synfig-core/trunk/src/synfig/timepointcollect.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file timepointcollect.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007 Chris Moore
  10 **
  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.
  15 **
  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.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include "timepointcollect.h"
  34 #include "valuenode_animated.h"
  35 #include "layer_pastecanvas.h"
  36 #include "layer.h"
  37 #include "canvas.h"
  38 #include "value.h"
  39
  40 #endif
  41
  42 /* === U S I N G =========================================================== */
  43
  44 using namespace std;
  45 using namespace etl;
  46 using namespace synfig;
  47
  48 /* === M A C R O S ========================================================= */
  49
  50 /* === G L O B A L S ======================================================= */
  51
  52 /* === P R O C E D U R E S ================================================= */
  53
  54 /* === M E T H O D S ======================================================= */
  55
  56 //! \writeme
  57 int
  58 synfig::waypoint_collect(set<Waypoint, std::less<UniqueID> >    &waypoint_set,
  59                                                  const Time                                                             &time,
  60                                                  const etl::handle<Node>                                &node)
  61 {
  62         const TimePointSet& timepoint_set(node->get_times());
  63
  64         // Check to see if there is anything in here at the given time
  65         if(timepoint_set.find(time)==timepoint_set.end())
  66                 return 0;
  67
  68         // Check if we are a linkable value node
  69         LinkableValueNode::Handle linkable_value_node;
  70         linkable_value_node=linkable_value_node.cast_dynamic(node);
  71         if(linkable_value_node)
  72         {
  73                 const int link_count(linkable_value_node->link_count());
  74                 int i,ret(0);
  75                 for(i=0;i<link_count;i++)
  76                         ret+=waypoint_collect(waypoint_set,time,linkable_value_node->get_link(i).get());
  77
  78                 return ret;
  79         }
  80
  81         // Check if we are a layer
  82         Layer::Handle layer;
  83         layer=layer.cast_dynamic(node);
  84         if(layer)
  85         {
  86                 const Layer::DynamicParamList& dyn_param_list(layer->dynamic_param_list());
  87                 Layer::DynamicParamList::const_iterator iter;
  88                 int ret(0);
  89                 for(iter=dyn_param_list.begin();iter!=dyn_param_list.end();++iter)
  90                         ret+=waypoint_collect(waypoint_set,time,iter->second);
  91
  92                 ValueBase canvas_value(layer->get_param("canvas"));
  93                 if(canvas_value.get_type()==ValueBase::TYPE_CANVAS)
  94                 {
  95                         etl::handle<Layer_PasteCanvas> p = etl::handle<Layer_PasteCanvas>::cast_dynamic(layer);
  96                         if (p)
  97                                 ret+=waypoint_collect(waypoint_set, time + p->get_time_offset(),
  98                                                                           Canvas::Handle(canvas_value.get(Canvas::Handle())));
  99                         else
 100                                 ret+=waypoint_collect(waypoint_set, time,
 101                                                                           Canvas::Handle(canvas_value.get(Canvas::Handle())));
 102                 }
 103                 return ret;
 104         }
 105
 106         // Check if we are a canvas
 107         Canvas::Handle canvas;
 108         canvas=canvas.cast_dynamic(node);
 109         if(canvas)
 110         {
 111                 Canvas::const_iterator iter;
 112                 int ret(0);
 113                 for(iter=canvas->begin();iter!=canvas->end();++iter)
 114                         ret+=waypoint_collect(waypoint_set,time,*iter);
 115                 return ret;
 116         }
 117
 118         // Check if we are an animated value node
 119         ValueNode_Animated::Handle value_node_animated;
 120         value_node_animated=value_node_animated.cast_dynamic(node);
 121         if(value_node_animated)
 122         {
 123                 try{
 124                         Waypoint waypoint=*value_node_animated->find(time);
 125
 126                         // If it is already in the waypoint set, then
 127                         // don't bother adding it again
 128                         if(waypoint_set.find(waypoint)!=waypoint_set.end())
 129                                 return 0;
 130
 131                         waypoint_set.insert(waypoint);
 132                         return 1;
 133                 }catch(...)
 134                 {
 135                         return 0;
 136                 }
 137         }
 138
 139         return 0;
 140 }
 141
 142 //! \writeme
 143 int
 144 synfig::activepoint_collect(set<Activepoint, std::less<UniqueID> >& /*activepoint_set*/,const Time& time, const etl::handle<Node>& node)
 145 {
 146         const TimePointSet& timepoint_set(node->get_times());
 147
 148         // Check to see if there is anything in here at the given time
 149         if(timepoint_set.find(time)==timepoint_set.end())
 150                 return 0;
 151
 152         return 0;
 153 }