-/* === S Y N F I G ========================================================= */
-/*! \file valuenode_subtract.cpp
-** \brief Template File
-**
-** $Id: valuenode_twotone.cpp,v 1.1.1.1 2005/01/04 01:23:15 darco Exp $
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "general.h"
-#include "valuenode_twotone.h"
-#include "valuenode_const.h"
-#include <stdexcept>
-#include "color.h"
-#include "gradient.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-synfig::ValueNode_TwoTone::ValueNode_TwoTone():LinkableValueNode(synfig::ValueBase::TYPE_GRADIENT)
-{
- set_link("color1",ValueNode_Const::create(Color::black()));
- set_link("color2",ValueNode_Const::create(Color::white()));
- DCAST_HACK_ENABLE();
-}
-
-LinkableValueNode*
-ValueNode_TwoTone::create_new()const
-{
- return new ValueNode_TwoTone();
-}
-
-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;
-}
-
-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
-{
- return Gradient((*ref_a)(t).get(Color()),(*ref_b)(t).get(Color()));
-}
-
-bool
-ValueNode_TwoTone::set_link_vfunc(int i,ValueNode::Handle x)
-{
- assert(i>=0 && i<3);
- 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; }
- }
-
- return false;
-}
-
-ValueNode::LooseHandle
-ValueNode_TwoTone::get_link_vfunc(int i)const
-{
- assert(i>=0 && i<3);
- switch(i)
- {
- case 0:
- return ref_a;
- case 1:
- return ref_b;
- }
- return 0;
-}
-
-int
-ValueNode_TwoTone::link_count()const
-{
- return 2;
-}
-
-String
-ValueNode_TwoTone::link_local_name(int i)const
-{
- assert(i>=0 && i<2);
- switch(i)
- {
- case 0:
- return _("Color1");
- case 1:
- return _("Color2");
- }
- return String();
-}
-
-String
-ValueNode_TwoTone::link_name(int i)const
-{
- assert(i>=0 && i<2);
- switch(i)
- {
- case 0:
- return "color1";
- case 1:
- return "color2";
- }
- return String();
-}
-
-int
-ValueNode_TwoTone::get_link_index_from_name(const String &name)const
-{
- if(name=="color1")
- return 0;
- if(name=="color2")
- return 1;
- throw Exception::BadLinkName(name);
-}
-
-String
-ValueNode_TwoTone::get_name()const
-{
- return "twotone";
-}
-
-String
-ValueNode_TwoTone::get_local_name()const
-{
- return _("Two-Tone");
-}
-
-bool
-ValueNode_TwoTone::check_type(ValueBase::Type type)
-{
- return type==ValueBase::TYPE_GRADIENT;
-}