class ChunkyPNG::Chunk::Text
The Text (tEXt) chunk contains keyword/value metadata about the PNG stream. In this chunk, the value is stored uncompressed.
The tEXt chunk only supports Latin-1 encoded textual data. If you need UTF-8 support, check out the InternationalText chunk type.
@see ChunkyPNG::Chunk::CompressedText @see ChunkyPNG::Chunk::InternationalText
Attributes
keyword[RW]
value[RW]
Public Class Methods
new(keyword, value)
click to toggle source
Calls superclass method
ChunkyPNG::Chunk::Base.new
# File lib/chunky_png/chunk.rb, line 252 def initialize(keyword, value) super('tEXt') @keyword, @value = keyword, value end
read(type, content)
click to toggle source
# File lib/chunky_png/chunk.rb, line 257 def self.read(type, content) keyword, value = content.unpack('Z*a*') new(keyword, value) end
Public Instance Methods
content()
click to toggle source
Creates the content to write to the stream, by concatenating the keyword with the value, joined by a null character.
@return The content that should be written to the datastream.
# File lib/chunky_png/chunk.rb, line 266 def content [keyword, value].pack('Z*a*') end