NAME

FcMatrixRotate - Rotate a matrix

SYNOPSIS

#include <fontconfig/fontconfig.h>

void FcMatrixRotate(FcMatrix *matrix);
(double cos);
(double sin);
.fi

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