#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 frome 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;
ShapeSet ShapeUnion ShapeIntersect ShapeSubtract ShapeInvert
Shape Kinds:  
ShapeBounding ShapeClip
Event defines:  
ShapeNotifyMask ShapeNotify