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 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include "timepointcollect.h"
  33 #include "valuenode_animated.h"
  34 #include "layer_pastecanvas.h"
  35 #include "layer.h"
  36 #include "canvas.h"
  37 #include "value.h"
  38
  39 #endif
  40
  41 /* === U S I N G =========================================================== */
  42
  43 using namespace std;
  44 using namespace etl;
  45 using namespace synfig;
  46
  47 /* === M A C R O S ========================================================= */
  48
  49 /* === G L O B A L S ======================================================= */
  50
  51 /* === P R O C E D U R E S ================================================= */
  52
  53 /* === M E T H O D S ======================================================= */
  54
  55 //! \writeme
  56 int
  57 synfig::waypoint_collect(set<Waypoint, std::less<UniqueID> >& waypoint_set,const Time& time, const etl::handle<Node>& node)
  58 {
  59         const TimePointSet& timepoint_set(node->get_times());
  60
  61         // Check to see if there is anything in here at the given time
  62         if(timepoint_set.find(time)==timepoint_set.end())
  63                 return 0;
  64
  65         // Check if we are a linkable value node
  66         LinkableValueNode::Handle linkable_value_node;
  67         linkable_value_node=linkable_value_node.cast_dynamic(node);
  68         if(linkable_value_node)
  69         {
  70                 const int link_count(linkable_value_node->link_count());
  71                 int i,ret(0);
  72                 for(i=0;i<link_count;i++)
  73                 {
  74                         ret+=waypoint_collect(waypoint_set,time,linkable_value_node->get_link(i).get());
  75                 }
  76                 return ret;
  77         }
  78
  79         // Check if we are a layer
  80         Layer::Handle layer;
  81         layer=layer.cast_dynamic(node);
  82         if(layer)
  83         {
  84                 const Layer::DynamicParamList& dyn_param_list(layer->dynamic_param_list());
  85                 Layer::DynamicParamList::const_iterator iter;
  86                 int ret(0);
  87                 for(iter=dyn_param_list.begin();iter!=dyn_param_list.end();++iter)
  88                 {
  89                         ret+=waypoint_collect(waypoint_set,time,iter->second);
  90                 }
  91                 ValueBase canvas_value(layer->get_param("canvas"));
  92                 if(canvas_value.get_type()==ValueBase::TYPE_CANVAS)
  93                 {
  94                         etl::handle<Layer_PasteCanvas> p = etl::handle<Layer_PasteCanvas>::cast_dynamic(layer);
  95                         if (p)
  96                                 ret+=waypoint_collect(waypoint_set, time + p->get_time_offset(),
  97                                                                           Canvas::Handle(canvas_value.get(Canvas::Handle())));
  98                         else
  99                                 ret+=waypoint_collect(waypoint_set, time,
 100                                                                           Canvas::Handle(canvas_value.get(Canvas::Handle())));
 101                 }
 102                 return ret;
 103         }
 104
 105         // Check if we are a canvas
 106         Canvas::Handle canvas;
 107         canvas=canvas.cast_dynamic(node);
 108         if(canvas)
 109         {
 110                 Canvas::const_iterator iter;
 111                 int ret(0);
 112                 for(iter=canvas->begin();iter!=canvas->end();++iter)
 113                         ret+=waypoint_collect(waypoint_set,time,*iter);
 114                 return ret;
 115         }
 116
 117         // Check if we are an animated value node
 118         ValueNode_Animated::Handle value_node_animated;
 119         value_node_animated=value_node_animated.cast_dynamic(node);
 120         if(value_node_animated)
 121         {
 122                 try{
 123                         Waypoint waypoint=*value_node_animated->find(time);
 124
 125                         // If it is already in the waypoint set, then
 126                         // don't bother adding it again
 127                         if(waypoint_set.find(waypoint)!=waypoint_set.end())
 128                         {
 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 }