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 **      Copyright (c) 2007, 2008 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 //#define SYNFIG_NO_ANGLE
  27
  28 #ifdef USING_PCH
  29 #       include "pch.h"
  30 #else
  31 #ifdef HAVE_CONFIG_H
  32 #       include <config.h>
  33 #endif
  34
  35 #include <iostream>
  36 #include "version.h"
  37 #include "general.h"
  38 #include "module.h"
  39 #include <cstdlib>
  40 #include <ltdl.h>
  41 #include <stdexcept>
  42 #include "target.h"
  43 #include <ETL/stringf>
  44 #include "listimporter.h"
  45 #include "color.h"
  46 #include "vector.h"
  47 #include <fstream>
  48 #include "layer.h"
  49 #include "valuenode.h"
  50
  51 #include "main.h"
  52 #include "loadcanvas.h"
  53
  54 #include "guid.h"
  55
  56 #include "mutex.h"
  57
  58 #ifdef HAVE_SIGNAL_H
  59 #include <signal.h>
  60 #endif
  61
  62 #endif
  63
  64 using namespace std;
  65 using namespace etl;
  66 using namespace synfig;
  67
  68 /* === M A C R O S ========================================================= */
  69
  70 #define MODULE_LIST_FILENAME    "synfig_modules.cfg"
  71
  72 /* === S T A T I C S ======================================================= */
  73
  74 static etl::reference_counter synfig_ref_count_(0);
  75
  76 /* === P R O C E D U R E S ================================================= */
  77
  78 /* === M E T H O D S ======================================================= */
  79
  80 const char *
  81 synfig::get_version()
  82 {
  83 #ifdef VERSION
  84         return VERSION;
  85 #else
  86         return "Unknown";
  87 #endif
  88 }
  89
  90 const char *
  91 synfig::get_build_date()
  92 {
  93         return __DATE__;
  94 }
  95
  96 const char *
  97 synfig::get_build_time()
  98 {
  99         return __TIME__;
 100 }
 101
 102 extern const char *get_build_time();
 103
 104 bool
 105 synfig::check_version_(int version,int vec_size, int color_size,int canvas_size,int layer_size)
 106 {
 107         bool ret=true;
 108
 109         if(version!=SYNFIG_LIBRARY_VERSION)
 110         {
 111                 synfig::error(_("API Version mismatch (LIB:%d, PROG:%d)"),SYNFIG_LIBRARY_VERSION,version);
 112                 ret=false;
 113         }
 114         if(vec_size!=sizeof(Vector))
 115         {
 116                 synfig::error(_("Size of Vector mismatch (app:%d, lib:%d)"),vec_size,sizeof(Vector));
 117                 ret=false;
 118         }
 119         if(color_size!=sizeof(Color))
 120         {
 121                 synfig::error(_("Size of Color mismatch (app:%d, lib:%d)"),color_size,sizeof(Color));
 122                 ret=false;
 123         }
 124         if(canvas_size!=sizeof(Canvas))
 125         {
 126                 synfig::error(_("Size of Canvas mismatch (app:%d, lib:%d)"),canvas_size,sizeof(Canvas));
 127                 ret=false;
 128         }
 129         if(layer_size!=sizeof(Layer))
 130         {
 131                 synfig::error(_("Size of Layer mismatch (app:%d, lib:%d)"),layer_size,sizeof(Layer));
 132                 ret=false;
 133         }
 134
 135         return ret;
 136 }
 137
 138 static void broken_pipe_signal (int /*sig*/)  {
 139         synfig::warning("Broken Pipe...");
 140 }
 141
 142 bool retrieve_modules_to_load(String filename,std::list<String> &modules_to_load)
 143 {
 144         if(filename=="standard")
 145         {
 146                 return false;
 147 /*
 148                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_bmp")==modules_to_load.end())
 149                         modules_to_load.push_back("trgt_bmp");
 150                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_gif")==modules_to_load.end())
 151                         modules_to_load.push_back("trgt_gif");
 152                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_dv")==modules_to_load.end())
 153                         modules_to_load.push_back("trgt_dv");
 154                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_ffmpeg")==modules_to_load.end())
 155                         modules_to_load.push_back("mod_ffmpeg");
 156                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_imagemagick")==modules_to_load.end())
 157                         modules_to_load.push_back("mod_imagemagick");
 158                 if(find(modules_to_load.begin(),modules_to_load.end(),"lyr_std")==modules_to_load.end())
 159                         modules_to_load.push_back("lyr_std");
 160                 if(find(modules_to_load.begin(),modules_to_load.end(),"lyr_freetype")==modules_to_load.end())
 161                         modules_to_load.push_back("lyr_freetype");
 162 #ifdef HAVE_LIBPNG
 163                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_png")==modules_to_load.end())
 164                         modules_to_load.push_back("trgt_png");
 165 #endif
 166 #ifdef HAVE_OPENEXR
 167                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_openexr")==modules_to_load.end())
 168                         modules_to_load.push_back("mod_openexr");
 169 #endif
 170 */
 171         }
 172         else
 173         {
 174                 std::ifstream file(filename.c_str());
 175                 if(!file)
 176                 {
 177                 //      warning("Cannot open "+filename);
 178                         return false;
 179                 }
 180                 while(file)
 181                 {
 182                         String modulename;
 183                         getline(file,modulename);
 184                         if(!modulename.empty() && find(modules_to_load.begin(),modules_to_load.end(),modulename)==modules_to_load.end())
 185                                 modules_to_load.push_back(modulename);
 186                 }
 187         }
 188
 189         return true;
 190 }
 191
 192 synfig::Main::Main(const synfig::String& basepath,ProgressCallback *cb):
 193         ref_count_(synfig_ref_count_)
 194 {
 195         if(ref_count_.count())
 196                 return;
 197
 198         synfig_ref_count_.reset();
 199         ref_count_=synfig_ref_count_;
 200
 201         // Add initialization after this point
 202
 203 #ifdef ENABLE_NLS
 204         bindtextdomain("synfig", LOCALEDIR);
 205 #endif
 206
 207         String prefix=basepath+"/..";
 208         unsigned int i;
 209 #ifdef _DEBUG
 210         std::set_terminate(__gnu_cxx::__verbose_terminate_handler);
 211 #endif
 212
 213 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 214         signal(SIGPIPE, broken_pipe_signal);
 215 #endif
 216
 217         //_config_search_path=new vector"string.h"();
 218
 219         // Init the subsystems
 220         if(cb)cb->amount_complete(0, 100);
 221         if(cb)cb->task(_("Starting Subsystem \"Modules\""));
 222         if(!Module::subsys_init(prefix))
 223                 throw std::runtime_error(_("Unable to initialize subsystem \"Module\""));
 224
 225         if(cb)cb->task(_("Starting Subsystem \"Layers\""));
 226         if(!Layer::subsys_init())
 227         {
 228                 Module::subsys_stop();
 229                 throw std::runtime_error(_("Unable to initialize subsystem \"Layers\""));
 230         }
 231
 232         if(cb)cb->task(_("Starting Subsystem \"Targets\""));
 233         if(!Target::subsys_init())
 234         {
 235                 Layer::subsys_stop();
 236                 Module::subsys_stop();
 237                 throw std::runtime_error(_("Unable to initialize subsystem \"Targets\""));
 238         }
 239
 240         if(cb)cb->task(_("Starting Subsystem \"Importers\""));
 241         if(!Importer::subsys_init())
 242         {
 243                 Target::subsys_stop();
 244                 Layer::subsys_stop();
 245                 Module::subsys_stop();
 246                 throw std::runtime_error(_("Unable to initialize subsystem \"Importers\""));
 247         }
 248
 249         if(cb)cb->task(_("Starting Subsystem \"ValueNodes\""));
 250         if(!ValueNode::subsys_init())
 251         {
 252                 Importer::subsys_stop();
 253                 Target::subsys_stop();
 254                 Layer::subsys_stop();
 255                 Module::subsys_stop();
 256                 throw std::runtime_error(_("Unable to initialize subsystem \"ValueNodes\""));
 257         }
 258
 259         // Load up the list importer
 260         Importer::book()[String("lst")]=ListImporter::create;
 261
 262         // Load up the modules
 263         std::list<String> modules_to_load;
 264         std::vector<String> locations;
 265
 266         if(!getenv("SYNFIG_MODULE_LIST"))
 267         {
 268                 locations.push_back("standard");
 269                 locations.push_back("./"MODULE_LIST_FILENAME);  //1
 270                 locations.push_back("../etc/"MODULE_LIST_FILENAME);     //1
 271                 locations.push_back("~/.synfig/"MODULE_LIST_FILENAME); //2
 272                 locations.push_back(prefix+"/etc/"+MODULE_LIST_FILENAME); //3
 273                 locations.push_back("/usr/local/etc/"MODULE_LIST_FILENAME);
 274         #ifdef SYSCONFDIR
 275                 locations.push_back(SYSCONFDIR"/"MODULE_LIST_FILENAME);
 276         #endif
 277         #ifdef __APPLE__
 278                 locations.push_back("/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME);
 279                 locations.push_back("/Library/Synfig/"MODULE_LIST_FILENAME);
 280                 locations.push_back("~/Library/Synfig/"MODULE_LIST_FILENAME);
 281         #endif
 282         #ifdef WIN32
 283                 locations.push_back("C:\\Program Files\\Synfig\\etc\\"MODULE_LIST_FILENAME);
 284         #endif
 285         }
 286         else
 287         {
 288                 locations.push_back(getenv("SYNFIG_MODULE_LIST"));
 289         }
 290 /*
 291         const char *locations[]=
 292         {
 293                 "standard",     //0
 294                 "./"MODULE_LIST_FILENAME,       //1
 295                 "../etc/"MODULE_LIST_FILENAME,  //1
 296                 "~/.synfig/"MODULE_LIST_FILENAME, //2
 297                 "/usr/local/lib/synfig/modules/"MODULE_LIST_FILENAME, //3
 298                 "/usr/local/etc/"MODULE_LIST_FILENAME,
 299 #ifdef SYSCONFDIR
 300                 SYSCONFDIR"/"MODULE_LIST_FILENAME,
 301 #endif
 302 #ifdef __APPLE__
 303                 "/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME,
 304                 "/Library/SYNFIG/"MODULE_LIST_FILENAME,
 305                 "~/Library/SYNFIG/"MODULE_LIST_FILENAME,
 306 #endif
 307 #ifdef WIN32
 308                 "C:\\Program Files\\SYNFIG\\etc\\"MODULE_LIST_FILENAME,
 309 #endif
 310         };
 311 */
 312
 313         for(i=0;i<locations.size();i++)
 314                 if(retrieve_modules_to_load(locations[i],modules_to_load))
 315                         if(cb)cb->task(strprintf(_("Loading modules from %s"),locations[i].c_str()));
 316
 317         std::list<String>::iterator iter;
 318
 319         for(i=0,iter=modules_to_load.begin();iter!=modules_to_load.end();++iter,i++)
 320         {
 321                 Module::Register(*iter,cb);
 322                 if(cb)cb->amount_complete((i+1)*100,modules_to_load.size()*100);
 323         }
 324
 325 //      load_modules(cb);
 326
 327         if(cb)cb->amount_complete(100, 100);
 328         if(cb)cb->task(_("DONE"));
 329 }
 330
 331 synfig::Main::~Main()
 332 {
 333         ref_count_.detach();
 334         if(!synfig_ref_count_.unique())
 335                 return;
 336         synfig_ref_count_.detach();
 337
 338         // Add deinitialization after this point
 339
 340         if(get_open_canvas_map().size())
 341         {
 342                 synfig::warning("Canvases still open!");
 343                 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
 344                 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
 345                 {
 346                         synfig::warning("%s: count()=%d",iter->first.c_str(), iter->second.count());
 347                 }
 348         }
 349
 350         // synfig::info("ValueNode::subsys_stop()");
 351         ValueNode::subsys_stop();
 352         // synfig::info("Importer::subsys_stop()");
 353         Importer::subsys_stop();
 354         // synfig::info("Target::subsys_stop()");
 355         Target::subsys_stop();
 356         // synfig::info("Layer::subsys_stop()");
 357         Layer::subsys_stop();
 358         /*! \todo For some reason, uncommenting the next line will cause things to crash.
 359                           This needs to be looked into at some point. */
 360         // synfig::info("Module::subsys_stop()");
 361         // Module::subsys_stop();
 362         // synfig::info("Exiting");
 363
 364 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 365         signal(SIGPIPE, SIG_DFL);
 366 #endif
 367 }
 368
 369 static const String
 370 current_time()
 371 {
 372         const int buflen = 50;
 373         time_t t;
 374         struct tm *lt;
 375         char b[buflen];
 376         time(&t);
 377         lt = localtime(&t);
 378         strftime(b, buflen, " [%X] ", lt);
 379         return String(b);
 380 }
 381
 382 void
 383 synfig::error(const char *format,...)
 384 {
 385         va_list args;
 386         va_start(args,format);
 387         error(vstrprintf(format,args));
 388 }
 389
 390 void
 391 synfig::error(const String &str)
 392 {
 393         static Mutex mutex; Mutex::Lock lock(mutex);
 394         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("error")<<": "+str<<endl;
 395 }
 396
 397 void
 398 synfig::warning(const char *format,...)
 399 {
 400         va_list args;
 401         va_start(args,format);
 402         warning(vstrprintf(format,args));
 403 }
 404
 405 void
 406 synfig::warning(const String &str)
 407 {
 408         static Mutex mutex; Mutex::Lock lock(mutex);
 409         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("warning")<<": "+str<<endl;
 410 }
 411
 412 void
 413 synfig::info(const char *format,...)
 414 {
 415         va_list args;
 416         va_start(args,format);
 417         info(vstrprintf(format,args));
 418 }
 419
 420 void
 421 synfig::info(const String &str)
 422 {
 423         static Mutex mutex; Mutex::Lock lock(mutex);
 424         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("info")<<": "+str<<endl;
 425 }