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zenjiro: Commit


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Revisão138 (tree)
Hora2010-11-29 23:17:36
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OSMap 0.3.0をリリース

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Diff

--- osmap/tags/0.3.0/Main.java (nonexistent)
+++ osmap/tags/0.3.0/Main.java (revision 138)
@@ -0,0 +1,272 @@
1+import java.awt.BorderLayout;
2+import java.awt.Graphics;
3+import java.awt.Graphics2D;
4+import java.awt.Image;
5+import java.awt.RenderingHints;
6+import java.awt.event.MouseAdapter;
7+import java.awt.event.MouseEvent;
8+import java.awt.event.MouseMotionListener;
9+import java.awt.event.MouseWheelEvent;
10+import java.awt.event.MouseWheelListener;
11+import java.awt.event.WindowAdapter;
12+import java.awt.event.WindowEvent;
13+import java.io.File;
14+import java.io.FileInputStream;
15+import java.io.FileNotFoundException;
16+import java.io.FileOutputStream;
17+import java.io.FileWriter;
18+import java.io.IOException;
19+import java.net.MalformedURLException;
20+import java.net.URL;
21+import java.util.Formatter;
22+import java.util.HashMap;
23+import java.util.Map;
24+import java.util.Properties;
25+import java.util.Timer;
26+import java.util.TimerTask;
27+
28+import javax.imageio.IIOException;
29+import javax.imageio.ImageIO;
30+import javax.swing.JFrame;
31+import javax.swing.JLabel;
32+import javax.swing.JPanel;
33+import javax.swing.WindowConstants;
34+
35+/**
36+ * OpenStreetMapのビューア
37+ */
38+public class Main {
39+ /**
40+ * タイルの大きさ[px]
41+ */
42+ public static int TILE_SIZE = 256;
43+ /**
44+ * キャッシュファイルを置くディレクトリ
45+ */
46+ public static String CACHE_DIRECTORY = "cache";
47+ /**
48+ * 設定ファイルの名前
49+ */
50+ public static String CONFIGURATION_FILE = "osmap.ini";
51+ /**
52+ * 縮尺
53+ */
54+ static int zoom;
55+ /**
56+ * 列
57+ */
58+ static int col;
59+ /**
60+ * 行
61+ */
62+ static int row;
63+ /**
64+ * x座標
65+ */
66+ static int offsetX;
67+ /**
68+ * y座標
69+ */
70+ static int offsetY;
71+ /**
72+ * マウスドラッグが開始されたx座標
73+ */
74+ static int lastX = 0;
75+ /**
76+ * マウスドラッグが開始されたy座標
77+ */
78+ static int lastY = 0;
79+
80+ /**
81+ * メインメソッド
82+ * @param args コマンドライン引数
83+ * @throws IOException 入出力例外
84+ */
85+ public static void main(final String[] args) throws IOException {
86+ final Properties properties = new Properties();
87+ try {
88+ properties.load(new FileInputStream(CONFIGURATION_FILE));
89+ } catch (final FileNotFoundException exception) {
90+ // do nothing
91+ }
92+ zoom = Integer.parseInt(properties.getProperty("zoom", "5"));
93+ col = Integer.parseInt(properties.getProperty("col", "27"));
94+ row = Integer.parseInt(properties.getProperty("row", "12"));
95+ offsetX = Integer.parseInt(properties.getProperty("offsetX", "20"));
96+ offsetY = Integer.parseInt(properties.getProperty("offsetY", "150"));
97+ final Map<String, Image> images = new HashMap<String, Image>();
98+ final JFrame frame = new JFrame("OSMap");
99+ final Timer timer = new Timer();
100+ frame.setLayout(new BorderLayout());
101+ final JLabel label = new JLabel(" ");
102+ final JPanel panel = new JPanel() {
103+ @Override
104+ protected void paintComponent(final Graphics graphics) {
105+ super.paintComponent(graphics);
106+ final Graphics2D g = (Graphics2D) graphics;
107+ g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
108+ g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
109+ for (int i = -1; TILE_SIZE * i + offsetY < this.getHeight(); i++) {
110+ if (row + i < 0 || row + i >= 1 << zoom) {
111+ continue;
112+ }
113+ for (int j = -1; TILE_SIZE * j + offsetX < this.getWidth(); j++) {
114+ if (col + j < 0 || col + j >= 1 << zoom) {
115+ continue;
116+ }
117+ g.drawImage(images.get(zoom + "_" + (col + j) + "_" + (row + i)), TILE_SIZE * j + offsetX,
118+ TILE_SIZE * i + offsetY, this);
119+ g.drawRect(TILE_SIZE * j + offsetX, TILE_SIZE * i + offsetY, TILE_SIZE, TILE_SIZE);
120+ g.drawString(zoom + "_" + (col + j) + "_" + (row + i), TILE_SIZE * j + offsetX, TILE_SIZE * i
121+ + offsetY + TILE_SIZE - 2);
122+ }
123+ }
124+ label.setText(new Formatter().format("zoom = %d, col = %d, row = %d, offsetX = %d, offsetY = %d\n",
125+ zoom, col, row, offsetX, offsetY).toString());
126+ }
127+ };
128+ frame.add(panel, BorderLayout.CENTER);
129+ frame.add(label, BorderLayout.SOUTH);
130+ panel.addMouseWheelListener(new MouseWheelListener() {
131+ @Override
132+ public void mouseWheelMoved(final MouseWheelEvent event) {
133+ final int clickedCol = (event.getX() - offsetX + TILE_SIZE) / TILE_SIZE - 1;
134+ final int clickedRow = (event.getY() - offsetY + TILE_SIZE) / TILE_SIZE - 1;
135+ final int diffX = (event.getX() - offsetX + TILE_SIZE) % TILE_SIZE;
136+ final int diffY = (event.getY() - offsetY + TILE_SIZE) % TILE_SIZE;
137+ if (event.getWheelRotation() < 0) {
138+ if (zoom < 18) {
139+ zoom++;
140+ col = col * 2 + clickedCol + (diffX < TILE_SIZE / 2 ? 0 : 1);
141+ row = row * 2 + clickedRow + (diffY < TILE_SIZE / 2 ? 0 : 1);
142+ offsetX = offsetX - diffX % TILE_SIZE + (diffX < TILE_SIZE / 2 ? 0 : TILE_SIZE);
143+ offsetY = offsetY - diffY % TILE_SIZE + (diffY < TILE_SIZE / 2 ? 0 : TILE_SIZE);
144+ }
145+ } else {
146+ if (zoom > 0) {
147+ zoom--;
148+ offsetX = offsetX + diffX / 2 - (col % 2 == 0 ? 0 : TILE_SIZE / 2) + clickedCol * TILE_SIZE / 2;
149+ offsetY = offsetY + diffY / 2 - (row % 2 == 0 ? 0 : TILE_SIZE / 2) + clickedRow * TILE_SIZE / 2;
150+ col /= 2;
151+ row /= 2;
152+ }
153+ }
154+ panel.repaint();
155+ }
156+ });
157+ panel.addMouseListener(new MouseAdapter() {
158+ @Override
159+ public void mouseClicked(final MouseEvent event) {
160+ if (event.getButton() == MouseEvent.BUTTON1) {
161+ } else if (event.getButton() == MouseEvent.BUTTON3) {
162+ }
163+ panel.repaint();
164+ }
165+
166+ @Override
167+ public void mousePressed(final MouseEvent event) {
168+ lastX = event.getX();
169+ lastY = event.getY();
170+ }
171+ });
172+ panel.addMouseMotionListener(new MouseMotionListener() {
173+ @Override
174+ public void mouseMoved(final MouseEvent event) {
175+ }
176+
177+ @Override
178+ public void mouseDragged(final MouseEvent event) {
179+ offsetX += event.getX() - lastX;
180+ offsetY += event.getY() - lastY;
181+ lastX = event.getX();
182+ lastY = event.getY();
183+ panel.repaint();
184+ }
185+ });
186+ frame.setExtendedState(Integer.parseInt(properties.getProperty("frame.extendedState", "0")));
187+ frame.setSize(Integer.parseInt(properties.getProperty("frame.width", "800")),
188+ Integer.parseInt(properties.getProperty("frame.height", "600")));
189+ frame.addWindowListener(new WindowAdapter() {
190+ @Override
191+ public void windowClosed(final WindowEvent event) {
192+ timer.cancel();
193+ try {
194+ properties.put("zoom", Integer.toString(zoom));
195+ properties.put("col", Integer.toString(col));
196+ properties.put("row", Integer.toString(row));
197+ properties.put("offsetX", Integer.toString(offsetX));
198+ properties.put("offsetY", Integer.toString(offsetY));
199+ properties.put("frame.extendedState", Integer.toString(frame.getExtendedState()));
200+ if (frame.getExtendedState() == 0) {
201+ properties.put("frame.width", Integer.toString(frame.getWidth()));
202+ properties.put("frame.height", Integer.toString(frame.getHeight()));
203+ }
204+ properties.store(new FileWriter(CONFIGURATION_FILE), "OSMap configuration");
205+ } catch (final IOException exception) {
206+ exception.printStackTrace();
207+ }
208+ }
209+ });
210+ frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
211+ JFrame.setDefaultLookAndFeelDecorated(true);
212+ frame.setLocationByPlatform(true);
213+ frame.setVisible(true);
214+ timer.scheduleAtFixedRate(new TimerTask() {
215+ @Override
216+ public void run() {
217+ if (offsetX < 0) {
218+ offsetX += TILE_SIZE;
219+ col++;
220+ } else if (offsetX >= TILE_SIZE) {
221+ offsetX -= TILE_SIZE;
222+ col--;
223+ }
224+ if (offsetY < 0) {
225+ offsetY += TILE_SIZE;
226+ row++;
227+ } else if (offsetY >= TILE_SIZE) {
228+ offsetY -= TILE_SIZE;
229+ row--;
230+ }
231+ final int zoom = Main.zoom;
232+ final int col = Main.col;
233+ final int row = Main.row;
234+ final File cacheDirectory = new File(CACHE_DIRECTORY);
235+ if (!cacheDirectory.isDirectory()) {
236+ cacheDirectory.mkdir();
237+ }
238+ for (int i = -1; TILE_SIZE * i + offsetY < panel.getHeight(); i++) {
239+ if (row + i < 0 || row + i >= 1 << zoom) {
240+ continue;
241+ }
242+ for (int j = -1; TILE_SIZE * j + offsetX < panel.getWidth(); j++) {
243+ if (col + j < 0 || col + j >= 1 << zoom) {
244+ continue;
245+ }
246+ if (!images.containsKey(zoom + "_" + (col + j) + "_" + (row + i))) {
247+ final File file = new File(new Formatter().format("%s%s%d_%d_%d.png", CACHE_DIRECTORY,
248+ File.separator, zoom, col + j, row + i).toString());
249+ try {
250+ if (!file.isFile()) {
251+ WebUtilities.copy(
252+ new URL(new Formatter().format(
253+ "http://tile.openstreetmap.org/%d/%d/%d.png", zoom, col + j,
254+ row + i).toString()).openStream(), new FileOutputStream(file));
255+ }
256+ images.put(zoom + "_" + (col + j) + "_" + (row + i), ImageIO.read(file));
257+ panel.repaint();
258+ } catch (final IIOException exception) {
259+ file.delete();
260+ } catch (final MalformedURLException exception) {
261+ exception.printStackTrace();
262+ } catch (final IOException exception) {
263+ exception.printStackTrace();
264+ }
265+ }
266+ }
267+ }
268+ panel.repaint();
269+ }
270+ }, 200, 200);
271+ }
272+}
--- osmap/tags/0.3.0/WebUtilities.java (nonexistent)
+++ osmap/tags/0.3.0/WebUtilities.java (revision 138)
@@ -0,0 +1,23 @@
1+import java.io.IOException;
2+import java.io.InputStream;
3+import java.io.OutputStream;
4+
5+/**
6+ * ネットワーク関係のユーティリティクラス
7+ */
8+public class WebUtilities {
9+ /**
10+ * ストリームを使ってファイルをコピーします。
11+ * @param in 入力ストリーム
12+ * @param out 出力ストリーム
13+ * @throws IOException 入出力例外
14+ */
15+ public static void copy(final InputStream in, final OutputStream out) throws IOException {
16+ final byte buf[] = new byte[1024];
17+ int size;
18+ while ((size = in.read(buf)) != -1) {
19+ out.write(buf, 0, size);
20+ }
21+ out.close();
22+ }
23+}
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