The following chunks define the objects available in the DR2D FORM.

 VBM  (0x56424D20)       /* Virtual BitMap */ 
 CPLY (0x43504C59)       /* Closed polygon */ 
 OPLY (0x4F504C59)       /* Open polygon */ 
 GRUP (0x47525550)       /* Group */ 
 STXT (0x53545854)       /* Simple text */ 
 TPTH (0x54505448)       /* A text string along a path */