3 files changed, 16 insertions, 8 deletions
diff --git a/src/demos/es1/RedSquare.java b/src/demos/es1/RedSquare.java
index 5018d5b..026e1c2 100755
--- a/src/demos/es1/RedSquare.java
+++ b/src/demos/es1/RedSquare.java
@@ -138,7 +138,9 @@ public class RedSquare extends Thread implements WindowListener, KeyListener, Mo
                     glAnimator = new Animator(Thread.currentThread().getThreadGroup(), window);
                     glAnimator.start();
                     while (glAnimator.isAnimating()) {
-                        Thread.yield();
+                        try {
+                            Thread.sleep(100);
+                        } catch (Exception e) {}
                     }
                     shutdown();
                 } else {
diff --git a/src/demos/readbuffer/ReadBuffer2File.java b/src/demos/readbuffer/ReadBuffer2File.java
index 2b30acf..ef908c4 100755
--- a/src/demos/readbuffer/ReadBuffer2File.java
+++ b/src/demos/readbuffer/ReadBuffer2File.java
@@ -37,7 +37,7 @@ import java.nio.*;
 import javax.media.opengl.*;
 
 import com.sun.opengl.util.texture.TextureData;
-import com.sun.opengl.util.texture.spi.NetPbmTextureWriter;
+import com.sun.opengl.util.texture.TextureIO;
 import java.io.File;
 import java.io.IOException;
 
@@ -53,14 +53,17 @@ public class ReadBuffer2File extends ReadBufferBase {
         super.dispose(drawable);
     }
 
-    NetPbmTextureWriter textureWriter = new NetPbmTextureWriter(6);
     int shotNum=0;
 
     void copyTextureData2File() {
       if(!readBufferUtil.isValid()) return;
 
       try {
-        textureWriter.write(new File("/tmp/shot/shot-"+shotNum+"."+textureWriter.getSuffix()), readBufferUtil.getTextureData());
+        File file = File.createTempFile("shot"+shotNum+"-", ".ppm");
+        TextureIO.write(readBufferUtil.getTextureData(), file);
+        if(0==shotNum) {
+            System.out.println("Wrote: "+file.getAbsolutePath()+", ...");
+        }
         shotNum++;
       } catch (IOException ioe) { ioe.printStackTrace(); }
       readBufferUtil.rewindPixelBuffer();
diff --git a/src/demos/readbuffer/Surface2File.java b/src/demos/readbuffer/Surface2File.java
index cc76f28..f03918c 100755
--- a/src/demos/readbuffer/Surface2File.java
+++ b/src/demos/readbuffer/Surface2File.java
@@ -37,9 +37,9 @@ import java.nio.*;
 import javax.media.opengl.*;
 
 import com.sun.opengl.util.texture.TextureData;
+import com.sun.opengl.util.texture.TextureIO;
 import com.sun.opengl.util.BufferUtil;
 
-import com.sun.opengl.util.texture.spi.NetPbmTextureWriter;
 import java.io.File;
 import java.io.IOException;
 
@@ -48,7 +48,6 @@ import javax.media.nativewindow.*;
 public class Surface2File implements SurfaceUpdatedListener {
 
     ReadBufferUtil readBufferUtil = new ReadBufferUtil();
-    NetPbmTextureWriter textureWriter = new NetPbmTextureWriter(6);
     int shotNum=0;
 
     public void dispose() {
@@ -61,7 +60,7 @@ public class Surface2File implements SurfaceUpdatedListener {
             GLContext ctx = GLContext.getCurrent();
             if(null!=ctx && ctx.getGLDrawable()==drawable) {
                 readBufferUtil.fetchOffscreenTexture(drawable, ctx.getGL());
-                surface2File("/tmp/shot/shot");
+                surface2File("shot");
             }
         }
     }
@@ -70,7 +69,11 @@ public class Surface2File implements SurfaceUpdatedListener {
       if(!readBufferUtil.isValid()) return;
 
       try {
-        textureWriter.write(new File(basename+"-"+shotNum+"."+textureWriter.getSuffix()), readBufferUtil.getTextureData());
+        File file = File.createTempFile(basename+shotNum+"-", ".ppm");
+        TextureIO.write(readBufferUtil.getTextureData(), file);
+        if(0==shotNum) {
+            System.out.println("Wrote: "+file.getAbsolutePath()+", ...");
+        }
         shotNum++;
       } catch (IOException ioe) { ioe.printStackTrace(); }
       readBufferUtil.rewindPixelBuffer();