void
transform_set_screen_selection(struct transformation *t, struct map_selection *sel)
{
map_selection_destroy(t->screen_sel);
t->screen_sel=map_selection_dup(sel);
if (sel) {
t->screen_center.x=(sel->u.p_rect.rl.x-sel->u.p_rect.lu.x)/2;
t->screen_center.y=(sel->u.p_rect.rl.y-sel->u.p_rect.lu.y)/2;
transform_setup_matrix(t);
}
}
static void
tracking_doupdate_lines(struct tracking *tr, struct coord *cc)
{
int max_dist=1000;
struct map_selection *sel=route_rect(18, cc, cc, 0, max_dist);
struct mapset_handle *h;
struct map *m;
struct map_rect *mr;
struct item *item;
struct street_data *street;
struct tracking_line *tl;
struct coord c;
dbg(1,"enter\n");
h=mapset_open(tr->ms);
while ((m=mapset_next(h,1))) {
mr=map_rect_new(m, sel);
if (! mr)
continue;
while ((item=map_rect_get_item(mr))) {
if (item->type >= type_street_0 && item->type <= type_ferry) {
street=street_get_data(item);
tl=g_malloc(sizeof(struct tracking_line)+(street->count-1)*sizeof(int));
tl->street=street;
tracking_get_angles(tl);
tl->next=tr->lines;
tr->lines=tl;
}
}
map_rect_destroy(mr);
}
mapset_close(h);
map_selection_destroy(sel);
dbg(1, "exit\n");
#if 0
struct transformation t;
tr->last_ptr=&tr->lines;
transform_setup_source_rect_limit(&t,c,1000);
transform_setup_source_rect_limit(&tr->t,c,1000);
profile_timer(NULL);
street_get_block(tr->ma,&t,tst_callback,tr);
profile_timer("end");
#endif
}
