man mfont_get_prop () - Get a property value of a font.
NAME
mfont_get_prop - Get a property value of a font.
SYNOPSIS
void* mfont_get_prop (MFont * font, MSymbol key)
DESCRIPTION
The mfont_get_prop() function gets the value of key property of font font. key must be one of the following symbols:
Mfamily, Mweight, Mstyle, Mstretch, Madstyle, Mregistry, Msize, Mresolution.
RETURN VALUE
If key is Mfamily, Mweight, Mstyle, Mstretch, Madstyle, or Mregistry, this function returns the corresponding value as a symbol. If the font does not have key property, it returns Mnil. If key is Msize or Mresolution, this function returns the corresponding value as an integer. If the font does not have key property, it returns 0. If key is something else, it returns NULL and assigns an error code to the external variable merror_code.