MakeBool returns a new PSBoolean object initialized with `val`.

MakeInteger returns a new PSInteger object initialized with `val`.

MakeOperand returns a new PSOperand object based on string `val`.

MakeReal returns a new PSReal object initialized with `val`.

NewPSExecutor returns an initialized PSExecutor for an input `program`.

NewPSParser returns a new instance of the PDF Postscript parser from input data.

NewPSProgram returns an empty, initialized PSProgram.

NewPSStack returns an initialized PSStack.

PSObjectArrayToFloat64Array converts []PSObject into a []float64 array.

PSBoolean represents a boolean value.

PSExecutor has its own execution stack and is used to executre a PS routine (program).

PSInteger represents an integer.

PSParser is a basic Postscript parser.

PSReal represents a real number.

PSObject represents a postscript object.

PSOperand represents a Postscript operand (text string).

PSProgram defines a Postscript program which is a series of PS objects (arguments, commands, programs etc).

PSStack defines a stack of PSObjects.