Class Hierarchy
This inheritance list is sorted roughly, but not completely, alphabetically:

FTBBox | FTBBox is a convenience class for handling bounding boxes
FTBuffer | FTBuffer is a helper class for pixel buffers
FTFont | FTFont is the public interface for the FTGL library
FTBitmapFont | FTBitmapFont is a specialisation of the FTFont class for handling Bitmap fonts
FTBufferFont | FTBufferFont is a specialisation of the FTFont class for handling memory buffer fonts
FTExtrudeFont | FTExtrudeFont is a specialisation of the FTFont class for handling extruded Polygon fonts
FTOutlineFont | FTOutlineFont is a specialisation of the FTFont class for handling Vector Outline fonts
FTPixmapFont | FTPixmapFont is a specialisation of the FTFont class for handling Pixmap (Grey Scale) fonts
FTPolygonFont | FTPolygonFont is a specialisation of the FTFont class for handling tesselated Polygon Mesh fonts
FTTextureFont | FTTextureFont is a specialisation of the FTFont class for handling Texture mapped fonts
FTTriangleExtractorFont | FTPolygonFont is a specialisation of the FTFont class for handling tesselated Polygon Mesh fonts
FTGlyph | FTGlyph is the base class for FTGL glyphs
FTBitmapGlyph | FTBitmapGlyph is a specialisation of FTGlyph for creating bitmaps
FTBufferGlyph | FTBufferGlyph is a specialisation of FTGlyph for memory buffer rendering
FTExtrudeGlyph | FTExtrudeGlyph is a specialisation of FTGlyph for creating tessellated extruded polygon glyphs
FTOutlineGlyph | FTOutlineGlyph is a specialisation of FTGlyph for creating outlines
FTPixmapGlyph | FTPixmapGlyph is a specialisation of FTGlyph for creating pixmaps
FTPolygonGlyph | FTPolygonGlyph is a specialisation of FTGlyph for creating tessellated polygon glyphs
FTTextureGlyph | FTTextureGlyph is a specialisation of FTGlyph for creating texture glyphs
FTTriangleExtractorGlyph | FTPolygonGlyph is a specialisation of FTGlyph for creating tessellated polygon glyphs
FTLayout | FTLayout is the interface for layout managers that render text
FTSimpleLayout | FTSimpleLayout is a specialisation of FTLayout for simple text boxes
FTLibrary | FTLibrary class is the global accessor for the Freetype library
FTPoint | FTPoint class is a basic 3-dimensional point or vector