如何在WPF中使用不同的坐标系？ （仅缩放）

(Let me give you some context) I am currently designing an application that is supposed to generate a printable A4 page based on some data. Naturally, the device independent pixels of WPF (96 pixels/inch) are not a very natural unit of measurement in the paper world. Something like millimetres would be more appropriate. So I got my calculator out and arrived at a scaling factor of something around 3.779.(Let me give you some context) I am currently d