Module: PDF::Core::Filters::DCTDecode

Defined in:

lib/pdf/core/filters.rb

Overview

Data encoding using DCT (discrete cosine transform) technique based on the JPEG standard.

Pass through stub.

Class Method Summary

• .decode(stream, _params = nil) ⇒ String

  Decode stream data.

• .encode(stream, _params = nil) ⇒ String

  Encode stream data.

Class Method Details

.decode(stream, _params = nil) ⇒ String

Decode stream data

Parameters:

• stream (String) —

  stream data

• _params (nil) (defaults to: nil) —

  unused, here for API compatibility

Returns:

• (String)

Source Code

lib/pdf/core/filters.rb, line 49

49	def self.decode(stream, _params = nil)
50	stream
51	end

.encode(stream, _params = nil) ⇒ String

Encode stream data

Parameters:

• stream (String) —

  stream data

• _params (nil) (defaults to: nil) —

  unused, here for API compatibility

Returns:

• (String)

Source Code

lib/pdf/core/filters.rb, line 40

40	def self.encode(stream, _params = nil)
41	stream
42	end