FcWeightToOpenTypeDouble(3)                        FcWeightToOpenTypeDouble(3)



NAME
       FcWeightToOpenTypeDouble - Convert from fontconfig weight values to
       OpenType ones

SYNOPSIS
       #include <fontconfig/fontconfig.h>

       double FcWeightToOpenTypeDouble (double ot_weight);

DESCRIPTION
       FcWeightToOpenTypeDouble is the inverse of FcWeightFromOpenType.  If
       the input is less than FC_WEIGHT_THIN or greater than
       FC_WEIGHT_EXTRABLACK, returns -1.  Otherwise returns a number in the
       range 1 to 1000.

SINCE
       version 2.12.92

Fontconfig 2.18.3               23 August 2026     FcWeightToOpenTypeDouble(3)