Lines Matching defs:ytop
589 short ytop; /* Top of intersection */
648 * In the upcoming loop, ybot and ytop serve different functions depending
654 * ytop is the top of the next intersection between the two regions and
656 * For an overlapping band (where the two regions intersect), ytop clips
705 ytop = r2y1;
716 ytop = r1y1;
718 ytop = r1y1;
723 * intersect if ybot > ytop
726 if (ybot > ytop) {
728 (* overlapFunc)(newReg, r1, r1BandEnd, r2, r2BandEnd, ytop, ybot,