func (self *Matrix) InitRotate(radians float64) { C.cairo_matrix_init_rotate(self.cairo_matrix_t(), C.double(radians)) }
//NewRotateMatrix creates a matrix that rotates by radians. // //Originally cairo_matrix_init_rotate. func NewRotateMatrix(radians float64) Matrix { var m C.cairo_matrix_t C.cairo_matrix_init_rotate(&m, C.double(radians)) return Matrix{m} }