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https://issues.apache.org/jira/browse/PDFBOX-1839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13867794#comment-13867794
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Andreas Lehmkühler commented on PDFBOX-1839:
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We already did the same in RenderUtil, see PDFBOX-1730
> PDFImageWriter default BufferedImage type makes output colors look poor
> -----------------------------------------------------------------------
>
> Key: PDFBOX-1839
> URL: https://issues.apache.org/jira/browse/PDFBOX-1839
> Project: PDFBox
> Issue Type: Improvement
> Environment: XP, JDK7 45
> Reporter: Tilman Hausherr
> Priority: Minor
> Attachments: Kommunikationsbedingungen-Einlagen_FIDOR-Bank.pdf,
> Kommunikationsbedingungen-Einlagen_FIDOR-Bank.pdf-1-bad.png,
> PDFImageWriter.patch,
> kommunikationsbedingungen-einlagen_fidor-bank.pdf-1-good.png
>
>
> The default imageType for PDFImageWriter.writeImage() is 8, which is
> TYPE_USHORT_565_RGB. I suggest to use TYPE_INT_RGB instead. The current
> default might create a poor user experience.
> I also suggest that the type and the resolution ("screen resolution or 96 if
> not detected") be added to the javadoc.
> Finally, the variable "imageType" is used with two different meanings in that
> file: once as a string for the format, once as int for the BufferedImage type.
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