Open haraldk opened 8 years ago
Hi Harald,
Do we have any updates on this? A customer is asking...
Thank you Adrian
Hi Adrian,
The TIFF subsampling is in progress. BMP no, JPEG lossless no (though I obviously want to fix these too, as soon as possible). What is your customer's requirement?
I wish I could, but I can't promise any dates as long as this is a spare time project that I don't make any money from. Feeding the family must come first. :-)
But as mentioned above, there are test cases for this, that you could enable and fix, if you are in a hurry.
Best regards,
-- Harald K
Hi Harald,
I understand and sympathize with that. We have some 2 types of rendering for some image files like tiff. One large that works and one small that does not work on Tiffs because of the issue. We'll probably release in a week or so as we are not on fixed schedule. It's not a do or die but it's an outstanding bug that's been there for a while.
Cheers, Adrian
On Fri, Jul 21, 2017 at 7:52 PM, Harald Kuhr notifications@github.com wrote:
Hi Adrian,
The TIFF subsampling is in progress. BMP no, JPEG lossless no. What is your customer's requirement?
I wish I could, but I can't promise any dates as long as this is a spare time project that I don't make any money from. Feeding the family must come first. :-)
But as mentioned above, there are test cases for this, that you could enable and fix, if you are in a hurry.
Best regards,
-- Harald K
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Seems most of this is fixed for the TIFFImageReader. Postponing the remainder for the BMP format to later version.
See overrides of
ImageReaderAbstractTest.testReadWithSubsampleParamPixels
with@Ignore
annotations.There are also issues left with subsampling sub-component (ie. 1, 2, 4 bits/pixel, packed ushort 565/4444 etc) types in the
TIFFImageReader
.JPEGLossless currently does not support subsampling.
More rigorous testing should probably be applied to other formats as well. :-)