Apple Shake 4 New Features - Manual (Page 26)

26 Chapter 1 Shake 4.0 Interface Enhancements
3 When the dimension pointer appears, drag in the direction you want to scale the image.
The colors in the dimension pointer correspond to the pan controls.
When you drag, the dimension pointer turns into an axis arrow, indicating the
dimension in which you are scaling the image -- horizontal, vertical or diagonal.
Rotate
Drag the blue rotate control to rotate the image about the center point, affecting the
angle parameter. Drag the white center control to move the center point itself,
affecting the xCenter and yCenter parameters.
To rotate an image without positioning the pointer directly over it, press W or O, then
drag in the Viewer. The dimension pointer appears, allowing you to to rotate the image
in any direction.