class HexaPDF::StreamData

value is ignored. The Proc object can also be passed by using a block.
* A Proc object (that is converted to a Fiber when needed) in which case the +offset+ and

* and for a specific +length+
* A string which is interpreted as a file name and read starting from a specific +offset+

* An IO stream which is read starting from a specific +offset+ for a specific +length+

The +source+ can be:

Creates a new StreamData object for the given +source+ and with the given options.

StreamData.new { block } -> stream_data
StreamData.new(proc) -> stream_data
StreamData.new(str) -> stream_data
StreamData.new(io) -> stream_data
:call-seq:

def initialize(source = nil, offset: nil, length: nil, filter: nil, decode_parms: nil, &block)
  if source.nil? && !block_given?
    raise ArgumentError, "Either a source object or a block must be given"
  end
  @source = source || block
  @offset = offset
  @length = length
  @filter = [filter].flatten.compact
  @decode_parms = [decode_parms].flatten
  freeze
end