question: public static DataDisplayTable listGlyphDimensionBounds ( Font font ) { String [ ] header = { "Dimension" , "Value" } ; Align [ ] displayAlignment = { Align . Left , Align . Right } ; DataDisplayTable table = new DataDisplayTable ( Arrays . asList ( header ) ) ; table . setAlignment ( Arrays . asList ( displayAlignment ) ) ; LocaTable locaTable = FontUtils . getLocaTable ( font ) ; GlyphTable glyfTable = FontUtils . getGlyphTable ( font ) ; int xMin = Integer . MAX_VALUE ; int yMin = Integer . MAX_VALUE ; int xMax = Integer . MIN_VALUE ; int yMax = Integer . MIN_VALUE ; for ( int i = 0 ; i < locaTable . numGlyphs ( ) ; i ++ ) { Glyph glyph = glyfTable . glyph ( locaTable . glyphOffset ( i ) , locaTable . glyphLength ( i ) ) ; if ( glyph . xMin ( ) < xMin ) { xMin = glyph . xMin ( ) ; } if ( glyph . yMin ( ) < yMin ) { yMin = glyph . yMin ( ) ; } if ( glyph . xMax ( ) > xMax ) { xMax = glyph . xMax ( ) ; } if ( glyph . yMax ( ) > yMax ) { yMax = glyph . yMax ( ) ; } } table . add ( Arrays . asList ( new String [ ] { "xMin" , String . format ( "%d" , xMin ) } ) ) ; table . add ( Arrays . asList ( new String [ ] { "xMax" , String . format ( "%d" , xMax ) } ) ) ; table . add ( Arrays . asList ( new String [ ] { "yMin" , String . format ( "%d" , yMin ) } ) ) ; table . add ( Arrays . asList ( new String [ ] { "yMax" , String . format ( "%d" , yMax ) } ) ) ; return table ; }
target:  Gets a list of minimum and maximum x and y dimensions for the glyphs in the font. This is based on the reported min and max values for each glyph and not on the actual outline sizes.