https://github.com/amberbit/prawn-fast-png

An extension of Prawn that improves the performance when embedding PNG images containing an alpha channel
https://github.com/amberbit/prawn-fast-png

Last synced: 3 months ago
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An extension of Prawn that improves the performance when embedding PNG images containing an alpha channel

• Host: GitHub
• URL: https://github.com/amberbit/prawn-fast-png
• Owner: amberbit
• License: other
• Created: 2009-04-04T19:53:37.000Z (over 15 years ago)
• Default Branch: master
• Last Pushed: 2022-02-15T00:24:18.000Z (over 2 years ago)
• Last Synced: 2023-12-18T22:50:11.731Z (11 months ago)
• Language: Ruby
• Homepage: http://amberbit.com/code
• Size: 174 KB
• Stars: 30
• Watchers: 5
• Forks: 23
• Open Issues: 7
• Metadata Files:
  • Readme: README.rdoc
  • License: COPYING

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README

        
= prawn-fast-png

An extension of Prawn[http://github.com/sandal/prawn] that improves the

performance when embedding PNG images containing an alpha channel. Uses

RMagick[http://rmagick.rubyforge.org/] to separate RGB and alpha channels.

= Usage

This gem doesn't introduce any API changes, so please refer to

{Prawn's RDoc}[http://prawn.majesticseacreature.com/docs/prawn-core/].

  require 'prawn'

  require 'prawn/fast_png'

  pdf = Prawn::Document.new

  pdf.image 'dice.png'

  pdf.render_file 'example.pdf'

= Running Prawn's tests

  cd path_to_prawn_src

  git tag # available versions

  git checkout version.tag

  # or

  git checkout master

  cd -

  rake test PRAWN_DIR=path_to_prawn_src

for versions 0.5.1-0.8.3 add PRAWN_REQUIRE=prawn/core option

  rake test PRAWN_DIR=path_to_prawn_src PRAWN_REQUIRE=prawn/core

= GitHub

http://github.com/amberbit/prawn-fast-png

= Mailing list

http://groups.google.com/group/prawn-ruby

=Credits

prawn-fast-png is maintained by {Wojciech Piekutowski}[http://piekutowski.net],

and is funded by AmberBit[http://amberbit.com].