Method: ImageInspector::Image#getRawData

Defined in:
lib/imageinspector.rb

#getRawData ⇒ Object

Return image data (possibly compressed) for a previously initialized image as a sring. For JPEG and JPEG2000 this would be the whole image as it is stored on the disk, while for TIFF and PNG all headers are stripped and a raw data stream is returned.



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# File 'lib/imageinspector.rb', line 106

def getRawData()
  raise "The image has not been properly initialized" if @width.nil? or @input.nil?

  begin
    if @input.kind_of? IO or @input.kind_of? StringIO
      ret = concatDataBlocks( @input )
    else
      File.open( @input, 'rb' ) { |io| ret = concatDataBlocks( io ) }
    end
    return ret
  rescue Exception => e
    $stderr.puts( "Could not read data from #{@fname}: " << e.message )
  end
end