--- android/Side9/src/dk/thoerup/side9/ImageAdapter.java	2010/08/09 17:06:22	1012
+++ android/Side9/src/dk/thoerup/side9/ImageAdapter.java	2010/08/10 07:01:40	1013
@@ -1,14 +1,19 @@
 package dk.thoerup.side9;
 
 import java.io.File;
+import java.io.FileOutputStream;
 import java.io.FilenameFilter;
+import java.io.IOException;
 import java.util.ArrayList;
 
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Bitmap.CompressFormat;
+import android.net.Uri;
 import android.os.Environment;
 import android.util.DisplayMetrics;
+import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
@@ -42,19 +47,45 @@
 
         File files[] = root.listFiles( new ExtensionFilter("jpg") );
         
-        for (File f : files) {        	
-            Bitmap bmp = BitmapFactory.decodeFile( f.getPath() );
-            Bitmap scaled =  Bitmap.createScaledBitmap(bmp, bmp.getWidth()/4, bmp.getHeight()/4, true);
-            
-        	mBitmapPaths.add(  f.getPath() );
-        	mBitmaps.add(scaled);
+
+        String thumbPath =  path + "/.thumb/";
+        
+        File thumbDir = new File(thumbPath);
+        if (! thumbDir.exists()) {
+        	thumbDir.mkdirs();
+        }
+        
+        
+        for (File f : files) {
+
+        	String fileName = f.getName();
+        	File thumb = new File ( thumbPath + fileName );
+        	
+        	if (! thumb.exists()) {
+        		Bitmap bmp = BitmapFactory.decodeFile( f.getPath() );
+        		Bitmap scaled =  Bitmap.createScaledBitmap(bmp, bmp.getWidth()/4, bmp.getHeight()/4, true);
+        		mBitmaps.add(scaled);
+        		try {
+        			FileOutputStream fos = new FileOutputStream(thumb);
+        			scaled.compress(CompressFormat.JPEG, 90, fos);        			
+        			
+        		} catch (IOException e) {
+        			Log.e("Side9", "error", e);
+        		}
+        		
+        	} else {
+        		Bitmap thumbBmp = BitmapFactory.decodeFile( thumb.getPath());
+        		mBitmaps.add(thumbBmp);
+        	}
+			mBitmapPaths.add(  f.getPath() );            
+        	
         }
         
         size = getSize();
     }
 
     public int getCount() {
-        return mBitmaps.size();
+        return mBitmapPaths.size();
     }
 
     public Object getItem(int position) {
@@ -96,7 +127,7 @@
             imageView = (ImageView) convertView;
         }
 
-
+        //imageView.setImageURI(  Uri.parse(mThumbPaths.get(position)) );
         imageView.setImageBitmap( mBitmaps.get(position) );
         return imageView;
     }