synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/lyr_std/import.cpp

   1 /*! ========================================================================
   2 ** Synfig
   3 ** Image Import Layer Implementation
   4 ** $Id: import.cpp,v 1.2 2005/03/19 04:26:42 darco Exp $
   5 **
   6 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   7 **
   8 **      This package is free software; you can redistribute it and/or
   9 **      modify it under the terms of the GNU General Public License as
  10 **      published by the Free Software Foundation; either version 2 of
  11 **      the License, or (at your option) any later version.
  12 **
  13 **      This package is distributed in the hope that it will be useful,
  14 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 **      General Public License for more details.
  17 **
  18 ** === N O T E S ===========================================================
  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 "import.h"
  32 #include <synfig/string.h>
  33 #include <synfig/time.h>
  34 #include <synfig/context.h>
  35 #include <synfig/paramdesc.h>
  36 #include <synfig/renddesc.h>
  37 #include <synfig/surface.h>
  38 #include <synfig/value.h>
  39 #include <synfig/valuenode.h>
  40 #include <synfig/canvas.h>
  41
  42 #endif
  43
  44 using namespace synfig;
  45 using namespace std;
  46 using namespace etl;
  47
  48 /* === M A C R O S ========================================================= */
  49
  50 /* === G L O B A L S ======================================================= */
  51
  52 SYNFIG_LAYER_INIT(Import);
  53 SYNFIG_LAYER_SET_NAME(Import,"import");
  54 SYNFIG_LAYER_SET_LOCAL_NAME(Import,_("Import"));
  55 SYNFIG_LAYER_SET_CATEGORY(Import,_("Other"));
  56 SYNFIG_LAYER_SET_VERSION(Import,"0.1");
  57 SYNFIG_LAYER_SET_CVS_ID(Import,"$Id: import.cpp,v 1.2 2005/03/19 04:26:42 darco Exp $");
  58
  59 /* === P R O C E D U R E S ================================================= */
  60
  61 /* === M E T H O D S ======================================================= */
  62
  63 Import::Import()
  64 {
  65         time_offset=0;
  66 }
  67
  68 Import::~Import()
  69 {
  70 }
  71
  72 void
  73 Import::on_canvas_set()
  74 {
  75         if(get_canvas())set_param("filename",filename);
  76 }
  77
  78 bool
  79 Import::set_param(const String & param, const ValueBase &value)
  80 {
  81         try{
  82         IMPORT(time_offset);
  83         if(param=="filename" && value.same_as(filename))
  84         {
  85                 if(!get_canvas())
  86                 {
  87                         filename=value.get(filename);
  88                         importer=0;
  89                         surface.clear();
  90                         return true;
  91                 }
  92
  93                 String newfilename=value.get(string());
  94                 String filename_with_path;
  95
  96                 // Get rid of any %20 crap
  97                 {
  98                         unsigned int n;
  99                         while((n=newfilename.find("%20"))!=String::npos)
 100                                 newfilename.replace(n,3," ");
 101                 }
 102
 103                 //if(get_canvas()->get_file_path()==dirname(newfilename))
 104                 //{
 105                 //      synfig::info("Image seems to be in local directory. Adjusting path...");
 106                 //      newfilename=basename(newfilename);
 107                 //}
 108
 109 #ifndef WIN32
 110                 if(is_absolute_path(newfilename))
 111                 {
 112                         string curpath(cleanup_path(absolute_path(get_canvas()->get_file_path())));
 113                         while(basename(curpath)==".")curpath=dirname(curpath);
 114
 115                         newfilename=relative_path(curpath,newfilename);
 116                         synfig::info("basename(curpath)=%s, Path adjusted to %s",basename(curpath).c_str(),newfilename.c_str());
 117                 }
 118 #endif
 119
 120                 if(filename.empty())
 121                         filename=newfilename;
 122
 123                 if(newfilename.empty())
 124                 {
 125                         filename=newfilename;
 126                         importer=0;
 127                         surface.clear();
 128                         return true;
 129                 }
 130
 131                 // If we are already loaded, don't reload
 132                 if(filename==newfilename && importer)
 133                 {
 134                         synfig::warning(strprintf(_("Filename seems to already be set to \"%s\" (%s)"),filename.c_str(),newfilename.c_str()));
 135                         return true;
 136                 }
 137
 138                 assert(get_canvas());
 139
 140                 if(is_absolute_path(newfilename))
 141                         filename_with_path=newfilename;
 142                 else
 143                         filename_with_path=get_canvas()->get_file_path()+ETL_DIRECTORY_SEPERATOR+newfilename;
 144
 145                 handle<Importer> newimporter;
 146
 147                 newimporter=Importer::open(absolute_path(filename_with_path));
 148
 149                 if(!newimporter)
 150                 {
 151                         newimporter=Importer::open(get_canvas()->get_file_path()+ETL_DIRECTORY_SEPERATOR+basename(newfilename));
 152                         if(!newimporter)
 153                         {
 154                                 synfig::error(strprintf("Unable to create an importer object with file \"%s\"",filename_with_path.c_str()));
 155                                 surface.clear();
 156                                 return false;
 157                         }
 158                 }
 159
 160                 surface.clear();
 161                 if(!newimporter->get_frame(surface,Time(0)))
 162                 {
 163                         synfig::warning(strprintf("Unable to get frame from \"%s\"",filename_with_path.c_str()));
 164                 }
 165
 166                 importer=newimporter;
 167                 filename=newfilename;
 168                 abs_filename=absolute_path(filename_with_path);
 169
 170                 return true;
 171         }
 172         } catch(...) { set_amount(0); return false; }
 173
 174         return Layer_Bitmap::set_param(param,value);
 175 }
 176
 177 ValueBase
 178 Import::get_param(const String & param)const
 179 {
 180         EXPORT(time_offset);
 181
 182         if(get_canvas())
 183         {
 184                 if(param=="filename")
 185                 {
 186                         string curpath(cleanup_path(absolute_path(get_canvas()->get_file_path())));
 187                         return relative_path(curpath,abs_filename);
 188                 }
 189         }
 190         else
 191                 EXPORT(filename);
 192
 193         EXPORT_NAME();
 194         EXPORT_VERSION();
 195
 196         return Layer_Bitmap::get_param(param);
 197 }
 198
 199 Layer::Vocab
 200 Import::get_param_vocab()const
 201 {
 202         Layer::Vocab ret(Layer_Bitmap::get_param_vocab());
 203
 204         ret.push_back(ParamDesc("filename")
 205                 .set_local_name(_("Filename"))
 206                 .set_description(_("File to import"))
 207                 .set_hint("filename")
 208         );
 209         ret.push_back(ParamDesc("time_offset")
 210                 .set_local_name(_("Time Offset"))
 211         );
 212
 213         return ret;
 214 }
 215
 216 void
 217 Import::set_time(Context context, Time time)const
 218 {
 219         if(get_amount() && importer && importer->is_animated())importer->get_frame(surface,time+time_offset);
 220         //else surface.clear();
 221         context.set_time(time);
 222 }
 223
 224 void
 225 Import::set_time(Context context, Time time, const Point &pos)const
 226 {
 227         if(get_amount() && importer && importer->is_animated())importer->get_frame(surface,time+time_offset);
 228         //else surface.clear();
 229         context.set_time(time,pos);
 230 }