Type Default Value Read Only Description
[C#]
Element

[Visual Basic]
Element
null No Represents the "SpotFunction" entry of the type 1 halftone dictionary object.

 

   

Notes
 

Represents the "SpotFunction" entry of the type 1 halftone dictionary object.

It is a required entry defined as part of the PDF 1.0 specification.

This property may contain one of two different types:.

1) A string representing a PDF name object.

This item may take one of the following valid values:.

  • SimpleDot
  • InvertedSimpleDot
  • DoubleDot
  • InvertedDoubleDot
  • CosineDot
  • Double
  • InvertedDouble
  • Line
  • LineX
  • LineY
  • Round
  • Ellipse
  • EllipseA
  • InvertedEllipseA
  • EllipseB
  • EllipseC
  • InvertedEllipseC
  • Square
  • Cross
  • Rhomboid
  • Diamond
.

2) A FunctionElement.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 130, page 309.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 128, page 371.

 

   

Example
 
None.