Lines Matching defs:ytop
587 short ytop; /* Top of intersection */
645 * In the upcoming loop, ybot and ytop serve different functions depending
651 * ytop is the top of the next intersection between the two regions and
653 * For an overlapping band (where the two regions intersect), ytop clips
702 ytop = r2y1;
714 ytop = r1y1;
717 ytop = r1y1;
722 * intersect if ybot > ytop
725 if (ybot > ytop) {
727 (*overlapFunc) (newReg, r1, r1BandEnd, r2, r2BandEnd, ytop, ybot,