def scale(self, pt, center=(0, 0)):
dx, dy = center
x, y = pt
sT = Identity.translate(dx, dy)
sT = sT.scale(x, y)
sT = sT.translate(-dx, -dy)
self.transform(sT)
def rotate(self, angle, offset=(0, 0)):
dx, dy = offset
radAngle = math.radians(angle)
rT = Identity.translate(dx, dy)
rT = rT.rotate(radAngle)
rT = rT.translate(-dx, -dy)
self.transform(rT)
def skew(self, angle, offset=(0, 0)):
dx, dy = offset
x, y = angle
x, y = math.radians(x), math.radians(y)
sT = Identity.translate(dx, dy)
sT = sT.skew(x, y)
sT = sT.translate(-dx, -dy)
self.transform(sT)
def skew(self, angle, offset=(0, 0)):
xRad = math.radians(angle[0])
yRad = math.radians(angle[1])
rT = Identity.translate(offset[0], offset[1])
rT = rT.skew(xRad, yRad)
self.transform(rT)
def rotate(self, angle, offset=(0, 0)):
radAngle = math.radians(angle)
rT = Identity.translate(offset[0], offset[1])
rT = rT.rotate(radAngle)
rT = rT.translate(-offset[0], -offset[1])
self.transform(rT)
