[GitHub] [commons-imaging] kinow commented on a change in pull request #58: [IMAGING-243] PNG Writer Indexed Color with semi-transparent Pixels and Better Compression

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kinow commented on a change in pull request #58: [IMAGING-243] PNG Writer Indexed Color with semi-transparent Pixels and Better Compression 
URL: https://github.com/apache/commons-imaging/pull/58#discussion_r348437846
 
 

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 File path: src/main/java/org/apache/commons/imaging/formats/png/PngWriter.java
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 @@ -596,8 +588,10 @@ public void writeImage(final BufferedImage src, final OutputStream os, Map<Strin
             // Debug.debug("uncompressed", uncompressed.length);
 
             final ByteArrayOutputStream baos = new ByteArrayOutputStream();
-            final DeflaterOutputStream dos = new DeflaterOutputStream(baos);
             final int chunkSize = 256 * 1024;
+            Deflater deflater = new Deflater(Deflater.BEST_COMPRESSION);
 
 Review comment:
   Hi @adorn what if we keep the default behaviour (i.e. use default compression level) but allow users to change it?
   
   See https://github.com/adorn/commons-imaging/pull/1

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