psMat¶

psMat.
identity
()¶ returns an identity matrix as a 6 element tuple

psMat.
compose
(mat1, mat2)¶ returns a matrix which is the composition of the two input transformations

psMat.
inverse
(mat)¶ returns a matrix which is the inverse of the input transformation. (Note: There will not always be an inverse)

psMat.
rotate
(theta)¶ returns a matrix which will rotate by
theta
.theta
is expressed in radians

psMat.
scale
(x[, y])¶ returns a matrix which will scale by
x
in the horizontal direction andy
in the vertical. Ify
is omitted, it will scale by the same amount (x
) in both directions

psMat.
skew
(theta)¶ returns a matrix which will skew by
theta
(to produce an oblique font).theta
is expressed in radians

psMat.
translate
(x, y)¶ returns a matrix which will translate by
x
in the horizontal direction andy
in the vertical