double line = new Line2D.Double(t.screen(start),
                                                       t.screen(end));
 
+               g.setColor(Color.WHITE);
+               g.setStroke(new BasicStroke(stroke_width+4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+               g.draw(line);
+
+               g.setColor(Color.BLUE);
+               g.setStroke(new BasicStroke(stroke_width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
                g.draw(line);
 
                String  message = line_dist();
-               g.setFont(font);
-               g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
                Rectangle2D     bounds;
                bounds = font.getStringBounds(message, g.getFontRenderContext());
 
@@ -111,6 +117,13 @@ public class AltosUIMapLine {
                } else {
                        x += 2.0f;
                }
+
+               g.setFont(font);
+               g.setColor(Color.WHITE);
+               for (int dy = -2; dy <= 2; dy += 2)
+                       for (int dx = -2; dx <= 2; dx += 2)
+                               g.drawString(message, x + dx, y + dy);
+               g.setColor(Color.BLUE);
                g.drawString(message, x, y);
        }
 }