Am 25.04.2017 um 22:13 schrieb Petr Slabý:
your message caught my attention, so I could not resist to try and
investigate it a little. I did not get too far and do not have the
time to do any tests, but maybe at least a small hint. To at least
have a chance that the sun java2d machinery draws the image without
converting it first, BufferedImage.getType() must return something
else than TYPE_CUSTOM. (At least I think so) For IndexColorModel, the
raster has to be either BytePackedRaster or ByteComponentRaster.
ByteComponentRaster resulting in BufferedImage type TYPE_BYTE_INDEXED
is a safer bet.
I might be talking rubbish, but maybe it is worth trying.
Thanks :-)
https://issues.apache.org/jira/browse/PDFBOX-3768
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