prawn-fast-png

= 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].