+++ /dev/null
-/*
- * Copyright © 2014 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-package org.altusmetrum.altosuilib_3;
-
-import java.awt.*;
-import java.awt.event.*;
-import javax.swing.*;
-import java.io.*;
-import java.lang.Math;
-import java.awt.geom.*;
-import java.util.*;
-import java.util.concurrent.*;
-import org.altusmetrum.altoslib_5.*;
-
-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;
- }
-
- private AltosUILatLon lat_lon(MouseEvent e, AltosUIMapTransform t) {
- return t.screen_lat_lon(e.getPoint());
- }
-
- public void dragged(MouseEvent e, AltosUIMapTransform t) {
- end = lat_lon(e, t);
- }
-
- public void pressed(MouseEvent e, AltosUIMapTransform t) {
- start = lat_lon(e, t);
- end = null;
- }
-
- private String line_dist() {
- String format;
- AltosGreatCircle g = new AltosGreatCircle(start.lat, start.lon,
- end.lat, end.lon);
- double distance = g.distance;
-
- if (AltosConvert.imperial_units) {
- distance = AltosConvert.meters_to_feet(distance);
- if (distance < 10000) {
- format = "%4.0fft";
- } else {
- distance /= 5280;
- if (distance < 10)
- format = "%5.3fmi";
- else if (distance < 100)
- format = "%5.2fmi";
- else if (distance < 1000)
- format = "%5.1fmi";
- else
- format = "%5.0fmi";
- }
- } else {
- if (distance < 10000) {
- format = "%4.0fm";
- } else {
- distance /= 1000;
- if (distance < 100)
- format = "%5.2fkm";
- else if (distance < 1000)
- format = "%5.1fkm";
- else
- format = "%5.0fkm";
- }
- }
- return String.format(format, distance);
- }
-
- public void paint(Graphics2D g, AltosUIMapTransform t) {
-
- 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();
- Rectangle2D bounds;
- bounds = font.getStringBounds(message, g.getFontRenderContext());
-
- float x = (float) line.x1;
- float y = (float) line.y1 + (float) bounds.getHeight() / 2.0f;
-
- if (line.x1 < line.x2) {
- x -= (float) bounds.getWidth() + 2.0f;
- } 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);
- }
-}