| Class | Description | |
|---|---|---|
 | FormXObject | Represents a PDF Form XObject. |
| SoftMask | Represents a PDF Soft Mask as described in the PDF spec 1.7, page 552. |
| SoftMaskBase | The abstract base class representing a PDF Soft Mask.
According to the PDF specification, a soft mask can be specified as a PDF name object or as a dictionary, see GrapeCity.Documents.Pdf.Graphics.SoftMaskNamed and SoftMask. |