It would seem that the real issue is that some code I was using was
doing an implicit convert of the tif image to jpeg before the
transformation took place.
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Sorry to bother.
Angus Stewart wrote:
>
> FOP 0.20.5rc2
>
> ISSUE: TIFF image rendering in pdf is lossy.
>
> QUESTION 1: Is this a configuration item?
> QUESTION 2: How can I, as a user, resolve this issue.
>
> Comparison of tiff image to rendered image in pdf. PDF
> shows marked degredation.
>
> PDF contains tag: /DCTDecode - indicates lossy compression
>
> Using a faxed tiff image.
>
> Looked at ./org/apache/fop/image/TiffImage.java:
> According to code when compression type equals 3 use CCFFilter.
> Suspect, however, that DCTFilter used instead.
>
> tiffinfo:
> Image Width: 1728 Image Length: 1073
> Resolution: 204, 98 pixels/inch
> Bits/Sample: 1
> Compression Scheme: CCITT Group 3
> Photometric Interpretation: min-is-white
> FillOrder: msb-to-lsb
> Orientation: row 0 top, col 0 lhs
> Samples/Pixel: 1
> Rows/Strip: 1073
> Planar Configuration: single image plane
> Group 3 Options: (0 = 0x0)
> Fax Data: clean (0 = 0x0)
>
> Can convert the image format and render with better 'visual'
> results, but this makes fop a little hungry. (tried png).
>
> Your help is appreciated.
>
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