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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
31 3月 2022 Fontconfig 2.14.0