** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2007, 2008 Chris Moore
+** Copyright (c) 2010 Carlos López
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
#include <synfigapp/canvasinterface.h>
#include <synfig/valuenode_const.h>
+#include <synfig/valuenode_scale.h>
#include <synfigapp/general.h>
ACTION_SET_VERSION(Action::ValueDescLink,"0.0");
ACTION_SET_CVS_ID(Action::ValueDescLink,"$Id$");
+ACTION_INIT(Action::ValueDescLinkOpposite);
+ACTION_SET_NAME(Action::ValueDescLinkOpposite,"ValueDescLinkOpposite");
+ACTION_SET_LOCAL_NAME(Action::ValueDescLinkOpposite,N_("Link Opposite"));
+ACTION_SET_TASK(Action::ValueDescLinkOpposite,"connect");
+ACTION_SET_CATEGORY(Action::ValueDescLinkOpposite,Action::CATEGORY_VALUEDESC);
+ACTION_SET_PRIORITY(Action::ValueDescLinkOpposite,0);
+ACTION_SET_VERSION(Action::ValueDescLinkOpposite,"0.0");
+ACTION_SET_CVS_ID(Action::ValueDescLinkOpposite,"$Id$");
+
/* === G L O B A L S ======================================================= */
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
-Action::ValueDescLink::ValueDescLink(): poison(false), status_level(0)
+Action::ValueDescLink::ValueDescLink():
+poison(false), status_level(0), link_scalar(0.0), link_opposite(false)
{
}
ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
- .set_local_name(_("ValueDesc to link"))
+ .set_local_name(_("ValueDesc to smart link"))
.set_requires_multiple()
);
}
link_value_node=value_desc.get_value_node();
+ link_scalar=value_desc.get_scalar();
status_message = _("Used exported ValueNode ('") + link_value_node->get_id() + _("').");
}
else if(value_desc.is_value_node())
status_level = 1;
status_message = _("Using the only available ValueNode.");
link_value_node=value_desc.get_value_node();
+ link_scalar=value_desc.get_scalar();
}
else if(link_value_node->is_exported())
{
status_level = 2;
status_message = _("Using the most referenced ValueNode.");
link_value_node=value_desc.get_value_node();
+ link_scalar=value_desc.get_scalar();
}
else if (status_level <= 2)
{
status_level = 3;
status_message = _("There's a tie for most referenced; using the animated ValueNode.");
link_value_node=value_desc.get_value_node();
+ link_scalar=value_desc.get_scalar();
}
else if(ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()) && !ValueNode_Const::Handle::cast_dynamic(link_value_node))
{
status_level = 4;
status_message = _("There's a tie for most referenced, and both are animated; using the one with the most waypoints.");
link_value_node=value_desc.get_value_node();
+ link_scalar=value_desc.get_scalar();
}
else if (status_level <= 4)
{
status_level = 4;
status_message = _("There's a tie for most referenced, and both are linkable value node animated; using the one with the most waypoints.");
link_value_node=value_desc.get_value_node();
+ link_scalar=value_desc.get_scalar();
}
else if (status_level <= 4)
{
status_level = 5;
status_message = _("Everything is tied; using the least recently modified value.");
link_value_node=value_desc.get_value_node();
+ link_scalar=value_desc.get_scalar();
}
else if (status_level <= 5)
{
add_action_front(action);
}
- /*
- if(!link_value_node->is_exported())
- {
- Action::Handle action(Action::create("ValueNodeAdd"));
-
- action->set_param("canvas",get_canvas());
- action->set_param("canvas_interface",get_canvas_interface());
- action->set_param("new",link_value_node);
- action->set_param("name",strprintf(_("Unnamed%08d"),synfig::UniqueID().get_uid()));
-
- assert(action->is_ready());
- if(!action->is_ready())
- throw Error(Error::TYPE_NOTREADY);
-
- add_action_front(action);
- }
- */
+ // Check if the selected link value node is already a scale -1.0 Linkable Value Node
+ bool link_is_scaled(false);
+ if(synfig::ValueNode_Scale::Handle::cast_dynamic(link_value_node))
+ {
+ synfig::ValueNode_Const::Handle scale_vn(
+ synfig::ValueNode_Const::Handle::cast_dynamic(
+ synfig::ValueNode_Scale::Handle::cast_dynamic(link_value_node)->get_link(1)
+ )
+ );
+ if(scale_vn)
+ if((*scale_vn)(synfig::Time(0))==synfig::ValueBase(Real(-1.0)))
+ link_is_scaled=true;
+ }
std::list<ValueDesc>::iterator iter;
+ // Gets the scalar value of the current value node
+ Real current_scalar(value_desc_list.begin()->get_scalar());
+ bool found_inverse(false);
+ // Check if we are dealing the case of linking differnt types of tangents
+ for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
+ {
+ ValueDesc& v_desc(*iter);
+ // If parent is linkable value node
+ if(v_desc.parent_is_linkable_value_node())
+ {
+ // if the link describe to any tangent (index 4 or 5), continue
+ if(v_desc.get_index() == 4 || v_desc.get_index() == 5)
+ {
+ synfig::Real iter_scalar=v_desc.get_scalar();
+ // Let's compare the sign of scalar of the value node witht the current one
+ // and remember if a change of sign is seen.
+ if(iter_scalar*current_scalar < 0) // if they have different signs
+ {
+ found_inverse=true;
+ current_scalar=iter_scalar;
+ }
+ }
+ else // link doesn't describe a tangent
+ {
+ found_inverse=false;
+ break;
+ }
+ }
+ else // parent is not a linkable value node
+ {
+ found_inverse=false;
+ break;
+ }
+ }
+ // found_inverse = true only if all they are tangents and some are inversed tangents
+ //Noe let's loop throug all the value desc
for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
{
ValueDesc& value_desc(*iter);
// don't link it to itself
if (value_desc.is_exported())
continue;
+ // Don't link the selected to itself (maybe it is redundant with the previous check)
+ if(value_desc.get_value_node() == link_value_node)
+ continue;
+ // found_inverse xor link_opposite
+ // If found_inverse and not link_opposite then scale by -1 first (smart link)
+ // If found inverse and link_opposite then do a direct link instead
+ // If not found_inverse and not link_opposite then do a direct link instead
+ // If not found_inverse and link_opposite then scale by -1 first (smart link)
+ if((found_inverse && !link_opposite) || (!found_inverse && link_opposite))
+ {
+ //Check if the current value node has opposite scalar than the link
+ // value node to convert to scale -1.0 before connect.
+ // Check also if the link value node is NOT also a scale -1
+ // And check also if we are linking opposite
+ if( (value_desc.get_scalar()*link_scalar<0 || link_opposite) && (link_is_scaled==false))
+ {
+ //Let's create a Scale Value Node
+ synfig::ValueNode::Handle scale_value_node=synfig::LinkableValueNode::create("scale",iter->get_value(time));
+ if(!scale_value_node)
+ throw Error(Error::TYPE_BUG);
+ scale_value_node->set_parent_canvas(get_canvas());
+ //Let's connect the new Scale Value Node to the value node
+ Action::Handle action1(Action::create("ValueDescConnect"));
+ if(!action1)
+ throw Error(Error::TYPE_CRITICAL);
+ action1->set_param("canvas",get_canvas());
+ action1->set_param("canvas_interface",get_canvas_interface());
+ action1->set_param("dest",value_desc);
+ action1->set_param("src",scale_value_node);
+ assert(action1->is_ready());
+ if(!action1->is_ready())
+ throw Error(Error::TYPE_NOTREADY);
+ add_action_front(action1);
+
+ //Let's Connect the link value node to the scale value node link subparam
+ Action::Handle action2(Action::create("ValueNodeLinkConnect"));
+ if(!action2)
+ throw Error(Error::TYPE_CRITICAL);
+
+ action2->set_param("canvas",get_canvas());
+ action2->set_param("canvas_interface",get_canvas_interface());
+ action2->set_param("parent_value_node",scale_value_node);
+ action2->set_param("index",0);
+ action2->set_param("value_node",link_value_node);
+ assert(action2->is_ready());
+ if(!action2->is_ready())
+ throw Error(Error::TYPE_NOTREADY);
+ add_action_front(action2);
+
+ //Let's Set the scale to -1
+ Action::Handle action3(Action::create("ValueNodeConstSet"));
+ if(!action3)
+ throw Error(Error::TYPE_CRITICAL);
+
+ action3->set_param("canvas",get_canvas());
+ action3->set_param("canvas_interface",get_canvas_interface());
+ action3->set_param("value_node",synfig::LinkableValueNode::Handle::cast_dynamic(scale_value_node)->get_link(1));
+ action3->set_param("new_value",synfig::ValueBase(Real(-1.0)));
+ assert(action3->is_ready());
+ if(!action3->is_ready())
+ throw Error(Error::TYPE_NOTREADY);
+ add_action_front(action3);
+ }
+ else if((iter->get_scalar()*link_scalar<0 || link_opposite) && (link_is_scaled==true))
+ {
+ //Let's connect the link value node -> link to the value node
+ // There is not needed conversion to scale of the value node
+ // because the link value node is already a scale -1
+ Action::Handle action4(Action::create("ValueDescConnect"));
+ if(!action4)
+ throw Error(Error::TYPE_CRITICAL);
+ action4->set_param("canvas",get_canvas());
+ action4->set_param("canvas_interface",get_canvas_interface());
+ action4->set_param("dest",value_desc);
+ action4->set_param("src",synfig::ValueNode_Scale::Handle::cast_dynamic(link_value_node)->get_link(0));
+ assert(action4->is_ready());
+ if(!action4->is_ready())
+ throw Error(Error::TYPE_NOTREADY);
+ add_action_front(action4);
+ }
+ else
+ {
+ //Let's connect the link value node to the value node
+ Action::Handle action(Action::create("ValueDescConnect"));
- Action::Handle action(Action::create("ValueDescConnect"));
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("src",link_value_node);
+ action->set_param("dest",value_desc);
- action->set_param("canvas",get_canvas());
- action->set_param("canvas_interface",get_canvas_interface());
- action->set_param("src",link_value_node);
- action->set_param("dest",value_desc);
+ assert(action->is_ready());
+ if(!action->is_ready())
+ throw Error(Error::TYPE_NOTREADY);
- assert(action->is_ready());
- if(!action->is_ready())
- throw Error(Error::TYPE_NOTREADY);
+ add_action_front(action);
+ }
+ } // found inverse
+ else // Not found inverse so do a regualr link
+ {
+ //Let's connect the link value node to the value node
+ Action::Handle action(Action::create("ValueDescConnect"));
- add_action_front(action);
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("src",link_value_node);
+ action->set_param("dest",value_desc);
+
+ assert(action->is_ready());
+ if(!action->is_ready())
+ throw Error(Error::TYPE_NOTREADY);
+
+ add_action_front(action);
+ }
}
synfig::info("http://synfig.org/Linking#Tier_%d : %s", status_level, status_message.c_str());
}
+
+
+Action::ValueDescLinkOpposite::ValueDescLinkOpposite()
+{
+}
+
+Action::ParamVocab
+Action::ValueDescLinkOpposite::get_param_vocab()
+{
+ return Action::ValueDescLink::get_param_vocab();
+}
+
+bool
+Action::ValueDescLinkOpposite::is_candidate(const ParamList &x)
+{
+ // If action parameters are not Value Desc
+ if(!candidate_check(get_param_vocab(),x))
+ return false;
+
+ int total_tangents=0;
+ ParamList::const_iterator iter;
+ //Search thru all the Param and pick up the value descriptions
+ for(iter=x.begin(); iter!=x.end(); iter++)
+ {
+ if(iter->first == "value_desc")
+ {
+ ValueDesc v_desc(iter->second.get_value_desc());
+ // if the value description parent is linkable value node, continue
+ if(!v_desc.parent_is_linkable_value_node())
+ return false;
+ // if the link describe to any tangent (index 4 or 5), continue
+ if(v_desc.get_index() != 4 && v_desc.get_index() != 5)
+ return false;
+ total_tangents++;
+ }
+ }
+ // If we found two tangents then continue
+ if(total_tangents!=2)
+ return false;
+ // We have reached exactly two tangents
+ return true;
+}
+
+bool
+Action::ValueDescLinkOpposite::set_param(const synfig::String& name, const Action::Param ¶m)
+{
+ return Action::ValueDescLink::set_param(name,param);
+}
+
+bool
+Action::ValueDescLinkOpposite::is_ready()const
+{
+ return Action::ValueDescLink::is_ready();
+}
+
+void
+Action::ValueDescLinkOpposite::prepare()
+{
+ // prepare to do a opposite link and reuse the code from ValueDescLink
+ link_opposite=true;
+ ValueDescLink::prepare();
+}
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