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