Esempio n. 1
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    def scale_xy(self, scale_x, scale_y, caller=None):
        """
        Scales the event to be in the scale specified.

        A component calls event.scale_xy(scale) to scale the event into its own
        coordinate frame when the ctm has been scaled.  This operation is used
        for zooming.
        """
        # Note that the meaning of scale_x and scale_y for Enable
        # is the inverted from the meaning for Kiva.affine.
        # TODO: Fix this discrepancy.
        self.push_transform(affine.affine_from_scale(1/scale_x, 1/scale_y))
        if caller is not None:
            self.dispatch_history.append(caller)
        return
Esempio n. 2
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    def scale_xy(self, scale_x, scale_y, caller=None):
        """
        Scales the event to be in the scale specified.

        A component calls event.scale_xy(scale) to scale the event into its own
        coordinate frame when the ctm has been scaled.  This operation is used
        for zooming.
        """
        # Note that the meaning of scale_x and scale_y for Enable
        # is the inverted from the meaning for Kiva.affine.
        # TODO: Fix this discrepancy.
        self.push_transform(affine.affine_from_scale(1 / scale_x, 1 / scale_y))
        if caller is not None:
            self.dispatch_history.append(caller)
        return
 def test_from_scale(self):
     transform = affine.affine_from_scale(5., 6.)
     pt1 = array([1., 1., 1.])
     actual = dot(pt1, transform)
     desired = pt1 * array((5., 6., 1.))
     assert (alltrue(actual == desired))
Esempio n. 4
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 def test_from_scale(self):
     transform = affine.affine_from_scale(5.,6.)
     pt1 = array([1.,1.,1.])
     actual = dot(pt1,transform)
     desired = pt1*array((5.,6.,1.))
     assert(alltrue( actual == desired ))
Esempio n. 5
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 def test_from_scale(self):
     transform = affine.affine_from_scale(5.0, 6.0)
     pt1 = array([1.0, 1.0, 1.0])
     actual = dot(pt1, transform)
     desired = pt1 * array((5.0, 6.0, 1.0))
     assert alltrue(actual == desired)