Name: rmT116609 Date: 03/10/2003


FULL PRODUCT VERSION :
java version "1.4.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-b92)
Java HotSpot(TM) Client VM (build 1.4.0-b92, mixed mode)

FULL OS VERSION :
Windows 2000 ver 5.00.2195 Service Pack 2

A DESCRIPTION OF THE PROBLEM :
When obtaining a PNGImageWriteParam it does not support PNG compression or any of the extra options it should with the JAI Image I/O library.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Try the source listed below.

EXPECTED VERSUS ACTUAL BEHAVIOR :
Should display "Can compress? true"
Should be able to set compression level etc.
Displays "Can compress? false"


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------

import java.util.*;
import javax.imageio.*;

public class PNGTest {

    public static void main(String[] args) {

ImageIO.scanForPlugins();

Iterator writers = ImageIO.getImageWritersByFormatName("png");
ImageWriter writer = (ImageWriter) writers.next();
System.out.println(writer.getClass());
ImageWriteParam param = writer.getDefaultWriteParam();
System.out.println(param.getClass());

System.out.println("Can compress? "+param.canWriteCompressed());
    }
}
---------- END SOURCE ----------
(Review ID: 182341)
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