Behold, Nenya, Ring of Water and repository for our media and animation related

goodies, both Java 2D and LWJGL/JME 3D. git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@1 ed5b42cb-e716-0410-a449-f6a68f950b19
2006-06-23 18:07:28 +00:00
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+//
+// $Id: ImageLoadingSpeed.java 3099 2004-08-27 02:21:06Z mdb $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.media;
+
+import java.awt.image.BufferedImage;
+import javax.imageio.ImageIO;
+
+import java.io.*;
+
+import com.threerings.media.image.FastImageIO;
+
+/**
+ * Tests our image loading speed.
+ */
+public class ImageLoadingSpeed
+{
+    public static void main (String[] args)
+    {
+        if (args.length < 1) {
+            System.err.println("Usage: ImageLoadingTest image");
+            System.exit(-1);
+        }
+
+        File file = new File(args[0]);
+        File ffile = new File(args[0] + FastImageIO.FILE_SUFFIX);
+        try {
+            BufferedImage image = ImageIO.read(file);
+            FastImageIO.write(image, new FileOutputStream(ffile));
+        } catch (IOException ioe) {
+            ioe.printStackTrace(System.err);
+            System.exit(-1);
+        }
+
+        long start = System.currentTimeMillis();
+        int iter = 0;
+        while (true) {
+            try {
+                FastImageIO.read(ffile).getWidth();
+            } catch (IOException ioe) {
+                ioe.printStackTrace(System.err);
+                System.exit(-1);
+            }
+
+            if (++iter == 100) {
+                long now = System.currentTimeMillis();
+                long elapsed = now - start;
+                System.err.println("Loaded " + args.length +
+                                   " images a total of " + iter +
+                                   " times in " + elapsed + "ms.");
+                System.err.println("An average of " + (elapsed/iter) +
+                                   "ms per image.");
+
+                System.gc();
+                try { Thread.sleep(1000); } catch (Throwable t) {}
+
+                start = now;
+                iter = 0;
+            }
+        }
+    }
+}