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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 2.14.2 27 1<?> 2023 FcMatrixRotate(3)