func (self *Matrix) Translate(tx, ty float64) {
C.cairo_matrix_translate(self.cairo_matrix_t(), C.double(tx), C.double(ty))
}
//Translate translates m by vector and returns itself.
//
//Originally cairo_matrix_translate.
func (m Matrix) Translate(vector Point) Matrix {
C.cairo_matrix_translate(&m.m, C.double(vector.X), C.double(vector.Y))
return m
}