map_interface.debug(format, arguments);
}
- public AltosPointInt floor(AltosPointDouble point) {
+ static public AltosPointInt floor(AltosPointDouble point) {
return new AltosPointInt ((int) Math.floor(point.x / AltosMap.px_size) * AltosMap.px_size,
(int) Math.floor(point.y / AltosMap.px_size) * AltosMap.px_size);
}
- public AltosPointInt ceil(AltosPointDouble point) {
+ static public AltosPointInt ceil(AltosPointDouble point) {
return new AltosPointInt ((int) Math.ceil(point.x / AltosMap.px_size) * AltosMap.px_size,
(int) Math.ceil(point.y / AltosMap.px_size) * AltosMap.px_size);
}
return (System.currentTimeMillis() - user_input_time) < auto_scroll_delay;
}
+ public boolean has_centre() {
+ return centre != null;
+ }
+
public boolean far_from_centre(AltosLatLon lat_lon) {
if (centre == null || transform == null)
public boolean set_zoom(int zoom) {
+ notice_user_input();
if (AltosMap.min_zoom <= zoom && zoom <= AltosMap.max_zoom && zoom != this.zoom) {
this.zoom = zoom;
tiles.clear();
return false;
}
+ public boolean set_zoom_centre(int zoom, AltosPointInt centre) {
+ AltosLatLon mouse_lat_lon = null;
+ boolean ret;
+
+ if (transform != null)
+ mouse_lat_lon = transform.screen_lat_lon(centre);
+
+ ret = set_zoom(zoom);
+
+ if (ret && mouse_lat_lon != null) {
+ AltosPointDouble new_mouse = transform.screen(mouse_lat_lon);
+
+ double dx = width()/2.0 - centre.x;
+ double dy = height()/2.0 - centre.y;
+
+ AltosLatLon new_centre = transform.screen_lat_lon(new AltosPointDouble(new_mouse.x + dx, new_mouse.y + dy));
+
+ centre(new_centre);
+ }
+
+ return ret;
+ }
+
public int get_zoom() {
return zoom;
}
if (centre != null)
make_tiles();
+ if (transform == null)
+ return;
+
for (AltosMapTile tile : tiles.values())
tile.paint(transform);
AltosPointInt drag_start;
+ boolean dragged;
+
+ static final double drag_far = 20;
+
private void drag(int x, int y) {
if (drag_start == null)
return;
int dx = x - drag_start.x;
int dy = y - drag_start.y;
+ double distance = Math.hypot(dx, dy);
+
+ if (distance > drag_far)
+ dragged = true;
+
if (transform == null) {
debug("Transform not set in drag\n");
return;
private void drag_start(int x, int y) {
drag_start = new AltosPointInt(x, y);
+ dragged = false;
+ }
+
+ private void drag_stop(int x, int y) {
+ if (!dragged) {
+ if (transform == null) {
+ debug("Transform not set in stop\n");
+ return;
+ }
+ map_interface.select_object (transform.screen_lat_lon(new AltosPointInt(x,y)));
+ }
}
private void line_start(int x, int y) {
line(x, y);
}
+ public void touch_stop(int x, int y, boolean is_drag) {
+ notice_user_input();
+ if (is_drag)
+ drag_stop(x, y);
+ }
+
public AltosMap(AltosMapInterface map_interface) {
this.map_interface = map_interface;
cache = new AltosMapCache(map_interface);