1 /* === S Y N F I G ========================================================= */
2 /*! \file loadcanvas.cpp
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007, 2008 Chris Moore
10 ** Copyright (c) 2009 Carlos A. Sosa Navarro
12 ** This package is free software; you can redistribute it and/or
13 ** modify it under the terms of the GNU General Public License as
14 ** published by the Free Software Foundation; either version 2 of
15 ** the License, or (at your option) any later version.
17 ** This package is distributed in the hope that it will be useful,
18 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 ** General Public License for more details.
23 /* ========================================================================= */
25 /* === H E A D E R S ======================================================= */
37 #include <ETL/stringf>
38 #include <libxml++/libxml++.h>
43 #include "layer_pastecanvas.h"
44 #include "loadcanvas.h"
45 #include "valuenode.h"
46 #include "valuenode_subtract.h"
47 #include "valuenode_animated.h"
48 #include "valuenode_composite.h"
49 #include "valuenode_const.h"
50 #include "valuenode_linear.h"
51 #include "valuenode_dynamiclist.h"
52 #include "valuenode_reference.h"
53 #include "valuenode_scale.h"
54 #include "valuenode_timedswap.h"
55 #include "valuenode_twotone.h"
56 #include "valuenode_stripes.h"
57 #include "valuenode_segcalctangent.h"
58 #include "valuenode_segcalcvertex.h"
59 #include "valuenode_bline.h"
64 #include "exception.h"
69 #include <sigc++/bind.h>
73 /* === U S I N G =========================================================== */
76 using namespace synfig;
83 test_class() { assert(!bleh); bleh++; synfig::info("test_class: initi: %d",bleh); }
84 ~test_class() { assert(bleh); synfig::info("test_class: uninit: %d",bleh); bleh--; }
86 int test_class::bleh(0);
88 test_class test_class_instance;
91 /* === M A C R O S ========================================================= */
93 #define VALUENODE_COMPATIBILITY_URL "http://synfig.org/Convert#Compatibility"
95 inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
97 std::set<String> CanvasParser::loading_;
99 /* === P R O C E D U R E S ================================================= */
101 static std::map<String, Canvas::LooseHandle>* open_canvas_map_(0);
103 std::map<synfig::String, etl::loose_handle<Canvas> >& synfig::get_open_canvas_map()
105 if(!open_canvas_map_)
106 open_canvas_map_=new std::map<String, Canvas::LooseHandle>;
107 return *open_canvas_map_;
110 static void _remove_from_open_canvas_map(Canvas *x) { get_open_canvas_map().erase(etl::absolute_path(x->get_file_name())); }
112 static void _canvas_file_name_changed(Canvas *x)
114 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
116 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
119 assert(iter!=get_open_canvas_map().end());
120 if(iter==get_open_canvas_map().end())
122 get_open_canvas_map().erase(iter->first);
123 get_open_canvas_map()[etl::absolute_path(x->get_file_name())]=x;
128 synfig::open_canvas(const String &filename,String &errors,String &warnings)
130 return open_canvas_as(filename, filename, errors, warnings);
134 synfig::open_canvas_as(const String &filename,const String &as,String &errors,String &warnings)
136 if (CanvasParser::loading_.count(filename))
138 String warning(strprintf(_("cannot load '%s' recursively"), filename.c_str()));
139 synfig::warning(warning);
140 warnings = " * " + warning + "\n";
141 Canvas::Handle canvas(Canvas::create());
142 canvas->set_file_name(filename);
143 Layer::Handle paste(Layer_PasteCanvas::create());
144 canvas->push_back(paste);
145 paste->set_description(warning);
149 Canvas::Handle canvas;
151 parser.set_allow_errors(true);
155 CanvasParser::loading_.insert(filename);
156 canvas=parser.parse_from_file_as(filename,as,errors);
160 CanvasParser::loading_.erase(filename);
163 CanvasParser::loading_.erase(filename);
165 warnings = parser.get_warnings_text();
167 if(parser.error_count())
169 errors = parser.get_errors_text();
170 return Canvas::Handle();
176 /* === M E T H O D S ======================================================= */
179 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got, const String &expected)
181 error(element,strprintf(_("Unexpected element <%s>, Expected <%s>"),got.c_str(),expected.c_str()));
185 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got)
187 error(element,strprintf(_("Unexpected element <%s>"),got.c_str()));
191 CanvasParser::warning(xmlpp::Node *element, const String &text)
193 string str=strprintf("%s:<%s>:%d: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
195 synfig::warning(str);
199 warnings_text += " * " + str + "\n";
200 if(total_warnings_>=max_warnings_)
201 fatal_error(element, _("Too many warnings"));
205 CanvasParser::error(xmlpp::Node *element, const String &text)
207 string str=strprintf("%s:<%s>:%d: error: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
209 errors_text += " * " + str + "\n";
211 throw runtime_error(str);
213 // synfig::error(str);
217 CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
219 string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
220 throw runtime_error(str);
226 CanvasParser::parse_keyframe(xmlpp::Element *element,Canvas::Handle canvas)
228 assert(element->get_name()=="keyframe");
230 if(!element->get_attribute("time"))
232 error(element,strprintf(_("<%s> is missing \"%s\" attribute"),"real","time"));
236 Keyframe ret(Time(element->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate()));
239 if(element->get_children().empty())
242 if(element->get_child_text()->get_content().empty())
245 ret.set_description(element->get_child_text()->get_content());
252 CanvasParser::parse_real(xmlpp::Element *element)
254 assert(element->get_name()=="real");
256 if(!element->get_children().empty())
257 warning(element, strprintf(_("<%s> should not contain anything"),"real"));
259 if(!element->get_attribute("value"))
261 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"real"));
265 string val=element->get_attribute("value")->get_value();
267 return atof(val.c_str());
271 CanvasParser::parse_time(xmlpp::Element *element,Canvas::Handle canvas)
273 assert(element->get_name()=="time");
275 if(!element->get_children().empty())
276 warning(element, strprintf(_("<%s> should not contain anything"),"time"));
278 if(!element->get_attribute("value"))
280 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"time"));
284 string val=element->get_attribute("value")->get_value();
286 return Time(val,canvas->rend_desc().get_frame_rate());
290 CanvasParser::parse_integer(xmlpp::Element *element)
292 assert(element->get_name()=="integer");
294 if(!element->get_children().empty())
295 warning(element, strprintf(_("<%s> should not contain anything"),"integer"));
297 if(!element->get_attribute("value"))
299 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"integer"));
303 string val=element->get_attribute("value")->get_value();
305 return atoi(val.c_str());
308 // see 'minor hack' at the end of parse_vector() below
309 // making this 'static' to give it file local scope
310 // stops it working (where working means working around
312 Vector &canvas_parser_vector_id(Vector &vector)
318 CanvasParser::parse_vector(xmlpp::Element *element)
320 assert(element->get_name()=="vector");
322 if(element->get_children().empty())
324 error(element, "Undefined value in <vector>");
330 xmlpp::Element::NodeList list = element->get_children();
331 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
333 xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
337 if(child->get_name()=="x")
339 if(child->get_children().empty())
341 error(element, "Undefined value in <x>");
344 vect[0]=atof(child->get_child_text()->get_content().c_str());
347 if(child->get_name()=="y")
349 if(child->get_children().empty())
351 error(element, "Undefined value in <y>");
354 vect[1]=atof(child->get_child_text()->get_content().c_str());
357 error_unexpected_element(child,child->get_name());
359 // Minor hack - gcc 4.1.2 and earlier think that we're not using
360 // 'vect' and optimize it out at -O2 and higher. This convinces
361 // them that we are really using it.
362 return canvas_parser_vector_id(vect);
363 // When the bug is fixed, we can just do this instead:
368 CanvasParser::parse_color(xmlpp::Element *element)
370 assert(element->get_name()=="color");
372 if(element->get_children().empty())
374 error(element, "Undefined value in <color>");
380 xmlpp::Element::NodeList list = element->get_children();
381 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
383 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
387 if(child->get_name()=="r")
389 if(child->get_children().empty())
391 error(element, "Undefined value in <r>");
394 color.set_r(atof(child->get_child_text()->get_content().c_str()));
397 if(child->get_name()=="g")
399 if(child->get_children().empty())
401 error(element, "Undefined value in <g>");
404 color.set_g(atof(child->get_child_text()->get_content().c_str()));
407 if(child->get_name()=="b")
409 if(child->get_children().empty())
411 error(element, "Undefined value in <b>");
414 color.set_b(atof(child->get_child_text()->get_content().c_str()));
417 if(child->get_name()=="a")
419 if(child->get_children().empty())
421 error(element, "Undefined value in <a>");
424 color.set_a(atof(child->get_child_text()->get_content().c_str()));
427 error_unexpected_element(child,child->get_name());
434 CanvasParser::parse_string(xmlpp::Element *element)
436 assert(element->get_name()=="string");
438 if(element->get_children().empty())
440 warning(element, "Undefined value in <string>");
441 return synfig::String();
444 if(element->get_child_text()->get_content().empty())
446 warning(element, "Content element of <string> appears to be empty");
447 return synfig::String();
450 return element->get_child_text()->get_content();
454 CanvasParser::parse_bool(xmlpp::Element *element)
456 assert(element->get_name()=="bool");
458 if(!element->get_children().empty())
459 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
461 if(!element->get_attribute("value"))
463 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
467 string val=element->get_attribute("value")->get_value();
469 if(val=="true" || val=="1")
471 if(val=="false" || val=="0")
474 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
480 CanvasParser::parse_gradient(xmlpp::Element *node)
482 assert(node->get_name()=="gradient");
485 xmlpp::Element::NodeList list = node->get_children();
486 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
488 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
493 Gradient::CPoint cpoint;
494 cpoint.color=parse_color(child);
496 if(!child->get_attribute("pos"))
498 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
502 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
504 ret.push_back(cpoint);
512 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
514 vector<ValueBase> value_list;
516 xmlpp::Element::NodeList list = element->get_children();
517 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
519 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
524 value_list.push_back(parse_value(child,canvas));
525 if(!value_list.back().is_valid())
527 value_list.pop_back();
528 error(child,"Bad ValueBase");
537 CanvasParser::parse_segment(xmlpp::Element *element)
539 assert(element->get_name()=="segment");
541 if(element->get_children().empty())
543 error(element, "Undefined value in <segment>");
549 xmlpp::Element::NodeList list = element->get_children();
550 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
552 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
556 if(child->get_name()=="p1")
558 xmlpp::Element::NodeList list = child->get_children();
559 xmlpp::Element::NodeList::iterator iter;
561 // Search for the first non-text XML element
562 for(iter = list.begin(); iter != list.end(); ++iter)
563 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
567 error(element, "Undefined value in <p1>");
571 if((*iter)->get_name()!="vector")
573 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
577 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
580 if(child->get_name()=="t1")
582 xmlpp::Element::NodeList list = child->get_children();
583 xmlpp::Element::NodeList::iterator iter;
585 // Search for the first non-text XML element
586 for(iter = list.begin(); iter != list.end(); ++iter)
587 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
591 error(element, "Undefined value in <t1>");
595 if((*iter)->get_name()!="vector")
597 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
601 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
604 if(child->get_name()=="p2")
606 xmlpp::Element::NodeList list = child->get_children();
607 xmlpp::Element::NodeList::iterator iter;
609 // Search for the first non-text XML element
610 for(iter = list.begin(); iter != list.end(); ++iter)
611 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
615 error(element, "Undefined value in <p2>");
619 if((*iter)->get_name()!="vector")
621 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
625 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
628 if(child->get_name()=="t2")
630 xmlpp::Element::NodeList list = child->get_children();
631 xmlpp::Element::NodeList::iterator iter;
633 // Search for the first non-text XML element
634 for(iter = list.begin(); iter != list.end(); ++iter)
635 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
639 error(element, "Undefined value in <t2>");
643 if((*iter)->get_name()!="vector")
645 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
649 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
652 error_unexpected_element(child,child->get_name());
658 CanvasParser::parse_bline_point(xmlpp::Element *element)
660 assert(element->get_name()=="bline_point");
661 if(element->get_children().empty())
663 error(element, "Undefined value in <bline_point>");
668 ret.set_split_tangent_flag(false);
670 xmlpp::Element::NodeList list = element->get_children();
671 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
673 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
678 if(child->get_name()[0]=='v' || child->get_name()=="p1")
680 xmlpp::Element::NodeList list = child->get_children();
681 xmlpp::Element::NodeList::iterator iter;
683 // Search for the first non-text XML element
684 for(iter = list.begin(); iter != list.end(); ++iter)
685 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
689 error(element, "Undefined value in <vertex>");
693 if((*iter)->get_name()!="vector")
695 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
699 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
703 if(child->get_name()=="t1" || child->get_name()=="tangent")
705 xmlpp::Element::NodeList list = child->get_children();
706 xmlpp::Element::NodeList::iterator iter;
708 // Search for the first non-text XML element
709 for(iter = list.begin(); iter != list.end(); ++iter)
710 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
714 error(element, "Undefined value in <t1>");
718 if((*iter)->get_name()!="vector")
720 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
724 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
728 if(child->get_name()=="t2")
730 xmlpp::Element::NodeList list = child->get_children();
731 xmlpp::Element::NodeList::iterator iter;
733 // Search for the first non-text XML element
734 for(iter = list.begin(); iter != list.end(); ++iter)
735 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
739 error(element, "Undefined value in <t2>");
743 if((*iter)->get_name()!="vector")
745 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
749 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
750 ret.set_split_tangent_flag(true);
754 if(child->get_name()=="width")
756 xmlpp::Element::NodeList list = child->get_children();
757 xmlpp::Element::NodeList::iterator iter;
759 // Search for the first non-text XML element
760 for(iter = list.begin(); iter != list.end(); ++iter)
761 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
765 error(element, "Undefined value in <width>");
769 if((*iter)->get_name()!="real")
771 error_unexpected_element((*iter),(*iter)->get_name(),"real");
775 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
779 if(child->get_name()=="origin")
781 xmlpp::Element::NodeList list = child->get_children();
782 xmlpp::Element::NodeList::iterator iter;
784 // Search for the first non-text XML element
785 for(iter = list.begin(); iter != list.end(); ++iter)
786 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
790 error(element, "Undefined value in <origin>");
794 if((*iter)->get_name()!="real")
796 error_unexpected_element((*iter),(*iter)->get_name(),"real");
800 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
803 error_unexpected_element(child,child->get_name());
809 CanvasParser::parse_angle(xmlpp::Element *element)
811 assert(element->get_name()=="angle");
813 if(!element->get_children().empty())
814 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
816 if(!element->get_attribute("value"))
818 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
822 string val=element->get_attribute("value")->get_value();
824 return Angle::deg(atof(val.c_str()));
828 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
830 if(element->get_name()=="real")
831 return parse_real(element);
833 if(element->get_name()=="time")
834 return parse_time(element,canvas);
836 if(element->get_name()=="integer")
837 return parse_integer(element);
839 if(element->get_name()=="string")
840 return parse_string(element);
842 if(element->get_name()=="vector")
843 return parse_vector(element);
845 if(element->get_name()=="color")
846 return parse_color(element);
848 if(element->get_name()=="segment")
849 return parse_segment(element);
851 if(element->get_name()=="list")
852 return parse_list(element,canvas);
854 if(element->get_name()=="gradient")
855 return parse_gradient(element);
857 if(element->get_name()=="bool")
858 return parse_bool(element);
860 //if(element->get_name()=="canvas")
861 // return parse_canvas(element,canvas,true); // inline canvas
863 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
864 return parse_angle(element);
866 if(element->get_name()=="bline_point")
867 return parse_bline_point(element);
869 if(element->get_name()=="canvas")
870 return ValueBase(parse_canvas(element,canvas,true));
873 error_unexpected_element(element,element->get_name());
882 ValueNode_Animated::Handle
883 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
885 assert(element->get_name()=="hermite" || element->get_name()=="animated");
887 if(!element->get_attribute("type"))
889 error(element,"Missing attribute \"type\" in <animated>");
890 return ValueNode_Animated::Handle();
893 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
897 error(element,"Bad type in <animated>");
898 return ValueNode_Animated::Handle();
901 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
905 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_local_name(type).c_str()));
906 return ValueNode_Animated::Handle();
909 value_node->set_root_canvas(canvas->get_root());
911 xmlpp::Element::NodeList list = element->get_children();
912 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
914 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
918 if(child->get_name()=="waypoint")
920 if(!child->get_attribute("time"))
922 error(child,_("<waypoint> is missing attribute \"time\""));
926 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
929 ValueNode::Handle waypoint_value_node;
930 xmlpp::Element::NodeList list = child->get_children();
932 if(child->get_attribute("use"))
935 warning(child,_("Found \"use\" attribute for <waypoint>, but it wasn't empty. Ignoring contents..."));
937 // the waypoint might look like this, in which case we won't find "mycanvas" in the list of valuenodes, 'cos it's a canvas
939 // <animated type="canvas">
940 // <waypoint time="0s" use="mycanvas"/>
942 if (type==ValueBase::TYPE_CANVAS)
945 waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value(), warnings));
946 warnings_text += warnings;
949 waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
953 if(child->get_children().empty())
955 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
959 xmlpp::Element::NodeList::iterator iter;
961 // Search for the first non-text XML element
962 for(iter = list.begin(); iter != list.end(); ++iter)
963 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
967 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
971 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
974 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
978 error(child,_("Bad data for <waypoint>"));
982 if(!waypoint_value_node)
984 error(child,_("Bad data for <waypoint>"));
988 /*! HACK -- This is a temporary fix to help repair some
989 ** weirdness that is currently going on (10-21-2004).
990 ** This short circuits the linking of waypoints,
991 ** a feature which is so obscure that we can get
992 ** away with something like this pretty easily.
994 waypoint_value_node=waypoint_value_node->clone();
996 // Warn if there is trash after the param value
997 for(iter++; iter != list.end(); ++iter)
998 if(dynamic_cast<xmlpp::Element*>(*iter))
999 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
1004 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
1006 if(child->get_attribute("tension"))
1008 synfig::String str(child->get_attribute("tension")->get_value());
1009 waypoint->set_tension(atof(str.c_str()));
1011 if(child->get_attribute("temporal-tension"))
1013 synfig::String str(child->get_attribute("temporal-tension")->get_value());
1014 waypoint->set_temporal_tension(atof(str.c_str()));
1016 if(child->get_attribute("continuity"))
1018 synfig::String str(child->get_attribute("continuity")->get_value());
1019 waypoint->set_continuity(atof(str.c_str()));
1021 if(child->get_attribute("bias"))
1023 synfig::String str(child->get_attribute("bias")->get_value());
1024 waypoint->set_bias(atof(str.c_str()));
1027 if(child->get_attribute("before"))
1029 string val=child->get_attribute("before")->get_value();
1031 waypoint->set_before(INTERPOLATION_HALT);
1032 else if(val=="constant")
1033 waypoint->set_before(INTERPOLATION_CONSTANT);
1034 else if(val=="linear")
1035 waypoint->set_before(INTERPOLATION_LINEAR);
1036 else if(val=="manual")
1037 waypoint->set_before(INTERPOLATION_MANUAL);
1038 else if(val=="auto")
1039 waypoint->set_before(INTERPOLATION_TCB);
1041 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1044 if(child->get_attribute("after"))
1046 string val=child->get_attribute("after")->get_value();
1048 waypoint->set_after(INTERPOLATION_HALT);
1049 else if(val=="constant")
1050 waypoint->set_after(INTERPOLATION_CONSTANT);
1051 else if(val=="linear")
1052 waypoint->set_after(INTERPOLATION_LINEAR);
1053 else if(val=="manual")
1054 waypoint->set_after(INTERPOLATION_MANUAL);
1055 else if(val=="auto")
1056 waypoint->set_after(INTERPOLATION_TCB);
1058 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1061 catch(Exception::BadTime x)
1063 warning(child,x.what());
1069 error_unexpected_element(child,child->get_name());
1072 // in canvas version 0.1, angles used to wrap, so to get from -179
1073 // degrees to 180 degrees meant a 1 degree change
1074 // in canvas version 0.2 they don't, so that's a 359 degree change
1076 // when loading a version 0.1 canvas, modify constant angle
1077 // waypoints to that they are within 180 degrees of the previous
1079 if (type == ValueBase::TYPE_ANGLE)
1081 if (canvas->get_version() == "0.1")
1084 Real angle, prev = 0;
1085 WaypointList &wl = value_node->waypoint_list();
1086 for (WaypointList::iterator iter = wl.begin(); iter != wl.end(); iter++)
1088 angle = Angle::deg(iter->get_value(iter->get_time()).get(Angle())).get();
1091 else if (iter->get_value_node()->get_name() == "constant")
1093 if (angle - prev > 180)
1095 while (angle - prev > 180) angle -= 360;
1096 iter->set_value(Angle::deg(angle));
1098 else if (prev - angle > 180)
1100 while (prev - angle > 180) angle += 360;
1101 iter->set_value(Angle::deg(angle));
1109 value_node->changed();
1113 etl::handle<LinkableValueNode>
1114 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1116 // Determine the type
1117 if(!element->get_attribute("type"))
1119 error(element, strprintf(_("Missing attribute \"type\" in <%s>"), element->get_name().c_str()));
1123 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1127 error(element, strprintf(_("Bad type in <%s>"), element->get_name().c_str()));
1131 handle<LinkableValueNode> value_node=LinkableValueNode::create(element->get_name(),type);
1132 handle<ValueNode> c[value_node->link_count()];
1136 error(element, strprintf(_("Error creating ValueNode <%s> with type '%s'. Refer to '%s'"),
1137 element->get_name().c_str(),
1138 ValueBase::type_local_name(type).c_str(),
1139 VALUENODE_COMPATIBILITY_URL));
1143 if(value_node->get_type()!=type)
1145 error(element, strprintf(_("<%s> did not accept type '%s'"),
1146 element->get_name().c_str(),
1147 ValueBase::type_local_name(type).c_str()));
1151 value_node->set_root_canvas(canvas->get_root());
1153 // handle exported valuenodes
1157 xmlpp::Element::AttributeList attrib_list(element->get_attributes());
1158 for(xmlpp::Element::AttributeList::iterator iter = attrib_list.begin(); iter != attrib_list.end(); iter++)
1160 name = (*iter)->get_name();
1161 id = (*iter)->get_value();
1163 if (name == "guid" || name == "id" || name == "type")
1167 index = value_node->get_link_index_from_name(name);
1171 error(element,strprintf(_("'%s' was already defined in <%s>"),
1173 element->get_name().c_str()));
1177 c[index] = canvas->surefind_value_node(id);
1181 error(element, strprintf(_("'%s' attribute in <%s> references unknown ID '%s'"),
1183 element->get_name().c_str(),
1188 if(!value_node->set_link(index, c[index]))
1190 error(element, strprintf(_("Unable to set link '\"%s\" to ValueNode \"%s\" (link #%d in \"%s\")"),
1191 value_node->link_name(index).c_str(),
1194 element->get_name().c_str()));
1198 // printf(" <%s> set link %d (%s) using exported value\n", element->get_name().c_str(), index, name.c_str());
1200 catch (Exception::BadLinkName)
1202 warning(element, strprintf("Bad link name '%s'", name.c_str()));
1204 catch(Exception::IDNotFound)
1206 error(element,"Unable to resolve " + id);
1208 catch(Exception::FileNotFound)
1210 error(element,"Unable to open file referenced in " + id);
1214 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""), id.c_str()));
1220 // handle inline valuenodes
1224 xmlpp::Element::NodeList list = element->get_children();
1225 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1227 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1233 child_name = child->get_name();
1235 index = value_node->get_link_index_from_name(child_name);
1239 error(child, strprintf(_("'%s' was already defined in <%s>"),
1241 element->get_name().c_str()));
1245 xmlpp::Element::NodeList list = child->get_children();
1246 xmlpp::Element::NodeList::iterator iter;
1248 // Search for the first non-text XML element
1249 for(iter = list.begin(); iter != list.end(); ++iter)
1250 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1252 if(iter==list.end())
1254 error(child,strprintf(_("element <%s> is missing its contents"),
1255 child_name.c_str()));
1259 c[index]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1263 error((*iter),strprintf(_("Parse of '%s' failed"),
1264 child_name.c_str()));
1268 if(!value_node->set_link(index,c[index]))
1270 error(child,strprintf(_("Unable to connect value node ('%s' of type '%s') to link %d (%s)"),
1271 c[index]->get_name().c_str(),
1272 ValueBase::type_local_name(c[index]->get_type()).c_str(),
1274 value_node->link_name(index).c_str()));
1278 // \todo do a search for more elements and warn if they are found
1280 // printf(" <%s> set link %d (%s) using inline value\n", element->get_name().c_str(), index, child_name.c_str());
1282 catch(Exception::BadLinkName)
1284 warning(child, strprintf("Bad link name for <%s>", element->get_name().c_str()));
1288 error(child, strprintf(_("Unknown Exception thrown when working on element \"%s\""),child_name.c_str()));
1294 String version(canvas->get_version());
1295 for (int i = 0; i < value_node->link_count(); i++)
1299 // the 'width' parameter of <stripes> wasn't always present in version 0.1 canvases
1300 if (version == "0.1" && element->get_name() == "stripes" && value_node->link_name(i) == "width")
1303 // these 3 blinecalctangent parameters didn't appear until canvas version 0.5
1304 if ((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4") &&
1305 element->get_name() == "blinecalctangent" &&
1306 (value_node->link_name(i) == "offset" ||
1307 value_node->link_name(i) == "scale" ||
1308 value_node->link_name(i) == "fixed_length"))
1311 // 'scale' was added while canvas version 0.5 was in use
1312 if ((version == "0.3" || version == "0.4" || version == "0.5") &&
1313 element->get_name() == "blinecalcwidth" &&
1314 value_node->link_name(i) == "scale")
1317 // 'loop' was added while canvas version 0.5 was in use, as was the 'gradientcolor' node type
1318 if (version == "0.5" &&
1319 element->get_name() == "gradientcolor" &&
1320 value_node->link_name(i) == "loop")
1323 // 'loop' was added while canvas version 0.6 was in use; the 'random' node was added back when 0.1 was in use
1324 if ((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4" || version == "0.5" || version == "0.6") &&
1325 element->get_name() == "random" &&
1326 value_node->link_name(i) == "loop")
1329 error(element, strprintf(_("<%s> is missing link %d (%s)"),
1330 element->get_name().c_str(),
1332 value_node->link_name(i).c_str()));
1337 // pre 0.4 canvases had *calctangent outputs scaled down by 0.5 for some reason
1338 if (element->get_name() == "blinecalctangent" || element->get_name() == "segcalctangent")
1340 if (version == "0.1" || version == "0.2" || version == "0.3")
1342 handle<LinkableValueNode> scale_value_node=LinkableValueNode::create("scale",type);
1343 scale_value_node->set_link("link", value_node);
1344 scale_value_node->set_link("scalar", ValueNode_Const::create(Real(0.5)));
1345 value_node = scale_value_node;
1352 // This will also parse a bline
1353 handle<ValueNode_DynamicList>
1354 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1356 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1358 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1360 if(!element->get_attribute("type"))
1362 error(element,"Missing attribute \"type\" in <dynamic_list>");
1363 return handle<ValueNode_DynamicList>();
1366 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1370 error(element,"Bad type in <dynamic_list>");
1371 return handle<ValueNode_DynamicList>();
1374 handle<ValueNode_DynamicList> value_node;
1375 handle<ValueNode_BLine> bline_value_node;
1377 if(element->get_name()=="bline")
1379 value_node=bline_value_node=ValueNode_BLine::create();
1380 if(element->get_attribute("loop"))
1382 String loop=element->get_attribute("loop")->get_value();
1383 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1384 bline_value_node->set_loop(true);
1386 bline_value_node->set_loop(false);
1391 value_node=ValueNode_DynamicList::create(type);
1395 error(element,strprintf(_("Unable to create <dynamic_list>")));
1396 return handle<ValueNode_DynamicList>();
1399 value_node->set_root_canvas(canvas->get_root());
1401 xmlpp::Element::NodeList list = element->get_children();
1402 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1404 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1408 if(child->get_name()=="entry")
1410 ValueNode_DynamicList::ListEntry list_entry;
1412 // Parse begin/end waypoints
1414 typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1415 typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1417 String begin_sequence;
1418 String end_sequence;
1420 ActivepointList &timing_info(list_entry.timing_info);
1422 if(child->get_attribute("begin"))
1423 begin_sequence=child->get_attribute("begin")->get_value();
1425 if(child->get_attribute("on"))
1426 begin_sequence=child->get_attribute("on")->get_value();
1428 if(child->get_attribute("end"))
1429 end_sequence=child->get_attribute("end")->get_value();
1431 if(child->get_attribute("off"))
1432 end_sequence=child->get_attribute("off")->get_value();
1434 // clear out any auto-start
1435 if(!begin_sequence.empty())
1436 timing_info.clear();
1439 while(!begin_sequence.empty())
1441 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1442 String timecode(begin_sequence.begin(), iter);
1445 // skip whitespace before checking for a priority
1446 while (isspace(timecode[0]))
1447 timecode=timecode.substr(1);
1449 // If there is a priority, then grab it and remove
1450 // it from the timecode
1451 if(timecode[0]=='p')
1453 //priority=timecode[1]-'0';
1454 //timecode=String(timecode.begin()+3,timecode.end());
1455 int space=timecode.find_first_of(' ');
1456 priority=atoi(String(timecode,1,space-1).c_str());
1457 timecode=String(timecode.begin()+space+1,timecode.end());
1458 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1461 timing_info.push_back(
1467 true, // Mark as a "on" activepoint
1472 if(iter==begin_sequence.end())
1473 begin_sequence.clear();
1475 begin_sequence=String(iter+1,begin_sequence.end());
1479 while(!end_sequence.empty())
1481 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1482 String timecode(end_sequence.begin(), iter);
1485 // skip whitespace before checking for a priority
1486 while (isspace(timecode[0]))
1487 timecode=timecode.substr(1);
1489 // If there is a priority, then grab it and remove
1490 // it from the timecode
1491 if(timecode[0]=='p')
1493 //priority=timecode[1]-'0';
1494 //timecode=String(timecode.begin()+3,timecode.end());
1495 int space=timecode.find_first_of(' ');
1496 priority=atoi(String(timecode,1,space-1).c_str());
1497 timecode=String(timecode.begin()+space+1,timecode.end());
1498 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1501 timing_info.push_back(
1507 false, // Mark as a "off" activepoint
1511 if(iter==end_sequence.end())
1512 end_sequence.clear();
1514 end_sequence=String(iter+1,end_sequence.end());
1520 if(child->get_attribute("use"))
1522 // \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
1523 string id=child->get_attribute("use")->get_value();
1526 list_entry.value_node=canvas->surefind_value_node(id);
1528 catch(Exception::IDNotFound)
1530 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1536 xmlpp::Element::NodeList list = child->get_children();
1537 xmlpp::Element::NodeList::iterator iter;
1539 // Search for the first non-text XML element
1540 for(iter = list.begin(); iter != list.end(); ++iter)
1541 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1543 if(iter==list.end())
1545 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1549 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1551 if(!list_entry.value_node)
1552 error((*iter),"Parse of ValueNode failed");
1554 // \todo do a search for more elements and warn if they are found
1558 value_node->add(list_entry);
1559 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1562 error_unexpected_element(child,child->get_name());
1568 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1570 handle<ValueNode> value_node;
1575 if(element->get_attribute("guid"))
1577 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1578 value_node=guid_cast<ValueNode>(guid);
1583 // If ValueBase::ident_type() recognizes the name, then we know it's a ValueBase
1584 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1586 ValueBase data=parse_value(element,canvas);
1588 if(!data.is_valid())
1590 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1594 // We want to convert this ValueBase into a
1595 // ValueNode_Const. That way, we can treat the
1596 // ID like any other Datanode. Think of this
1597 // as a shorthand for creating constant ValueNodes.
1599 value_node=ValueNode_Const::create(data);
1602 if(element->get_name()=="hermite" || element->get_name()=="animated")
1603 value_node=parse_animated(element,canvas);
1605 if(element->get_name()=="dynamic_list")
1606 value_node=parse_dynamic_list(element,canvas);
1608 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1609 value_node=parse_dynamic_list(element,canvas);
1611 if(LinkableValueNode::book().count(element->get_name()))
1613 value_node=parse_linkable_value_node(element,canvas);
1614 if (!value_node) value_node = PlaceholderValueNode::create();
1617 if(element->get_name()=="canvas")
1618 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1621 error_unexpected_element(element,element->get_name());
1622 error(element, strprintf(_("Expected a ValueNode. Refer to '%s'"),
1623 VALUENODE_COMPATIBILITY_URL));
1624 value_node=PlaceholderValueNode::create();
1627 value_node->set_root_canvas(canvas->get_root());
1629 // If we were successful, and our element has
1630 // an ID attribute, go ahead and add it to the
1632 if(value_node && element->get_attribute("id"))
1634 string id=element->get_attribute("id")->get_value();
1636 //value_node->set_id(id);
1638 // If there is already a value_node in the list
1639 // with the same ID, then that is an error
1640 try { canvas->add_value_node(value_node,id); }
1641 catch(Exception::BadLinkName)
1643 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1646 catch(Exception::IDAlreadyExists)
1648 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1653 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1657 value_node->set_guid(guid);
1662 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1664 assert(element->get_name()=="defs");
1665 xmlpp::Element::NodeList list = element->get_children();
1666 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1668 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1672 if(child->get_name()=="canvas")
1673 parse_canvas(child, canvas);
1675 parse_value_node(child,canvas);
1680 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1683 assert(element->get_name()=="layer");
1684 Layer::Handle layer;
1686 if(!element->get_attribute("type"))
1688 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1689 return Layer::Handle();
1692 layer=Layer::create(element->get_attribute("type")->get_value());
1693 layer->set_canvas(canvas);
1695 if(element->get_attribute("group"))
1697 layer->add_to_group(
1698 element->get_attribute("group")->get_value()
1702 // Handle the version attribute
1703 if(element->get_attribute("version"))
1705 String version(element->get_attribute("version")->get_value());
1706 if(version>layer->get_version())
1707 warning(element,_("Installed layer version is smaller than layer version in file"));
1708 if(version!=layer->get_version())
1709 layer->set_version(version);
1712 // Handle the description
1713 if(element->get_attribute("desc"))
1714 layer->set_description(element->get_attribute("desc")->get_value());
1716 if(element->get_attribute("active"))
1717 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1719 xmlpp::Element::NodeList list = element->get_children();
1720 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1722 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1726 if(child->get_name()=="name")
1727 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1729 if(child->get_name()=="desc")
1730 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1732 if(child->get_name()=="param")
1734 xmlpp::Element::NodeList list = child->get_children();
1736 if(!child->get_attribute("name"))
1738 error(child,_("Missing \"name\" attribute for <param>."));
1742 String param_name=child->get_attribute("name")->get_value();
1744 // SVN r2013 and r2014 renamed all 'pos' and 'offset' parameters to 'origin'
1745 // 'pos' and 'offset' will appear in old .sif files; handle them correctly
1746 if (param_name == "pos" || param_name == "offset")
1747 param_name = "origin";
1749 if(child->get_attribute("use"))
1751 // If the "use" attribute is used, then the
1752 // element should be empty. Warn the user if
1753 // we find otherwise.
1755 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1757 String str= child->get_attribute("use")->get_value();
1760 error(child,_("Empty use=\"\" value in <param>"));
1761 else if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1764 Canvas::Handle c(canvas->surefind_canvas(str, warnings));
1765 warnings_text += warnings;
1766 if(!c) error((*iter),strprintf(_("Failed to load subcanvas '%s'"), str.c_str()));
1767 if(!layer->set_param(param_name,c))
1768 error((*iter),_("Layer rejected canvas link"));
1773 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1775 // Assign the value_node to the dynamic parameter list
1776 if (param_name == "segment_list" && (layer->get_name() == "region" || layer->get_name() == "outline"))
1778 synfig::warning("%s: Updated valuenode connection to use the \"bline\" parameter instead of \"segment_list\".",
1779 layer->get_name().c_str());
1780 param_name = "bline";
1782 layer->connect_dynamic_param(param_name,value_node);
1784 catch(Exception::IDNotFound)
1786 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1792 xmlpp::Element::NodeList::iterator iter;
1794 // Search for the first non-text XML element
1795 for(iter = list.begin(); iter != list.end(); ++iter)
1796 if(dynamic_cast<xmlpp::Element*>(*iter))
1798 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1800 if(iter==list.end())
1802 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1806 // If we recognize the element name as a
1807 // ValueBase, then treat is at one
1808 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1810 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1812 if(!data.is_valid())
1814 error((*iter),_("Bad data for <param>"));
1818 // Set the layer's parameter, and make sure that
1819 // the layer liked it
1820 if(!layer->set_param(param_name,data))
1822 warning((*iter),strprintf(_("Layer '%s' rejected value for parameter '%s'"),
1823 element->get_attribute("type")->get_value().c_str(),
1824 param_name.c_str()));
1828 else // ... otherwise, we assume that it is a ValueNode
1830 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1834 error((*iter),_("Bad data for <param>"));
1838 // Assign the value_node to the dynamic parameter list
1839 layer->connect_dynamic_param(param_name,value_node);
1842 // Warn if there is trash after the param value
1843 for(iter++; iter != list.end(); ++iter)
1844 if(dynamic_cast<xmlpp::Element*>(*iter))
1845 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
1849 error_unexpected_element(child,child->get_name());
1852 layer->reset_version();
1857 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
1860 if(element->get_name()!="canvas")
1862 error_unexpected_element(element,element->get_name(),"canvas");
1863 return Canvas::Handle();
1865 Canvas::Handle canvas;
1869 if(parent && (element->get_attribute("id") || inline_))
1873 canvas=Canvas::create_inline(parent);
1880 canvas=parent->find_canvas(element->get_attribute("id")->get_value(), warnings);
1881 warnings_text += warnings;
1885 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
1888 canvas->rend_desc().clear_flags();
1892 canvas=Canvas::create();
1893 if(filename=="/dev/stdin")
1894 canvas->set_file_name("./stdin.sif");
1896 canvas->set_file_name(filename);
1897 canvas->rend_desc().clear_flags();
1900 if(element->get_attribute("guid"))
1902 GUID guid(element->get_attribute("guid")->get_value());
1903 if(guid_cast<Canvas>(guid))
1904 return guid_cast<Canvas>(guid);
1906 canvas->set_guid(guid);
1909 if(element->get_attribute("version"))
1910 canvas->set_version(element->get_attribute("version")->get_value());
1912 canvas->set_version(parent->get_version());
1914 if(element->get_attribute("width"))
1916 int width = atoi(element->get_attribute("width")->get_value().c_str());
1918 fatal_error(element, _("Canvas with width or height less than one is not allowed"));
1919 canvas->rend_desc().set_w(width);
1922 if(element->get_attribute("height"))
1924 int height = atoi(element->get_attribute("height")->get_value().c_str());
1926 fatal_error(element, _("Canvas with width or height less than one is not allowed"));
1927 canvas->rend_desc().set_h(height);
1930 if(element->get_attribute("xres"))
1931 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
1933 if(element->get_attribute("yres"))
1934 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
1937 if(element->get_attribute("fps"))
1938 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
1940 if(element->get_attribute("start-time"))
1941 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1943 if(element->get_attribute("begin-time"))
1944 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1946 if(element->get_attribute("end-time"))
1947 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1949 if(element->get_attribute("antialias"))
1950 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
1952 if(element->get_attribute("view-box"))
1954 string values=element->get_attribute("view-box")->get_value();
1958 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
1959 values=string(values.begin()+values.find(' ')+1,values.end());
1960 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
1961 values=string(values.begin()+values.find(' ')+1,values.end());
1962 br[0]=atof(string(values.data(),values.find(' ')).c_str());
1963 values=string(values.begin()+values.find(' ')+1,values.end());
1964 br[1]=atof(values.c_str());
1966 canvas->rend_desc().set_tl(tl);
1967 canvas->rend_desc().set_br(br);
1970 if(element->get_attribute("bgcolor"))
1972 string values=element->get_attribute("bgcolor")->get_value();
1975 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
1976 values=string(values.begin()+values.find(' ')+1,values.end());
1978 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
1979 values=string(values.begin()+values.find(' ')+1,values.end());
1981 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
1982 values=string(values.begin()+values.find(' ')+1,values.end());
1984 bg.set_a(atof(values.c_str()));
1986 canvas->rend_desc().set_bg_color(bg);
1989 if(element->get_attribute("focus"))
1991 string values=element->get_attribute("focus")->get_value();
1994 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
1995 values=string(values.begin()+values.find(' ')+1,values.end());
1996 focus[1]=atof(values.c_str());
1998 canvas->rend_desc().set_focus(focus);
2001 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
2003 xmlpp::Element::NodeList list = element->get_children();
2004 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2006 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
2009 if(child->get_name()=="defs")
2011 if(canvas->is_inline())
2012 error(child,_("Inline canvas cannot have a <defs> section"));
2013 parse_canvas_defs(child, canvas);
2016 if(child->get_name()=="keyframe")
2018 if(canvas->is_inline())
2020 warning(child,_("Inline canvas cannot have keyframes"));
2024 canvas->keyframe_list().add(parse_keyframe(child,canvas));
2025 canvas->keyframe_list().sync();
2028 if(child->get_name()=="meta")
2030 if(canvas->is_inline())
2032 warning(child,_("Inline canvases cannot have metadata"));
2036 String name,content;
2038 if(!child->get_attribute("name"))
2040 warning(child,_("<meta> must have a name"));
2044 if(!child->get_attribute("content"))
2046 warning(child,_("<meta> must have content"));
2050 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
2052 else if(child->get_name()=="name")
2054 xmlpp::Element::NodeList list = child->get_children();
2056 // If we don't have any name, warn
2058 warning(child,_("blank \"name\" entity"));
2061 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2062 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2063 canvas->set_name(tmp);
2066 if(child->get_name()=="desc")
2069 xmlpp::Element::NodeList list = child->get_children();
2071 // If we don't have any description, warn
2073 warning(child,_("blank \"desc\" entity"));
2076 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2077 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2078 canvas->set_description(tmp);
2081 if(child->get_name()=="author")
2084 xmlpp::Element::NodeList list = child->get_children();
2086 // If we don't have any description, warn
2088 warning(child,_("blank \"author\" entity"));
2091 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2092 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2093 canvas->set_author(tmp);
2096 if(child->get_name()=="layer")
2098 //if(canvas->is_inline())
2099 // canvas->push_front(parse_layer(child,canvas->parent()));
2101 canvas->push_front(parse_layer(child,canvas));
2104 error_unexpected_element(child,child->get_name());
2107 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2111 if(canvas->value_node_list().placeholder_count())
2114 for (ValueNodeList::const_iterator iter = canvas->value_node_list().begin(); iter != canvas->value_node_list().end(); iter++)
2115 if(PlaceholderValueNode::Handle::cast_dynamic(*iter))
2117 if (nodes != "") nodes += ", ";
2118 nodes += "'" + (*iter)->get_id() + "'";
2120 error(element,strprintf(_("Canvas '%s' has undefined %s: %s"),
2121 canvas->get_id().c_str(),
2122 canvas->value_node_list().placeholder_count() == 1 ? _("ValueNode") : _("ValueNodes"),
2126 canvas->set_version(CURRENT_CANVAS_VERSION);
2131 CanvasParser::register_canvas_in_map(Canvas::Handle canvas, String as)
2133 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2134 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2135 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2140 CanvasParser::show_canvas_map(String file, int line, String text)
2143 printf(" .-----\n | %s:%d %s\n", file.c_str(), line, text.c_str());
2144 std::map<synfig::String, etl::loose_handle<Canvas> > canvas_map(synfig::get_open_canvas_map());
2145 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
2146 for (iter = canvas_map.begin(); iter != canvas_map.end(); iter++)
2148 synfig::String first(iter->first);
2149 etl::loose_handle<Canvas> second(iter->second);
2150 printf(" | %40s : %lx (%d)\n", first.c_str(), ulong(&*second), second->count());
2152 printf(" `-----\n\n");
2157 CanvasParser::parse_from_file_as(const String &file_,const String &as_,String &errors)
2159 ChangeLocale change_locale(LC_NUMERIC, "C");
2160 String file(unix_to_local_path(file_));
2161 String as(unix_to_local_path(as_));
2165 if(get_open_canvas_map().count(etl::absolute_path(as)))
2166 return get_open_canvas_map()[etl::absolute_path(as)];
2170 xmlpp::DomParser parser(file);
2173 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2174 if (!canvas) return canvas;
2175 register_canvas_in_map(canvas, as);
2177 const ValueNodeList& value_node_list(canvas->value_node_list());
2180 ValueNodeList::const_iterator iter;
2181 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2183 ValueNode::Handle value_node(*iter);
2184 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2186 canvas->remove_value_node(value_node);
2194 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2195 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2196 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2197 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2198 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2199 catch(xmlpp::internal_error x)
2201 if (!strcmp(x.what(), "Couldn't create parsing context"))
2202 throw runtime_error(String(" * ") + _("Can't open file") + " \"" + file + "\"");
2205 catch(const std::exception& ex)
2207 synfig::error("Standard Exception: "+String(ex.what()));
2209 return Canvas::Handle();
2211 catch(const String& str)
2214 // synfig::error(str);
2216 return Canvas::Handle();
2218 return Canvas::Handle();
2222 CanvasParser::parse_as(xmlpp::Element* node,String &errors)
2224 ChangeLocale change_locale(LC_NUMERIC, "C");
2230 Canvas::Handle canvas(parse_canvas(node,0,false,""));
2231 if (!canvas) return canvas;
2233 const ValueNodeList& value_node_list(canvas->value_node_list());
2236 ValueNodeList::const_iterator iter;
2237 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2239 ValueNode::Handle value_node(*iter);
2240 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2242 canvas->remove_value_node(value_node);
2250 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2251 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2252 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2253 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2254 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2255 catch(xmlpp::internal_error x)
2257 if (!strcmp(x.what(), "Couldn't create parsing context"))
2258 throw runtime_error(String(" * ") + _("Can't open file") + " \"" + "\"");
2261 catch(const std::exception& ex)
2263 synfig::error("Standard Exception: "+String(ex.what()));
2265 return Canvas::Handle();
2267 catch(const String& str)
2271 return Canvas::Handle();
2273 return Canvas::Handle();
2277 synfig::open_canvas(xmlpp::Element* node,String &errors,String &warnings){
2278 Canvas::Handle canvas;
2279 CanvasParser parser;
2280 parser.set_allow_errors(true);
2283 canvas=parser.parse_as(node,errors);
2287 synfig::error("open canvas of a node");
2291 warnings = parser.get_warnings_text();
2293 if(parser.error_count())
2295 errors = parser.get_errors_text();
2296 return Canvas::Handle();