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https://issues.apache.org/jira/browse/IMAGING-126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13914578#comment-13914578
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Gary Lucas commented on IMAGING-126:
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Well, the information about Commons Compress is good news. I did quite a bit
of searching the other day for Java and LZW and never found it. Just goes to
show that Google doesn't know everything. Of course, when I saw Damjan's
post, I tried "Java Unix Compress" and the Commons Compress project was the
first hit in my search... Just goes to show that I know even less that Google
:-)
Even though I brought up the issue of the speed of the compressor in this
discussion, it really is a separate issue. I will investigate the faster
compressor and then open up a new issue based on my results. Any changes
conducted as part of IMAGING 126 should focus on the size issue.
I have a real dilemma in terms of making Imaging depend on another project or
just lifting the code out of the alternate project and adding it to Imaging.
Neither alternative is particularly palatable. Has the Apache community come
up with a good practice for this kind of thing?
> TIFF and PNG images should not be bigger than the ones created by java ImageIO
> ------------------------------------------------------------------------------
>
> Key: IMAGING-126
> URL: https://issues.apache.org/jira/browse/IMAGING-126
> Project: Commons Imaging
> Issue Type: Improvement
> Components: Format: PNG, Format: TIFF
> Affects Versions: 1.0
> Environment: W7
> Reporter: Tilman Hausherr
> Priority: Minor
> Attachments: Imaging_126_patch_1.patch, pdfbox-1870-devicen3-01.png,
> pdfbox-1870-devicen3-01.tif, pdfbox-1870-devicen3.pdf-1.png,
> pdfbox-1870-devicen3.pdf-1.tif
>
>
> I tried to use Apache Imaging for the PDFBOX project (PDFBOX-1734) because of
> problems with setting the tiff resolution in java imageio.
> While the code is pretty nice, I found that the generated images are
> sometimes much bigger in size than the ones generated by java imageio.
> Example:
> pdfbox-1870-devicen3-01.png 50 KB (imageio)
> pdfbox-1870-devicen3.pdf-1.png 70 KB (imaging)
> pdfbox-1870-devicen3-01.tif 401 KB (imageio)
> pdfbox-1870-devicen3.pdf-1.tif 1063 KB (imaging)
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