GList *
geom_poly_segments_insert(GList *list, struct geom_poly_segment *first, struct geom_poly_segment *second, struct geom_poly_segment *third)
{
int count;
struct geom_poly_segment *ret;
struct coord *pos;
if (!second)
return NULL;
ret=g_new(struct geom_poly_segment, 1);
ret->type=second->type;
count=(second->last-second->first)+1;
if (first)
count+=(first->last-first->first);
if (third)
count+=(third->last-third->first);
#if 0
fprintf(stderr,"count=%d first=%p second=%p third=%p\n",count,first,second,third);
if (first)
fprintf(stderr,"first:0x%x,0x%x-0x%x,0x%x (%d)\n",first->first->x,first->first->y,first->last->x,first->last->y, first->last-first->first+1);
if (second)
fprintf(stderr,"second:0x%x,0x%x-0x%x,0x%x (%d)\n",second->first->x,second->first->y,second->last->x,second->last->y, second->last-second->first+1);
if (third)
fprintf(stderr,"third:0x%x,0x%x-0x%x,0x%x (%d)\n",third->first->x,third->first->y,third->last->x,third->last->y, third->last-third->first+1);
#endif
ret->first=g_new(struct coord, count);
pos=ret->first;
if (first) {
count=(first->last-first->first)+1;
geom_coord_copy(first->first, pos, count, coord_is_equal(*first->first, *second->first));
pos+=count-1;
}
count=(second->last-second->first)+1;
geom_coord_copy(second->first, pos, count, 0);
pos+=count;
if (third) {
pos--;
count=(third->last-third->first)+1;
geom_coord_copy(third->first, pos, count, coord_is_equal(*third->last, *second->last));
pos+=count;
}
ret->last=pos-1;
#if 0
fprintf(stderr,"result:0x%x,0x%x-0x%x,0x%x (%d)\n",ret->first->x,ret->first->y,ret->last->x,ret->last->y, ret->last-ret->first+1);
#endif
list=g_list_prepend(list, ret);
#if 0
fprintf(stderr,"List=%p\n",list);
#endif
return list;
}
struct geom_poly_segment *
item_bin_to_poly_segment(struct item_bin *ib, int type)
{
struct geom_poly_segment *ret=g_new(struct geom_poly_segment, 1);
int count=ib->clen*sizeof(int)/sizeof(struct coord);
ret->type=type;
ret->first=g_new(struct coord, count);
ret->last=ret->first+count-1;
geom_coord_copy((struct coord *)(ib+1), ret->first, count, 0);
return ret;
}
