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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file keyframeset.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: keyframewaypointset.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 "keyframewaypointset.h"
  32 #include <synfigapp/canvasinterface.h>
  33 #include <synfig/valuenode_dynamiclist.h>
  34 #include <synfig/valuenode_animated.h>
  35 #include "activepointsetsmart.h"
  36 #include "waypointsetsmart.h"
  37
  38 #endif
  39
  40 using namespace std;
  41 using namespace etl;
  42 using namespace synfig;
  43 using namespace synfigapp;
  44 using namespace Action;
  45
  46 /* === M A C R O S ========================================================= */
  47
  48 ACTION_INIT(Action::KeyframeWaypointSet);
  49 ACTION_SET_NAME(Action::KeyframeWaypointSet,"keyframe_waypoint_set");
  50 ACTION_SET_LOCAL_NAME(Action::KeyframeWaypointSet,"Set Waypoints at Keyframe");
  51 ACTION_SET_TASK(Action::KeyframeWaypointSet,"set");
  52 ACTION_SET_CATEGORY(Action::KeyframeWaypointSet,Action::CATEGORY_KEYFRAME);
  53 ACTION_SET_PRIORITY(Action::KeyframeWaypointSet,0);
  54 ACTION_SET_VERSION(Action::KeyframeWaypointSet,"0.0");
  55 ACTION_SET_CVS_ID(Action::KeyframeWaypointSet,"$Id: keyframewaypointset.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  56
  57 /* === G L O B A L S ======================================================= */
  58
  59 /* === P R O C E D U R E S ================================================= */
  60
  61 /* === M E T H O D S ======================================================= */
  62
  63 Action::KeyframeWaypointSet::KeyframeWaypointSet()
  64 {
  65         keyframe.set_time(Time::begin()-1);
  66         set_dirty(false);
  67 }
  68
  69 Action::ParamVocab
  70 Action::KeyframeWaypointSet::get_param_vocab()
  71 {
  72         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  73
  74         ret.push_back(ParamDesc("keyframe",Param::TYPE_KEYFRAME)
  75                 .set_local_name(_("Keyframe"))
  76         );
  77
  78         ret.push_back(ParamDesc("model",Param::TYPE_WAYPOINTMODEL)
  79                 .set_local_name(_("Waypoint Model"))
  80         );
  81
  82         return ret;
  83 }
  84
  85 bool
  86 Action::KeyframeWaypointSet::is_canidate(const ParamList &x)
  87 {
  88         return canidate_check(get_param_vocab(),x);
  89 }
  90
  91 bool
  92 Action::KeyframeWaypointSet::set_param(const synfig::String& name, const Action::Param &param)
  93 {
  94         if(name=="keyframe" && param.get_type()==Param::TYPE_KEYFRAME)
  95         {
  96                 keyframe=param.get_keyframe();
  97
  98                 return true;
  99         }
 100         if(name=="model" && param.get_type()==Param::TYPE_WAYPOINTMODEL)
 101         {
 102                 waypoint_model=param.get_waypoint_model();
 103
 104                 return true;
 105         }
 106
 107         return Action::CanvasSpecific::set_param(name,param);
 108 }
 109
 110 bool
 111 Action::KeyframeWaypointSet::is_ready()const
 112 {
 113         if(keyframe.get_time()==(Time::begin()-1) || waypoint_model.is_trivial())
 114                 return false;
 115         return Action::CanvasSpecific::is_ready();
 116 }
 117
 118 void
 119 Action::KeyframeWaypointSet::prepare()
 120 {
 121         clear();
 122
 123         try { get_canvas()->keyframe_list().find(keyframe);}
 124         catch(synfig::Exception::NotFound)
 125         {
 126                 throw Error(_("Unable to find the given keyframe"));
 127         }
 128
 129         {
 130                 std::vector<synfigapp::ValueDesc> value_desc_list;
 131                 get_canvas_interface()->find_important_value_descs(value_desc_list);
 132                 while(!value_desc_list.empty())
 133                 {
 134                         process_value_desc(value_desc_list.back());
 135                         value_desc_list.pop_back();
 136                 }
 137         }
 138 }
 139
 140 void
 141 Action::KeyframeWaypointSet::process_value_desc(const synfigapp::ValueDesc& value_desc)
 142 {
 143         if(value_desc.is_value_node())
 144         {
 145                 ValueNode_Animated::Handle value_node(ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node()));
 146
 147                 if(value_node)
 148                 {
 149                         Action::Handle action(WaypointSetSmart::create());
 150
 151                         action->set_param("canvas",get_canvas());
 152                         action->set_param("canvas_interface",get_canvas_interface());
 153                         action->set_param("value_node",ValueNode::Handle(value_node));
 154
 155                         Waypoint waypoint;
 156                         try
 157                         {
 158                                 waypoint=*value_node->find(keyframe.get_time());
 159                         }
 160                         catch(...)
 161                         {
 162                                 waypoint.set_time(keyframe.get_time());
 163                                 waypoint.set_value((*value_node)(keyframe.get_time()));
 164                         }
 165                         waypoint.apply_model(waypoint_model);
 166
 167                         action->set_param("waypoint",waypoint);
 168
 169                         assert(action->is_ready());
 170                         if(!action->is_ready())
 171                                 throw Error(Error::TYPE_NOTREADY);
 172
 173                         add_action_front(action);
 174                 }
 175         }
 176 }