FcMatrixScale (3) - Linux Manuals
FcMatrixScale: Scale a matrix
NAME
FcMatrixScale - Scale a matrix
SYNOPSIS
#include <fontconfig/fontconfig.h>
void FcMatrixScale (FcMatrix *matrix, double sx, double dy);
DESCRIPTION
FcMatrixScale multiplies matrix x values by sx and y values by dy. This is done by multiplying by the matrix:
sx 0 0 dy