THotPDF.InspectVariableFont
Reads validated fvar axes and named instances without registering the font
Declaration
function InspectVariableFont(const FontPath: string; out Axes: THPDFVariableFontAxisArray; out Instances: THPDFVariableFontNamedInstanceArray): Boolean;
Returns False when the file is missing, malformed, or not a variable font
See also: Variable and Colour OpenType Fonts