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 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 DEATH_TIME
  59 #include <time.h>
  60 #endif
  61
  62 #ifdef HAVE_SIGNAL_H
  63 #include <signal.h>
  64 #endif
  65
  66 #endif
  67
  68 using namespace std;
  69 using namespace etl;
  70 using namespace synfig;
  71
  72 /* === M A C R O S ========================================================= */
  73
  74 #define MODULE_LIST_FILENAME    "synfig_modules.cfg"
  75
  76 /* === S T A T I C S ======================================================= */
  77
  78 static etl::reference_counter synfig_ref_count_(0);
  79
  80 /* === P R O C E D U R E S ================================================= */
  81
  82 /* === M E T H O D S ======================================================= */
  83
  84
  85
  86
  87
  88
  89
  90
  91 const char *
  92 synfig::get_version()
  93 {
  94 #ifdef VERSION
  95         return VERSION;
  96 #else
  97         return "Unknown";
  98 #endif
  99 }
 100
 101 const char *
 102 synfig::get_build_date()
 103 {
 104         return __DATE__;
 105 }
 106
 107 const char *
 108 synfig::get_build_time()
 109 {
 110         return __TIME__;
 111 }
 112
 113 extern const char *get_build_time();
 114
 115 bool
 116 synfig::check_version_(int version,int vec_size, int color_size,int canvas_size,int layer_size)
 117 {
 118         bool ret=true;
 119
 120         CHECK_EXPIRE_TIME();
 121
 122         if(version!=SYNFIG_LIBRARY_VERSION)
 123         {
 124                 synfig::error(_("API Version mismatch (LIB:%d, PROG:%d)"),SYNFIG_LIBRARY_VERSION,version);
 125                 ret=false;
 126         }
 127         if(vec_size!=sizeof(Vector))
 128         {
 129                 synfig::error(_("Size of Vector mismatch (app:%d, lib:%d)"),vec_size,sizeof(Vector));
 130                 ret=false;
 131         }
 132         if(color_size!=sizeof(Color))
 133         {
 134                 synfig::error(_("Size of Color mismatch (app:%d, lib:%d)"),color_size,sizeof(Color));
 135                 ret=false;
 136         }
 137         if(canvas_size!=sizeof(Canvas))
 138         {
 139                 synfig::error(_("Size of Canvas mismatch (app:%d, lib:%d)"),canvas_size,sizeof(Canvas));
 140                 ret=false;
 141         }
 142         if(layer_size!=sizeof(Layer))
 143         {
 144                 synfig::error(_("Size of Layer mismatch (app:%d, lib:%d)"),layer_size,sizeof(Layer));
 145                 ret=false;
 146         }
 147
 148         return ret;
 149 }
 150
 151 static void broken_pipe_signal (int /*sig*/)  {
 152         synfig::warning("Broken Pipe...");
 153 }
 154
 155 bool retrieve_modules_to_load(String filename,std::list<String> &modules_to_load)
 156 {
 157         if(filename=="standard")
 158         {
 159                 return false;
 160 /*
 161                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_bmp")==modules_to_load.end())
 162                         modules_to_load.push_back("trgt_bmp");
 163                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_gif")==modules_to_load.end())
 164                         modules_to_load.push_back("trgt_gif");
 165                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_dv")==modules_to_load.end())
 166                         modules_to_load.push_back("trgt_dv");
 167                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_ffmpeg")==modules_to_load.end())
 168                         modules_to_load.push_back("mod_ffmpeg");
 169                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_imagemagick")==modules_to_load.end())
 170                         modules_to_load.push_back("mod_imagemagick");
 171                 if(find(modules_to_load.begin(),modules_to_load.end(),"lyr_std")==modules_to_load.end())
 172                         modules_to_load.push_back("lyr_std");
 173                 if(find(modules_to_load.begin(),modules_to_load.end(),"lyr_freetype")==modules_to_load.end())
 174                         modules_to_load.push_back("lyr_freetype");
 175 #ifdef HAVE_LIBPNG
 176                 if(find(modules_to_load.begin(),modules_to_load.end(),"trgt_png")==modules_to_load.end())
 177                         modules_to_load.push_back("trgt_png");
 178 #endif
 179 #ifdef HAVE_OPENEXR
 180                 if(find(modules_to_load.begin(),modules_to_load.end(),"mod_openexr")==modules_to_load.end())
 181                         modules_to_load.push_back("mod_openexr");
 182 #endif
 183 */
 184         }
 185         else
 186         {
 187                 std::ifstream file(filename.c_str());
 188                 if(!file)
 189                 {
 190                 //      warning("Cannot open "+filename);
 191                         return false;
 192                 }
 193                 while(file)
 194                 {
 195                         String modulename;
 196                         getline(file,modulename);
 197                         if(!modulename.empty() && find(modules_to_load.begin(),modules_to_load.end(),modulename)==modules_to_load.end())
 198                                 modules_to_load.push_back(modulename);
 199                 }
 200         }
 201
 202
 203
 204         return true;
 205 }
 206
 207
 208
 209
 210
 211 synfig::Main::Main(const synfig::String& basepath,ProgressCallback *cb):
 212         ref_count_(synfig_ref_count_)
 213 {
 214         if(ref_count_.count())
 215                 return;
 216
 217         synfig_ref_count_.reset();
 218         ref_count_=synfig_ref_count_;
 219
 220         // Add initialization after this point
 221
 222         bindtextdomain("synfig", LOCALEDIR);
 223
 224         CHECK_EXPIRE_TIME();
 225
 226         String prefix=basepath+"/..";
 227         unsigned int i;
 228 #ifdef _DEBUG
 229         std::set_terminate(__gnu_cxx::__verbose_terminate_handler);
 230 #endif
 231
 232 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 233         signal(SIGPIPE, broken_pipe_signal);
 234 #endif
 235
 236         //_config_search_path=new vector"string.h"();
 237
 238         // Init the subsystems
 239         if(cb)cb->amount_complete(0, 100);
 240         if(cb)cb->task(_("Starting Subsystem \"Modules\""));
 241         if(!Module::subsys_init(prefix))
 242                 throw std::runtime_error(_("Unable to initialize subsystem \"Module\""));
 243
 244         if(cb)cb->task(_("Starting Subsystem \"Layers\""));
 245         if(!Layer::subsys_init())
 246         {
 247                 Module::subsys_stop();
 248                 throw std::runtime_error(_("Unable to initialize subsystem \"Layers\""));
 249         }
 250
 251         if(cb)cb->task(_("Starting Subsystem \"Targets\""));
 252         if(!Target::subsys_init())
 253         {
 254                 Layer::subsys_stop();
 255                 Module::subsys_stop();
 256                 throw std::runtime_error(_("Unable to initialize subsystem \"Targets\""));
 257         }
 258
 259         if(cb)cb->task(_("Starting Subsystem \"Importers\""));
 260         if(!Importer::subsys_init())
 261         {
 262                 Target::subsys_stop();
 263                 Layer::subsys_stop();
 264                 Module::subsys_stop();
 265                 throw std::runtime_error(_("Unable to initialize subsystem \"Importers\""));
 266         }
 267
 268         if(cb)cb->task(_("Starting Subsystem \"ValueNodes\""));
 269         if(!ValueNode::subsys_init())
 270         {
 271                 Importer::subsys_stop();
 272                 Target::subsys_stop();
 273                 Layer::subsys_stop();
 274                 Module::subsys_stop();
 275                 throw std::runtime_error(_("Unable to initialize subsystem \"ValueNodes\""));
 276         }
 277
 278         // Load up the list importer
 279         Importer::book()[String("lst")]=ListImporter::create;
 280
 281
 282
 283         // Load up the modules
 284         std::list<String> modules_to_load;
 285         std::vector<String> locations;
 286
 287         if(!getenv("SYNFIG_MODULE_LIST"))
 288         {
 289                 locations.push_back("standard");
 290                 locations.push_back("./"MODULE_LIST_FILENAME);  //1
 291                 locations.push_back("../etc/"MODULE_LIST_FILENAME);     //1
 292                 locations.push_back("~/.synfig/"MODULE_LIST_FILENAME); //2
 293                 locations.push_back(prefix+"/etc/"+MODULE_LIST_FILENAME); //3
 294                 locations.push_back("/usr/local/etc/"MODULE_LIST_FILENAME);
 295         #ifdef SYSCONFDIR
 296                 locations.push_back(SYSCONFDIR"/"MODULE_LIST_FILENAME);
 297         #endif
 298         #ifdef __APPLE__
 299                 locations.push_back("/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME);
 300                 locations.push_back("/Library/Synfig/"MODULE_LIST_FILENAME);
 301                 locations.push_back("~/Library/Synfig/"MODULE_LIST_FILENAME);
 302         #endif
 303         #ifdef WIN32
 304                 locations.push_back("C:\\Program Files\\Synfig\\etc\\"MODULE_LIST_FILENAME);
 305         #endif
 306         }
 307         else
 308         {
 309                 locations.push_back(getenv("SYNFIG_MODULE_LIST"));
 310         }
 311 /*
 312         const char *locations[]=
 313         {
 314                 "standard",     //0
 315                 "./"MODULE_LIST_FILENAME,       //1
 316                 "../etc/"MODULE_LIST_FILENAME,  //1
 317                 "~/.synfig/"MODULE_LIST_FILENAME, //2
 318                 "/usr/local/lib/synfig/modules/"MODULE_LIST_FILENAME, //3
 319                 "/usr/local/etc/"MODULE_LIST_FILENAME,
 320 #ifdef SYSCONFDIR
 321                 SYSCONFDIR"/"MODULE_LIST_FILENAME,
 322 #endif
 323 #ifdef __APPLE__
 324                 "/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME,
 325                 "/Library/SYNFIG/"MODULE_LIST_FILENAME,
 326                 "~/Library/SYNFIG/"MODULE_LIST_FILENAME,
 327 #endif
 328 #ifdef WIN32
 329                 "C:\\Program Files\\SYNFIG\\etc\\"MODULE_LIST_FILENAME,
 330 #endif
 331         };
 332 */
 333
 334         for(i=0;i<locations.size();i++)
 335                 if(retrieve_modules_to_load(locations[i],modules_to_load))
 336                         if(cb)cb->task(strprintf(_("Loading modules from %s"),locations[i].c_str()));
 337
 338         std::list<String>::iterator iter;
 339
 340         for(i=0,iter=modules_to_load.begin();iter!=modules_to_load.end();++iter,i++)
 341         {
 342                 Module::Register(*iter,cb);
 343                 if(cb)cb->amount_complete((i+1)*100,modules_to_load.size()*100);
 344         }
 345
 346 //      load_modules(cb);
 347
 348         CHECK_EXPIRE_TIME();
 349
 350
 351         if(cb)cb->amount_complete(100, 100);
 352         if(cb)cb->task(_("DONE"));
 353 }
 354
 355 synfig::Main::~Main()
 356 {
 357         ref_count_.detach();
 358         if(!synfig_ref_count_.unique())
 359                 return;
 360         synfig_ref_count_.detach();
 361
 362         // Add deinitialization after this point
 363
 364         if(get_open_canvas_map().size())
 365         {
 366                 synfig::warning("Canvases still open!");
 367                 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
 368                 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
 369                 {
 370                         synfig::warning("%s: count()=%d",iter->first.c_str(), iter->second.count());
 371                 }
 372         }
 373
 374         synfig::info("ValueNode::subsys_stop()");
 375         ValueNode::subsys_stop();
 376         synfig::info("Importer::subsys_stop()");
 377         Importer::subsys_stop();
 378         synfig::info("Target::subsys_stop()");
 379         Target::subsys_stop();
 380         synfig::info("Layer::subsys_stop()");
 381         Layer::subsys_stop();
 382         /*! \fixme For some reason, uncommenting the next line will cause things to crash.
 383                            This needs to be looked into at some point. */
 384         // synfig::info("Module::subsys_stop()");
 385         // Module::subsys_stop();
 386         synfig::info("Exiting");
 387
 388 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 389         signal(SIGPIPE, SIG_DFL);
 390 #endif
 391 }
 392
 393 static const String
 394 current_time()
 395 {
 396         const int buflen = 50;
 397         time_t t;
 398         struct tm *lt;
 399         char b[buflen];
 400         time(&t);
 401         lt = localtime(&t);
 402         strftime(b, buflen, " [%X] ", lt);
 403         return String(b);
 404 }
 405
 406 void
 407 synfig::error(const char *format,...)
 408 {
 409         va_list args;
 410         va_start(args,format);
 411         error(vstrprintf(format,args));
 412 }
 413
 414 void
 415 synfig::error(const String &str)
 416 {
 417         static Mutex mutex; Mutex::Lock lock(mutex);
 418         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("error")<<": "+str<<endl;
 419 }
 420
 421 void
 422 synfig::warning(const char *format,...)
 423 {
 424         va_list args;
 425         va_start(args,format);
 426         warning(vstrprintf(format,args));
 427 }
 428
 429 void
 430 synfig::warning(const String &str)
 431 {
 432         static Mutex mutex; Mutex::Lock lock(mutex);
 433         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("warning")<<": "+str<<endl;
 434 }
 435
 436 void
 437 synfig::info(const char *format,...)
 438 {
 439         va_list args;
 440         va_start(args,format);
 441         info(vstrprintf(format,args));
 442 }
 443
 444 void
 445 synfig::info(const String &str)
 446 {
 447         static Mutex mutex; Mutex::Lock lock(mutex);
 448         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("info")<<": "+str<<endl;
 449 }