1 /* === S Y N F I G ========================================================= */
2 /*! \file blinepointtangentsplit.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
33 #include "blinepointtangentsplit.h"
34 #include "valuedescset.h"
36 #include "activepointset.h"
37 #include "activepointadd.h"
39 #include "valuedescconnect.h"
40 #include <synfigapp/canvasinterface.h>
46 using namespace synfig;
47 using namespace synfigapp;
48 using namespace Action;
50 /* === M A C R O S ========================================================= */
52 ACTION_INIT(Action::BLinePointTangentSplit);
53 ACTION_SET_NAME(Action::BLinePointTangentSplit,"bline_point_tangent_split");
54 ACTION_SET_LOCAL_NAME(Action::BLinePointTangentSplit,_("Split Tangents"));
55 ACTION_SET_TASK(Action::BLinePointTangentSplit,"split");
56 ACTION_SET_CATEGORY(Action::BLinePointTangentSplit,Action::CATEGORY_VALUENODE);
57 ACTION_SET_PRIORITY(Action::BLinePointTangentSplit,0);
58 ACTION_SET_VERSION(Action::BLinePointTangentSplit,"0.0");
59 ACTION_SET_CVS_ID(Action::BLinePointTangentSplit,"$Id$");
61 /* === G L O B A L S ======================================================= */
63 /* === P R O C E D U R E S ================================================= */
65 /* === M E T H O D S ======================================================= */
67 Action::BLinePointTangentSplit::BLinePointTangentSplit()
69 time=(Time::begin()-1);
74 Action::BLinePointTangentSplit::get_param_vocab()
76 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
78 ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
79 .set_local_name(_("ValueNode of BLinePoint"))
82 ret.push_back(ParamDesc("time",Param::TYPE_TIME)
83 .set_local_name(_("Time"))
90 Action::BLinePointTangentSplit::is_candidate(const ParamList &x)
92 if(candidate_check(get_param_vocab(),x))
94 ValueNode_Composite::Handle value_node;
95 value_node=ValueNode_Composite::Handle::cast_dynamic(x.find("value_node")->second.get_value_node());
96 if(!value_node || value_node->get_type()!=ValueBase::TYPE_BLINEPOINT)
98 synfig::Time time(x.find("time")->second.get_time());
99 if((*value_node->get_link("split"))(time).get(bool())==true)
107 Action::BLinePointTangentSplit::set_param(const synfig::String& name, const Action::Param ¶m)
109 if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
111 value_node=value_node.cast_dynamic(param.get_value_node());
113 return (bool)(value_node);
115 if(name=="time" && param.get_type()==Param::TYPE_TIME)
117 time=param.get_time();
122 return Action::CanvasSpecific::set_param(name,param);
126 Action::BLinePointTangentSplit::is_ready()const
129 synfig::error("Missing or bad value_node");
131 if(time==(Time::begin()-1))
132 synfig::error("Missing time");
134 if(!value_node || time==(Time::begin()-1))
136 return Action::CanvasSpecific::is_ready();
140 Action::BLinePointTangentSplit::prepare()
144 Action::Handle action;
146 action=Action::create("value_desc_set");
148 throw Error(_("Couldn't find action \"value_desc_set\""));
150 action->set_param("canvas",get_canvas());
151 action->set_param("canvas_interface",get_canvas_interface());
152 action->set_param("value_desc",ValueDesc(value_node,3));
153 action->set_param("time",time);
154 action->set_param("new_value",synfig::ValueBase(true));
156 assert(action->is_ready());
157 if(!action->is_ready())
158 throw Error(Error::TYPE_NOTREADY);