prawn-fast-png

An extension of Prawn that improves the performance when embedding PNG images containing an alpha channel. Uses RMagick to separate RGB and alpha channels.

Usage

This gem doesn’t introduce any API changes, so please refer to Prawn's RDoc.

  require 'prawn'
  require 'prawn/fast_png'

  pdf = Prawn::Document.new
  pdf.image 'dice.png'
  pdf.render_file 'example.pdf'

Running Prawn’s tests

To run tests you need to execute first…

  git submodule init
  git submodule update

  cd vendor/prawn
  git submodule init
  git submodule update

  cd ../..

…then…

  rake test

GitHub

github.com/amberbit/prawn-fast-png

Mailing list

groups.google.com/group/prawn-ruby

Credits

prawn-fast-png is maintained by Wojciech Piekutowski, and is funded by AmberBit.