clip.h

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#include "deodhai.h"
 
/* Check if two rectangle intersects
* @param r1 -- rectangle one
* @param r2 -- rectangle two
*/
extern bool ClipCheckIntersect(Rect* r1, Rect* r2);
 
/*
* ClipCalculateRect -- calculate visible rectanlges of current window
* @param sub_rect -- subject rectangle
* @param cut_rect -- cutting rectangle
* @param list -- pointer to the list, where to store all
* visible rectangles
* @param count -- number of rectangles stored in the list
*/
extern void ClipCalculateRect(Rect* sub_rect, Rect* cut_rect, Rect* list, int* count);
 
/*
* ClipSubtractRect -- calculate visible rectanlges of current window
* @param sub_rect -- subject rectangle
* @param cut_rect -- cutting rectangle
* @param list -- pointer to the list, where to store all
* visible rectangles
* @param count -- number of rectangles stored in the list
*/
extern void ClipSubtractRect(Rect* sub_rect, Rect* cut_rect, Rect* list, int r_count);