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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file synfig/main.cpp
   3 **      \brief \writeme
   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 //#define SYNFIG_NO_ANGLE
  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 <iostream>
  35 #include "version.h"
  36 #include "general.h"
  37 #include "module.h"
  38 #include <cstdlib>
  39 #include <ltdl.h>
  40 #include <stdexcept>
  41 #include "target.h"
  42 #include <ETL/stringf>
  43 #include "listimporter.h"
  44 #include "color.h"
  45 #include "vector.h"
  46 #include <fstream>
  47 #include "layer.h"
  48 #include "valuenode.h"
  49
  50 #include "main.h"
  51 #include "loadcanvas.h"
  52
  53 #include "guid.h"
  54
  55 #include "mutex.h"
  56
  57 #ifdef DEATH_TIME
  58 #include <time.h>
  59 #endif
  60
  61 #ifdef HAVE_SIGNAL_H
  62 #include <signal.h>
  63 #endif
  64
  65 #endif
  66
  67 using namespace std;
  68 using namespace etl;
  69 using namespace synfig;
  70
  71 /* === M A C R O S ========================================================= */
  72
  73 #define MODULE_LIST_FILENAME    "synfig_modules.cfg"
  74
  75 /* === S T A T I C S ======================================================= */
  76
  77 static etl::reference_counter synfig_ref_count_(0);
  78
  79 /* === P R O C E D U R E S ================================================= */
  80
  81 /* === M E T H O D S ======================================================= */
  82
  83
  84
  85
  86
  87
  88
  89
  90 const char *
  91 synfig::get_version()
  92 {
  93 #ifdef VERSION
  94         return VERSION;
  95 #else
  96         return "Unknown";
  97 #endif
  98 }
  99
 100 const char *
 101 synfig::get_build_date()
 102 {
 103         return __DATE__;
 104 }
 105
 106 const char *
 107 synfig::get_build_time()
 108 {
 109         return __TIME__;
 110 }
 111
 112 extern const char *get_build_time();
 113
 114 bool
 115 synfig::check_version_(int version,int vec_size, int color_size,int canvas_size,int layer_size)
 116 {
 117         bool ret=true;
 118
 119         CHECK_EXPIRE_TIME();
 120
 121         if(version!=SYNFIG_LIBRARY_VERSION)
 122         {
 123                 synfig::error(_("API Version mismatch (LIB:%d, PROG:%d)"),SYNFIG_LIBRARY_VERSION,version);
 124                 ret=false;
 125         }
 126         if(vec_size!=sizeof(Vector))
 127         {
 128                 synfig::error(_("Size of Vector mismatch (app:%d, lib:%d)"),vec_size,sizeof(Vector));
 129                 ret=false;
 130         }
 131         if(color_size!=sizeof(Color))
 132         {
 133                 synfig::error(_("Size of Color mismatch (app:%d, lib:%d)"),color_size,sizeof(Color));
 134                 ret=false;
 135         }
 136         if(canvas_size!=sizeof(Canvas))
 137         {
 138                 synfig::error(_("Size of Canvas mismatch (app:%d, lib:%d)"),canvas_size,sizeof(Canvas));
 139                 ret=false;
 140         }
 141         if(layer_size!=sizeof(Layer))
 142         {
 143                 synfig::error(_("Size of Layer mismatch (app:%d, lib:%d)"),layer_size,sizeof(Layer));
 144                 ret=false;
 145         }
 146
 147         return ret;
 148 }
 149
 150 static void broken_pipe_signal (int /*sig*/)  {
 151         synfig::warning("Broken Pipe...");
 152 }
 153
 154 bool retrieve_modules_to_load(String filename,std::list<String> &modules_to_load)
 155 {
 156         if(filename=="standard")
 157         {
 158                 return false;
 159 /*
 160                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_bmp")==modules_to_load.end())
 161                         modules_to_load.push_back("trgt_bmp");
 162                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_gif")==modules_to_load.end())
 163                         modules_to_load.push_back("trgt_gif");
 164                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_dv")==modules_to_load.end())
 165                         modules_to_load.push_back("trgt_dv");
 166                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_ffmpeg")==modules_to_load.end())
 167                         modules_to_load.push_back("mod_ffmpeg");
 168                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_imagemagick")==modules_to_load.end())
 169                         modules_to_load.push_back("mod_imagemagick");
 170                 if(find(modules_to_load.begin(),modules_to_load.end(),"lyr_std")==modules_to_load.end())
 171                         modules_to_load.push_back("lyr_std");
 172                 if(find(modules_to_load.begin(),modules_to_load.end(),"lyr_freetype")==modules_to_load.end())
 173                         modules_to_load.push_back("lyr_freetype");
 174 #ifdef HAVE_LIBPNG
 175                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_png")==modules_to_load.end())
 176                         modules_to_load.push_back("trgt_png");
 177 #endif
 178 #ifdef HAVE_OPENEXR
 179                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_openexr")==modules_to_load.end())
 180                         modules_to_load.push_back("mod_openexr");
 181 #endif
 182 */
 183         }
 184         else
 185         {
 186                 std::ifstream file(filename.c_str());
 187                 if(!file)
 188                 {
 189                 //      warning("Cannot open "+filename);
 190                         return false;
 191                 }
 192                 while(file)
 193                 {
 194                         String modulename;
 195                         getline(file,modulename);
 196                         if(!modulename.empty() && find(modules_to_load.begin(),modules_to_load.end(),modulename)==modules_to_load.end())
 197                                 modules_to_load.push_back(modulename);
 198                 }
 199         }
 200
 201
 202
 203         return true;
 204 }
 205
 206
 207
 208
 209
 210 synfig::Main::Main(const synfig::String& basepath,ProgressCallback *cb):
 211         ref_count_(synfig_ref_count_)
 212 {
 213         if(ref_count_.count())
 214                 return;
 215
 216         synfig_ref_count_.reset();
 217         ref_count_=synfig_ref_count_;
 218
 219         // Add initialization after this point
 220
 221
 222         CHECK_EXPIRE_TIME();
 223
 224         String prefix=basepath+"/..";
 225         unsigned int i;
 226 #ifdef _DEBUG
 227         std::set_terminate(__gnu_cxx::__verbose_terminate_handler);
 228 #endif
 229
 230 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 231         signal(SIGPIPE, broken_pipe_signal);
 232 #endif
 233
 234         //_config_search_path=new vector"string.h"();
 235
 236         // Init the subsystems
 237         if(cb)cb->amount_complete(0, 100);
 238         if(cb)cb->task(_("Starting Subsystem \"Modules\""));
 239         if(!Module::subsys_init(prefix))
 240                 throw std::runtime_error(_("Unable to initialize subsystem \"Module\""));
 241
 242         if(cb)cb->task(_("Starting Subsystem \"Layers\""));
 243         if(!Layer::subsys_init())
 244         {
 245                 Module::subsys_stop();
 246                 throw std::runtime_error(_("Unable to initialize subsystem \"Layers\""));
 247         }
 248
 249         if(cb)cb->task(_("Starting Subsystem \"Targets\""));
 250         if(!Target::subsys_init())
 251         {
 252                 Layer::subsys_stop();
 253                 Module::subsys_stop();
 254                 throw std::runtime_error(_("Unable to initialize subsystem \"Targets\""));
 255         }
 256
 257         if(cb)cb->task(_("Starting Subsystem \"Importers\""));
 258         if(!Importer::subsys_init())
 259         {
 260                 Target::subsys_stop();
 261                 Layer::subsys_stop();
 262                 Module::subsys_stop();
 263                 throw std::runtime_error(_("Unable to initialize subsystem \"Importers\""));
 264         }
 265
 266         if(cb)cb->task(_("Starting Subsystem \"ValueNodes\""));
 267         if(!ValueNode::subsys_init())
 268         {
 269                 Importer::subsys_stop();
 270                 Target::subsys_stop();
 271                 Layer::subsys_stop();
 272                 Module::subsys_stop();
 273                 throw std::runtime_error(_("Unable to initialize subsystem \"ValueNodes\""));
 274         }
 275
 276         // Load up the list importer
 277         Importer::book()[String("lst")]=ListImporter::create;
 278
 279
 280
 281         // Load up the modules
 282         std::list<String> modules_to_load;
 283         std::vector<String> locations;
 284
 285         if(!getenv("SYNFIG_MODULE_LIST"))
 286         {
 287                 locations.push_back("standard");
 288                 locations.push_back("./"MODULE_LIST_FILENAME);  //1
 289                 locations.push_back("../etc/"MODULE_LIST_FILENAME);     //1
 290                 locations.push_back("~/.synfig/"MODULE_LIST_FILENAME); //2
 291                 locations.push_back(prefix+"/etc/"+MODULE_LIST_FILENAME); //3
 292                 locations.push_back("/usr/local/etc/"MODULE_LIST_FILENAME);
 293         #ifdef SYSCONFDIR
 294                 locations.push_back(SYSCONFDIR"/"MODULE_LIST_FILENAME);
 295         #endif
 296         #ifdef __APPLE__
 297                 locations.push_back("/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME);
 298                 locations.push_back("/Library/Synfig/"MODULE_LIST_FILENAME);
 299                 locations.push_back("~/Library/Synfig/"MODULE_LIST_FILENAME);
 300         #endif
 301         #ifdef WIN32
 302                 locations.push_back("C:\\Program Files\\Synfig\\etc\\"MODULE_LIST_FILENAME);
 303         #endif
 304         }
 305         else
 306         {
 307                 locations.push_back(getenv("SYNFIG_MODULE_LIST"));
 308         }
 309 /*
 310         const char *locations[]=
 311         {
 312                 "standard",     //0
 313                 "./"MODULE_LIST_FILENAME,       //1
 314                 "../etc/"MODULE_LIST_FILENAME,  //1
 315                 "~/.synfig/"MODULE_LIST_FILENAME, //2
 316                 "/usr/local/lib/synfig/modules/"MODULE_LIST_FILENAME, //3
 317                 "/usr/local/etc/"MODULE_LIST_FILENAME,
 318 #ifdef SYSCONFDIR
 319                 SYSCONFDIR"/"MODULE_LIST_FILENAME,
 320 #endif
 321 #ifdef __APPLE__
 322                 "/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME,
 323                 "/Library/SYNFIG/"MODULE_LIST_FILENAME,
 324                 "~/Library/SYNFIG/"MODULE_LIST_FILENAME,
 325 #endif
 326 #ifdef WIN32
 327                 "C:\\Program Files\\SYNFIG\\etc\\"MODULE_LIST_FILENAME,
 328 #endif
 329         };
 330 */
 331
 332         for(i=0;i<locations.size();i++)
 333                 if(retrieve_modules_to_load(locations[i],modules_to_load))
 334                         if(cb)cb->task(strprintf(_("Loading modules from %s"),locations[i].c_str()));
 335
 336         std::list<String>::iterator iter;
 337
 338         for(i=0,iter=modules_to_load.begin();iter!=modules_to_load.end();++iter,i++)
 339         {
 340                 Module::Register(*iter,cb);
 341                 if(cb)cb->amount_complete((i+1)*100,modules_to_load.size()*100);
 342         }
 343
 344 //      load_modules(cb);
 345
 346         CHECK_EXPIRE_TIME();
 347
 348
 349         if(cb)cb->amount_complete(100, 100);
 350         if(cb)cb->task(_("DONE"));
 351 }
 352
 353 synfig::Main::~Main()
 354 {
 355         ref_count_.detach();
 356         if(!synfig_ref_count_.unique())
 357                 return;
 358         synfig_ref_count_.detach();
 359
 360         // Add deinitialization after this point
 361
 362         if(get_open_canvas_map().size())
 363         {
 364                 synfig::warning("Canvases still open!");
 365                 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
 366                 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
 367                 {
 368                         synfig::warning("%s: count()=%d",iter->first.c_str(), iter->second.count());
 369                 }
 370         }
 371
 372         ValueNode::subsys_stop();
 373         Importer::subsys_stop();
 374         Target::subsys_stop();
 375         Layer::subsys_stop();
 376
 377         /*! \fixme For some reason, uncommenting the next
 378         **      line will cause things to crash. This needs to be
 379         **      looked into at some point. */
 380         //Module::subsys_stop();
 381
 382 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 383         signal(SIGPIPE, SIG_DFL);
 384 #endif
 385 }
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395 void
 396 synfig::error(const char *format,...)
 397 {
 398         va_list args;
 399         va_start(args,format);
 400         error(vstrprintf(format,args));
 401 }
 402
 403 void
 404 synfig::error(const String &str)
 405 {
 406         static Mutex mutex; Mutex::Lock lock(mutex);
 407         cerr<<"synfig("<<getpid()<<"): "<<_("error")<<": "+str<<endl;
 408 }
 409
 410 void
 411 synfig::warning(const char *format,...)
 412 {
 413         va_list args;
 414         va_start(args,format);
 415         warning(vstrprintf(format,args));
 416 }
 417
 418 void
 419 synfig::warning(const String &str)
 420 {
 421         static Mutex mutex; Mutex::Lock lock(mutex);
 422         cerr<<"synfig("<<getpid()<<"): "<<_("warning")<<": "+str<<endl;
 423 }
 424
 425 void
 426 synfig::info(const char *format,...)
 427 {
 428         va_list args;
 429         va_start(args,format);
 430         info(vstrprintf(format,args));
 431 }
 432
 433 void
 434 synfig::info(const String &str)
 435 {
 436         static Mutex mutex; Mutex::Lock lock(mutex);
 437         cerr<<"synfig("<<getpid()<<"): "<<_("info")<<": "+str<<endl;
 438 }