General
-------

- API tests
- Demo program

GXPSFile
--------

- Thumbnail API

GXPSDocument
------------

- Info API

GXPSPage
--------

- Lang API
- Images API
- Text API
- Selections API
- Render for printing API

Rendering
---------

- Resource dictionaries
- Transparency
   + Opacity
   + Opacity Masks
- Visual Brush
- Elliptical Arc
- Radial gradients when center != origin
- Tile modes (FlipX, FlipY, FlipXY)
- Triangle line cap
- Font props (weight, slant)