Class: Pnjson::Chunk

Inherits:
Object
  • Object
show all
Defined in:
lib/pnjson/chunk.rb

Constant Summary collapse

CRITICAL_CHUNKS_TYPES = 
%w( IHDR PLTE IDAT IEND )
ANCILLARY_CHUNKS_TYPES = 
%w(bKGD cHRM gAMA hIST iCCP iTXt pHYs sBIT sPLT
sRGB sTER tEXt tIME tRNS zTXt)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Chunk 



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# File 'lib/pnjson/chunk.rb', line 13

def initialize(options = {})
  @length = options[:length]
  @type   = hex_to_ascii(options[:type])
  @data   = options[:data]
  @crc    = options[:crc]
end

Instance Attribute Details

#crc ⇒ Object

Returns the value of attribute crc.



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# File 'lib/pnjson/chunk.rb', line 6

def crc
  @crc
end

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/pnjson/chunk.rb', line 5

def data
  @data
end

#length ⇒ Object

Returns the value of attribute length.



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# File 'lib/pnjson/chunk.rb', line 3

def length
  @length
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/pnjson/chunk.rb', line 4

def type
  @type
end

Instance Method Details

#to_hash ⇒ Object 



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# File 'lib/pnjson/chunk.rb', line 20

def to_hash
  {
    length: @length,
    type: @type,
    data: @data,
    crc: @crc
  }
end