Remove .gitignore do nothing is ignored.

[synfig.git] / synfig-core / trunk / src / synfig / valuenode_twotone.cpp

diff --git a/synfig-core/trunk/src/synfig/valuenode_twotone.cpp b/synfig-core/trunk/src/synfig/valuenode_twotone.cpp
index 76eaf7f..3c18ce0 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_twotone.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_twotone.cpp
@@ -1,11 +1,12 @@
 /* === S Y N F I G ========================================================= */
 /*!    \file valuenode_twotone.cpp
-**     \brief Template File
+**     \brief Implementation of the "Two-Tone" valuenode conversion.
 **
-**     $Id: valuenode_twotone.cpp,v 1.1.1.1 2005/01/04 01:23:15 darco Exp $
+**     $Id$
 **
 **     \legal
 **     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 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
@@ -52,34 +53,31 @@ using namespace synfig;
 
 /* === M E T H O D S ======================================================= */
 
-synfig::ValueNode_TwoTone::ValueNode_TwoTone():LinkableValueNode(synfig::ValueBase::TYPE_GRADIENT)
+synfig::ValueNode_TwoTone::ValueNode_TwoTone(const ValueBase &value):LinkableValueNode(synfig::ValueBase::TYPE_GRADIENT)
 {
-       set_link("color1",ValueNode_Const::create(Color::black()));
-       set_link("color2",ValueNode_Const::create(Color::white()));
+       switch(value.get_type())
+       {
+       case ValueBase::TYPE_GRADIENT:
+               set_link("color1",ValueNode_Const::create(value.get(Gradient())(0)));
+               set_link("color2",ValueNode_Const::create(value.get(Gradient())(1)));
+               break;
+       default:
+               throw Exception::BadType(ValueBase::type_local_name(value.get_type()));
+       }
+
        DCAST_HACK_ENABLE();
 }
 
 LinkableValueNode*
 ValueNode_TwoTone::create_new()const
 {
-       return new ValueNode_TwoTone();
+       return new ValueNode_TwoTone(get_type());
 }
 
 ValueNode_TwoTone*
 ValueNode_TwoTone::create(const ValueBase& x)
 {
-       ValueBase::Type id(x.get_type());
-       if(id!=ValueBase::TYPE_GRADIENT)
-       {
-               assert(0);
-               throw runtime_error("synfig::ValueNode_TwoTone:Bad type "+ValueBase::type_name(id));
-       }
-
-       ValueNode_TwoTone* value_node=new ValueNode_TwoTone();
-
-       assert(value_node->get_type()==id);
-
-       return value_node;
+       return new ValueNode_TwoTone(x);
 }
 
 synfig::ValueNode_TwoTone::~ValueNode_TwoTone()
@@ -87,53 +85,33 @@ synfig::ValueNode_TwoTone::~ValueNode_TwoTone()
        unlink_all();
 }
 
-bool
-synfig::ValueNode_TwoTone::set_lhs(ValueNode::Handle a)
-{
-       if(a->get_type()!=ValueBase::TYPE_COLOR)
-               return false;
-
-       ref_a=a;
-
-       return true;
-}
-
-bool
-synfig::ValueNode_TwoTone::set_rhs(ValueNode::Handle b)
-{
-       if(b->get_type()!=ValueBase::TYPE_COLOR)
-               return false;
-       ref_b=b;
-       return true;
-}
-
 synfig::ValueBase
 synfig::ValueNode_TwoTone::operator()(Time t)const
 {
+       if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+               printf("%s:%d operator()\n", __FILE__, __LINE__);
+
        return Gradient((*ref_a)(t).get(Color()),(*ref_b)(t).get(Color()));
 }
 
 bool
-ValueNode_TwoTone::set_link_vfunc(int i,ValueNode::Handle x)
+ValueNode_TwoTone::set_link_vfunc(int i,ValueNode::Handle value)
 {
-       assert(i>=0 && i<3);
+       assert(i>=0 && i<link_count());
+
        switch(i)
        {
-               case 0:
-                       if(set_lhs(x)) { signal_child_changed()(i);signal_value_changed()(); return true; }
-                       else { return false; }
-               case 1:
-                       if(set_rhs(x)) { signal_child_changed()(i);signal_value_changed()(); return true; }
-                       else { return false; }
+       case 0: CHECK_TYPE_AND_SET_VALUE(ref_a, ValueBase::TYPE_COLOR);
+       case 1: CHECK_TYPE_AND_SET_VALUE(ref_b, ValueBase::TYPE_COLOR);
        }
-
        return false;
 }
 
 ValueNode::LooseHandle
 ValueNode_TwoTone::get_link_vfunc(int i)const
 {
-       assert(i>=0 && i<3);
+       assert(i>=0 && i<link_count());
+
        switch(i)
        {
                case 0:
@@ -153,29 +131,33 @@ ValueNode_TwoTone::link_count()const
 String
 ValueNode_TwoTone::link_local_name(int i)const
 {
-       assert(i>=0 && i<2);
+       assert(i>=0 && i<link_count());
+
        switch(i)
        {
                case 0:
                        return _("Color1");
                case 1:
                        return _("Color2");
+               default:
+                       return String();
        }
-       return String();
 }
 
 String
 ValueNode_TwoTone::link_name(int i)const
 {
-       assert(i>=0 && i<2);
+       assert(i>=0 && i<link_count());
+
        switch(i)
        {
                case 0:
                        return "color1";
                case 1:
                        return "color2";
+               default:
+                       return String();
        }
-       return String();
 }
 
 int