[sane-devel] problems with scanimage to pdf

[ken]

The problem seems to begin in file02.tif, specifically with strip 204. 
What is that?  Where is it?  And how would there be a problem arising 
just there?


On 02/03/2015 02:45 PM, ken wrote:
> Using scanimage seems to produce faulty tiff files.  When I then try to
> create a pdf out of those, the pdf isn't even readable (by xpdf).
>
> Here's the script output.  Lines beginning with '+' are the commands
> which are run:
>
> -----------------------------------
> $ scan
> + scanimage -x 215 -y 279 -l 0 -t 0 --batch=file%02d.tif --format=tiff
> --mode Color --resolution 300 --source Duplex
> Scanning -1 pages, incrementing by 1, numbering from 1
> Scanning page 1
> Scanned page 1. (scanner status = 5)
> Scanning page 2
> Scanned page 2. (scanner status = 5)
> Scanning page 3
> Scanned page 3. (scanner status = 5)
> Scanning page 4
> Scanned page 4. (scanner status = 5)
> Scanning page 5
> scanimage: sane_start: Document feeder out of documents
> + mv file02.tif tmp.tif
> + convert tmp.tif -rotate 180 file02.tif
> convert: tmp.tif: Bogus "StripByteCounts" field, ignoring and
> calculating from imagelength. `TIFFReadDirectory'.
> convert: tmp.tif: Read error on strip 204; got 0 bytes, expected 7608.
> `TIFFFillStrip'.
> + rm tmp.tif
> + mv file02.tif tmp.tif
> + convert tmp.tif -rotate 180 file02.tif
> + tiffcp file01.tif file02.tif file03.tif file04.tif file.tif
> TIFFReadDirectory: Warning, file01.tif: Bogus "StripByteCounts" field,
> ignoring and calculating from imagelength.
> TIFFFillStrip: file01.tif: Read error on strip 204; got 0 bytes,
> expected 7608.
> file01.tif: Error, can't read strip 204.
> + tiff2pdf file.tif
> file.tif: 0: Invalid strip byte count, strip 204.
> tiff2pdf: Error on decoding strip 204 of file.tif.
> tiff2pdf: An error occurred in converting TIFF file.tif to PDF -.
> + xpdf file.pdf
> Syntax Error: Couldn't read xref table
> Syntax Warning: PDF file is damaged - attempting to reconstruct xref
> table...
> Syntax Error: Couldn't find trailer dictionary
> Syntax Error: Couldn't read xref table
> + ls -l file01.tif file02.tif file03.tif file04.tif file.pdf file.tif
> -rw-rw-r-- 1 zl zl 1552272 Feb  3 14:35 file01.tif
> -rw-rw-r-- 1 zl zl 3134320 Feb  3 14:36 file02.tif
> -rw-rw-r-- 1 zl zl 1552272 Feb  3 14:36 file03.tif
> -rw-rw-r-- 1 zl zl 1552272 Feb  3 14:36 file04.tif
> -rw-rw-r-- 1 zl zl     726 Feb  3 14:36 file.pdf
> -rw-rw-r-- 1 zl zl 1553932 Feb  3 14:36 file.tif
> + file file01.tif file02.tif file03.tif file04.tif file.pdf file.tif
> file01.tif: TIFF image data, big-endian
> file02.tif: TIFF image data, little-endian
> file03.tif: TIFF image data, big-endian
> file04.tif: TIFF image data, big-endian
> file.pdf:   PDF document, version 1.1
> file.tif:   TIFF image data, little-endian
> -----------------------------------
>
> So what's the problem?
> tnx
>