An extension of Prawn that improves the performance when embedding PNG images containing an alpha channel
Ruby
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README.rdoc

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 test against the lastest Prawn gem installed

rake test

or using a specific version

rake test PRAWN_VERSION=0.5.1

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.