adorn 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_r348460761
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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:
That's also OK. Should I add some PngConstants?
PARAM_KEY_PNG_DEFLATE_COMPRESSION_LEVEL ="PNG_DEFLATE_COMPRESSION_LEVEL";
public static final int PNG_DEFLATE_COMPRESSION_LEVEL_DEFAULT=
Deflater.DEFAULT_COMPRESSION;
public static final int PNG_DEFLATE_COMPRESSION_LEVEL_BEST_COMPRESSION=
Deflater.BEST_COMPRESSION;
public static final int PNG_DEFLATE_COMPRESSION_LEVEL_BEST_SPEED=
Deflater.BEST_SPEED;
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