Class: Origami::Filter::DCT

Inherits:

Object

• Object
• Origami::Filter::DCT

Includes:

Origami::Filter

Defined in:

lib/origami/filters/dct.rb

Overview

Class representing a Filter used to encode and decode data with DCT (JPEG) compression algorithm.

Defined Under Namespace

Classes: DecodeParms

Instance Method Summary

• #decode(stream) ⇒ Object

  DCTDecode implies that data is a JPEG image container.

• #encode(stream) ⇒ Object
• #initialize(parameters = {}) ⇒ DCT constructor

  A new instance of DCT.

Constructor Details

#initialize(parameters = {}) ⇒ DCT

Returns a new instance of DCT.

# File 'lib/origami/filters/dct.rb', line 42

def initialize(parameters = {})
  super(DecodeParms.new(parameters))
end

Instance Method Details

#decode(stream) ⇒ Object

DCTDecode implies that data is a JPEG image container. Just returns the raw JPEG image as is.

# File 'lib/origami/filters/dct.rb', line 54

def decode(stream)
  stream
end

#encode(stream) ⇒ Object

# File 'lib/origami/filters/dct.rb', line 46

def encode(stream)
  stream
end