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Contents
=begin
This file is part of Origami, PDF manipulation framework for Ruby
Copyright (C) 2016 Guillaume Delugré.
Origami is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Origami is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with Origami. If not, see <http://www.gnu.org/licenses/>.
=end
module Origami
module Filter
#
# Class representing a Filter used to encode and decode data with DCT (JPEG) compression algorithm.
#
class DCT
include Filter
class DecodeParms < Dictionary
include StandardObject
field :ColorTransform, :Type => Integer
end
def initialize(parameters = {})
super(DecodeParms.new(parameters))
end
def encode(stream)
raise NotImplementedError.new("DCT filter is not supported", input_data: stream)
end
#
# DCTDecode implies that data is a JPEG image container.
#
def decode(stream)
raise NotImplementedError.new("DCT filter is not supported", input_data: stream)
end
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems