FcMatrixRotate

Section: (3)
Updated: 09 8月 2019
Page Index
 

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


 

Index

NAME
SYNOPSIS
DESCRIPTION