Font flags. Constants that indicate a font's attributes (fixed width, roman or symbolic, sans serif, and so forth).

Values:

IG_PDF_FIXED_WIDTH	0x00000001	All glyphs in the font are the same width.
IG_PDF_SERIF	0x00000002	The font is a serif font.
IG_PDF_PI	0x00000004	The font is a symbolic (pi) font.
IG_PDF_SCRIPT	0x00000008	The font is a script font.
IG_PDF_STD_ENCODING	0x00000020	The font uses standard encoding.
IG_PDF_ITALIC	0x00000040	The font is an italic font.
IG_PDF_ALL_CAP	0x00010000	The font is an all-caps font.
IG_PDF_SMALL_CAP	0x00020000	The font is a small caps font.
IG_PDF_FORCE_BOLD	0x00040000	Force bold characters to draw bold even at small point sizes.