FcPatternAddInteger, FcPatternAddDouble, FcPatternAddString, FcPatternAddMatrix,
FcPatternAddCharSet, FcPatternAddBool, FcPatternAddFTFace,
FcPatternAddLangSet, FcPatternAddRange - Add a typed value to a pattern
#include <fontconfig/fontconfig.h>
FcBool FcPatternAddInteger (FcPattern *p, const char *object, int i);
FcBool FcPatternAddDouble (FcPattern *p, const char *object, double d);
FcBool FcPatternAddString (FcPattern *p, const char *object, const FcChar8 *s);
FcBool FcPatternAddMatrix (FcPattern *p, const char *object, const FcMatrix *m);
FcBool FcPatternAddCharSet (FcPattern *p, const char *object, const FcCharSet *c);
FcBool FcPatternAddBool (FcPattern *p, const char *object, FcBool b);
FcBool FcPatternAddFTFace (FcPattern *p, const char *object, const FT_Facef);
FcBool FcPatternAddLangSet (FcPattern *p, const char *object, const FcLangSet *l);
FcBool FcPatternAddRange (FcPattern *p, const char *object, const FcRange *r);
These are all convenience functions that insert objects of the specified type
into the pattern. Use these in preference to FcPatternAdd as they will provide
compile-time typechecking. These all append values to any existing list of
values. FcPatternAddRange are available since 2.11.91.