Lines Matching refs:x_0
970 register int x_0 = lastx; in HGtline() local
992 if ((dx = x_1 - x_0) < 0) { in HGtline()
1005 while (x_0 != x_1) { in HGtline()
1006 if ((x_0 & dotcounter) && !visible) { in HGtline()
1007 change(x_0, y_0, 0); in HGtline()
1009 } else if (visible && !(x_0 & dotcounter)) { in HGtline()
1010 change(x_0 - xinc, oldcoord, 1); in HGtline()
1020 x_0 += xinc; in HGtline()
1023 oldcoord = x_0; in HGtline()
1026 change(x_0, y_0, 0); in HGtline()
1033 oldcoord = x_0; in HGtline()
1036 x_0 += xinc; in HGtline()