--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file valuenode_gradientrotate.cpp
+** \brief Implementation of the "Gradient Rotate" valuenode conversion.
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** 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
+** 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_gradientrotate.h"
+#include "valuenode_const.h"
+#include <stdexcept>
+#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_GradientRotate::ValueNode_GradientRotate(const Gradient& x):
+ LinkableValueNode(synfig::ValueBase::TYPE_GRADIENT)
+{
+ set_link("gradient",ValueNode_Const::create(x));
+ set_link("offset",ValueNode_Const::create(Real(0)));
+ DCAST_HACK_ENABLE();
+}
+
+LinkableValueNode*
+ValueNode_GradientRotate::create_new()const
+{
+ return new ValueNode_GradientRotate(Gradient());
+}
+
+ValueNode_GradientRotate*
+ValueNode_GradientRotate::create(const ValueBase& x)
+{
+ ValueBase::Type id(x.get_type());
+ if(id!=ValueBase::TYPE_GRADIENT)
+ {
+ assert(0);
+ throw runtime_error(String(_("Gradient Rotate"))+_(":Bad type ")+ValueBase::type_local_name(id));
+ }
+
+ ValueNode_GradientRotate* value_node=new ValueNode_GradientRotate(x.get(Gradient()));
+
+ assert(value_node->get_type()==id);
+
+ return value_node;
+}
+
+synfig::ValueNode_GradientRotate::~ValueNode_GradientRotate()
+{
+ unlink_all();
+}
+
+synfig::ValueBase
+synfig::ValueNode_GradientRotate::operator()(Time t)const
+{
+ if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+ printf("%s:%d operator()\n", __FILE__, __LINE__);
+
+ Gradient gradient;
+ gradient=(*ref_gradient)(t).get(gradient);
+ Real offset((*ref_offset)(t).get(Real()));
+ Gradient::iterator iter;
+ for(iter=gradient.begin();iter!=gradient.end();++iter)
+ iter->pos+=offset;
+
+ return gradient;
+}
+
+bool
+ValueNode_GradientRotate::set_link_vfunc(int i,ValueNode::Handle value)
+{
+ assert(i>=0 && i<link_count());
+
+ switch(i)
+ {
+ case 0: CHECK_TYPE_AND_SET_VALUE(ref_gradient, ValueBase::TYPE_GRADIENT);
+ case 1: CHECK_TYPE_AND_SET_VALUE(ref_offset, ValueBase::TYPE_REAL);
+ }
+ return false;
+}
+
+ValueNode::LooseHandle
+ValueNode_GradientRotate::get_link_vfunc(int i)const
+{
+ assert(i>=0 && i<link_count());
+
+ switch(i)
+ {
+ case 0:
+ return ref_gradient;
+ case 1:
+ return ref_offset;
+ }
+ return 0;
+}
+
+int
+ValueNode_GradientRotate::link_count()const
+{
+ return 2;
+}
+
+String
+ValueNode_GradientRotate::link_local_name(int i)const
+{
+ assert(i>=0 && i<link_count());
+
+ switch(i)
+ {
+ case 0:
+ return _("Gradient");
+ case 1:
+ return _("Offset");
+ default:
+ return String();
+ }
+}
+
+String
+ValueNode_GradientRotate::link_name(int i)const
+{
+ assert(i>=0 && i<link_count());
+
+ switch(i)
+ {
+ case 0:
+ return "gradient";
+ case 1:
+ return "offset";
+ default: return String();
+ }
+}
+
+int
+ValueNode_GradientRotate::get_link_index_from_name(const String &name)const
+{
+ if(name=="gradient")
+ return 0;
+ if(name=="offset")
+ return 1;
+ throw Exception::BadLinkName(name);
+}
+
+String
+ValueNode_GradientRotate::get_name()const
+{
+ return "gradient_rotate";
+}
+
+String
+ValueNode_GradientRotate::get_local_name()const
+{
+ return _("Gradient Rotate");
+}
+
+bool
+ValueNode_GradientRotate::check_type(ValueBase::Type type)
+{
+ return type==ValueBase::TYPE_GRADIENT;
+}