| PDXObject | The base class for all XObjects in the PDF document. | code | html |
| PDXObjectImage | The prototype for all PDImages. | code | html |
| PDCcitt | An image class for CCITT Fax. | code | html |
| PDCcitt.TiffWrapper | Extends InputStream to wrap the data from the CCITT Fax with a suitable TIFF Header. | code | html |
| PDInlinedImage | This class represents an inlined image. | code | html |
| PDJpeg | An image class for JPegs. | code | html |
| PDPixelMap | This class contains a PixelMap Image. | code | html |
| PDXObjectForm | A form xobject. | code | html |