Simple ExportDialog provided which can be added to application and allows user to choose from any of the
available formats and set format specific options.
No need to change user's painting code, the
VectorGraphics
class can be used anywhere where the standard `java.awt.Graphics` or `java.awt.Graphics2D` classes are used.
Packaged in a per-format jar file, which when added to the CLASSPATH becomes available.
Base classes provided to allow easy extension for new formats.