void Node2D::edit_set_rect(const Rect2& p_edit_rect) {
Rect2 r = get_item_rect();
Vector2 zero_offset;
if (r.size.x!=0)
zero_offset.x = -r.pos.x / r.size.x;
if (r.size.y!=0)
zero_offset.y = -r.pos.y / r.size.y;
Size2 new_scale(1,1);
if (r.size.x!=0)
new_scale.x = p_edit_rect.size.x / r.size.x;
if (r.size.y!=0)
new_scale.y = p_edit_rect.size.y / r.size.y;
Point2 new_pos = p_edit_rect.pos + p_edit_rect.size*zero_offset;//p_edit_rect.pos - r.pos;
Matrix32 postxf;
postxf.set_rotation_and_scale(angle,_scale);
new_pos = postxf.xform(new_pos);
pos+=new_pos;
_scale*=new_scale;
_update_transform();
_change_notify("transform/scale");
_change_notify("transform/pos");
}
void DiagramWindow::change_zoom(int n) {
int z = sb_zoom->value() + n;
new_scale((z > 200)
? 200
: ((z < 30) ? 30 : z));
}
void Node2D::_edit_set_rect(const Rect2 &p_edit_rect) {
ERR_FAIL_COND(!_edit_use_rect());
Rect2 r = _edit_get_rect();
Vector2 zero_offset;
if (r.size.x != 0)
zero_offset.x = -r.position.x / r.size.x;
if (r.size.y != 0)
zero_offset.y = -r.position.y / r.size.y;
Size2 new_scale(1, 1);
if (r.size.x != 0)
new_scale.x = p_edit_rect.size.x / r.size.x;
if (r.size.y != 0)
new_scale.y = p_edit_rect.size.y / r.size.y;
Point2 new_pos = p_edit_rect.position + p_edit_rect.size * zero_offset;
Transform2D postxf;
postxf.set_rotation_and_scale(angle, _scale);
new_pos = postxf.xform(new_pos);
pos += new_pos;
_scale *= new_scale;
_update_transform();
_change_notify("scale");
_change_notify("position");
}
void DiagramWindow::read_session(char * & st) {
unsigned w = read_unsigned(st);
resize(w, read_unsigned(st));
new_scale(read_unsigned(st));
get_view()->read_session(st);
}