wkhtmltopdf for Crystal

Crystal wrapper for C library libwkhtmltox. wkhtmltopdf and wkhtmltoimage permits to render HTML into PDF and various image formats using the Qt WebKit rendering engine - http://wkhtmltopdf.org/

Requirements

• libwkhtmltox must be installed on the host system
• pkg-config must be available

Installation

• Copy wkhtmltox.pc inside one of pkg-config paths (ex. /usr/local/lib/pkgconfig)
• Or execute before compiling (from wkhtmltopdf shard folder): export PKG_CONFIG_PATH="pwd"
• Add this to your application's shard.yml:

dependencies:
  wkhtmltopdf-crystal:
    github: blocknotes/wkhtmltopdf-crystal

Documentation

• Library settings

Usage

• HTML to PDF:

require "wkhtmltopdf"
Wkhtmltopdf::WkPdf.new( "test.pdf" ).convert( "<h3>Just a test</h3>" )

• URL content to JPG:

require "wkhtmltopdf"
img = Wkhtmltopdf::WkImage.new
img.set_url "http://www.google.it"
img.set_output "test.jpg"
img.set "quality", "90"
img.convert

See examples folder.

Contributors

• Mattia Roccoberton - creator, maintainer