XShape - Man Page

#include <X11/extensions/shape.h>

Bool XShapeQueryExtension (
	Display *dpy,
	int *event_basep,
	int *error_basep);

Status XShapeQueryVersion (
	Display *dpy,
	int *major_versionp,
	int *minor_versionp);

void XShapeCombineRegion (
	Display *dpy,
	Window dest,
	int destKind,
	int xOff,
	int yOff,
	struct _XRegion *r,
	int op);

void XShapeCombineRectangles (
	Display *dpy,
	XID dest,
	int destKind,
	int xOff,
	int yOff,
	XRectangle *rects,
	int n_rects,
	int op,
	int ordering);

void XShapeCombineMask (
	Display *dpy,
	XID dest,
	int destKind,
	int xOff,
	int yOff,
	Pixmap src,
	int op);

void XShapeCombineShape (
	Display *dpy,
	XID dest,
	int destKind,
	int xOff,
	int yOff,
	Pixmap src,
	int srcKind,
	int op);

void XShapeOffsetShape (
	Display *dpy,
	XID dest,
	int destKind,
	int xOff,
	int yOff);

Status XShapeQueryExtents (
	Display *dpy,
	Window window,
	int *bShaped,
	int *xbs,
	int *ybs,
	unsigned int *wbs,
	unsigned int *hbs,
	int *cShaped,
	int *xcs,
	int *ycs,
	unsigned int *wcs,
	unsigned int *hcs);

void XShapeSelectInput (
	Display *dpy,
	Window window,
	unsigned longmask);

unsigned long XShapeInputSelected (
	Display *dpy,
	Window window);

XRectangle *XShapeGetRectangles (
	Display *dpy,
	Window window,
	int kind,
	int *count,
	int *ordering);

typedef struct {
    int type;	/* of event */
    unsigned long serial;	/* # of last request processed by server */
    Bool send_event;	/* true if this came from a SendEvent request */
    Display *display;	/* Display the event was read from */
    Window window;	/* window of event */
    int kind;	/* ShapeBounding or ShapeClip */
    int x, y;	/* extents of new region */
    unsigned width, height;
    Time time;	/* server timestamp when region changed */
    Bool shaped;	/* true if the region exists */
} XShapeEvent;

The X11 Nonrectangular Window Shape Extension adds nonrectangular windows to the X Window System.

Operations:

ShapeSet
ShapeUnion
ShapeIntersect
ShapeSubtract
ShapeInvert

Shape Kinds:

ShapeBounding
ShapeClip

Event defines:

ShapeNotifyMask
ShapeNotify

This manual page needs a lot more work.

X11 Nonrectangular Window Shape Extension

The man pages XShapeCombineMask(3), XShapeCombineRectangles(3), XShapeCombineRegion(3), XShapeCombineShape(3), XShapeGetRectangles(3), XShapeInputSelected(3), XShapeOffsetShape(3), XShapeQueryExtension(3), XShapeQueryExtents(3), XShapeQueryVersion(3) and XShapeSelectInput(3) are aliases of XShape(3).