altosui: improve sitemap scrolling behaviour
[fw/altos] / ao-tools / altosui / AltosSiteMapTile.java
index 6f5ddede5770f8e5e2b9b86916bbab2a3e6a0bca..8301f42b007e7fa9907991c3920543ce033e4946 100644 (file)
@@ -31,173 +31,82 @@ import java.lang.Math;
 import java.awt.geom.Point2D;
 import java.awt.geom.Line2D;
 
-public class AltosSiteMapTile extends JLabel {
-    int zoom;
-    double scale_x, scale_y;
-    Point2D.Double coord_pt;
-    Point2D.Double last_pt;
-
-    Graphics2D g2d;
-
-    int off_x;
-    int off_y;
-
-    int px_size = 512;
-
-    private boolean setLocation(double lat, double lng) {
-        Point2D.Double north_1nm;
-        for (zoom = 3; zoom < 22; zoom++) {
-            coord_pt = pt(lat, lng, new Point2D.Double(0,0), zoom);
-            north_1nm = pt(lat+1/60.0, lng, new Point2D.Double(0,0), zoom);
-            if (coord_pt.y - north_1nm.y > px_size/2)
-                break;
-        }
-        coord_pt.x = -px_size * Math.floor(coord_pt.x/px_size + off_x);
-        coord_pt.y = -px_size * Math.floor(coord_pt.y/px_size + off_y);
-
-        scale_x = 256/360.0 * Math.pow(2, zoom);
-        scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom);
-
-        last_pt = null;
-
-        Point2D.Double map_latlng;
-        map_latlng = latlng(new Point2D.Double(px_size/2, px_size/2));
-
-        BufferedImage myPicture;
-        File pngfile = new File(AltosPreferences.logdir(), 
-                                FileCoord(map_latlng, zoom));
-        try {
-            myPicture = ImageIO.read(pngfile);
-            System.out.printf("# Found file %s\n", pngfile);
-        } catch (Exception e) { 
-            // throw new RuntimeException(e);
-            System.out.printf("# Failed to find file %s\n", pngfile);
-            System.out.printf(" wget -O '%s' 'http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&sensor=false&maptype=hybrid&format=png32'\n", pngfile, map_latlng.x, map_latlng.y, zoom, px_size, px_size);
-            myPicture = new BufferedImage(px_size, px_size, 
-                    BufferedImage.TYPE_INT_RGB);
-        }
-        setIcon(new ImageIcon( myPicture ));
-        g2d = myPicture.createGraphics();
-        return true;
-    }
-
-    private static double limit(double v, double lo, double hi) {
-        if (v < lo)
-            return lo;
-        if (hi < v)
-            return hi;
-        return v;
-    }
-
-    private static String FileCoord(Point2D.Double latlng, int zoom) {
-        double lat, lng;
-        lat = latlng.x;
-        lng = latlng.y;
-        return FileCoord(lat, lng, zoom);
-    }
-    private static String FileCoord(double lat, double lng, int zoom) {
-        char chlat = lat < 0 ? 'S' : 'N';
-        char chlng = lng < 0 ? 'E' : 'W';
-        if (lat < 0) lat = -lat;
-        if (lng < 0) lng = -lng;
-        return String.format("map-%c%.6f,%c%.6f-%d.png",
-                chlat, lat, chlng, lng, zoom);
-    }
-
-
-    // based on google js
-    //  http://maps.gstatic.com/intl/en_us/mapfiles/api-3/2/10/main.js
-    // search for fromLatLngToPoint and fromPointToLatLng
-    private Point2D.Double pt(double lat, double lng) {
-        return pt(lat, lng, coord_pt, scale_x, scale_y);
-    }
-
-    private static Point2D.Double pt(double lat, double lng, 
-            Point2D.Double centre, int zoom)
-    {
-        double scale_x = 256/360.0 * Math.pow(2, zoom);
-        double scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom);
-        return pt(lat, lng, centre, scale_x, scale_y);
-    }
-
-    private static Point2D.Double pt(double lat, double lng, 
-            Point2D.Double centre, double scale_x, double scale_y)
-    {
-        Point2D.Double res = new Point2D.Double();
-        double e;
-
-        res.x = centre.x + lng*scale_x;
-        e = limit(Math.sin(Math.toRadians(lat)),-(1-1.0E-15),1-1.0E-15);
-        res.y = centre.y + 0.5*Math.log((1+e)/(1-e))*-scale_y;
-        return res;
-    }
-
-    private Point2D.Double latlng(Point2D.Double pt) {
-        return latlng(pt, coord_pt);
-    }
-    private Point2D.Double latlng(Point2D.Double pt, Point2D.Double centre) {
-        double lat, lng;
-        double rads;
-
-        lng = (pt.x - centre.x)/scale_x;
-        rads = 2 * Math.atan(Math.exp((pt.y-centre.y)/-scale_y));
-        lat = Math.toDegrees(rads - Math.PI/2);
-                                                                    
-        return new Point2D.Double(lat,lng);
-    }
-
-    static Color stateColors[] = {
-        Color.WHITE,  // startup
-        Color.WHITE,  // idle
-        Color.WHITE,  // pad
-        Color.RED,    // boost
-        Color.PINK,   // fast
-        Color.YELLOW, // coast
-        Color.CYAN,   // drogue
-        Color.BLUE,   // main
-        Color.BLACK   // landed
-    };
-
-    boolean drawn_landed_circle = false;
-    boolean nomaps = false;
-    public void show(AltosState state, int crc_errors) {
-        if (nomaps)
-            return;
-        if (!state.gps_ready && state.pad_lat == 0 && state.pad_lon == 0)
-            return;
-        double plat = (int)(state.pad_lat*200)/200.0;
-        double plon = (int)(state.pad_lon*200)/200.0;
-
-        if (last_pt == null) {
-            if (!setLocation(plat, plon)) {
-                nomaps = true;
-                return;
-            }
-        }
-
-        Point2D.Double pt = pt(state.gps.lat, state.gps.lon);
-        if (last_pt != null && pt != last_pt) {
-            if (0 <= state.state && state.state < stateColors.length) {
-                g2d.setColor(stateColors[state.state]);
-            }
-            g2d.draw(new Line2D.Double(last_pt, pt));
-        }
-
-        if (state.state == 8 && !drawn_landed_circle) {
-            drawn_landed_circle = true;
-            g2d.setColor(Color.RED);
-            g2d.drawOval((int)pt.x-5, (int)pt.y-5, 10, 10);
-            g2d.drawOval((int)pt.x-20, (int)pt.y-20, 40, 40);
-            g2d.drawOval((int)pt.x-35, (int)pt.y-35, 70, 70);
-        }
-
-        last_pt = pt;
-        repaint();
-    }
-   
-    public AltosSiteMapTile(int x_tile_offset, int y_tile_offset) {
-        off_x = x_tile_offset;
-        off_y = y_tile_offset;
-    }
+public class AltosSiteMapTile extends JLayeredPane {
+       JLabel mapLabel;
+       JLabel draw;
+       Graphics2D g2d;
+
+       public void loadMap(ImageIcon icn) {
+               mapLabel.setIcon(icn);
+       }
+
+       static Color stateColors[] = {
+               Color.WHITE,  // startup
+               Color.WHITE,  // idle
+               Color.WHITE,  // pad
+               Color.RED,    // boost
+               Color.PINK,   // fast
+               Color.YELLOW, // coast
+               Color.CYAN,   // drogue
+               Color.BLUE,   // main
+               Color.BLACK   // landed
+       };
+
+       private boolean drawn_landed_circle = false;
+       private boolean drawn_boost_circle = false;
+       public synchronized void show(AltosState state, int crc_errors,
+                                     Point2D.Double last_pt, Point2D.Double pt)
+       {
+               if (0 <= state.state && state.state < stateColors.length) {
+                       g2d.setColor(stateColors[state.state]);
+               }
+               g2d.draw(new Line2D.Double(last_pt, pt));
+
+               if (state.state == 3 && !drawn_boost_circle) {
+                       drawn_boost_circle = true;
+                       g2d.setColor(Color.RED);
+                       g2d.drawOval((int)last_pt.x-5, (int)last_pt.y-5, 10, 10);
+                       g2d.drawOval((int)last_pt.x-20, (int)last_pt.y-20, 40, 40);
+                       g2d.drawOval((int)last_pt.x-35, (int)last_pt.y-35, 70, 70);
+               }
+               if (state.state == 8 && !drawn_landed_circle) {
+                       drawn_landed_circle = true;
+                       g2d.setColor(Color.BLACK);
+                       g2d.drawOval((int)pt.x-5, (int)pt.y-5, 10, 10);
+                       g2d.drawOval((int)pt.x-20, (int)pt.y-20, 40, 40);
+                       g2d.drawOval((int)pt.x-35, (int)pt.y-35, 70, 70);
+               }
+
+               repaint();
+       }
+
+       public static Graphics2D fillLabel(JLabel l, Color c, int px_size) {
+               BufferedImage img = new BufferedImage(px_size, px_size,
+                                                     BufferedImage.TYPE_INT_ARGB);
+               Graphics2D g = img.createGraphics();
+               g.setColor(c);
+               g.fillRect(0, 0, px_size, px_size);
+               l.setIcon(new ImageIcon(img));
+               return g;
+       }
+
+       public AltosSiteMapTile(int px_size) {
+               setPreferredSize(new Dimension(px_size, px_size));
+
+               mapLabel = new JLabel();
+               fillLabel(mapLabel, Color.GRAY, px_size);
+               mapLabel.setOpaque(true);
+               mapLabel.setBounds(0, 0, px_size, px_size);
+               add(mapLabel, new Integer(0));
+
+               draw = new JLabel();
+               g2d = fillLabel(draw, new Color(127, 127, 127, 0), px_size);
+               g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+                                    RenderingHints.VALUE_ANTIALIAS_ON);
+               g2d.setStroke(new BasicStroke(6, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+               draw.setBounds(0, 0, px_size, px_size);
+               draw.setOpaque(false);
+
+               add(draw, new Integer(1));
+       }
 }
-