Extracted from Pike v7.8 release 866 at 2016-11-06.
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GTK2
GTK2.GdkRegion

Methods
 create()
 equal()
 intersect()
 offset()
 point_in()
 rect_in()
 shrink()
 subtract()
 union()
 xor()
previousGTK2.GdkRegion()->rect_in()
GTK2.GdkRegion()->subtract()next

Method GTK2.GdkRegion()->shrink()

Method shrink

GDK2.Region shrink(int dx, int dy)

Description

reduces the size of a region by a specified amount. Positive values shrink the size of the region, and negative values expand the region.