FcMatrixRotate(3) FcMatrixRotate(3)

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


Fontconfig 2.15.0 22 12<?> 2023 FcMatrixRotate(3)