Provided by: libfontconfig-doc_2.15.0-1.1ubuntu2_all 

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
Fontconfig 2.15.0 31 March 2024 FcMatrixScale(3)