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Short Description
Simple HTML conversion service
Full Description

Simple HTML Conversion Service

Copyright ©2017 Michael Kenney

Usage

This service provides four endpoints: /gif, /jpg, /pdf, and /png. In order to make use of them, POST a valid HTML document to any of these endpoints and the raw result will be returned with an appropriate content-type header.

Options

Options are passed as URL query parameters. For example, to print a PDF in landscape orientation, the POST URL would be /pdf?orientation=landscape.

  • All endpoints:

    • allow \<path>: Allow the file or files from the specified folder to be loaded (repeatable)
    • checkbox-checked-svg \<path>: Use this SVG file when rendering checked checkboxes
    • checkbox-svg \<path>: Use this SVG file when rendering unchecked checkboxes
    • cookie \<name> \<value>: Set an additional cookie (repeatable)
    • cookie-jar \<path>: Read and write cookies from and to the supplied cookie jar file
    • custom-header \<name> \<value>: Set an additional HTTP header (repeatable)
    • custom-header-propagation: Add HTTP headers specified by custom-header for each resource request.
    • enable-plugins: Enable installed plugins (plugins will likely not work)
    • encoding \<encoding>: Set the default text encoding, for input
    • debug-javascript: Show javascript debugging output
    • disable-javascript: Do not allow web pages to run javascript
    • disable-plugins: Disable installed plugins (default)
    • enable-javascript: Do allow web pages to run javascript (default)
    • images: Do load or print images (default)
    • javascript-delay \<msec>: Wait some milliseconds for javascript finish (default 200)
    • load-error-handling \<handler>: Specify how to handle pages that fail to load; abort, ignore or skip (default abort)
    • minimum-font-size \<int>: Minimum font size
    • no-custom-header-propagation: Do not add HTTP headers specified by custom-header for each resource request.
    • no-debug-javascript: Do not show javascript debugging output (default)
    • no-images: Do not load or print images
    • no-stop-slow-scripts: Do not Stop slow running javascripts (default)
    • password \<password>: HTTP Authentication password
    • post \<name> \<value>: Add an additional post field (repeatable)
    • post-file \<name> \<path>: Post an additional file (repeatable)
    • proxy \<proxy>: Use a proxy
    • radiobutton-checked-svg \<path>: Use this SVG file when rendering checked radiobuttons
    • radiobutton-svg \<path>: Use this SVG file when rendering unchecked radiobuttons
    • stop-slow-scripts: Stop slow running javascripts (default)
    • user-style-sheet \<url>: Specify a user style sheet, to load with every page
    • username \<username>: HTTP Authentication username
    • window-status \<windowStatus>: Wait until window.status is equal to this string before rendering page
    • zoom \<float>: Use this zoom factor (default 1)
  • The /jpg, /png, and /gif endpoints:

    • crop-h: an integer describing the number of pixels to apply
    • crop-w: an integer describing the number of pixels to apply
    • crop-x: an integer describing the number of pixels to apply
    • crop-y: an integer describing the number of pixels to apply
    • height: an integer describing the number of pixels to apply
    • quality: an integer value from 0 to 100
    • width: an integer describing the number of pixels to apply
  • The /pdf endpoint:

    • background: Do print background (default)
    • collate: Collate when printing multiple copies (default)
    • copies \<number>: Number of copies to print into the pdf file (default 1)
    • dpi \<dpi>: Change the dpi explicitly (this has no effect on X11 based systems)
    • grayscale: PDF will be generated in grayscale
    • lowquality: Generates lower quality pdf/ps. Useful to shrink the result document space
    • margin-bottom \<unitreal>: Set the page bottom margin (default 10mm)
    • margin-left \<unitreal>: Set the page left margin (default 10mm)
    • margin-right \<unitreal>: Set the page right margin (default 10mm)
    • margin-top \<unitreal>: Set the page top margin (default 10mm)
    • no-background: Do not print background
    • no-collate: Do not collate when printing multiple copies
    • orientation \<orientation>: Set orientation to Landscape or Portrait (default Portrait)
    • output-format \<format>: Specify an output format to use pdf or ps, instead of looking at the extention of the output filename
    • page-height \<unitreal>: Page height
    • page-offset \<offset>: Set the starting page number (default 0)
    • page-size \<Size>: Set paper size to; A4, Letter, etc. (default A4)
    • page-width \<unitreal>: Page width
    • title \<text>: The title of the generated pdf file (The title of the first document is used if not specified)

License

GNU LESSER GENERAL PUBLIC LICENSE

Version 3, 29 June 2007

Copyright © 2007 Free Software Foundation, Inc.

Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.

This version of the GNU Lesser General Public License incorporates the terms and conditions of version 3 of the GNU General Public License, supplemented by the additional permissions listed below.

0. Additional Definitions.

As used herein, “this License” refers to version 3 of the GNU Lesser General Public License, and the “GNU GPL” refers to version 3 of the GNU General Public License.

“The Library” refers to a covered work governed by this License, other than an Application or a Combined Work as defined below.

An “Application” is any work that makes use of an interface provided by the Library, but which is not otherwise based on the Library. Defining a subclass of a class defined by the Library is deemed a mode of using an interface provided by the Library.

A “Combined Work” is a work produced by combining or linking an Application with the Library. The particular version of the Library with which the Combined Work was made is also called the “Linked Version”.

The “Minimal Corresponding Source” for a Combined Work means the Corresponding Source for the Combined Work, excluding any source code for portions of the Combined Work that, considered in isolation, are based on the Application, and not on the Linked Version.

The “Corresponding Application Code” for a Combined Work means the object code and/or source code for the Application, including any data and utility programs needed for reproducing the Combined Work from the Application, but excluding the System Libraries of the Combined Work.

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