Use an enumeration type rather than unnamed integers to specify the different types...
[synfig.git] / 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
223         CHECK_EXPIRE_TIME();
224
225         String prefix=basepath+"/..";
226         unsigned int i;
227 #ifdef _DEBUG
228         std::set_terminate(__gnu_cxx::__verbose_terminate_handler);
229 #endif
230
231 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
232         signal(SIGPIPE, broken_pipe_signal);
233 #endif
234
235         //_config_search_path=new vector"string.h"();
236
237         // Init the subsystems
238         if(cb)cb->amount_complete(0, 100);
239         if(cb)cb->task(_("Starting Subsystem \"Modules\""));
240         if(!Module::subsys_init(prefix))
241                 throw std::runtime_error(_("Unable to initialize subsystem \"Module\""));
242
243         if(cb)cb->task(_("Starting Subsystem \"Layers\""));
244         if(!Layer::subsys_init())
245         {
246                 Module::subsys_stop();
247                 throw std::runtime_error(_("Unable to initialize subsystem \"Layers\""));
248         }
249
250         if(cb)cb->task(_("Starting Subsystem \"Targets\""));
251         if(!Target::subsys_init())
252         {
253                 Layer::subsys_stop();
254                 Module::subsys_stop();
255                 throw std::runtime_error(_("Unable to initialize subsystem \"Targets\""));
256         }
257
258         if(cb)cb->task(_("Starting Subsystem \"Importers\""));
259         if(!Importer::subsys_init())
260         {
261                 Target::subsys_stop();
262                 Layer::subsys_stop();
263                 Module::subsys_stop();
264                 throw std::runtime_error(_("Unable to initialize subsystem \"Importers\""));
265         }
266
267         if(cb)cb->task(_("Starting Subsystem \"ValueNodes\""));
268         if(!ValueNode::subsys_init())
269         {
270                 Importer::subsys_stop();
271                 Target::subsys_stop();
272                 Layer::subsys_stop();
273                 Module::subsys_stop();
274                 throw std::runtime_error(_("Unable to initialize subsystem \"ValueNodes\""));
275         }
276
277         // Load up the list importer
278         Importer::book()[String("lst")]=ListImporter::create;
279
280
281
282         // Load up the modules
283         std::list<String> modules_to_load;
284         std::vector<String> locations;
285
286         if(!getenv("SYNFIG_MODULE_LIST"))
287         {
288                 locations.push_back("standard");
289                 locations.push_back("./"MODULE_LIST_FILENAME);  //1
290                 locations.push_back("../etc/"MODULE_LIST_FILENAME);     //1
291                 locations.push_back("~/.synfig/"MODULE_LIST_FILENAME); //2
292                 locations.push_back(prefix+"/etc/"+MODULE_LIST_FILENAME); //3
293                 locations.push_back("/usr/local/etc/"MODULE_LIST_FILENAME);
294         #ifdef SYSCONFDIR
295                 locations.push_back(SYSCONFDIR"/"MODULE_LIST_FILENAME);
296         #endif
297         #ifdef __APPLE__
298                 locations.push_back("/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME);
299                 locations.push_back("/Library/Synfig/"MODULE_LIST_FILENAME);
300                 locations.push_back("~/Library/Synfig/"MODULE_LIST_FILENAME);
301         #endif
302         #ifdef WIN32
303                 locations.push_back("C:\\Program Files\\Synfig\\etc\\"MODULE_LIST_FILENAME);
304         #endif
305         }
306         else
307         {
308                 locations.push_back(getenv("SYNFIG_MODULE_LIST"));
309         }
310 /*
311         const char *locations[]=
312         {
313                 "standard",     //0
314                 "./"MODULE_LIST_FILENAME,       //1
315                 "../etc/"MODULE_LIST_FILENAME,  //1
316                 "~/.synfig/"MODULE_LIST_FILENAME, //2
317                 "/usr/local/lib/synfig/modules/"MODULE_LIST_FILENAME, //3
318                 "/usr/local/etc/"MODULE_LIST_FILENAME,
319 #ifdef SYSCONFDIR
320                 SYSCONFDIR"/"MODULE_LIST_FILENAME,
321 #endif
322 #ifdef __APPLE__
323                 "/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME,
324                 "/Library/SYNFIG/"MODULE_LIST_FILENAME,
325                 "~/Library/SYNFIG/"MODULE_LIST_FILENAME,
326 #endif
327 #ifdef WIN32
328                 "C:\\Program Files\\SYNFIG\\etc\\"MODULE_LIST_FILENAME,
329 #endif
330         };
331 */
332
333         for(i=0;i<locations.size();i++)
334                 if(retrieve_modules_to_load(locations[i],modules_to_load))
335                         if(cb)cb->task(strprintf(_("Loading modules from %s"),locations[i].c_str()));
336
337         std::list<String>::iterator iter;
338
339         for(i=0,iter=modules_to_load.begin();iter!=modules_to_load.end();++iter,i++)
340         {
341                 Module::Register(*iter,cb);
342                 if(cb)cb->amount_complete((i+1)*100,modules_to_load.size()*100);
343         }
344
345 //      load_modules(cb);
346
347         CHECK_EXPIRE_TIME();
348
349
350         if(cb)cb->amount_complete(100, 100);
351         if(cb)cb->task(_("DONE"));
352 }
353
354 synfig::Main::~Main()
355 {
356         ref_count_.detach();
357         if(!synfig_ref_count_.unique())
358                 return;
359         synfig_ref_count_.detach();
360
361         // Add deinitialization after this point
362
363         if(get_open_canvas_map().size())
364         {
365                 synfig::warning("Canvases still open!");
366                 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
367                 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
368                 {
369                         synfig::warning("%s: count()=%d",iter->first.c_str(), iter->second.count());
370                 }
371         }
372
373         synfig::info("ValueNode::subsys_stop()");
374         ValueNode::subsys_stop();
375         synfig::info("Importer::subsys_stop()");
376         Importer::subsys_stop();
377         synfig::info("Target::subsys_stop()");
378         Target::subsys_stop();
379         synfig::info("Layer::subsys_stop()");
380         Layer::subsys_stop();
381         /*! \fixme For some reason, uncommenting the next line will cause things to crash.
382                            This needs to be looked into at some point. */
383         // synfig::info("Module::subsys_stop()");
384         // Module::subsys_stop();
385         synfig::info("Exiting");
386         
387 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
388         signal(SIGPIPE, SIG_DFL);
389 #endif
390 }
391
392 void
393 synfig::error(const char *format,...)
394 {
395         va_list args;
396         va_start(args,format);
397         error(vstrprintf(format,args));
398 }
399
400 void
401 synfig::error(const String &str)
402 {
403         static Mutex mutex; Mutex::Lock lock(mutex);
404         cerr<<"synfig("<<getpid()<<"): "<<_("error")<<": "+str<<endl;
405 }
406
407 void
408 synfig::warning(const char *format,...)
409 {
410         va_list args;
411         va_start(args,format);
412         warning(vstrprintf(format,args));
413 }
414
415 void
416 synfig::warning(const String &str)
417 {
418         static Mutex mutex; Mutex::Lock lock(mutex);
419         cerr<<"synfig("<<getpid()<<"): "<<_("warning")<<": "+str<<endl;
420 }
421
422 void
423 synfig::info(const char *format,...)
424 {
425         va_list args;
426         va_start(args,format);
427         info(vstrprintf(format,args));
428 }
429
430 void
431 synfig::info(const String &str)
432 {
433         static Mutex mutex; Mutex::Lock lock(mutex);
434         cerr<<"synfig("<<getpid()<<"): "<<_("info")<<": "+str<<endl;
435 }