a
and b
together
and stores the result in result
. The effect of the resulting
transformation is to first apply the transformation in a
to the
coordinates and then apply the transformation in b
to the
coordinates.cairoMatrixMultiply(result, a, b)
result
CairoMatrix
] a CairoMatrix
in which to store the resulta
b
result
to be identical to either a
or b
.