FcMatrixRotate
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