class GifInfo::DynamicBlock
Abstract block which contains both header and data with dynamic (non-fixed) length.
@abstract
Public Instance Methods
body(skip = nil)
click to toggle source
Returns data body.
@param [Integer] skip number of bytes to skip before data @return [Body] data body
# File lib/gif-info/dynamic-block.rb, line 34 def body(skip = nil) if @body.nil? if not skip.nil? @io.seek(skip, IO::SEEK_CUR) # skips dummy leader end @body = Body::new(@io) end @body end
bytesize()
click to toggle source
Returns block size. @return [Integer] block size in bytes
# File lib/gif-info/dynamic-block.rb, line 62 def bytesize self.header.bytesize + self.body.bytesize end
skip!(additional = nil)
click to toggle source
Skips block in stream.
Calls superclass method
# File lib/gif-info/dynamic-block.rb, line 49 def skip!(additional = nil) super() if not additional.nil? @io.seek(additional, IO::SEEK_CUR) end self.body.skip! end