kits/interface/RegionSupport.cpp

98 #define EXTENTCHECK(r1, r2) \
99 	((r1)->right > (r2)->left && \
100 	 (r1)->left < (r2)->right && \
101 	 (r1)->bottom > (r2)->top && \
102 	 (r1)->top < (r2)->bottom)
405     clipping_rect*	r1,
418     while ((r1 != r1End) && (r2 != r2End))
420 	left = max_c(r1->left,r2->left);
421 	right = min_c(r1->right,r2->right);
449 	if (r1->right < r2->right)
451 	    r1++;
453 	else if (r2->right < r1->right)
459 	    r1++;
810         clipping_rect*     r1,
834     clipping_rect*	r1; 	    	    	/* Pointer into first region */
845     clipping_rect* 	r1BandEnd;  	    	/* End of current band in r1 */
854      *	set r1, r2, r1End and r2End appropriately, preserve the important
859     r1 = reg1->fData;
861     r1End = r1 + reg1->fCount;
919 	r1BandEnd = r1;
920 	while ((r1BandEnd != r1End) && (r1BandEnd->top == r1->top))
939 	if (r1->top < r2->top)
941 	    top = max_c(r1->top,ybot);
942 	    bot = min_c(r1->bottom,r2->top);
946 		(* nonOverlap1Func) (newReg, r1, r1BandEnd, top, bot);
951 	else if (r2->top < r1->top)
954 	    bot = min_c(r2->bottom,r1->top);
961 	    ytop = r1->top;
965 	    ytop = r1->top;
983 	ybot = min_c(r1->bottom, r2->bottom);
987 	    (* overlapFunc) (newReg, r1, r1BandEnd, r2, r2BandEnd, ytop, ybot);
1000 	if (r1->bottom == ybot)
1002 	    r1 = r1BandEnd;
1008     } while ((r1 != r1End) && (r2 != r2End));
1014     if (r1 != r1End)
1020 		r1BandEnd = r1;
1021 		while ((r1BandEnd < r1End) && (r1BandEnd->top == r1->top))
1025 		(* nonOverlap1Func) (newReg, r1, r1BandEnd,
1026 				     max_c(r1->top,ybot), r1->bottom);
1027 		r1 = r1BandEnd;
1028 	    } while (r1 != r1End);
1151     clipping_rect*	r1,
1188     while ((r1 != r1End) && (r2 != r2End))
1190 	if (r1->left < r2->left)
1192 	    MERGERECT(r1);
1200     if (r1 != r1End)
1204 	    MERGERECT(r1);
1205 	} while (r1 != r1End);
1349     clipping_rect*	r1,
1359     left = r1->left;
1364     while ((r1 != r1End) && (r2 != r2End))
1379 	    if (left >= r1->right)
1385 		r1++;
1386 		if (r1 != r1End)
1387 		    left = r1->left;
1398 	else if (r2->left < r1->right)
1416 	    if (left >= r1->right)
1421 		r1++;
1422 		if (r1 != r1End)
1423 		    left = r1->left;
1438 	    if (r1->right > left)
1443 		pNextRect->right = r1->right;
1449 	    r1++;
1450 	    if (r1 != r1End)
1451 		left = r1->left;
1458     while (r1 != r1End)
1460 	assert(left<r1->right);
1464 	pNextRect->right = r1->right;
1471 	r1++;
1472 	if (r1 != r1End)
1474 	    left = r1->left;