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Manual Reference Pages  - XCreateRegion (3X11)

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XCreateRegion, XSetRegion, XDestroyRegion - create or destroy regions

CONTENTS

Syntax
Arguments
Description

Region XCreateRegion(void); int XSetRegion(Display *display, GC gc, Region r); int XDestroyRegion(Region r);

display	Specifies the connection to the X server.
gc	Specifies the GC.
r	Specifies the region.

The XCreateRegion function creates a new empty region.

The XSetRegion function sets the clip-mask in the GC to the specified region. The region is specified relative to the drawable’s origin. The resulting GC clip origin is implementation-dependent. Once it is set in the GC, the region can be destroyed.

The XDestroyRegion function deallocates the storage associated with a specified region.

XEmptyRegion(3X11), XIntersectRegion(3X11)
Xlib - C Language X Interface

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