Hi, Please review this webrev fixing the long-standing bug in imageio PNGImageWriter to support compression levels: bug: https://bugs.openjdk.java.net/browse/JDK-6488522 webrev: http://cr.openjdk.java.net/~lbourges/png/PNGWriter-6488522.0/
Changes: - default Deflater level changed from 9 (best) to 4 (medium) - added compression parameter support (mode, quality) - added missing @Override and fixed several warnings (public modifiers) Best regards, Laurent