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. |