The question: how can I find out, by script, how big the unprintable margins are when the Page Setup dialog has been set to some scale other than 100%?

At 100%, there's no problem. For example, the unprintable right margin = item 2 of the printPaperSize - item 4 of the printRectangle.

But at any other scale I can't use this calculation, because while the "printRectangle" responds to a Page Setup choice of scale, the "printPaperSize" does not.

Thus if I set the scale to 50%, the printRectangle of 36,36,1188,1504 tells me the pixels I can fit into a letter size page after shrinking them by half and avoiding the unprintable margins. This means the left unprintable margin on the printed output will be 18/72 of an inch (shrinking the 36 by 50%). But I do not see any way of learning this information in a script, because the 50% scaling factor is not being reported, and the printPaperSize doesn't change the way the printRectangle does when the scale changes. (The "printScale" seems to return 1 regardless of what I do to the Page Setup dialog).

What I'm trying to do is show on the screen is both a rectangle that will, when printed, be 1 inch from each edge of the paper; and also as much space outside of that rectangle as can be printed to. Thus I need to know how much of that 1 inch cannot be printed to.

Many thanks for any suggestions.

David Epstein
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