[luatex] howto: scaling an image

[Hartmut Henkel]

On Sun, 21 Mar 2010, Patrick Gundlach wrote:
>
> I'd guess bp. But I don't know.
>
> print(string.format("xsize=%d, ysize=%d",hacker.xsize,hacker.ysize)):
>
> xsize=531, ysize=354

integer pixels, it's a 531x354 pixel image. With pdf images it's sp.

Regards, Hartmut