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https://issues.apache.org/jira/browse/IMAGING-243?focusedWorklogId=347271&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-347271
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ASF GitHub Bot logged work on IMAGING-243:
------------------------------------------
Author: ASF GitHub Bot
Created on: 21/Nov/19 09:22
Start Date: 21/Nov/19 09:22
Worklog Time Spent: 10m
Work Description: kinow commented on 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_r348972234
##########
File path: src/main/java/org/apache/commons/imaging/formats/png/PngWriter.java
##########
@@ -396,6 +363,7 @@ public void writeImage(final BufferedImage src, final
OutputStream os, Map<Strin
}
params.remove(ImagingConstants.PARAM_KEY_PIXEL_DENSITY);
params.remove(PngConstants.PARAM_KEY_PHYSICAL_SCALE);
+ params.remove(PngConstants.PARAM_KEY_PNG_DEFLATE_COMPRESSION_LEVEL);
Review comment:
The current API around those parameters is a bit strange. It requires you to
remove them all, in order to validate you have valid parameters. It definitely
needs changing, but for now we will have to stick with the current API.
Looking at your change, you used `getOrDefault` instead of the suggested
patch in that PR - which would work great. But you also had to call `.remove`
here. So I think `compressionLevel` will be always-ever the default level?
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Issue Time Tracking
-------------------
Worklog Id: (was: 347271)
Time Spent: 40m (was: 0.5h)
> PNG Writer Indexed Color with semi-transparent Pixels and Better Compression
> ----------------------------------------------------------------------------
>
> Key: IMAGING-243
> URL: https://issues.apache.org/jira/browse/IMAGING-243
> Project: Commons Imaging
> Issue Type: Improvement
> Components: Format: PNG
> Affects Versions: 1.0-alpha1
> Reporter: Andreas
> Assignee: Bruno P. Kinoshita
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.0-alpha2
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> I updated the PNG-Writer for smaller png-Files:
> * PNG Writer Indexed Color with semi-transparent Pixels
> * Better Compression
>
> See Pull-Request: [https://github.com/apache/commons-imaging/pull/58]
>
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