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
11 ** Copyright (c) 2009 Nikita Kitaev
13 ** This package is free software; you can redistribute it and/or
14 ** modify it under the terms of the GNU General Public License as
15 ** published by the Free Software Foundation; either version 2 of
16 ** the License, or (at your option) any later version.
18 ** This package is distributed in the hope that it will be useful,
19 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 ** General Public License for more details.
24 /* ========================================================================= */
26 /* === H E A D E R S ======================================================= */
38 #include <ETL/stringf>
39 #include <libxml++/libxml++.h>
44 #include "layer_pastecanvas.h"
45 #include "loadcanvas.h"
46 #include "valuenode.h"
47 #include "valuenode_subtract.h"
48 #include "valuenode_animated.h"
49 #include "valuenode_composite.h"
50 #include "valuenode_const.h"
51 #include "valuenode_linear.h"
52 #include "valuenode_dynamiclist.h"
53 #include "valuenode_reference.h"
54 #include "valuenode_scale.h"
55 #include "valuenode_timedswap.h"
56 #include "valuenode_twotone.h"
57 #include "valuenode_stripes.h"
58 #include "valuenode_segcalctangent.h"
59 #include "valuenode_segcalcvertex.h"
60 #include "valuenode_bline.h"
65 #include "exception.h"
70 #include <sigc++/bind.h>
74 /* === U S I N G =========================================================== */
77 using namespace synfig;
84 test_class() { assert(!bleh); bleh++; synfig::info("test_class: initi: %d",bleh); }
85 ~test_class() { assert(bleh); synfig::info("test_class: uninit: %d",bleh); bleh--; }
87 int test_class::bleh(0);
89 test_class test_class_instance;
92 /* === M A C R O S ========================================================= */
94 #define VALUENODE_COMPATIBILITY_URL "http://synfig.org/Convert#Compatibility"
96 inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
98 std::set<String> CanvasParser::loading_;
100 /* === P R O C E D U R E S ================================================= */
102 static std::map<String, Canvas::LooseHandle>* open_canvas_map_(0);
104 std::map<synfig::String, etl::loose_handle<Canvas> >& synfig::get_open_canvas_map()
106 if(!open_canvas_map_)
107 open_canvas_map_=new std::map<String, Canvas::LooseHandle>;
108 return *open_canvas_map_;
111 static void _remove_from_open_canvas_map(Canvas *x) { get_open_canvas_map().erase(etl::absolute_path(x->get_file_name())); }
113 static void _canvas_file_name_changed(Canvas *x)
115 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
117 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
120 assert(iter!=get_open_canvas_map().end());
121 if(iter==get_open_canvas_map().end())
123 get_open_canvas_map().erase(iter->first);
124 get_open_canvas_map()[etl::absolute_path(x->get_file_name())]=x;
129 synfig::open_canvas(const String &filename,String &errors,String &warnings)
131 return open_canvas_as(filename, filename, errors, warnings);
135 synfig::open_canvas_as(const String &filename,const String &as,String &errors,String &warnings)
137 if (CanvasParser::loading_.count(filename))
139 String warning(strprintf(_("cannot load '%s' recursively"), filename.c_str()));
140 synfig::warning(warning);
141 warnings = " * " + warning + "\n";
142 Canvas::Handle canvas(Canvas::create());
143 canvas->set_file_name(filename);
144 Layer::Handle paste(Layer_PasteCanvas::create());
145 canvas->push_back(paste);
146 paste->set_description(warning);
150 Canvas::Handle canvas;
152 parser.set_allow_errors(true);
156 CanvasParser::loading_.insert(filename);
157 canvas=parser.parse_from_file_as(filename,as,errors);
161 CanvasParser::loading_.erase(filename);
164 CanvasParser::loading_.erase(filename);
166 warnings = parser.get_warnings_text();
168 if(parser.error_count())
170 errors = parser.get_errors_text();
171 return Canvas::Handle();
177 /* === M E T H O D S ======================================================= */
180 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got, const String &expected)
182 error(element,strprintf(_("Unexpected element <%s>, Expected <%s>"),got.c_str(),expected.c_str()));
186 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got)
188 error(element,strprintf(_("Unexpected element <%s>"),got.c_str()));
192 CanvasParser::warning(xmlpp::Node *element, const String &text)
194 string str=strprintf("%s:<%s>:%d: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
196 synfig::warning(str);
200 warnings_text += " * " + str + "\n";
201 if(total_warnings_>=max_warnings_)
202 fatal_error(element, _("Too many warnings"));
206 CanvasParser::error(xmlpp::Node *element, const String &text)
208 string str=strprintf("%s:<%s>:%d: error: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
210 errors_text += " * " + str + "\n";
212 throw runtime_error(str);
214 // synfig::error(str);
218 CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
220 string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
221 throw runtime_error(str);
227 CanvasParser::parse_keyframe(xmlpp::Element *element,Canvas::Handle canvas)
229 assert(element->get_name()=="keyframe");
231 if(!element->get_attribute("time"))
233 error(element,strprintf(_("<%s> is missing \"%s\" attribute"),"real","time"));
237 Keyframe ret(Time(element->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate()));
240 if(element->get_children().empty())
243 if(element->get_child_text()->get_content().empty())
246 ret.set_description(element->get_child_text()->get_content());
253 CanvasParser::parse_real(xmlpp::Element *element)
255 assert(element->get_name()=="real");
257 if(!element->get_children().empty())
258 warning(element, strprintf(_("<%s> should not contain anything"),"real"));
260 if(!element->get_attribute("value"))
262 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"real"));
266 string val=element->get_attribute("value")->get_value();
268 return atof(val.c_str());
272 CanvasParser::parse_time(xmlpp::Element *element,Canvas::Handle canvas)
274 assert(element->get_name()=="time");
276 if(!element->get_children().empty())
277 warning(element, strprintf(_("<%s> should not contain anything"),"time"));
279 if(!element->get_attribute("value"))
281 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"time"));
285 string val=element->get_attribute("value")->get_value();
287 return Time(val,canvas->rend_desc().get_frame_rate());
291 CanvasParser::parse_integer(xmlpp::Element *element)
293 assert(element->get_name()=="integer");
295 if(!element->get_children().empty())
296 warning(element, strprintf(_("<%s> should not contain anything"),"integer"));
298 if(!element->get_attribute("value"))
300 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"integer"));
304 string val=element->get_attribute("value")->get_value();
306 return atoi(val.c_str());
309 // see 'minor hack' at the end of parse_vector() below
310 // making this 'static' to give it file local scope
311 // stops it working (where working means working around
313 Vector &canvas_parser_vector_id(Vector &vector)
319 CanvasParser::parse_vector(xmlpp::Element *element)
321 assert(element->get_name()=="vector");
323 if(element->get_children().empty())
325 error(element, "Undefined value in <vector>");
331 xmlpp::Element::NodeList list = element->get_children();
332 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
334 xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
338 if(child->get_name()=="x")
340 if(child->get_children().empty())
342 error(element, "Undefined value in <x>");
345 vect[0]=atof(child->get_child_text()->get_content().c_str());
348 if(child->get_name()=="y")
350 if(child->get_children().empty())
352 error(element, "Undefined value in <y>");
355 vect[1]=atof(child->get_child_text()->get_content().c_str());
358 error_unexpected_element(child,child->get_name());
360 // Minor hack - gcc 4.1.2 and earlier think that we're not using
361 // 'vect' and optimize it out at -O2 and higher. This convinces
362 // them that we are really using it.
363 return canvas_parser_vector_id(vect);
364 // When the bug is fixed, we can just do this instead:
369 CanvasParser::parse_color(xmlpp::Element *element)
371 assert(element->get_name()=="color");
373 if(element->get_children().empty())
375 error(element, "Undefined value in <color>");
381 xmlpp::Element::NodeList list = element->get_children();
382 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
384 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
388 if(child->get_name()=="r")
390 if(child->get_children().empty())
392 error(element, "Undefined value in <r>");
395 color.set_r(atof(child->get_child_text()->get_content().c_str()));
398 if(child->get_name()=="g")
400 if(child->get_children().empty())
402 error(element, "Undefined value in <g>");
405 color.set_g(atof(child->get_child_text()->get_content().c_str()));
408 if(child->get_name()=="b")
410 if(child->get_children().empty())
412 error(element, "Undefined value in <b>");
415 color.set_b(atof(child->get_child_text()->get_content().c_str()));
418 if(child->get_name()=="a")
420 if(child->get_children().empty())
422 error(element, "Undefined value in <a>");
425 color.set_a(atof(child->get_child_text()->get_content().c_str()));
428 error_unexpected_element(child,child->get_name());
435 CanvasParser::parse_string(xmlpp::Element *element)
437 assert(element->get_name()=="string");
439 if(element->get_children().empty())
441 warning(element, "Undefined value in <string>");
442 return synfig::String();
445 if(element->get_child_text()->get_content().empty())
447 warning(element, "Content element of <string> appears to be empty");
448 return synfig::String();
451 return element->get_child_text()->get_content();
455 CanvasParser::parse_bool(xmlpp::Element *element)
457 assert(element->get_name()=="bool");
459 if(!element->get_children().empty())
460 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
462 if(!element->get_attribute("value"))
464 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
468 string val=element->get_attribute("value")->get_value();
470 if(val=="true" || val=="1")
472 if(val=="false" || val=="0")
475 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
481 CanvasParser::parse_gradient(xmlpp::Element *node)
483 assert(node->get_name()=="gradient");
486 xmlpp::Element::NodeList list = node->get_children();
487 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
489 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
494 Gradient::CPoint cpoint;
495 cpoint.color=parse_color(child);
497 if(!child->get_attribute("pos"))
499 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
503 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
505 ret.push_back(cpoint);
513 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
515 vector<ValueBase> value_list;
517 xmlpp::Element::NodeList list = element->get_children();
518 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
520 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
525 value_list.push_back(parse_value(child,canvas));
526 if(!value_list.back().is_valid())
528 value_list.pop_back();
529 error(child,"Bad ValueBase");
538 CanvasParser::parse_segment(xmlpp::Element *element)
540 assert(element->get_name()=="segment");
542 if(element->get_children().empty())
544 error(element, "Undefined value in <segment>");
550 xmlpp::Element::NodeList list = element->get_children();
551 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
553 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
557 if(child->get_name()=="p1")
559 xmlpp::Element::NodeList list = child->get_children();
560 xmlpp::Element::NodeList::iterator iter;
562 // Search for the first non-text XML element
563 for(iter = list.begin(); iter != list.end(); ++iter)
564 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
568 error(element, "Undefined value in <p1>");
572 if((*iter)->get_name()!="vector")
574 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
578 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
581 if(child->get_name()=="t1")
583 xmlpp::Element::NodeList list = child->get_children();
584 xmlpp::Element::NodeList::iterator iter;
586 // Search for the first non-text XML element
587 for(iter = list.begin(); iter != list.end(); ++iter)
588 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
592 error(element, "Undefined value in <t1>");
596 if((*iter)->get_name()!="vector")
598 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
602 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
605 if(child->get_name()=="p2")
607 xmlpp::Element::NodeList list = child->get_children();
608 xmlpp::Element::NodeList::iterator iter;
610 // Search for the first non-text XML element
611 for(iter = list.begin(); iter != list.end(); ++iter)
612 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
616 error(element, "Undefined value in <p2>");
620 if((*iter)->get_name()!="vector")
622 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
626 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
629 if(child->get_name()=="t2")
631 xmlpp::Element::NodeList list = child->get_children();
632 xmlpp::Element::NodeList::iterator iter;
634 // Search for the first non-text XML element
635 for(iter = list.begin(); iter != list.end(); ++iter)
636 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
640 error(element, "Undefined value in <t2>");
644 if((*iter)->get_name()!="vector")
646 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
650 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
653 error_unexpected_element(child,child->get_name());
659 CanvasParser::parse_bline_point(xmlpp::Element *element)
661 assert(element->get_name()=="bline_point");
662 if(element->get_children().empty())
664 error(element, "Undefined value in <bline_point>");
669 ret.set_split_tangent_flag(false);
671 xmlpp::Element::NodeList list = element->get_children();
672 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
674 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
679 if(child->get_name()[0]=='v' || child->get_name()=="p1")
681 xmlpp::Element::NodeList list = child->get_children();
682 xmlpp::Element::NodeList::iterator iter;
684 // Search for the first non-text XML element
685 for(iter = list.begin(); iter != list.end(); ++iter)
686 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
690 error(element, "Undefined value in <vertex>");
694 if((*iter)->get_name()!="vector")
696 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
700 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
704 if(child->get_name()=="t1" || child->get_name()=="tangent")
706 xmlpp::Element::NodeList list = child->get_children();
707 xmlpp::Element::NodeList::iterator iter;
709 // Search for the first non-text XML element
710 for(iter = list.begin(); iter != list.end(); ++iter)
711 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
715 error(element, "Undefined value in <t1>");
719 if((*iter)->get_name()!="vector")
721 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
725 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
729 if(child->get_name()=="t2")
731 xmlpp::Element::NodeList list = child->get_children();
732 xmlpp::Element::NodeList::iterator iter;
734 // Search for the first non-text XML element
735 for(iter = list.begin(); iter != list.end(); ++iter)
736 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
740 error(element, "Undefined value in <t2>");
744 if((*iter)->get_name()!="vector")
746 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
750 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
751 ret.set_split_tangent_flag(true);
755 if(child->get_name()=="width")
757 xmlpp::Element::NodeList list = child->get_children();
758 xmlpp::Element::NodeList::iterator iter;
760 // Search for the first non-text XML element
761 for(iter = list.begin(); iter != list.end(); ++iter)
762 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
766 error(element, "Undefined value in <width>");
770 if((*iter)->get_name()!="real")
772 error_unexpected_element((*iter),(*iter)->get_name(),"real");
776 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
780 if(child->get_name()=="origin")
782 xmlpp::Element::NodeList list = child->get_children();
783 xmlpp::Element::NodeList::iterator iter;
785 // Search for the first non-text XML element
786 for(iter = list.begin(); iter != list.end(); ++iter)
787 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
791 error(element, "Undefined value in <origin>");
795 if((*iter)->get_name()!="real")
797 error_unexpected_element((*iter),(*iter)->get_name(),"real");
801 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
804 error_unexpected_element(child,child->get_name());
810 CanvasParser::parse_angle(xmlpp::Element *element)
812 assert(element->get_name()=="angle");
814 if(!element->get_children().empty())
815 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
817 if(!element->get_attribute("value"))
819 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
823 string val=element->get_attribute("value")->get_value();
825 return Angle::deg(atof(val.c_str()));
829 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
831 if(element->get_name()=="real")
832 return parse_real(element);
834 if(element->get_name()=="time")
835 return parse_time(element,canvas);
837 if(element->get_name()=="integer")
838 return parse_integer(element);
840 if(element->get_name()=="string")
841 return parse_string(element);
843 if(element->get_name()=="vector")
844 return parse_vector(element);
846 if(element->get_name()=="color")
847 return parse_color(element);
849 if(element->get_name()=="segment")
850 return parse_segment(element);
852 if(element->get_name()=="list")
853 return parse_list(element,canvas);
855 if(element->get_name()=="gradient")
856 return parse_gradient(element);
858 if(element->get_name()=="bool")
859 return parse_bool(element);
861 //if(element->get_name()=="canvas")
862 // return parse_canvas(element,canvas,true); // inline canvas
864 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
865 return parse_angle(element);
867 if(element->get_name()=="bline_point")
868 return parse_bline_point(element);
870 if(element->get_name()=="canvas")
871 return ValueBase(parse_canvas(element,canvas,true));
874 error_unexpected_element(element,element->get_name());
883 ValueNode_Animated::Handle
884 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
886 assert(element->get_name()=="hermite" || element->get_name()=="animated");
888 if(!element->get_attribute("type"))
890 error(element,"Missing attribute \"type\" in <animated>");
891 return ValueNode_Animated::Handle();
894 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
898 error(element,"Bad type in <animated>");
899 return ValueNode_Animated::Handle();
902 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
906 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_local_name(type).c_str()));
907 return ValueNode_Animated::Handle();
910 value_node->set_root_canvas(canvas->get_root());
912 xmlpp::Element::NodeList list = element->get_children();
913 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
915 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
919 if(child->get_name()=="waypoint")
921 if(!child->get_attribute("time"))
923 error(child,_("<waypoint> is missing attribute \"time\""));
927 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
930 ValueNode::Handle waypoint_value_node;
931 xmlpp::Element::NodeList list = child->get_children();
933 if(child->get_attribute("use"))
936 warning(child,_("Found \"use\" attribute for <waypoint>, but it wasn't empty. Ignoring contents..."));
938 // the waypoint might look like this, in which case we won't find "mycanvas" in the list of valuenodes, 'cos it's a canvas
940 // <animated type="canvas">
941 // <waypoint time="0s" use="mycanvas"/>
943 if (type==ValueBase::TYPE_CANVAS)
946 waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value(), warnings));
947 warnings_text += warnings;
950 waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
954 if(child->get_children().empty())
956 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
960 xmlpp::Element::NodeList::iterator iter;
962 // Search for the first non-text XML element
963 for(iter = list.begin(); iter != list.end(); ++iter)
964 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
968 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
972 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
975 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
979 error(child,_("Bad data for <waypoint>"));
983 if(!waypoint_value_node)
985 error(child,_("Bad data for <waypoint>"));
989 /*! HACK -- This is a temporary fix to help repair some
990 ** weirdness that is currently going on (10-21-2004).
991 ** This short circuits the linking of waypoints,
992 ** a feature which is so obscure that we can get
993 ** away with something like this pretty easily.
995 waypoint_value_node=waypoint_value_node->clone();
997 // Warn if there is trash after the param value
998 for(iter++; iter != list.end(); ++iter)
999 if(dynamic_cast<xmlpp::Element*>(*iter))
1000 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
1005 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
1007 if(child->get_attribute("tension"))
1009 synfig::String str(child->get_attribute("tension")->get_value());
1010 waypoint->set_tension(atof(str.c_str()));
1012 if(child->get_attribute("temporal-tension"))
1014 synfig::String str(child->get_attribute("temporal-tension")->get_value());
1015 waypoint->set_temporal_tension(atof(str.c_str()));
1017 if(child->get_attribute("continuity"))
1019 synfig::String str(child->get_attribute("continuity")->get_value());
1020 waypoint->set_continuity(atof(str.c_str()));
1022 if(child->get_attribute("bias"))
1024 synfig::String str(child->get_attribute("bias")->get_value());
1025 waypoint->set_bias(atof(str.c_str()));
1028 if(child->get_attribute("before"))
1030 string val=child->get_attribute("before")->get_value();
1032 waypoint->set_before(INTERPOLATION_HALT);
1033 else if(val=="constant")
1034 waypoint->set_before(INTERPOLATION_CONSTANT);
1035 else if(val=="linear")
1036 waypoint->set_before(INTERPOLATION_LINEAR);
1037 else if(val=="manual")
1038 waypoint->set_before(INTERPOLATION_MANUAL);
1039 else if(val=="auto")
1040 waypoint->set_before(INTERPOLATION_TCB);
1042 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1045 if(child->get_attribute("after"))
1047 string val=child->get_attribute("after")->get_value();
1049 waypoint->set_after(INTERPOLATION_HALT);
1050 else if(val=="constant")
1051 waypoint->set_after(INTERPOLATION_CONSTANT);
1052 else if(val=="linear")
1053 waypoint->set_after(INTERPOLATION_LINEAR);
1054 else if(val=="manual")
1055 waypoint->set_after(INTERPOLATION_MANUAL);
1056 else if(val=="auto")
1057 waypoint->set_after(INTERPOLATION_TCB);
1059 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1062 catch(Exception::BadTime x)
1064 warning(child,x.what());
1070 error_unexpected_element(child,child->get_name());
1073 // in canvas version 0.1, angles used to wrap, so to get from -179
1074 // degrees to 180 degrees meant a 1 degree change
1075 // in canvas version 0.2 they don't, so that's a 359 degree change
1077 // when loading a version 0.1 canvas, modify constant angle
1078 // waypoints to that they are within 180 degrees of the previous
1080 if (type == ValueBase::TYPE_ANGLE)
1082 if (canvas->get_version() == "0.1")
1085 Real angle, prev = 0;
1086 WaypointList &wl = value_node->waypoint_list();
1087 for (WaypointList::iterator iter = wl.begin(); iter != wl.end(); iter++)
1089 angle = Angle::deg(iter->get_value(iter->get_time()).get(Angle())).get();
1092 else if (iter->get_value_node()->get_name() == "constant")
1094 if (angle - prev > 180)
1096 while (angle - prev > 180) angle -= 360;
1097 iter->set_value(Angle::deg(angle));
1099 else if (prev - angle > 180)
1101 while (prev - angle > 180) angle += 360;
1102 iter->set_value(Angle::deg(angle));
1110 value_node->changed();
1114 etl::handle<LinkableValueNode>
1115 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1117 // Determine the type
1118 if(!element->get_attribute("type"))
1120 error(element, strprintf(_("Missing attribute \"type\" in <%s>"), element->get_name().c_str()));
1124 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1128 error(element, strprintf(_("Bad type in <%s>"), element->get_name().c_str()));
1132 handle<LinkableValueNode> value_node=LinkableValueNode::create(element->get_name(),type);
1133 handle<ValueNode> c[value_node->link_count()];
1137 error(element, strprintf(_("Error creating ValueNode <%s> with type '%s'. Refer to '%s'"),
1138 element->get_name().c_str(),
1139 ValueBase::type_local_name(type).c_str(),
1140 VALUENODE_COMPATIBILITY_URL));
1144 if(value_node->get_type()!=type)
1146 error(element, strprintf(_("<%s> did not accept type '%s'"),
1147 element->get_name().c_str(),
1148 ValueBase::type_local_name(type).c_str()));
1152 value_node->set_root_canvas(canvas->get_root());
1154 // handle exported valuenodes
1158 xmlpp::Element::AttributeList attrib_list(element->get_attributes());
1159 for(xmlpp::Element::AttributeList::iterator iter = attrib_list.begin(); iter != attrib_list.end(); iter++)
1161 name = (*iter)->get_name();
1162 id = (*iter)->get_value();
1164 if (name == "guid" || name == "id" || name == "type")
1168 index = value_node->get_link_index_from_name(name);
1172 error(element,strprintf(_("'%s' was already defined in <%s>"),
1174 element->get_name().c_str()));
1178 c[index] = canvas->surefind_value_node(id);
1182 error(element, strprintf(_("'%s' attribute in <%s> references unknown ID '%s'"),
1184 element->get_name().c_str(),
1189 if(!value_node->set_link(index, c[index]))
1191 error(element, strprintf(_("Unable to set link '\"%s\" to ValueNode \"%s\" (link #%d in \"%s\")"),
1192 value_node->link_name(index).c_str(),
1195 element->get_name().c_str()));
1199 // printf(" <%s> set link %d (%s) using exported value\n", element->get_name().c_str(), index, name.c_str());
1201 catch (Exception::BadLinkName)
1203 warning(element, strprintf("Bad link name '%s'", name.c_str()));
1205 catch(Exception::IDNotFound)
1207 error(element,"Unable to resolve " + id);
1209 catch(Exception::FileNotFound)
1211 error(element,"Unable to open file referenced in " + id);
1215 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""), id.c_str()));
1221 // handle inline valuenodes
1225 xmlpp::Element::NodeList list = element->get_children();
1226 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1228 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1234 child_name = child->get_name();
1236 index = value_node->get_link_index_from_name(child_name);
1240 error(child, strprintf(_("'%s' was already defined in <%s>"),
1242 element->get_name().c_str()));
1246 xmlpp::Element::NodeList list = child->get_children();
1247 xmlpp::Element::NodeList::iterator iter;
1249 // Search for the first non-text XML element
1250 for(iter = list.begin(); iter != list.end(); ++iter)
1251 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1253 if(iter==list.end())
1255 error(child,strprintf(_("element <%s> is missing its contents"),
1256 child_name.c_str()));
1260 c[index]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1264 error((*iter),strprintf(_("Parse of '%s' failed"),
1265 child_name.c_str()));
1269 if(!value_node->set_link(index,c[index]))
1271 error(child,strprintf(_("Unable to connect value node ('%s' of type '%s') to link %d (%s)"),
1272 c[index]->get_name().c_str(),
1273 ValueBase::type_local_name(c[index]->get_type()).c_str(),
1275 value_node->link_name(index).c_str()));
1279 // \todo do a search for more elements and warn if they are found
1281 // printf(" <%s> set link %d (%s) using inline value\n", element->get_name().c_str(), index, child_name.c_str());
1283 catch(Exception::BadLinkName)
1285 warning(child, strprintf("Bad link name for <%s>", element->get_name().c_str()));
1289 error(child, strprintf(_("Unknown Exception thrown when working on element \"%s\""),child_name.c_str()));
1295 String version(canvas->get_version());
1296 for (int i = 0; i < value_node->link_count(); i++)
1300 // the 'width' parameter of <stripes> wasn't always present in version 0.1 canvases
1301 if (version == "0.1" && element->get_name() == "stripes" && value_node->link_name(i) == "width")
1304 // these 3 blinecalctangent parameters didn't appear until canvas version 0.5
1305 if ((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4") &&
1306 element->get_name() == "blinecalctangent" &&
1307 (value_node->link_name(i) == "offset" ||
1308 value_node->link_name(i) == "scale" ||
1309 value_node->link_name(i) == "fixed_length"))
1312 // 'scale' was added while canvas version 0.5 was in use
1313 if ((version == "0.3" || version == "0.4" || version == "0.5") &&
1314 element->get_name() == "blinecalcwidth" &&
1315 value_node->link_name(i) == "scale")
1318 // 'loop' was added while canvas version 0.5 was in use, as was the 'gradientcolor' node type
1319 if (version == "0.5" &&
1320 element->get_name() == "gradientcolor" &&
1321 value_node->link_name(i) == "loop")
1324 // 'loop' was added while canvas version 0.6 was in use; the 'random' node was added back when 0.1 was in use
1325 if ((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4" || version == "0.5" || version == "0.6") &&
1326 element->get_name() == "random" &&
1327 value_node->link_name(i) == "loop")
1330 error(element, strprintf(_("<%s> is missing link %d (%s)"),
1331 element->get_name().c_str(),
1333 value_node->link_name(i).c_str()));
1338 // pre 0.4 canvases had *calctangent outputs scaled down by 0.5 for some reason
1339 if (element->get_name() == "blinecalctangent" || element->get_name() == "segcalctangent")
1341 if (version == "0.1" || version == "0.2" || version == "0.3")
1343 handle<LinkableValueNode> scale_value_node=LinkableValueNode::create("scale",type);
1344 scale_value_node->set_link("link", value_node);
1345 scale_value_node->set_link("scalar", ValueNode_Const::create(Real(0.5)));
1346 value_node = scale_value_node;
1353 // This will also parse a bline
1354 handle<ValueNode_DynamicList>
1355 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1357 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1359 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1361 if(!element->get_attribute("type"))
1363 error(element,"Missing attribute \"type\" in <dynamic_list>");
1364 return handle<ValueNode_DynamicList>();
1367 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1371 error(element,"Bad type in <dynamic_list>");
1372 return handle<ValueNode_DynamicList>();
1375 handle<ValueNode_DynamicList> value_node;
1376 handle<ValueNode_BLine> bline_value_node;
1378 if(element->get_name()=="bline")
1380 value_node=bline_value_node=ValueNode_BLine::create();
1381 if(element->get_attribute("loop"))
1383 String loop=element->get_attribute("loop")->get_value();
1384 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1385 bline_value_node->set_loop(true);
1387 bline_value_node->set_loop(false);
1392 value_node=ValueNode_DynamicList::create(type);
1396 error(element,strprintf(_("Unable to create <dynamic_list>")));
1397 return handle<ValueNode_DynamicList>();
1400 value_node->set_root_canvas(canvas->get_root());
1402 xmlpp::Element::NodeList list = element->get_children();
1403 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1405 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1409 if(child->get_name()=="entry")
1411 ValueNode_DynamicList::ListEntry list_entry;
1413 // Parse begin/end waypoints
1415 typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1416 typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1418 String begin_sequence;
1419 String end_sequence;
1421 ActivepointList &timing_info(list_entry.timing_info);
1423 if(child->get_attribute("begin"))
1424 begin_sequence=child->get_attribute("begin")->get_value();
1426 if(child->get_attribute("on"))
1427 begin_sequence=child->get_attribute("on")->get_value();
1429 if(child->get_attribute("end"))
1430 end_sequence=child->get_attribute("end")->get_value();
1432 if(child->get_attribute("off"))
1433 end_sequence=child->get_attribute("off")->get_value();
1435 // clear out any auto-start
1436 if(!begin_sequence.empty())
1437 timing_info.clear();
1440 while(!begin_sequence.empty())
1442 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1443 String timecode(begin_sequence.begin(), iter);
1446 // skip whitespace before checking for a priority
1447 while (isspace(timecode[0]))
1448 timecode=timecode.substr(1);
1450 // If there is a priority, then grab it and remove
1451 // it from the timecode
1452 if(timecode[0]=='p')
1454 //priority=timecode[1]-'0';
1455 //timecode=String(timecode.begin()+3,timecode.end());
1456 int space=timecode.find_first_of(' ');
1457 priority=atoi(String(timecode,1,space-1).c_str());
1458 timecode=String(timecode.begin()+space+1,timecode.end());
1459 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1462 timing_info.push_back(
1468 true, // Mark as a "on" activepoint
1473 if(iter==begin_sequence.end())
1474 begin_sequence.clear();
1476 begin_sequence=String(iter+1,begin_sequence.end());
1480 while(!end_sequence.empty())
1482 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1483 String timecode(end_sequence.begin(), iter);
1486 // skip whitespace before checking for a priority
1487 while (isspace(timecode[0]))
1488 timecode=timecode.substr(1);
1490 // If there is a priority, then grab it and remove
1491 // it from the timecode
1492 if(timecode[0]=='p')
1494 //priority=timecode[1]-'0';
1495 //timecode=String(timecode.begin()+3,timecode.end());
1496 int space=timecode.find_first_of(' ');
1497 priority=atoi(String(timecode,1,space-1).c_str());
1498 timecode=String(timecode.begin()+space+1,timecode.end());
1499 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1502 timing_info.push_back(
1508 false, // Mark as a "off" activepoint
1512 if(iter==end_sequence.end())
1513 end_sequence.clear();
1515 end_sequence=String(iter+1,end_sequence.end());
1521 if(child->get_attribute("use"))
1523 // \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
1524 string id=child->get_attribute("use")->get_value();
1527 list_entry.value_node=canvas->surefind_value_node(id);
1529 catch(Exception::IDNotFound)
1531 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1537 xmlpp::Element::NodeList list = child->get_children();
1538 xmlpp::Element::NodeList::iterator iter;
1540 // Search for the first non-text XML element
1541 for(iter = list.begin(); iter != list.end(); ++iter)
1542 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1544 if(iter==list.end())
1546 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1550 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1552 if(!list_entry.value_node)
1553 error((*iter),"Parse of ValueNode failed");
1555 // \todo do a search for more elements and warn if they are found
1559 value_node->add(list_entry);
1560 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1563 error_unexpected_element(child,child->get_name());
1569 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1571 handle<ValueNode> value_node;
1576 if(element->get_attribute("guid"))
1578 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1579 value_node=guid_cast<ValueNode>(guid);
1584 // If ValueBase::ident_type() recognizes the name, then we know it's a ValueBase
1585 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1587 ValueBase data=parse_value(element,canvas);
1589 if(!data.is_valid())
1591 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1595 // We want to convert this ValueBase into a
1596 // ValueNode_Const. That way, we can treat the
1597 // ID like any other Datanode. Think of this
1598 // as a shorthand for creating constant ValueNodes.
1600 value_node=ValueNode_Const::create(data);
1603 if(element->get_name()=="hermite" || element->get_name()=="animated")
1604 value_node=parse_animated(element,canvas);
1606 if(element->get_name()=="dynamic_list")
1607 value_node=parse_dynamic_list(element,canvas);
1609 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1610 value_node=parse_dynamic_list(element,canvas);
1612 if(LinkableValueNode::book().count(element->get_name()))
1614 value_node=parse_linkable_value_node(element,canvas);
1615 if (!value_node) value_node = PlaceholderValueNode::create();
1618 if(element->get_name()=="canvas")
1619 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1622 error_unexpected_element(element,element->get_name());
1623 error(element, strprintf(_("Expected a ValueNode. Refer to '%s'"),
1624 VALUENODE_COMPATIBILITY_URL));
1625 value_node=PlaceholderValueNode::create();
1628 value_node->set_root_canvas(canvas->get_root());
1630 // If we were successful, and our element has
1631 // an ID attribute, go ahead and add it to the
1633 if(value_node && element->get_attribute("id"))
1635 string id=element->get_attribute("id")->get_value();
1637 //value_node->set_id(id);
1639 // If there is already a value_node in the list
1640 // with the same ID, then that is an error
1641 try { canvas->add_value_node(value_node,id); }
1642 catch(Exception::BadLinkName)
1644 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1647 catch(Exception::IDAlreadyExists)
1649 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1654 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1658 value_node->set_guid(guid);
1663 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1665 assert(element->get_name()=="defs");
1666 xmlpp::Element::NodeList list = element->get_children();
1667 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1669 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1673 if(child->get_name()=="canvas")
1674 parse_canvas(child, canvas);
1676 parse_value_node(child,canvas);
1681 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1684 assert(element->get_name()=="layer");
1685 Layer::Handle layer;
1687 if(!element->get_attribute("type"))
1689 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1690 return Layer::Handle();
1693 layer=Layer::create(element->get_attribute("type")->get_value());
1694 layer->set_canvas(canvas);
1696 if(element->get_attribute("group"))
1698 layer->add_to_group(
1699 element->get_attribute("group")->get_value()
1703 // Handle the version attribute
1704 if(element->get_attribute("version"))
1706 String version(element->get_attribute("version")->get_value());
1707 if(version>layer->get_version())
1708 warning(element,_("Installed layer version is smaller than layer version in file"));
1709 if(version!=layer->get_version())
1710 layer->set_version(version);
1713 // Handle the description
1714 if(element->get_attribute("desc"))
1715 layer->set_description(element->get_attribute("desc")->get_value());
1717 if(element->get_attribute("active"))
1718 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1720 xmlpp::Element::NodeList list = element->get_children();
1721 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1723 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1727 if(child->get_name()=="name")
1728 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1730 if(child->get_name()=="desc")
1731 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1733 if(child->get_name()=="param")
1735 xmlpp::Element::NodeList list = child->get_children();
1737 if(!child->get_attribute("name"))
1739 error(child,_("Missing \"name\" attribute for <param>."));
1743 String param_name=child->get_attribute("name")->get_value();
1745 // SVN r2013 and r2014 renamed all 'pos' and 'offset' parameters to 'origin'
1746 // 'pos' and 'offset' will appear in old .sif files; handle them correctly
1747 if (param_name == "pos" || param_name == "offset")
1748 param_name = "origin";
1750 if(child->get_attribute("use"))
1752 // If the "use" attribute is used, then the
1753 // element should be empty. Warn the user if
1754 // we find otherwise.
1756 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1758 String str= child->get_attribute("use")->get_value();
1761 error(child,_("Empty use=\"\" value in <param>"));
1762 else if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1765 Canvas::Handle c(canvas->surefind_canvas(str, warnings));
1766 warnings_text += warnings;
1767 if(!c) error((*iter),strprintf(_("Failed to load subcanvas '%s'"), str.c_str()));
1768 if(!layer->set_param(param_name,c))
1769 error((*iter),_("Layer rejected canvas link"));
1774 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1776 // Assign the value_node to the dynamic parameter list
1777 if (param_name == "segment_list" && (layer->get_name() == "region" || layer->get_name() == "outline"))
1779 synfig::warning("%s: Updated valuenode connection to use the \"bline\" parameter instead of \"segment_list\".",
1780 layer->get_name().c_str());
1781 param_name = "bline";
1783 layer->connect_dynamic_param(param_name,value_node);
1785 catch(Exception::IDNotFound)
1787 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1793 xmlpp::Element::NodeList::iterator iter;
1795 // Search for the first non-text XML element
1796 for(iter = list.begin(); iter != list.end(); ++iter)
1797 if(dynamic_cast<xmlpp::Element*>(*iter))
1799 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1801 if(iter==list.end())
1803 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1807 // If we recognize the element name as a
1808 // ValueBase, then treat is at one
1809 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1811 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1813 if(!data.is_valid())
1815 error((*iter),_("Bad data for <param>"));
1819 // Set the layer's parameter, and make sure that
1820 // the layer liked it
1821 if(!layer->set_param(param_name,data))
1823 warning((*iter),strprintf(_("Layer '%s' rejected value for parameter '%s'"),
1824 element->get_attribute("type")->get_value().c_str(),
1825 param_name.c_str()));
1829 else // ... otherwise, we assume that it is a ValueNode
1831 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1835 error((*iter),_("Bad data for <param>"));
1839 // Assign the value_node to the dynamic parameter list
1840 layer->connect_dynamic_param(param_name,value_node);
1843 // Warn if there is trash after the param value
1844 for(iter++; iter != list.end(); ++iter)
1845 if(dynamic_cast<xmlpp::Element*>(*iter))
1846 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
1850 error_unexpected_element(child,child->get_name());
1853 layer->reset_version();
1858 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
1861 if(element->get_name()!="canvas")
1863 error_unexpected_element(element,element->get_name(),"canvas");
1864 return Canvas::Handle();
1866 Canvas::Handle canvas;
1870 if(parent && (element->get_attribute("id") || inline_))
1874 canvas=Canvas::create_inline(parent);
1881 canvas=parent->find_canvas(element->get_attribute("id")->get_value(), warnings);
1882 warnings_text += warnings;
1886 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
1889 canvas->rend_desc().clear_flags();
1893 canvas=Canvas::create();
1894 if(filename=="/dev/stdin")
1895 canvas->set_file_name("./stdin.sif");
1897 canvas->set_file_name(filename);
1898 canvas->rend_desc().clear_flags();
1901 if(element->get_attribute("guid"))
1903 GUID guid(element->get_attribute("guid")->get_value());
1904 if(guid_cast<Canvas>(guid))
1905 return guid_cast<Canvas>(guid);
1907 canvas->set_guid(guid);
1910 if(element->get_attribute("version"))
1911 canvas->set_version(element->get_attribute("version")->get_value());
1913 canvas->set_version(parent->get_version());
1915 if(element->get_attribute("width"))
1917 int width = atoi(element->get_attribute("width")->get_value().c_str());
1919 fatal_error(element, _("Canvas with width or height less than one is not allowed"));
1920 canvas->rend_desc().set_w(width);
1923 if(element->get_attribute("height"))
1925 int height = atoi(element->get_attribute("height")->get_value().c_str());
1927 fatal_error(element, _("Canvas with width or height less than one is not allowed"));
1928 canvas->rend_desc().set_h(height);
1931 if(element->get_attribute("xres"))
1932 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
1934 if(element->get_attribute("yres"))
1935 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
1938 if(element->get_attribute("fps"))
1939 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
1941 if(element->get_attribute("start-time"))
1942 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1944 if(element->get_attribute("begin-time"))
1945 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1947 if(element->get_attribute("end-time"))
1948 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1950 if(element->get_attribute("antialias"))
1951 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
1953 if(element->get_attribute("view-box"))
1955 string values=element->get_attribute("view-box")->get_value();
1959 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
1960 values=string(values.begin()+values.find(' ')+1,values.end());
1961 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
1962 values=string(values.begin()+values.find(' ')+1,values.end());
1963 br[0]=atof(string(values.data(),values.find(' ')).c_str());
1964 values=string(values.begin()+values.find(' ')+1,values.end());
1965 br[1]=atof(values.c_str());
1967 canvas->rend_desc().set_tl(tl);
1968 canvas->rend_desc().set_br(br);
1971 if(element->get_attribute("bgcolor"))
1973 string values=element->get_attribute("bgcolor")->get_value();
1976 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
1977 values=string(values.begin()+values.find(' ')+1,values.end());
1979 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
1980 values=string(values.begin()+values.find(' ')+1,values.end());
1982 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
1983 values=string(values.begin()+values.find(' ')+1,values.end());
1985 bg.set_a(atof(values.c_str()));
1987 canvas->rend_desc().set_bg_color(bg);
1990 if(element->get_attribute("focus"))
1992 string values=element->get_attribute("focus")->get_value();
1995 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
1996 values=string(values.begin()+values.find(' ')+1,values.end());
1997 focus[1]=atof(values.c_str());
1999 canvas->rend_desc().set_focus(focus);
2002 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
2004 xmlpp::Element::NodeList list = element->get_children();
2005 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2007 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
2010 if(child->get_name()=="defs")
2012 if(canvas->is_inline())
2013 error(child,_("Inline canvas cannot have a <defs> section"));
2014 parse_canvas_defs(child, canvas);
2017 if(child->get_name()=="keyframe")
2019 if(canvas->is_inline())
2021 warning(child,_("Inline canvas cannot have keyframes"));
2025 canvas->keyframe_list().add(parse_keyframe(child,canvas));
2026 canvas->keyframe_list().sync();
2029 if(child->get_name()=="meta")
2031 if(canvas->is_inline())
2033 warning(child,_("Inline canvases cannot have metadata"));
2037 String name,content;
2039 if(!child->get_attribute("name"))
2041 warning(child,_("<meta> must have a name"));
2045 if(!child->get_attribute("content"))
2047 warning(child,_("<meta> must have content"));
2051 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
2053 else if(child->get_name()=="name")
2055 xmlpp::Element::NodeList list = child->get_children();
2057 // If we don't have any name, warn
2059 warning(child,_("blank \"name\" entity"));
2062 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2063 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2064 canvas->set_name(tmp);
2067 if(child->get_name()=="desc")
2070 xmlpp::Element::NodeList list = child->get_children();
2072 // If we don't have any description, warn
2074 warning(child,_("blank \"desc\" entity"));
2077 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2078 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2079 canvas->set_description(tmp);
2082 if(child->get_name()=="author")
2085 xmlpp::Element::NodeList list = child->get_children();
2087 // If we don't have any description, warn
2089 warning(child,_("blank \"author\" entity"));
2092 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2093 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2094 canvas->set_author(tmp);
2097 if(child->get_name()=="layer")
2099 //if(canvas->is_inline())
2100 // canvas->push_front(parse_layer(child,canvas->parent()));
2102 canvas->push_front(parse_layer(child,canvas));
2105 error_unexpected_element(child,child->get_name());
2108 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2112 if(canvas->value_node_list().placeholder_count())
2115 for (ValueNodeList::const_iterator iter = canvas->value_node_list().begin(); iter != canvas->value_node_list().end(); iter++)
2116 if(PlaceholderValueNode::Handle::cast_dynamic(*iter))
2118 if (nodes != "") nodes += ", ";
2119 nodes += "'" + (*iter)->get_id() + "'";
2121 error(element,strprintf(_("Canvas '%s' has undefined %s: %s"),
2122 canvas->get_id().c_str(),
2123 canvas->value_node_list().placeholder_count() == 1 ? _("ValueNode") : _("ValueNodes"),
2127 canvas->set_version(CURRENT_CANVAS_VERSION);
2132 CanvasParser::register_canvas_in_map(Canvas::Handle canvas, String as)
2134 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2135 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2136 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2141 CanvasParser::show_canvas_map(String file, int line, String text)
2144 printf(" .-----\n | %s:%d %s\n", file.c_str(), line, text.c_str());
2145 std::map<synfig::String, etl::loose_handle<Canvas> > canvas_map(synfig::get_open_canvas_map());
2146 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
2147 for (iter = canvas_map.begin(); iter != canvas_map.end(); iter++)
2149 synfig::String first(iter->first);
2150 etl::loose_handle<Canvas> second(iter->second);
2151 printf(" | %40s : %lx (%d)\n", first.c_str(), ulong(&*second), second->count());
2153 printf(" `-----\n\n");
2158 CanvasParser::parse_from_file_as(const String &file_,const String &as_,String &errors)
2160 ChangeLocale change_locale(LC_NUMERIC, "C");
2161 String file(unix_to_local_path(file_));
2162 String as(unix_to_local_path(as_));
2166 if(get_open_canvas_map().count(etl::absolute_path(as)))
2167 return get_open_canvas_map()[etl::absolute_path(as)];
2171 xmlpp::DomParser parser(file);
2174 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2175 if (!canvas) return canvas;
2176 register_canvas_in_map(canvas, as);
2178 const ValueNodeList& value_node_list(canvas->value_node_list());
2181 ValueNodeList::const_iterator iter;
2182 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2184 ValueNode::Handle value_node(*iter);
2185 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2187 canvas->remove_value_node(value_node);
2195 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2196 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2197 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2198 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2199 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2200 catch(xmlpp::internal_error x)
2202 if (!strcmp(x.what(), "Couldn't create parsing context"))
2203 throw runtime_error(String(" * ") + _("Can't open file") + " \"" + file + "\"");
2206 catch(const std::exception& ex)
2208 synfig::error("Standard Exception: "+String(ex.what()));
2210 return Canvas::Handle();
2212 catch(const String& str)
2215 // synfig::error(str);
2217 return Canvas::Handle();
2219 return Canvas::Handle();
2223 CanvasParser::parse_as(xmlpp::Element* node,String &errors)
2225 ChangeLocale change_locale(LC_NUMERIC, "C");
2231 Canvas::Handle canvas(parse_canvas(node,0,false,""));
2232 if (!canvas) return canvas;
2234 const ValueNodeList& value_node_list(canvas->value_node_list());
2237 ValueNodeList::const_iterator iter;
2238 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2240 ValueNode::Handle value_node(*iter);
2241 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2243 canvas->remove_value_node(value_node);
2251 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2252 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2253 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2254 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2255 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2256 catch(xmlpp::internal_error x)
2258 if (!strcmp(x.what(), "Couldn't create parsing context"))
2259 throw runtime_error(String(" * ") + _("Can't open file") + " \"" + "\"");
2262 catch(const std::exception& ex)
2264 synfig::error("Standard Exception: "+String(ex.what()));
2266 return Canvas::Handle();
2268 catch(const String& str)
2272 return Canvas::Handle();
2274 return Canvas::Handle();
2278 synfig::open_canvas(xmlpp::Element* node,String &errors,String &warnings){
2279 Canvas::Handle canvas;
2280 CanvasParser parser;
2281 parser.set_allow_errors(true);
2284 canvas=parser.parse_as(node,errors);
2288 synfig::error("open canvas of a node");
2292 warnings = parser.get_warnings_text();
2294 if(parser.error_count())
2296 errors = parser.get_errors_text();
2297 return Canvas::Handle();