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Draw.Zoom (gb.qt)
Syntax
STATIC SUB Zoom ( Image AS Image, Zoom AS Integer, X AS Integer, Y AS Integer [ , SrcX AS Integer, SrcY AS Integer, SrcWidth AS Integer, SrcHeight AS Integer ] )
Draws a quick zoomed version of an image or a part of it.

Zoom is the zoom factor. Use 1 for the original image, 2 for an image twice as large, and so on...