[poppler] pdftohtml image quality

[Craig Whitcombe]

Sorry Josh, but I cannot see this -dpi setting

pdftohtml.exe -help

pdftohtml version 0.18.0
Copyright 2005-2011 The Poppler Developers - http://poppler.freedesktop.org
Copyright 1999-2003 Gueorgui Ovtcharov and Rainer Dorsch
Copyright 1996-2004 Glyph & Cog, LLC

Usage: pdftohtml [options] <PDF-file> [<html-file> <xml-file>]
  -f <int>          : first page to convert
  -l <int>          : last page to convert
  -q                : don't print any messages or errors
  -h                : print usage information
  -help             : print usage information
  -p                : exchange .pdf links by .html
  -c                : generate complex document
  -s                : generate single document that includes all pages
  -i                : ignore images
  -noframes         : generate no frames
  -stdout           : use standard output
  -zoom <fp>        : zoom the pdf document (default 1.5)
  -xml              : output for XML post-processing
  -hidden           : output hidden text
  -nomerge          : do not merge paragraphs
  -enc <string>     : output text encoding name
  -dev <string>     : output device name for Ghostscript (png16m, jpeg etc)
  -fmt <string>     : image file format for Splash output (png or jpg)
  -v                : print copyright and version info
  -opw <string>     : owner password (for encrypted files)
  -upw <string>     : user password (for encrypted files)
  -nodrm            : override document DRM settings


trying to use -dpi 96 anyway results in the above help message.

Regards,
Craig





On 22 November 2011 06:45, Josh Richardson <jric at chegg.com> wrote:

> By default pdftohtml is sampling the original image at 72 dpi, whereas
> your browser is probably displaying it at least 96 dpi.  I recommend you
> try bumping up the –dpi parameter.
>
> --josh
>
> From: Craig Whitcombe <craig.whitcombe at gmail.com>
> Date: Sun, 20 Nov 2011 08:02:39 -0800
> To: "poppler at lists.freedesktop.org" <poppler at lists.freedesktop.org>
> Subject: [poppler] pdftohtml image quality
>
> Hello,
>
> Using pdftohtml -c to create a complex document from a pdf, I find that
> the generated png images are not very good when compared to the original
> inside the source pdf.
>
> Is there something that I can do to improve the output quality?
>
> Using version 0.18 with pdftohtml -c somepdf.pdf
> Regards,
> Craig
>
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