--- a/jdk/src/share/classes/com/sun/imageio/plugins/bmp/BMPImageWriter.java	Mon Jun 08 13:56:45 2009 -0700
+++ b/jdk/src/share/classes/com/sun/imageio/plugins/bmp/BMPImageWriter.java	Thu Jun 11 13:47:42 2009 +0400
@@ -506,6 +506,19 @@
 
         writeFileHeader(fileSize, offset);
 
+        /* According to MSDN description, the top-down image layout
+         * is allowed only if compression type is BI_RGB or BI_BITFIELDS.
+         * Images with any other compression type must be wrote in the
+         * bottom-up layout.
+         */
+        if (compressionType == BMPConstants.BI_RGB ||
+            compressionType == BMPConstants.BI_BITFIELDS)
+        {
+            isTopDown = bmpParam.isTopDown();
+        } else {
+            isTopDown = false;
+        }
+
         writeInfoHeader(headerSize, bitsPerPixel);
 
         // compression
@@ -588,8 +601,6 @@
             return;
         }
 
-        isTopDown = bmpParam.isTopDown();
-
         int maxBandOffset = bandOffsets[0];
         for (int i = 1; i < bandOffsets.length; i++)
             if (bandOffsets[i] > maxBandOffset)
@@ -1299,7 +1310,7 @@
         stream.writeInt(w);
 
         // height
-        stream.writeInt(h);
+        stream.writeInt(isTopDown ? -h : h);
 
         // number of planes
         stream.writeShort(1);