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An extension of Prawn that improves the performance when embedding PNG images containing an alpha channel
Ruby
tag: v0.2.3

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lib/prawn
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README.rdoc
Rakefile
prawn-fast-png.gemspec

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

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

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.

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