| 179 | */ |
| 180 | |
| 181 | void |
| 182 | split_rects(NhRect *r1, NhRect *r2) |
| 183 | { |
| 184 | NhRect r, old_r; |
| 185 | int i; |
| 186 | |
| 187 | old_r = *r1; |
| 188 | remove_rect(r1); |
| 189 | |
| 190 | /* Walk down since rect_cnt & rect[] will change... */ |
| 191 | for (i = rect_cnt - 1; i >= 0; i--) |
| 192 | if (intersect(&rect[i], r2, &r)) |
| 193 | split_rects(&rect[i], &r); |
| 194 | |
| 195 | if (r2->ly - old_r.ly - 1 |
| 196 | > (old_r.hy < ROWNO - 1 ? 2 * YLIM : YLIM + 1) + 4) { |
| 197 | r = old_r; |
| 198 | r.hy = r2->ly - 2; |
| 199 | add_rect(&r); |
| 200 | } |
| 201 | if (r2->lx - old_r.lx - 1 |
| 202 | > (old_r.hx < COLNO - 1 ? 2 * XLIM : XLIM + 1) + 4) { |
| 203 | r = old_r; |
| 204 | r.hx = r2->lx - 2; |
| 205 | add_rect(&r); |
| 206 | } |
| 207 | if (old_r.hy - r2->hy - 1 > (old_r.ly > 0 ? 2 * YLIM : YLIM + 1) + 4) { |
| 208 | r = old_r; |
| 209 | r.ly = r2->hy + 2; |
| 210 | add_rect(&r); |
| 211 | } |
| 212 | if (old_r.hx - r2->hx - 1 > (old_r.lx > 0 ? 2 * XLIM : XLIM + 1) + 4) { |
| 213 | r = old_r; |
| 214 | r.lx = r2->hx + 2; |
| 215 | add_rect(&r); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | /*rect.c*/ |
no test coverage detected