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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (Jira)" <ji...@apache.org> on 2019/09/21 11:10:00 UTC
[jira] [Updated] (PDFBOX-4655) ImageIOUtil.WriteImage creates huge
PNG images when used with default quality on jdk11
[ https://issues.apache.org/jira/browse/PDFBOX-4655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tilman Hausherr updated PDFBOX-4655:
------------------------------------
Description:
[~tallison@apache.org] pointed us to a build failure in Tika on jdk11. The cause may be different .PNG files - I noticed that PNG files saved with ImageIOUtil.write() are huge when done with default quality on jdk12 / 13, which is 1. In the past (jdk8 and before) that parameter had no effect for PNG files but apparently no more.
Todo:
- use flexible default value
- mention in Javadoc
- change command line tools (PDFToImage / ExtractImages)
- change one test
was:
[~tallison@apache.org] pointed us to a build failure in Tika on jdk11. The cause may be different .PNG files - I noticed that PNG files saved with ImageIOUtil.write() are huge when done with default quality, which is 1. In the past that parameter had no effect for PNG files but apparently no more.
Todo:
- use flexible default value
- mention in Javadoc
- change command line tools (PDFToImage / ExtractImages)
- change one test
> ImageIOUtil.WriteImage creates huge PNG images when used with default quality on jdk11
> --------------------------------------------------------------------------------------
>
> Key: PDFBOX-4655
> URL: https://issues.apache.org/jira/browse/PDFBOX-4655
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.0.17
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 2.0.18, 3.0.0 PDFBox
>
>
> [~tallison@apache.org] pointed us to a build failure in Tika on jdk11. The cause may be different .PNG files - I noticed that PNG files saved with ImageIOUtil.write() are huge when done with default quality on jdk12 / 13, which is 1. In the past (jdk8 and before) that parameter had no effect for PNG files but apparently no more.
> Todo:
> - use flexible default value
> - mention in Javadoc
> - change command line tools (PDFToImage / ExtractImages)
> - change one test
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