**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
set_link("max",ValueNode_Const::create(value.get(Real())));
set_link("link",ValueNode_Const::create(value.get(Real())));
break;
+ case ValueBase::TYPE_TIME:
+ set_link("min",ValueNode_Const::create(value.get(Time())));
+ set_link("max",ValueNode_Const::create(value.get(Time())));
+ set_link("link",ValueNode_Const::create(value.get(Time())));
+ break;
default:
assert(0);
throw runtime_error("synfig::ValueNode_Range:Bad type "+ValueBase::type_name(id));
unlink_all();
}
-#define min(x,y) (x>y ? y : x)
-#define max(x,y) (x>y ? x : y)
-#define range(low,high,input) (min(high,max(low,input)))
-
synfig::ValueBase
synfig::ValueNode_Range::operator()(Time t)const
{
switch(get_type())
{
case ValueBase::TYPE_ANGLE:
- return range((*min_)(t).get(Angle()), (*max_)(t).get(Angle()), (*link_)(t).get(Angle()));
+ {
+ Angle minimum = (* min_)(t).get(Angle());
+ Angle maximum = (* max_)(t).get(Angle());
+ Angle link = (*link_)(t).get(Angle());
+
+ // if link is between min and max, use it
+ if (Angle::deg((link-minimum).mod()).get() < Angle::deg((maximum-minimum).mod()).get())
+ return link;
+ // otherwise use whichever of min and max is closest to link
+ else if (link.dist(minimum).abs() < link.dist(maximum).abs())
+ return minimum;
+ else
+ return maximum;
+ }
case ValueBase::TYPE_INTEGER:
- return range((*min_)(t).get(int()), (*max_)(t).get(int()), (*link_)(t).get(int()));
+ return std::max((*min_)(t).get(int()), std::min((*max_)(t).get(int()), (*link_)(t).get(int())));
case ValueBase::TYPE_REAL:
- return range((*min_)(t).get(Real()), (*max_)(t).get(Real()), (*link_)(t).get(Real()));
+ return std::max((*min_)(t).get(Real()), std::min((*max_)(t).get(Real()), (*link_)(t).get(Real())));
+ case ValueBase::TYPE_TIME:
+ return std::max((*min_)(t).get(Time()), std::min((*max_)(t).get(Time()), (*link_)(t).get(Time())));
default:
assert(0);
break;
int
ValueNode_Range::get_link_index_from_name(const String &name)const
{
- printf("%s:%d link_index_from_name\n", __FILE__, __LINE__);
if(name=="min") return 0;
if(name=="max") return 1;
if(name=="link") return 2;
{
return type==ValueBase::TYPE_ANGLE
|| type==ValueBase::TYPE_INTEGER
- || type==ValueBase::TYPE_REAL;
+ || type==ValueBase::TYPE_REAL
+ || type==ValueBase::TYPE_TIME;
}