man FcMatrixScale (Fonctions bibliothèques) - Scale a matrix
NAME
FcMatrixScale - Scale a matrix
SYNOPSIS
#include <fontconfig.h> void FcMatrixScale (FcMatrix *matrix, doublesx, doubledy);
DESCRIPTION
FcMatrixScale multiplies matrix x values by sx and y values by sy. This is done by multiplying by the matrix:
sx 0 0 sy
VERSION
Fontconfig version 2.3.2