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/* -*-c-*- */
/*
* Convinence functions for manipulating rectangles, segments, regions ...etc.
*/
#ifndef FVWMLIB_RECTANGLES_H
#define FVWMLIB_RECTANGLES_H
/* ---------------------------- included header files ---------------------- */
#include "fvwm_x11.h"
/* ---------------------------- global definitions ------------------------- */
/* ---------------------------- global macros ------------------------------ */
/* ---------------------------- type definitions --------------------------- */
/* ---------------------------- forward declarations ----------------------- */
/* ---------------------------- exported variables (globals) --------------- */
/* ---------------------------- interface functions ------------------------ */
/* If the two rectangles [x1, y1, w1, h2] and [x2, x2, w2, h2] have a
* non emtpy interstection this function return True and the
* XRectangle *r is set to the intersection (if not NULL). If the two
* rectangles have an emty intersection False is returned and r is not
* modified. */
Bool frect_get_intersection(
int x1, int y1, int w1, int h1, int x2, int y2, int w2, int h2,
XRectangle *r);
/* as above but the input are XRectangles */
Bool frect_get_rect_intersection(
XRectangle a, XRectangle b, XRectangle *r);
/* as above for two segments */
Bool frect_get_seg_intersection(
int x1, int w1, int x2, int w2, int *x, int *w);
#endif
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