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https://issues.apache.org/jira/browse/PDFBOX-1990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13943292#comment-13943292
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Tilman Hausherr edited comment on PDFBOX-1990 at 3/21/14 5:50 PM:
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I added writing bitonal and grayscale images as single color samples and
improved the unit test in rev 1579990. I replaced the test image with one with
some color. I had to disable the 256 grayscale part due to a bug, see
PDFBOX-1993.
was (Author: tilman):
I added writing bitonal and grayscale images as single color samples and
improved the unit test in rev 1579990. I replaced the test image with one with
some color. I had to disable the 256 grayscale part due to a bug for which I
fill file a separate issue.
> Support creating PDF from lossless encoded images
> -------------------------------------------------
>
> Key: PDFBOX-1990
> URL: https://issues.apache.org/jira/browse/PDFBOX-1990
> Project: PDFBox
> Issue Type: Improvement
> Reporter: Tilman Hausherr
> Priority: Minor
>
> Currently we support the insertion of TIFF and JPEG into a PDF, but not PNG.
> We can pass a BufferedImage, but this one will be JPEG compressed which is
> not a good thing for graphics with sharp edges. I suggest that we support PNG
> as well. It is possible because the Flate Filter supports both directions.
> My implementation (coming in a few minutes) is just an RGB based start that
> begs for improvement.
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