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README

==========================> wkhtmltopdf 0.9.5 Manual <==========================
This file documents wkhtmltopdf, a program capable of converting html documents
into PDF documents.

==================================> Contact <===================================
If you experience bugs or want to request new features please visit 
<http://code.google.com/p/wkhtmltopdf/issues/list>, if you have any problems or
comments please feel free to contact me: see 
<http://www.madalgo.au.dk/~jakobt/#about>

===========================> Reduced Functionality <============================
Some versions of wkhtmltopdf are compiled against a version of QT without the
wkhtmltopdf patches. These versions are missing some features, you can find out
if your version of wkhtmltopdf is one of these by running wkhtmltopdf --version
if your version is against an unpatched QT, you can use the static version to
get all functionality.

Currently the list of features only supported with patch QT includes:

 * Printing more then one HTML document into a PDF file.
 * Running without an X11 server.
 * Adding a document outline to the PDF file.
 * Adding headers and footers to the PDF file.
 * Generating a table of contents.
 * Adding links in the generated PDF file.
 * Printing using the screen media-type.
 * Disabling the smart shrink feature of webkit.

==================================> License <===================================
Copyright (C) 2008,2009 Wkhtmltopdf Authors.



License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO
WARRANTY, to the extent permitted by law.

==================================> Authors <===================================
Written by Jakob Truelsen. Patches by Mário Silva, Benoit Garret and Emmanuel
Bouthenot.

==================================> Synopsis <==================================
wkhtmltopdf [OPTIONS]... <input file> [More input files] <output file>

==============================> General Options <===============================
-b, --book *                          Set the options one would usually set when
                                      printing a book
    --collate                         Collate when printing multiple copies
    --cookie <name> <value>           Set an additional cookie (repeatable)
    --cookie-jar <path>               Read and write cookies from and to the
                                      supplied cookie jar file
    --copies <number>                 Number of copies to print into the pdf
                                      file (default 1)
    --cover * <url>                   Use html document as cover. It will be
                                      inserted before the toc with no headers
                                      and footers
    --custom-header <name> <value>    Set an additional HTTP header (repeatable)
    --debug-javascript                Show javascript debugging output
-H, --default-header *                Add a default header, with the name of the
                                      page to the left, and the page number to
                                      the right, this is short for:
                                      --header-left='[webpage]'
                                      --header-right='[page]/[toPage]' --top 2cm
                                      --header-line
    --disable-external-links *        Do no make links to remote web pages
    --disable-internal-links *        Do no make local links
-n, --disable-javascript              Do not allow web pages to run javascript
    --disable-smart-shrinking *       Disable the intelligent shrinking strategy
                                      used by WebKit that makes the pixel/dpi
                                      ratio none constant
-d, --dpi <dpi>                       Change the dpi explicitly (this has no
                                      effect on X11 based systems)
    --enable-plugins                  Enable installed plugins (such as flash
    --encoding <encoding>             Set the default text encoding, for input
    --extended-help                   Display more extensive help, detailing
                                      less common command switches
-g, --grayscale                       PDF will be generated in grayscale
-h, --help                            Display help
    --htmldoc                         Output program html help
-l, --lowquality                      Generates lower quality pdf/ps. Useful to
                                      shrink the result document space
    --manpage                         Output program man page
-B, --margin-bottom <unitreal>        Set the page bottom margin (default 10mm)
-L, --margin-left <unitreal>          Set the page left margin (default 10mm)
-R, --margin-right <unitreal>         Set the page right margin (default 10mm)
-T, --margin-top <unitreal>           Set the page top margin (default 10mm)
    --minimum-font-size <int>         Minimum font size (default 5)
    --no-background                   Do not print background
-O, --orientation <orientation>       Set orientation to Landscape or Portrait
    --page-height <unitreal>          Page height (default unit millimeter)
    --page-offset * <offset>          Set the starting page number (default 1)
-s, --page-size <size>                Set paper size to: A4, Letter, etc.
    --page-width <unitreal>           Page width  (default unit millimeter)
    --password <password>             HTTP Authentication password
    --post <name> <value>             Add an additional post field (repeatable)
    --post-file <name> <path>         Post an aditional file (repeatable)
    --print-media-type *              Use print media-type instead of screen
-p, --proxy <proxy>                   Use a proxy
-q, --quiet                           Be less verbose
    --read-args-from-stdin            Read command line arguments from stdin
    --readme                          Output program readme
    --redirect-delay <msec>           Wait some milliseconds for js-redirects
                                      (default 200)
    --replace * <name> <value>        Replace [name] with value in header and
                                      footer (repeatable)
    --stop-slow-scripts               Stop slow running javascripts
    --title <text>                    The title of the generated pdf file (The
                                      title of the first document is used if not
                                      specified)
-t, --toc *                           Insert a table of content in the beginning
                                      of the document
    --use-xserver *                   Use the X server (some plugins and other
                                      stuff might not work without X11)
    --user-style-sheet <url>          Specify a user style sheet, to load with
                                      every page
    --username <username>             HTTP Authentication username
-V, --version                         Output version information an exit
    --zoom <float>                    Use this zoom factor (default 1)

Items marked * are only available using patched QT.

=========================> Headers And Footer Options <=========================
    --footer-center * <text>          Centered footer text
    --footer-font-name * <name>       Set footer font name (default Arial)
    --footer-font-size * <size>       Set footer font size (default 11)
    --footer-html * <url>             Adds a html footer
    --footer-left * <text>            Left aligned footer text
    --footer-line *                   Display line above the footer
    --footer-right * <text>           Right aligned footer text
    --footer-spacing * <real>         Spacing between footer and content in mm
                                      (default 0)
    --header-center * <text>          Centered header text
    --header-font-name * <name>       Set header font name (default Arial)
    --header-font-size * <size>       Set header font size (default 11)
    --header-html * <url>             Adds a html header
    --header-left * <text>            Left aligned header text
    --header-line *                   Display line below the header
    --header-right * <text>           Right aligned header text
    --header-spacing * <real>         Spacing between header and content in mm
                                      (default 0)

Items marked * are only available using patched QT.

==========================> Table Of Content Options <==========================
    --toc-depth * <level>             Set the depth of the toc (default 3)
    --toc-disable-back-links *        Do not link from section header to toc
    --toc-disable-links *             Do not link from toc to sections
    --toc-font-name * <name>          Set the font used for the toc (default
                                      Arial)
    --toc-header-font-name * <name>   The font of the toc header (if unset use
                                      --toc-font-name)
    --toc-header-font-size * <size>   The font size of the toc header (default
                                      15)
    --toc-header-text * <text>        The header text of the toc (default Table
                                      Of Contents)
    --toc-l1-font-size * <size>       Set the font size on level 1 of the toc
                                      (default 12)
    --toc-l1-indentation * <num>      Set indentation on level 1 of the toc
                                      (default 0)
    --toc-l2-font-size * <size>       Set the font size on level 2 of the toc
                                      (default 10)
    --toc-l2-indentation * <num>      Set indentation on level 2 of the toc
                                      (default 20)
    --toc-l3-font-size * <size>       Set the font size on level 3 of the toc
                                      (default 8)
    --toc-l3-indentation * <num>      Set indentation on level 3 of the toc
                                      (default 40)
    --toc-l4-font-size * <size>       Set the font size on level 4 of the toc
                                      (default 6)
    --toc-l4-indentation * <num>      Set indentation on level 4 of the toc
                                      (default 60)
    --toc-l5-font-size * <size>       Set the font size on level 5 of the toc
                                      (default 4)
    --toc-l5-indentation * <num>      Set indentation on level 5 of the toc
                                      (default 80)
    --toc-l6-font-size * <size>       Set the font size on level 6 of the toc
                                      (default 2)
    --toc-l6-indentation * <num>      Set indentation on level 6 of the toc
                                      (default 100)
    --toc-l7-font-size * <size>       Set the font size on level 7 of the toc
                                      (default 0)
    --toc-l7-indentation * <num>      Set indentation on level 7 of the toc
                                      (default 120)
    --toc-no-dots *                   Do not use dots, in the toc

Items marked * are only available using patched QT.

==============================> Outline Options <===============================
    --dump-outline * <file>           Dump the outline to a file
    --outline *                       Put an outline into the pdf
    --outline-depth * <level>         Set the depth of the outline (default 4)

Items marked * are only available using patched QT.

=============================> Specifying A Proxy <=============================
By default proxy information will be read from the environment variables: proxy,
all_proxy and http_proxy, proxy options can also by specified with the -p switch

<type> := "http://" | "socks5://"
<serif> := <username> (":" <password>)? "@"
<proxy> := "None" | <type>? <sering>? <host> (":" <port>)?

Here are some examples (In case you are unfamiliar with the BNF):

http://user:password@myproxyserver:8080
socks5://myproxyserver
None

============================> Footers And Headers <=============================
Headers and footers can be added to the document by the --header-* and --footer*
arguments respectfully.  In header and footer text string supplied to e.g.
--header-left, the following variables will be substituted.

 * [page]       Replaced by the number of the pages currently being printed
 * [frompage]   Replaced by the number of the first page to be printed
 * [topage]     Replaced by the number of the last page to be printed
 * [webpage]    Replaced by the URL of the page being printed
 * [section]    Replaced by the name of the current section
 * [subsection] Replaced by the name of the current subsection


As an example specifying --header-right "Page [page] of [toPage]", will result
in the text "Page x of y" where x is the number of the current page and y is the
number of the last page, to appear in the upper left corner in the document.

Headers and footers can also be supplied with HTML documents. As an example one
could specify --header-html header.html, and use the following content in
header.html:

<html><head><script>
function subst() {
  var vars={};
  var x=document.location.search.substring(1).split('&');
  for(var i in x) {var z=x[i].split('=',2);vars[z[0]] = unescape(z[1]);}
  var x=['frompage','topage','page','webpage','section','subsection','subsubsection'];
  for(var i in x) {
    var y = document.getElementsByClassName(x[i]);
    for(var j=0; j<y.length; ++j) y[j].textContent = vars[x[i]];
  }
}
</script></head><body style="border:0; margin: 0;" onload="subst()">
<table style="border-bottom: 1px solid black; width: 100%">
  <tr>
    <td class="section"></td>
    <td style="text-align:right">
      Page <span class="page"></span> of <span class="topage"></span>
    </td>
  </tr>
</table>
</body></html>


As can be seen from the example, the arguments are sent to the header/footer
html documents in get fashion.

==================================> Outlines <==================================
Wkhtmltopdf with patched qt has support for PDF outlines also known as book
marks, this can be enabled by specifying the --outline switch. The outlines are
generated based on the <h?> tags, for a in-depth description of how this is done
see the "Table Of Contest" section. 

The outline tree can sometimes be very deep, if the <h?> tags where spread to
generous in the HTML document.  The --outline-depth switch can be used to bound
this.

===============================> Page Breaking <================================
The current page breaking algorithm of WebKit leaves much to be desired.
Basically webkit will render everything into one long page, and then cut it up
into pages. This means that if you have two columns of text where one is
vertically shifted by half a line. Then webkit will cut a line into to pieces
display the top half on one page. And the bottom half on another page. It will
also break image in two and so on.  If you are using the patched version of QT
you can use the CSS page-break-inside property to remedy this somewhat. There is
no easy solution to this problem, until this is solved try organising your HTML
documents such that it contains many lines on which pages can be cut cleanly.

See also: <http://code.google.com/p/wkhtmltopdf/issues/detail?id=9>, 
<http://code.google.com/p/wkhtmltopdf/issues/detail?id=33> and 
<http://code.google.com/p/wkhtmltopdf/issues/detail?id=57>.

=================================> Page sizes <=================================
The default page size of the rendered document is A4, but using this --page-size
optionthis can be changed to almost anything else, such as: A3, Letter and
Legal.  For a full list of supported pages sizes please see 
<http://doc.trolltech.com/4.6/qprinter.html#PageSize-enum>.

For a more fine grained control over the page size the --page-height and
--page-width options may be used

========================> Reading arguments from stdin <========================
If you need to convert a lot of pages in a batch, and you feel that wkhtmltopdf
is a bit to slow to start up, then you should try --read-args-from-stdin,

When --read-args-from-stdin each line of input sent to wkhtmltopdf on stdin will
act as a separate invocation of wkhtmltopdf, with the arguments specified on the
given line combined with the arguments given to wkhtmltopdf

For example one could do the following:

echo "http://doc.trolltech.com/4.5/qapplication.html qapplication.pdf" >> cmds
echo "--cover google.com http://en.wikipedia.org/wiki/Qt_(toolkit) qt.pdf" >> cmds
wkhtmltopdf --read-args-from-stdin --book < cmds

===============================> Static version <===============================
On the wkhtmltopdf website you can download a static version of wkhtmltopdf 
<http://code.google.com/p/wkhtmltopdf/downloads/list>. This static binary will
work on most systems and comes with a build in patched QT.

Unfortunately the static binary is not particularly static, on Linux it depends
on both glibc and openssl, furthermore you will need to have an xserver
installed but not necessary running. You will need to have different fonts
install including xfonts-scalable (Type1), and msttcorefonts.  See 
<http://code.google.com/p/wkhtmltopdf/wiki/static> for trouble shouting.

================================> Compilation <=================================
It can happen that the static binary does not work for your system for one
reason or the other, in that case you might need to compile wkhtmltopdf
yourself.

*GNU/Linux:*

Before compilation you will need to install dependencies: X11, gcc, git and
openssl. On Debian/Ubuntu this can be done as follows:

sudo apt-get build-dep libqt4-gui libqt4-network libqt4-webkit
sudo apt-get install openssl build-essential xorg git-core git-doc libssl-dev

On other systems you must use your own package manager, the packages might be
named differently.

First you must check out the modified version of QT

git clone git://gitorious.org/+wkhtml2pdf/qt/wkhtmltopdf-qt.git wkhtmltopdf-qt
Next you must configure, compile and install QT, note this will take quite some
time, depending on what arguments you use to configure qt

cd wkhtmltopdf-qt
./configure -nomake tools,examples,demos,docs,translations -opensource -prefix ../wkqt
make -j3
make install
cd ..

All that is needed now is, to compile wkhtmltopdf.

git clone git://github.com/antialize/wkhtmltopdf.git wkhtmltopdf
cd wkhtmltopdf
../wkqt/bin/qmake
make -j3

You show now have a binary called wkhtmltopdf in the currently folder that you
can use, you can optionally install it by running

make install
*Other operative systems and advanced features*

If you want more details or want to compile under other operative systemsother
then GNU/Linux, please see
<http://code.google.com/p/wkhtmltopdf/wiki/compilation>.

================================> Installation <================================
There are several ways to install wkhtmltopdf.  You can download a already
compiled binary, or you can compile wkhtmltopdf yourself. On windows the easiest
way to install wkhtmltopdf is to download the latest installer. On linux you can
download the latest static binary, however you still need to install some other
pieces of software, to learn more about this read the static version section of
the manual.

==================================> Examples <==================================
This section presents a number of examples of how to invoke wkhtmltopdf.

To convert a remote HTML file to PDF:

wkhtmltopdf http://www.google.com google.pdf

To convert a local HTML file to PDF:

wkhtmltopdf my.html my.pdf

You can also convert to PS files if you like:

wkhtmltopdf my.html my.ps

Produce the eler2.pdf sample file:

wkhtmltopdf http://geekz.co.uk/lovesraymond/archive/eler-highlights-2008 eler2.pdf -H --outline

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