155           ((r1)->y2 <= (r2)->y1)  || \
156           ((r1)->y1 >= (r2)->y2) ) )
163         ((r)->y1 <= y) )
169         ((r1)->y1 <= (r2)->y1) && \
185     pNextRect->y1 = ny1;			\
285            rgn->extents.x1, rgn->extents.y1, rgn->extents.x2, rgn->extents.y2);  in RegionPrint()
288                rects[i].x1, rects[i].y1, rects[i].x2, rects[i].y2);  in RegionPrint()
299         (reg->extents.y1 > reg->extents.y2))  in RegionIsValid()
304                 (reg->extents.y1 == reg->extents.y2) &&  in RegionIsValid()
317             if ((pboxN->x1 >= pboxN->x2) || (pboxN->y1 >= pboxN->y2))  in RegionIsValid()
323             if ((pboxN->y1 < pboxP->y1) ||  in RegionIsValid()
324                 ((pboxN->y1 == pboxP->y1) &&  in RegionIsValid()
330                 (box.y1 == reg->extents.y1) && (box.y2 == reg->extents.y2));  in RegionIsValid()
430     if (pPrevBox->y2 != pCurBox->y1)  in RegionCoalesce()
491 RegionAppendNonO(RegionPtr pReg, BoxPtr r, BoxPtr rEnd, int y1, int y2)  in RegionAppendNonO()  argument
498     assert(y1 < y2);  in RegionAppendNonO()
507         ADDRECT(pNextRect, r->x1, y1, r->x2, y2);  in RegionAppendNonO()
516     ry1 = r->y1;					    \
518     while ((rBandEnd != rEnd) && (rBandEnd->y1 == ry1)) {   \
568                                 short y1, short y2, Bool *pOverlap);
657     ybot = min(r1->y1, r2->y1);  in RegionOp()
813         pReg->extents.y2 = pReg->extents.y1;  in RegionSetExtents()
828     pReg->extents.y1 = pBox->y1;  in RegionSetExtents()
832     assert(pReg->extents.y1 < pReg->extents.y2);  in RegionSetExtents()
869 	NEWRECT(pReg, pNextRect, x1, y1, x2, y2);		\
897              BoxPtr r2, BoxPtr r2End, short y1, short y2, Bool *pOverlap)  in RegionUnionO()  argument
903     assert(y1 < y2);  in RegionUnionO()
939     NEWRECT(pReg, pNextRect, x1, y1, x2, y2);  in RegionUnionO()
998         if ((first->y1 > last->y2) ||  in RegionAppend()
999             ((first->y1 == last->y1) && (first->y2 == last->y2) &&  in RegionAppend()
1010             if ((first->y1 > last->y2) ||  in RegionAppend()
1011                 ((first->y1 == last->y1) && (first->y2 == last->y2) &&  in RegionAppend()
1018                 dstrgn->extents.y1 = rgn->extents.y1;  in RegionAppend()
1054     int y1;  in QuickSortRects()  local
1063             if (rects[0].y1 > rects[1].y1 ||  in QuickSortRects()
1064                 (rects[0].y1 == rects[1].y1 && rects[0].x1 > rects[1].x1))  in QuickSortRects()
1071         y1 = rects[0].y1;  in QuickSortRects()
1083                      (r->y1 < y1 || (r->y1 == y1 && r->x1 < x1)));  in QuickSortRects()
1088             } while (y1 < r->y1 || (y1 == r->y1 && x1 < r->x1));  in QuickSortRects()
1214             if (box->y1 == riBox->y1 && box->y2 == riBox->y2) {  in RegionValidate()
1230             else if (box->y1 >= riBox->y2) {  in RegionValidate()
1293             if (hreg->extents.y1 < reg->extents.y1)  in RegionValidate()
1294                 reg->extents.y1 = hreg->extents.y1;  in RegionValidate()
1323     int x1, y1, x2, y2;  in RegionFromRects()  local
1332         y1 = prect->y;  in RegionFromRects()
1335         if ((y2 = y1 + (int) prect->height) > MAXSHORT)  in RegionFromRects()
1337         if (x1 != x2 && y1 != y2) {  in RegionFromRects()
1339             pRgn->extents.y1 = y1;  in RegionFromRects()
1355         y1 = prect->y;  in RegionFromRects()
1358         if ((y2 = y1 + (int) prect->height) > MAXSHORT)  in RegionFromRects()
1360         if (x1 != x2 && y1 != y2) {  in RegionFromRects()
1362             pBox->y1 = y1;  in RegionFromRects()