The End (IEND) chunk indicates the last chunk of a PNG stream. It does not contain any data.
# File lib/chunky_png/chunk.rb, line 151 def initialize super('IEND') end
Reads the END chunk. It will check if the content is empty. @param [String] type The four character chunk type indicator (= "IEND"). @param [String] content The content read from the chunk. Should be empty. @return [ChunkyPNG::Chunk::End] The new End chunk instance. @raise [RuntimeError] Raises an exception if the content was not empty.
# File lib/chunky_png/chunk.rb, line 160 def self.read(type, content) raise ExpectationFailed, 'The IEND chunk should be empty!' if content.bytesize > 0 self.new end
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