Validate text against a specific font's glyph coverage
For standard PDF fonts: checks WinAnsi range (0x20-0xFF) For custom fonts: uses fontkit to check actual glyph support
Text to validate
Font name (e.g., 'Helvetica', 'CustomFont')
Path to font file (required for custom fonts)
Validation result with warnings
Validate text against a specific font's glyph coverage
For standard PDF fonts: checks WinAnsi range (0x20-0xFF) For custom fonts: uses fontkit to check actual glyph support