synfig-core/tags/synfig_0_61_06/src/modules/lyr_std/import.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file import.cpp
   3 **      \brief Image Import Layer Implementation
   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 ** === N O T E S ===========================================================
  22 **
  23 ** ========================================================================= */
  24
  25 /* === H E A D E R S ======================================================= */
  26
  27 #ifdef USING_PCH
  28 #       include "pch.h"
  29 #else
  30 #ifdef HAVE_CONFIG_H
  31 #       include <config.h>
  32 #endif
  33
  34 #include "import.h"
  35 #include <synfig/string.h>
  36 #include <synfig/time.h>
  37 #include <synfig/context.h>
  38 #include <synfig/paramdesc.h>
  39 #include <synfig/renddesc.h>
  40 #include <synfig/surface.h>
  41 #include <synfig/value.h>
  42 #include <synfig/valuenode.h>
  43 #include <synfig/canvas.h>
  44
  45 #endif
  46
  47 using namespace synfig;
  48 using namespace std;
  49 using namespace etl;
  50
  51 /* === M A C R O S ========================================================= */
  52
  53 /* === G L O B A L S ======================================================= */
  54
  55 SYNFIG_LAYER_INIT(Import);
  56 SYNFIG_LAYER_SET_NAME(Import,"import");
  57 SYNFIG_LAYER_SET_LOCAL_NAME(Import,_("Import"));
  58 SYNFIG_LAYER_SET_CATEGORY(Import,_("Other"));
  59 SYNFIG_LAYER_SET_VERSION(Import,"0.1");
  60 SYNFIG_LAYER_SET_CVS_ID(Import,"$Id$");
  61
  62 /* === P R O C E D U R E S ================================================= */
  63
  64 /* === M E T H O D S ======================================================= */
  65
  66 Import::Import()
  67 {
  68         time_offset=0;
  69 }
  70
  71 Import::~Import()
  72 {
  73 }
  74
  75 void
  76 Import::on_canvas_set()
  77 {
  78         if(get_canvas())set_param("filename",filename);
  79 }
  80
  81 bool
  82 Import::set_param(const String & param, const ValueBase &value)
  83 {
  84         try{
  85         IMPORT(time_offset);
  86         if(param=="filename" && value.same_as(filename))
  87         {
  88                 if(!get_canvas())
  89                 {
  90                         filename=value.get(filename);
  91                         importer=0;
  92                         surface.clear();
  93                         return true;
  94                 }
  95
  96                 String newfilename=value.get(string());
  97                 String filename_with_path;
  98
  99                 // Get rid of any %20 crap
 100                 {
 101                         unsigned int n;
 102                         while((n=newfilename.find("%20"))!=String::npos)
 103                                 newfilename.replace(n,3," ");
 104                 }
 105
 106                 //if(get_canvas()->get_file_path()==dirname(newfilename))
 107                 //{
 108                 //      synfig::info("Image seems to be in local directory. Adjusting path...");
 109                 //      newfilename=basename(newfilename);
 110                 //}
 111
 112 #ifndef WIN32
 113                 if(is_absolute_path(newfilename))
 114                 {
 115                         string curpath(cleanup_path(absolute_path(get_canvas()->get_file_path())));
 116                         while(basename(curpath)==".")curpath=dirname(curpath);
 117
 118                         newfilename=relative_path(curpath,newfilename);
 119                         synfig::info("basename(curpath)=%s, Path adjusted to %s",basename(curpath).c_str(),newfilename.c_str());
 120                 }
 121 #endif
 122
 123                 if(filename.empty())
 124                         filename=newfilename;
 125
 126                 if(newfilename.empty())
 127                 {
 128                         filename=newfilename;
 129                         importer=0;
 130                         surface.clear();
 131                         return true;
 132                 }
 133
 134                 // If we are already loaded, don't reload
 135                 if(filename==newfilename && importer)
 136                 {
 137                         synfig::warning(strprintf(_("Filename seems to already be set to \"%s\" (%s)"),filename.c_str(),newfilename.c_str()));
 138                         return true;
 139                 }
 140
 141                 assert(get_canvas());
 142
 143                 if(is_absolute_path(newfilename))
 144                         filename_with_path=newfilename;
 145                 else
 146                         filename_with_path=get_canvas()->get_file_path()+ETL_DIRECTORY_SEPERATOR+newfilename;
 147
 148                 handle<Importer> newimporter;
 149
 150                 newimporter=Importer::open(absolute_path(filename_with_path));
 151
 152                 if(!newimporter)
 153                 {
 154                         newimporter=Importer::open(get_canvas()->get_file_path()+ETL_DIRECTORY_SEPERATOR+basename(newfilename));
 155                         if(!newimporter)
 156                         {
 157                                 synfig::error(strprintf("Unable to create an importer object with file \"%s\"",filename_with_path.c_str()));
 158                                 surface.clear();
 159                                 return false;
 160                         }
 161                 }
 162
 163                 surface.clear();
 164                 if(!newimporter->get_frame(surface,Time(0)))
 165                 {
 166                         synfig::warning(strprintf("Unable to get frame from \"%s\"",filename_with_path.c_str()));
 167                 }
 168
 169                 importer=newimporter;
 170                 filename=newfilename;
 171                 abs_filename=absolute_path(filename_with_path);
 172
 173                 return true;
 174         }
 175         } catch(...) { set_amount(0); return false; }
 176
 177         return Layer_Bitmap::set_param(param,value);
 178 }
 179
 180 ValueBase
 181 Import::get_param(const String & param)const
 182 {
 183         EXPORT(time_offset);
 184
 185         if(get_canvas())
 186         {
 187                 if(param=="filename")
 188                 {
 189                         string curpath(cleanup_path(absolute_path(get_canvas()->get_file_path())));
 190                         return relative_path(curpath,abs_filename);
 191                 }
 192         }
 193         else
 194                 EXPORT(filename);
 195
 196         EXPORT_NAME();
 197         EXPORT_VERSION();
 198
 199         return Layer_Bitmap::get_param(param);
 200 }
 201
 202 Layer::Vocab
 203 Import::get_param_vocab()const
 204 {
 205         Layer::Vocab ret(Layer_Bitmap::get_param_vocab());
 206
 207         ret.push_back(ParamDesc("filename")
 208                 .set_local_name(_("Filename"))
 209                 .set_description(_("File to import"))
 210                 .set_hint("filename")
 211         );
 212         ret.push_back(ParamDesc("time_offset")
 213                 .set_local_name(_("Time Offset"))
 214         );
 215
 216         return ret;
 217 }
 218
 219 void
 220 Import::set_time(Context context, Time time)const
 221 {
 222         if(get_amount() && importer && importer->is_animated())importer->get_frame(surface,time+time_offset);
 223         //else surface.clear();
 224         context.set_time(time);
 225 }
 226
 227 void
 228 Import::set_time(Context context, Time time, const Point &pos)const
 229 {
 230         if(get_amount() && importer && importer->is_animated())importer->get_frame(surface,time+time_offset);
 231         //else surface.clear();
 232         context.set_time(time,pos);
 233 }