X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Fvaluenode_scale.cpp;h=b272d7d6b994418dc91c6a8746830e1a7b30b3c6;hb=9459638ad6797b8139f1e9f0715c96076dbf0890;hp=9c2924a1590dbec678a9fae922e632ca23e685f2;hpb=c6b0c050710376d3cf99b7c083a7c47f1a0516c9;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/valuenode_scale.cpp b/synfig-core/trunk/src/synfig/valuenode_scale.cpp
index 9c2924a..b272d7d 100644
--- a/synfig-core/trunk/src/synfig/valuenode_scale.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_scale.cpp
@@ -6,7 +6,7 @@
 **
 **	\legal
 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**	Copyright (c) 2007 Chris Moore
+**	Copyright (c) 2007, 2008 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
@@ -59,7 +59,7 @@ using namespace synfig;
 ValueNode_Scale::ValueNode_Scale(const ValueBase &value):
 	LinkableValueNode(value.get_type())
 {
-	set_scalar(1.0);
+	set_link("scalar",ValueNode::Handle(ValueNode_Const::create(Real(1.0))));
 	ValueBase::Type id(value.get_type());
 
 	switch(id)
@@ -84,11 +84,11 @@ ValueNode_Scale::ValueNode_Scale(const ValueBase &value):
 		break;
 	default:
 		assert(0);
-		throw runtime_error("synfig::ValueNode_Scale:Bad type "+ValueBase::type_name(value.get_type()));
+		throw runtime_error(get_local_name()+_(":Bad type ")+ValueBase::type_local_name(id));
 	}
 
 	assert(value_node);
-	assert(get_value_node()->get_type()==id);
+	assert(value_node->get_type()==id);
 	assert(get_type()==id);
 }
 
@@ -109,59 +109,12 @@ synfig::ValueNode_Scale::~ValueNode_Scale()
 	unlink_all();
 }
 
-void
-ValueNode_Scale::set_scalar(Real x)
-{
-	set_link("scalar",ValueNode::Handle(ValueNode_Const::create(x)));
-}
-
-bool
-ValueNode_Scale::set_scalar(const ValueNode::Handle &x)
-{
-	if(!x
-		|| x->get_type()!=ValueBase::TYPE_REAL
-		&& !PlaceholderValueNode::Handle::cast_dynamic(x)
-	)
-		return false;
-	scalar=x;
-	return true;
-}
-
-ValueNode::Handle
-ValueNode_Scale::get_scalar()const
-{
-	return scalar;
-}
-
-bool
-ValueNode_Scale::set_value_node(const ValueNode::Handle &x)
-{
-	assert(get_type());
-
-	// if this isn't a proper value
-	if(!x ||
-	   // or we don't have a type, and this value isn't one of the types we accept
-	   (get_type()==ValueBase::TYPE_NIL && !check_type(x->get_type())) ||
-	   // or we have a type and this value is a different type and (placeholder?)
-	   (get_type()!=ValueBase::TYPE_NIL && x->get_type()!=get_type() && !PlaceholderValueNode::Handle::cast_dynamic(x)))
-		// then fail to set the value
-		return false;
-
-	value_node=x;
-
-	return true;
-}
-
-ValueNode::Handle
-ValueNode_Scale::get_value_node()const
-{
-	return value_node;
-}
-
-
 synfig::ValueBase
 synfig::ValueNode_Scale::operator()(Time t)const
 {
+	if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+		printf("%s:%d operator()\n", __FILE__, __LINE__);
+
 	if(!value_node || !scalar)
 		throw runtime_error(strprintf("ValueNode_Scale: %s",_("One or both of my parameters aren't set!")));
 	else if(get_type()==ValueBase::TYPE_ANGLE)
@@ -188,21 +141,62 @@ synfig::ValueNode_Scale::operator()(Time t)const
 	return ValueBase();
 }
 
-
-bool
-ValueNode_Scale::set_link_vfunc(int i,ValueNode::Handle x)
+synfig::ValueBase
+synfig::ValueNode_Scale::get_inverse(Time t, const synfig::Vector &target_value) const
 {
-	assert(i>=0 && i<link_count());
+	Real scalar_value((*scalar)(t).get(Real()));
+	if(scalar_value==0)
+			throw runtime_error(strprintf("ValueNode_Scale: %s",_("Attempting to get the inverse of a non invertible Valuenode")));
+	else
+		{
+			switch (get_type())
+			{
+				case ValueBase::TYPE_REAL:
+					return target_value.mag() / scalar_value;
+				case ValueBase::TYPE_ANGLE:
+					return Angle::tan(target_value[1] / scalar_value ,target_value[0] / scalar_value);
+				default:
+					return target_value / scalar_value;
+			}
+		}
+	return ValueBase();
+}
 
-	if(i==0 && !set_value_node(x))
-		return false;
+synfig::ValueBase
+synfig::ValueNode_Scale::get_inverse(Time t, const synfig::Angle &target_value) const
+{
+	Real scalar_value((*scalar)(t).get(Real()));
+	if(scalar_value==0)
+			throw runtime_error(strprintf("ValueNode_Scale: %s",_("Attempting to get the inverse of a non invertible Valuenode")));
 	else
-	if(i==1 && !set_scalar(x))
-		return false;
+		{
+			switch (get_type())
+			{
+					default:
+					return (*value_node)(t).get(Angle()) + target_value / scalar_value;
+			}
+		}
+	return ValueBase();
+}
+
+bool
+synfig::ValueNode_Scale::is_invertible(Time t) const
+{
+	Real scalar_value((*scalar)(t).get(Real()));
+	return (!scalar_value==0);
+}
 
-	signal_child_changed()(i);signal_value_changed()();
+bool
+ValueNode_Scale::set_link_vfunc(int i,ValueNode::Handle value)
+{
+	assert(i>=0 && i<link_count());
 
-	return true;
+	switch(i)
+	{
+	case 0: CHECK_TYPE_AND_SET_VALUE(value_node, get_type());
+	case 1: CHECK_TYPE_AND_SET_VALUE(scalar,     ValueBase::TYPE_REAL);
+	}
+	return false;
 }
 
 ValueNode::LooseHandle