Re: [gscan2pdf-help] Failing to save as pdf

[Jeffrey R. <jef...@gm...>]

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On 10/10/13 12:01, Cédric Macquat wrote:
> I just wanted to use gscan2pdf to produce a pdf file, but it fails 
> when I save the file as pdf. I think when I want to produce a pdf
> after the OCR is done I only have to save as pdf. So I don't know
> what is wrong. In gscan2pdf I get:
> 
> Error creating PDF image object: Unknown format  file
> 
> I'm using the last version of gscan2pdf. Do you have an idea what
> I'm doing wrong or what can be the problem ?

...

> INFO - Writing temporary image /tmp/gscan2pdf-R7pM/eq3I17frKW.tif
> with depth 1 WARN - Exception 450: BitsPerSample 1 not allowed for
> JPEG. `JPEGSetupEncode' @ error/tiff.c/TIFFErrors/563 INFO - tiffcp
> -c lzw /tmp/gscan2pdf-R7pM/eq3I17frKW.tif
> /tmp/gscan2pdf-R7pM/Uj1mJkmuoc.tif INFO - TIFFFillStrip: Invalid
> strip byte count 0, strip 0. /tmp/gscan2pdf-R7pM/eq3I17frKW.tif:
> Error, can't read strip 0.

It looks to me that gscan2pdf is trying to saving a 1-bit JPEG, which
is not allowed, as JPEGs have to be at least 16bit.

Can you give me the JPEG you imported so that I can test it - or can
you give me a similar image which produces the same problem.

Regards

Jeff
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