Mugo wkhtmltopdf

Mugo wkhtmltopdf is an eZ Publish Legacy extension which integrates the phpwkhtmltopdf library into eZ Publish to provide the basis for a solution for generating PDFs using eZ Publish templates and content stored within eZ Publish.

• Copyright

• License

Composer Installation

1. Install the package through composer:

composer require mugo/mugo-wkhtmltopdf dev-master;

2. Activate the extension for all siteaccesses using settings/override/site.ini.append.php by manually adding the extension name 'mugo_wkhtmltopdf' to [ExtensionSettings] ActiveExtensions[] settings array. Here is an example:

[ExtensionSettings]
ActiveExtensions[]
ActiveExtensions[]=mugo_wkhtmltopdf

3. Regenerate the autoloads array using php command: php ./bin/php/ezpgenerateautoloads.php;

4. Clear all caches using php command: php ./bin/php/ezcache.php --clear-all;

Manual Installation

1. Extract the contents under the extension/ directory of your eZ Publish installation

2. Activate the extension for all siteaccesses using settings/override/site.ini.append.php by manually adding the extension name 'mugo_wkhtmltopdf' to [ExtensionSettings] ActiveExtensions[] settings array. Here is an example:

[ExtensionSettings]
ActiveExtensions[]
ActiveExtensions[]=mugo_wkhtmltopdf

3. Regenerate the autoloads array using php command: php ./bin/php/ezpgenerateautoloads.php;

4. Clear all caches using php command: php ./bin/php/ezcache.php --clear-all;

Testing Installation

You can test it by accessing http://siteURL/wkhtmltopdf/node/2

Note: The extension uses the SiteURL in site.ini setting to generate the pdf, please make sure it is correct pointing to the current host url.

Installing wkhtmltopdf on CentOS

yum install fontconfig libXrender libXext xorg-x11-fonts-Type1 xorg-x11-fonts-75dpi freetype libpng zlib libjpeg-turbo openssl;
wget http://download.gna.org/wkhtmltopdf/0.12/0.12.2.1/wkhtmltox-0.12.2.1_linux-centos6-amd64.rpm;
rpm -ivh wkhtmltox-0.12.2.1_linux-centos6-amd64.rpm;
ln -s /usr/local/bin/wkhtmltopdf /usr/bin/;

If SELinux is running, this must be enabled or wkhtmltopdf will segfault:

setsebool -P httpd_execmem 1;

Install this file at /etc/fonts/conf.d/10-wkhtmltopdf.conf to improve text quality

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<!-- Improve kerning and spacing for wkhtmltopdf as per https://github.com/wkhtmltopdf/wkhtmltopdf/issues/45#issuecomment-53485578 -->
<fontconfig>
 <match target="font">
  <edit mode="assign" name="rgba">
   <const>rgb</const>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="hinting">
   <bool>true</bool>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="hintstyle">
   <const>hintslight</const>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="antialias">
   <bool>true</bool>
  </edit>
 </match>
  <match target="font">
    <edit mode="assign" name="lcdfilter">
      <const>lcddefault</const>
    </edit>
  </match>
</fontconfig>

Optional Image Quality Settings

We need to use high resolutions images, we can also improve the image quality by changing the transparent to a solid color.

Change the image settings in a settings override file: image.ini.append.php

[ImageMagick]
...
Filters[]=background=-background %1
Filters[]=flatten=-flatten
...
[sample_pdf_image]
Filters[]
Filters[]=background=#eee
Filters[]=flatten