synfig-studio/trunk/src/synfigapp/actions/blinepointtangentmerge.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file blinepointtangentmerge.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: blinepointtangentmerge.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002 Robert B. Quattlebaum Jr.
   9 **
  10 **      This software and associated documentation
  11 **      are CONFIDENTIAL and PROPRIETARY property of
  12 **      the above-mentioned copyright holder.
  13 **
  14 **      You may not copy, print, publish, or in any
  15 **      other way distribute this software without
  16 **      a prior written agreement with
  17 **      the copyright holder.
  18 **      \endlegal
  19 */
  20 /* ========================================================================= */
  21
  22 /* === H E A D E R S ======================================================= */
  23
  24 #ifdef USING_PCH
  25 #       include "pch.h"
  26 #else
  27 #ifdef HAVE_CONFIG_H
  28 #       include <config.h>
  29 #endif
  30
  31 #include "blinepointtangentmerge.h"
  32 #include "valuedescset.h"
  33
  34 #include "activepointset.h"
  35 #include "activepointadd.h"
  36
  37 #include "valuedescconnect.h"
  38 #include <synfigapp/canvasinterface.h>
  39
  40 #endif
  41
  42 using namespace std;
  43 using namespace etl;
  44 using namespace synfig;
  45 using namespace synfigapp;
  46 using namespace Action;
  47
  48 /* === M A C R O S ========================================================= */
  49
  50 ACTION_INIT(Action::BLinePointTangentMerge);
  51 ACTION_SET_NAME(Action::BLinePointTangentMerge,"bline_point_tangent_merge");
  52 ACTION_SET_LOCAL_NAME(Action::BLinePointTangentMerge,_("Merge Tangents"));
  53 ACTION_SET_TASK(Action::BLinePointTangentMerge,"merge");
  54 ACTION_SET_CATEGORY(Action::BLinePointTangentMerge,Action::CATEGORY_VALUENODE);
  55 ACTION_SET_PRIORITY(Action::BLinePointTangentMerge,0);
  56 ACTION_SET_VERSION(Action::BLinePointTangentMerge,"0.0");
  57 ACTION_SET_CVS_ID(Action::BLinePointTangentMerge,"$Id: blinepointtangentmerge.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  58
  59 /* === G L O B A L S ======================================================= */
  60
  61 /* === P R O C E D U R E S ================================================= */
  62
  63 /* === M E T H O D S ======================================================= */
  64
  65 Action::BLinePointTangentMerge::BLinePointTangentMerge()
  66 {
  67         time=(Time::begin()-1);
  68         set_dirty(true);
  69 }
  70
  71 Action::ParamVocab
  72 Action::BLinePointTangentMerge::get_param_vocab()
  73 {
  74         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  75
  76         ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
  77                 .set_local_name(_("ValueNode of BLinePoint"))
  78         );
  79
  80         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  81                 .set_local_name(_("Time"))
  82         );
  83
  84         return ret;
  85 }
  86
  87 bool
  88 Action::BLinePointTangentMerge::is_canidate(const ParamList &x)
  89 {
  90         if(canidate_check(get_param_vocab(),x))
  91         {
  92                 ValueNode_Composite::Handle value_node;
  93                 value_node=ValueNode_Composite::Handle::cast_dynamic(x.find("value_node")->second.get_value_node());
  94                 if(!value_node || value_node->get_type()!=ValueBase::TYPE_BLINEPOINT)
  95                         return false;
  96                 synfig::Time time(x.find("time")->second.get_time());
  97                 if((*value_node->get_link("split"))(time).get(bool())==false)
  98                         return false;
  99                 return true;
 100         }
 101         return false;
 102 }
 103
 104 bool
 105 Action::BLinePointTangentMerge::set_param(const synfig::String& name, const Action::Param &param)
 106 {
 107         if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
 108         {
 109                 value_node=value_node.cast_dynamic(param.get_value_node());
 110
 111                 return (bool)(value_node);
 112         }
 113         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 114         {
 115                 time=param.get_time();
 116
 117                 return true;
 118         }
 119
 120         return Action::CanvasSpecific::set_param(name,param);
 121 }
 122
 123 bool
 124 Action::BLinePointTangentMerge::is_ready()const
 125 {
 126         if(!value_node)
 127                 synfig::error("Missing or bad value_node");
 128
 129         if(time==(Time::begin()-1))
 130                 synfig::error("Missing time");
 131
 132         if(!value_node || time==(Time::begin()-1))
 133                 return false;
 134         return Action::CanvasSpecific::is_ready();
 135 }
 136
 137 void
 138 Action::BLinePointTangentMerge::prepare()
 139 {
 140         clear();
 141
 142         Action::Handle action;
 143
 144         {
 145                 action=Action::create("value_desc_set");
 146                 if(!action)
 147                         throw Error(_("Couldn't find action \"value_desc_set\""));
 148
 149                 action->set_param("canvas",get_canvas());
 150                 action->set_param("canvas_interface",get_canvas_interface());
 151                 action->set_param("value_desc",ValueDesc(value_node,3));
 152                 action->set_param("time",time);
 153                 action->set_param("new_value",synfig::ValueBase(false));
 154
 155                 assert(action->is_ready());
 156                 if(!action->is_ready())
 157                         throw Error(Error::TYPE_NOTREADY);
 158
 159                 add_action(action);
 160         }
 161         {
 162                 action=Action::create("value_desc_set");
 163                 if(!action)
 164                         throw Error(_("Couldn't find action \"value_desc_set\""));
 165
 166                 action->set_param("canvas",get_canvas());
 167                 action->set_param("canvas_interface",get_canvas_interface());
 168                 action->set_param("value_desc",ValueDesc(value_node,5));
 169                 action->set_param("time",time);
 170                 action->set_param("new_value",(*value_node->get_link("t1"))(time));
 171
 172                 assert(action->is_ready());
 173                 if(!action->is_ready())
 174                         throw Error(Error::TYPE_NOTREADY);
 175
 176                 add_action(action);
 177         }
 178
 179 }