[xep-support] xep:rotate and xep:translate

David Tolpin dvd at davidashen.net
Wed Apr 27 02:40:55 PDT 2005


>   Where is the center of rotation?

(0,0)

>  Which is applied first, the translation or the rotation?

In the document order.

> What exactly are the rules for determining the transformation matrix 
> of a given element?

PDF specification provides detailed and thorough explanation on this 
issue. Basically, you just multiply rotation and translation matrices 
for each instruction.

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