Represents the "Decode" entry of the type 0 function dictionary object.

It is an optional entry defined as part of the PDF 1.0 specification.

It contains an array which contains doubles, representing PDF numeric objects.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 39, page 94.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 39, page 124.

The Decode array maps the raw integer sample values to output values. It contains pairs giving the output value at sample integer 0 and at the maximum sample integer for each output component.