+/* === S Y N F I G ========================================================= */
+/*! \file valuenode_radialcomposite.cpp
+** \brief Implementation of the "Radial Composite" 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 "valuenode_radialcomposite.h"
+#include "valuenode_const.h"
+#include <stdexcept>
+#include "general.h"
+#include "color.h"
+#include "savecanvas.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_RadialComposite::ValueNode_RadialComposite(const ValueBase &value):
+ LinkableValueNode(value.get_type())
+{
+ switch(get_type())
+ {
+ case ValueBase::TYPE_VECTOR:
+ {
+ Vector vect(value.get(Vector()));
+ set_link("r",ValueNode_Const::create(vect.mag()));
+ set_link("t",ValueNode_Const::create(Angle(Angle::tan(vect[1],vect[0]))));
+ }
+ break;
+ case ValueBase::TYPE_COLOR:
+ set_link("y",ValueNode_Const::create(value.get(Color()).get_y()));
+ set_link("s",ValueNode_Const::create(value.get(Color()).get_s()));
+ set_link("h",ValueNode_Const::create(value.get(Color()).get_hue()));
+ set_link("a",ValueNode_Const::create(value.get(Color()).get_a()));
+ break;
+ default:
+ assert(0);
+ throw Exception::BadType(ValueBase::type_local_name(get_type()));
+ }
+}
+
+ValueNode_RadialComposite::~ValueNode_RadialComposite()
+{
+ unlink_all();
+}
+
+ValueNode_RadialComposite*
+ValueNode_RadialComposite::create(const ValueBase &value)
+{
+ return new ValueNode_RadialComposite(value);
+}
+
+LinkableValueNode*
+ValueNode_RadialComposite::create_new()const
+{
+ return new ValueNode_RadialComposite(ValueBase(get_type()));
+}
+
+ValueBase
+synfig::ValueNode_RadialComposite::operator()(Time t)const
+{
+ switch(get_type())
+ {
+ case ValueBase::TYPE_VECTOR:
+ {
+ Real mag;
+ Angle angle;
+ assert(components[0] && components[1]);
+ mag=(*components[0])(t).get(mag);
+ angle=(*components[1])(t).get(angle);
+ return Vector(Angle::cos(angle).get()*mag,Angle::sin(angle).get()*mag);
+ }
+ case ValueBase::TYPE_COLOR:
+ {
+ assert(components[0] && components[1] && components[2] && components[3]);
+ return Color::YUV(
+ (*components[0])(t).get(Real()),
+ (*components[1])(t).get(Real()),
+ (*components[2])(t).get(Angle()),
+ (*components[3])(t).get(Real())
+ );
+ }
+ default:
+ synfig::error(string("ValueNode_RadialComposite::operator():")+_("Bad type for radialcomposite"));
+ assert(components[0]);
+ return (*components[0])(t);
+ }
+}
+
+int
+ValueNode_RadialComposite::link_count()const
+{
+ switch(get_type())
+ {
+ case ValueBase::TYPE_VECTOR:
+ return 2;
+ case ValueBase::TYPE_COLOR:
+ return 4;
+ default:
+ synfig::warning(string("ValueNode_RadialComposite::component_count():")+_("Bad type for radialcomposite"));
+ return 1;
+ }
+}
+
+bool
+ValueNode_RadialComposite::set_link_vfunc(int i,ValueNode::Handle x)
+{
+ assert(i>=0 && i<link_count());
+
+ if(PlaceholderValueNode::Handle::cast_dynamic(x))
+ {
+ components[i]=x;
+ return true;
+ }
+
+ switch(get_type())
+ {
+ case ValueBase::TYPE_VECTOR:
+ if(i==0 && x->get_type()!=ValueBase::TYPE_REAL)
+ return false;
+ if(i==1 && x->get_type()!=ValueBase::TYPE_ANGLE)
+ return false;
+ components[i]=x;
+ return true;
+ break;
+
+ case ValueBase::TYPE_COLOR:
+ if((i==0 || i==1 || i==3) && x->get_type()!=ValueBase::TYPE_REAL)
+ return false;
+ if((i==2) && x->get_type()!=ValueBase::TYPE_ANGLE)
+ return false;
+ components[i]=x;
+ return true;
+ break;
+
+
+ default:
+ break;
+ }
+ return false;
+}
+
+ValueNode::LooseHandle
+ValueNode_RadialComposite::get_link_vfunc(int i)const
+{
+ assert(i>=0 && i<link_count());
+
+ return components[i];
+}
+
+String
+ValueNode_RadialComposite::link_local_name(int i)const
+{
+ assert(i>=0 && i<link_count());
+
+ switch(get_type())
+ {
+ case ValueBase::TYPE_VECTOR:
+ if(i==0)
+ return _("Radius");
+ else if(i==1)
+ return _("Theta");
+ break;
+
+ case ValueBase::TYPE_COLOR:
+ if(i==0)
+ return _("Luma");
+ else if(i==1)
+ return _("Saturation");
+ else if(i==2)
+ return _("Hue");
+ else if(i==3)
+ return _("Alpha");
+ break;
+
+ default:
+ break;
+ }
+
+ assert(0);
+ // notice that Composite counts from 1 and Radial Composite counts
+ // from 0! we need to keep it like that to correctly load old
+ // animations, but let's not save "c%d" format link names in future
+ return etl::strprintf(_("C%d"),i);
+}
+
+
+String
+ValueNode_RadialComposite::link_name(int i)const
+{
+ assert(i>=0 && i<link_count());
+
+ if (get_file_version() < RELEASE_VERSION_0_61_08)
+ return strprintf("c%d",i);
+
+ switch(get_type())
+ {
+ case ValueBase::TYPE_COLOR:
+ switch(i)
+ {
+ case 0: return "y_luma"; // the 'luma' attribute is recognised by the fact that it starts with a 'y'
+ case 1: return "saturation";
+ case 2: return "hue";
+ case 3: return "alpha";
+ }
+ break;
+ case ValueBase::TYPE_VECTOR:
+ switch(i)
+ {
+ case 0: return "radius";
+ case 1: return "theta";
+ }
+ break;
+ default:
+ break;
+ }
+
+ assert(0);
+ // notice that Composite counts from 1 and Radial Composite counts
+ // from 0! we need to keep it like that to correctly load old
+ // animations, but let's not save "c%d" format link names in future
+ return strprintf("c%d",i);
+}
+
+int
+ValueNode_RadialComposite::get_link_index_from_name(const String &name)const
+{
+ if(name.empty())
+ throw Exception::BadLinkName(name);
+
+ if(name[0]=='c' && name.size() == 2 && name[1]-'0' >= 0 && name[1]-'0' < link_count())
+ return name[1]-'0';
+
+ switch(get_type())
+ {
+ case ValueBase::TYPE_COLOR:
+ if(name[0]=='y')
+ return 0;
+ if(name[0]=='s')
+ return 1;
+ if(name[0]=='h')
+ return 2;
+ if(name[0]=='a')
+ return 3;
+ case ValueBase::TYPE_VECTOR:
+ if(name[0]=='r')
+ return 0;
+ if(name[0]=='t')
+ return 1;
+ default:
+ break;
+ }
+
+ throw Exception::BadLinkName(name);
+}
+
+String
+ValueNode_RadialComposite::get_name()const
+{
+ return "radial_composite";
+}
+
+String
+ValueNode_RadialComposite::get_local_name()const
+{
+ return _("Radial Composite");
+}
+
+bool
+ValueNode_RadialComposite::check_type(ValueBase::Type type)
+{
+ return
+ type==ValueBase::TYPE_VECTOR ||
+ type==ValueBase::TYPE_COLOR;
+}