Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64
NAME
FcMatrixRotate - Rotate a matrix
SYNOPSIS
#include <fontconfig/fontconfig.h> void FcMatrixRotate (FcMatrix *matrix, double cos, double sin);
DESCRIPTION
FcMatrixRotate rotates matrix by the angle who's sine is sin and cosine is cos. This is done by multiplying by the matrix: cos -sin sin cos