16.5 Manipulating Regions

Regions are arbitrary sets of pixel locations. Xlib provides functions for manipulating regions. The opaque type Region is defined in X11/Xutil.h. Xlib provides functions that you can use to manipulate regions. This section discusses how to:

Create, copy, or destroy regions
Move or shrink regions
Compute with regions
Determine if regions are empty or equal
Locate a point or rectangle in a region

Next: Creating, Copying, or Destroying Regions

Christophe Tronche, ch@tronche.com