@@ -2789,8 +2789,8 @@ calc_heightdiff_single_direction:;
if (dx != 1 || dy != 1) {
int heightdiff = CalcHeightdiff(style, 0, t0, t1);
params[index++] = dx;
params[index++] = dy;
params[index++] = dx - (style & HT_POINT ? 1 : 0);
params[index++] = dy - (style & HT_POINT ? 1 : 0);
if (heightdiff != 0) params[index++] = heightdiff;
}