static void
place_line_x(int x, int y)
{
int dx, dy;
canvas_leftbut_proc = null_proc;
canvas_middlebut_proc = null_proc;
canvas_rightbut_proc = null_proc;
canvas_locmove_proc = null_proc;
canvas_ref_proc = null_proc;
adjust_pos(x, y, fix_x, fix_y, &x, &y);
dx = x - fix_x;
dy = y - fix_y;
translate_line(new_l, dx, dy);
clean_up();
set_latestline(new_l);
if (return_proc == copy_selected) {
add_line(new_l);
adjust_links(cur_linkmode, cur_links, dx, dy, 0, 0, 1.0, 1.0, True);
free_linkinfo(&cur_links);
} else {
list_add_line(&objects.lines, new_l);
adjust_links(cur_linkmode, cur_links, dx, dy, 0, 0, 1.0, 1.0, False);
set_lastposition(fix_x, fix_y);
set_newposition(x, y);
set_lastlinkinfo(cur_linkmode, cur_links);
cur_links = NULL;
set_action_object(F_MOVE, O_POLYLINE);
}
set_modifiedflag();
redisplay_line(new_l);
/* turn back on all relevant markers */
update_markers(new_objmask);
(*return_proc) ();
draw_mousefun_canvas();
}
void undo_move(void)
{
int dx, dy;
int xmin1, ymin1, xmax1, ymax1;
int xmin2, ymin2, xmax2, ymax2;
int dum;
dx = last_position.x - new_position.x;
dy = last_position.y - new_position.y;
switch (last_object) {
case O_POLYLINE:
line_bound(saved_objects.lines, &xmin1, &ymin1, &xmax1, &ymax1);
translate_line(saved_objects.lines, dx, dy);
line_bound(saved_objects.lines, &xmin2, &ymin2, &xmax2, &ymax2);
adjust_links(last_linkmode, last_links, dx, dy, 0, 0, 1.0, 1.0, False);
redisplay_regions(xmin1, ymin1, xmax1, ymax1,
xmin2, ymin2, xmax2, ymax2);
break;
case O_ELLIPSE:
ellipse_bound(saved_objects.ellipses, &xmin1, &ymin1, &xmax1, &ymax1);
translate_ellipse(saved_objects.ellipses, dx, dy);
ellipse_bound(saved_objects.ellipses, &xmin2, &ymin2, &xmax2, &ymax2);
redisplay_regions(xmin1, ymin1, xmax1, ymax1,
xmin2, ymin2, xmax2, ymax2);
break;
case O_TXT:
text_bound(saved_objects.texts, &xmin1, &ymin1, &xmax1, &ymax1,
&dum,&dum,&dum,&dum,&dum,&dum,&dum,&dum);
translate_text(saved_objects.texts, dx, dy);
text_bound(saved_objects.texts, &xmin2, &ymin2, &xmax2, &ymax2,
&dum,&dum,&dum,&dum,&dum,&dum,&dum,&dum);
redisplay_regions(xmin1, ymin1, xmax1, ymax1,
xmin2, ymin2, xmax2, ymax2);
break;
case O_SPLINE:
spline_bound(saved_objects.splines, &xmin1, &ymin1, &xmax1, &ymax1);
translate_spline(saved_objects.splines, dx, dy);
spline_bound(saved_objects.splines, &xmin2, &ymin2, &xmax2, &ymax2);
redisplay_regions(xmin1, ymin1, xmax1, ymax1,
xmin2, ymin2, xmax2, ymax2);
break;
case O_ARC:
arc_bound(saved_objects.arcs, &xmin1, &ymin1, &xmax1, &ymax1);
translate_arc(saved_objects.arcs, dx, dy);
arc_bound(saved_objects.arcs, &xmin2, &ymin2, &xmax2, &ymax2);
redisplay_regions(xmin1, ymin1, xmax1, ymax1,
xmin2, ymin2, xmax2, ymax2);
break;
case O_COMPOUND:
compound_bound(saved_objects.compounds, &xmin1, &ymin1, &xmax1, &ymax1);
translate_compound(saved_objects.compounds, dx, dy);
compound_bound(saved_objects.compounds, &xmin2, &ymin2, &xmax2, &ymax2);
adjust_links(last_linkmode, last_links, dx, dy, 0, 0, 1.0, 1.0, False);
redisplay_regions(xmin1, ymin1, xmax1, ymax1,
xmin2, ymin2, xmax2, ymax2);
break;
}
swap_newp_lastp();
}
void
Trace::thin_trace(TracePointList& tlist, const unsigned mrange_sq)
{
if (tlist.size() < 2)
return;
TracePointList::iterator it_prev = tlist.begin();
TracePointList::iterator it = tlist.begin();
++it;
TracePointList::iterator it_next = it;
++it_next;
for (; it_next != tlist.end();) {
if (it->approx_sq_dist(*it_prev) < mrange_sq) {
adjust_links(*it_prev, *it, *it_next);
it = tlist.erase(it);
it_next = it;
++it_next;
} else {
++it;
++it_next;
++it_prev;
}
}
}
