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
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
36 #include <ETL/stringf>
37 #include <libxml++/libxml++.h>
42 #include "loadcanvas.h"
43 #include "valuenode.h"
44 #include "valuenode_subtract.h"
45 #include "valuenode_animated.h"
46 #include "valuenode_composite.h"
47 #include "valuenode_const.h"
48 #include "valuenode_linear.h"
49 #include "valuenode_dynamiclist.h"
50 #include "valuenode_reference.h"
51 #include "valuenode_scale.h"
52 #include "valuenode_timedswap.h"
53 #include "valuenode_twotone.h"
54 #include "valuenode_stripes.h"
55 #include "valuenode_segcalctangent.h"
56 #include "valuenode_segcalcvertex.h"
57 #include "valuenode_bline.h"
62 #include "exception.h"
67 #include <sigc++/bind.h>
71 /* === U S I N G =========================================================== */
74 using namespace synfig;
81 test_class() { assert(!bleh); bleh++; synfig::info("test_class: initi: %d",bleh); }
82 ~test_class() { assert(bleh); synfig::info("test_class: uninit: %d",bleh); bleh--; }
84 int test_class::bleh(0);
86 test_class test_class_instance;
89 /* === M A C R O S ========================================================= */
91 #define VALUENODE_COMPATIBILITY_URL "http://synfig.org/Convert#Compatibility"
93 inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
95 /* === P R O C E D U R E S ================================================= */
97 static std::map<String, Canvas::LooseHandle>* open_canvas_map_(0);
99 std::map<synfig::String, etl::loose_handle<Canvas> >& synfig::get_open_canvas_map()
101 if(!open_canvas_map_)
102 open_canvas_map_=new std::map<String, Canvas::LooseHandle>;
103 return *open_canvas_map_;
106 static void _remove_from_open_canvas_map(Canvas *x) { get_open_canvas_map().erase(etl::absolute_path(x->get_file_name())); }
108 static void _canvas_file_name_changed(Canvas *x)
110 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
112 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
115 assert(iter!=get_open_canvas_map().end());
116 if(iter==get_open_canvas_map().end())
118 get_open_canvas_map().erase(iter->first);
119 get_open_canvas_map()[etl::absolute_path(x->get_file_name())]=x;
124 synfig::open_canvas(const String &filename,String &errors)
126 return open_canvas_as(filename, filename, errors);
130 synfig::open_canvas_as(const String &filename,const String &as,String &errors)
134 parser.set_allow_errors(true);
136 Canvas::Handle canvas=parser.parse_from_file_as(filename,as,errors);
138 if(parser.error_count())
140 errors = parser.get_errors_text();
141 return Canvas::Handle();
147 /* === M E T H O D S ======================================================= */
150 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got, const String &expected)
152 error(element,strprintf(_("Unexpected element <%s>, Expected <%s>"),got.c_str(),expected.c_str()));
156 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got)
158 error(element,strprintf(_("Unexpected element <%s>"),got.c_str()));
162 CanvasParser::warning(xmlpp::Node *element, const String &text)
164 string str=strprintf("%s:<%s>:%d: warning: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
165 //synfig::warning(str);
168 if(total_warnings_>=max_warnings_)
169 fatal_error(element, _("Too many warnings"));
173 CanvasParser::error(xmlpp::Node *element, const String &text)
175 string str=strprintf("%s:<%s>:%d: error: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
177 errors_text += " * " + str + "\n";
179 throw runtime_error(str);
181 // synfig::error(str);
185 CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
187 string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
188 throw runtime_error(str);
194 CanvasParser::parse_keyframe(xmlpp::Element *element,Canvas::Handle canvas)
196 assert(element->get_name()=="keyframe");
198 if(!element->get_attribute("time"))
200 error(element,strprintf(_("<%s> is missing \"%s\" attribute"),"real","time"));
204 Keyframe ret(Time(element->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate()));
207 if(element->get_children().empty())
210 if(element->get_child_text()->get_content().empty())
213 ret.set_description(element->get_child_text()->get_content());
220 CanvasParser::parse_real(xmlpp::Element *element)
222 assert(element->get_name()=="real");
224 if(!element->get_children().empty())
225 warning(element, strprintf(_("<%s> should not contain anything"),"real"));
227 if(!element->get_attribute("value"))
229 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"real"));
233 string val=element->get_attribute("value")->get_value();
235 return atof(val.c_str());
239 CanvasParser::parse_time(xmlpp::Element *element,Canvas::Handle canvas)
241 assert(element->get_name()=="time");
243 if(!element->get_children().empty())
244 warning(element, strprintf(_("<%s> should not contain anything"),"time"));
246 if(!element->get_attribute("value"))
248 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"time"));
252 string val=element->get_attribute("value")->get_value();
254 return Time(val,canvas->rend_desc().get_frame_rate());
258 CanvasParser::parse_integer(xmlpp::Element *element)
260 assert(element->get_name()=="integer");
262 if(!element->get_children().empty())
263 warning(element, strprintf(_("<%s> should not contain anything"),"integer"));
265 if(!element->get_attribute("value"))
267 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"integer"));
271 string val=element->get_attribute("value")->get_value();
273 return atoi(val.c_str());
276 // see 'minor hack' at the end of parse_vector() below
277 // making this 'static' to give it file local scope
278 // stops it working (where working means working around
280 Vector &canvas_parser_vector_id(Vector &vector)
286 CanvasParser::parse_vector(xmlpp::Element *element)
288 assert(element->get_name()=="vector");
290 if(element->get_children().empty())
292 error(element, "Undefined value in <vector>");
298 xmlpp::Element::NodeList list = element->get_children();
299 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
301 xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
305 if(child->get_name()=="x")
307 if(child->get_children().empty())
309 error(element, "Undefined value in <x>");
312 vect[0]=atof(child->get_child_text()->get_content().c_str());
315 if(child->get_name()=="y")
317 if(child->get_children().empty())
319 error(element, "Undefined value in <y>");
322 vect[1]=atof(child->get_child_text()->get_content().c_str());
325 error_unexpected_element(child,child->get_name());
327 // Minor hack - gcc 4.1.2 and earlier think that we're not using
328 // 'vect' and optimize it out at -O2 and higher. This convinces
329 // them that we are really using it.
330 return canvas_parser_vector_id(vect);
331 // When the bug is fixed, we can just do this instead:
336 CanvasParser::parse_color(xmlpp::Element *element)
338 assert(element->get_name()=="color");
340 if(element->get_children().empty())
342 error(element, "Undefined value in <color>");
348 xmlpp::Element::NodeList list = element->get_children();
349 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
351 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
355 if(child->get_name()=="r")
357 if(child->get_children().empty())
359 error(element, "Undefined value in <r>");
362 color.set_r(atof(child->get_child_text()->get_content().c_str()));
365 if(child->get_name()=="g")
367 if(child->get_children().empty())
369 error(element, "Undefined value in <g>");
372 color.set_g(atof(child->get_child_text()->get_content().c_str()));
375 if(child->get_name()=="b")
377 if(child->get_children().empty())
379 error(element, "Undefined value in <b>");
382 color.set_b(atof(child->get_child_text()->get_content().c_str()));
385 if(child->get_name()=="a")
387 if(child->get_children().empty())
389 error(element, "Undefined value in <a>");
392 color.set_a(atof(child->get_child_text()->get_content().c_str()));
395 error_unexpected_element(child,child->get_name());
402 CanvasParser::parse_string(xmlpp::Element *element)
404 assert(element->get_name()=="string");
406 if(element->get_children().empty())
408 warning(element, "Undefined value in <string>");
409 return synfig::String();
412 if(element->get_child_text()->get_content().empty())
414 warning(element, "Content element of <string> appears to be empty");
415 return synfig::String();
418 return element->get_child_text()->get_content();
422 CanvasParser::parse_bool(xmlpp::Element *element)
424 assert(element->get_name()=="bool");
426 if(!element->get_children().empty())
427 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
429 if(!element->get_attribute("value"))
431 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
435 string val=element->get_attribute("value")->get_value();
437 if(val=="true" || val=="1")
439 if(val=="false" || val=="0")
442 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
448 CanvasParser::parse_gradient(xmlpp::Element *node)
450 assert(node->get_name()=="gradient");
453 xmlpp::Element::NodeList list = node->get_children();
454 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
456 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
461 Gradient::CPoint cpoint;
462 cpoint.color=parse_color(child);
464 if(!child->get_attribute("pos"))
466 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
470 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
472 ret.push_back(cpoint);
480 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
482 vector<ValueBase> value_list;
484 xmlpp::Element::NodeList list = element->get_children();
485 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
487 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
492 value_list.push_back(parse_value(child,canvas));
493 if(!value_list.back().is_valid())
495 value_list.pop_back();
496 error(child,"Bad ValueBase");
505 CanvasParser::parse_segment(xmlpp::Element *element)
507 assert(element->get_name()=="segment");
509 if(element->get_children().empty())
511 error(element, "Undefined value in <segment>");
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));
524 if(child->get_name()=="p1")
526 xmlpp::Element::NodeList list = child->get_children();
527 xmlpp::Element::NodeList::iterator iter;
529 // Search for the first non-text XML element
530 for(iter = list.begin(); iter != list.end(); ++iter)
531 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
535 error(element, "Undefined value in <p1>");
539 if((*iter)->get_name()!="vector")
541 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
545 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
548 if(child->get_name()=="t1")
550 xmlpp::Element::NodeList list = child->get_children();
551 xmlpp::Element::NodeList::iterator iter;
553 // Search for the first non-text XML element
554 for(iter = list.begin(); iter != list.end(); ++iter)
555 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
559 error(element, "Undefined value in <t1>");
563 if((*iter)->get_name()!="vector")
565 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
569 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
572 if(child->get_name()=="p2")
574 xmlpp::Element::NodeList list = child->get_children();
575 xmlpp::Element::NodeList::iterator iter;
577 // Search for the first non-text XML element
578 for(iter = list.begin(); iter != list.end(); ++iter)
579 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
583 error(element, "Undefined value in <p2>");
587 if((*iter)->get_name()!="vector")
589 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
593 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
596 if(child->get_name()=="t2")
598 xmlpp::Element::NodeList list = child->get_children();
599 xmlpp::Element::NodeList::iterator iter;
601 // Search for the first non-text XML element
602 for(iter = list.begin(); iter != list.end(); ++iter)
603 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
607 error(element, "Undefined value in <t2>");
611 if((*iter)->get_name()!="vector")
613 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
617 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
620 error_unexpected_element(child,child->get_name());
626 CanvasParser::parse_bline_point(xmlpp::Element *element)
628 assert(element->get_name()=="bline_point");
629 if(element->get_children().empty())
631 error(element, "Undefined value in <bline_point>");
636 ret.set_split_tangent_flag(false);
638 xmlpp::Element::NodeList list = element->get_children();
639 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
641 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
646 if(child->get_name()[0]=='v' || child->get_name()=="p1")
648 xmlpp::Element::NodeList list = child->get_children();
649 xmlpp::Element::NodeList::iterator iter;
651 // Search for the first non-text XML element
652 for(iter = list.begin(); iter != list.end(); ++iter)
653 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
657 error(element, "Undefined value in <vertex>");
661 if((*iter)->get_name()!="vector")
663 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
667 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
671 if(child->get_name()=="t1" || child->get_name()=="tangent")
673 xmlpp::Element::NodeList list = child->get_children();
674 xmlpp::Element::NodeList::iterator iter;
676 // Search for the first non-text XML element
677 for(iter = list.begin(); iter != list.end(); ++iter)
678 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
682 error(element, "Undefined value in <t1>");
686 if((*iter)->get_name()!="vector")
688 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
692 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
696 if(child->get_name()=="t2")
698 xmlpp::Element::NodeList list = child->get_children();
699 xmlpp::Element::NodeList::iterator iter;
701 // Search for the first non-text XML element
702 for(iter = list.begin(); iter != list.end(); ++iter)
703 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
707 error(element, "Undefined value in <t2>");
711 if((*iter)->get_name()!="vector")
713 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
717 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
718 ret.set_split_tangent_flag(true);
722 if(child->get_name()=="width")
724 xmlpp::Element::NodeList list = child->get_children();
725 xmlpp::Element::NodeList::iterator iter;
727 // Search for the first non-text XML element
728 for(iter = list.begin(); iter != list.end(); ++iter)
729 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
733 error(element, "Undefined value in <width>");
737 if((*iter)->get_name()!="real")
739 error_unexpected_element((*iter),(*iter)->get_name(),"real");
743 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
747 if(child->get_name()=="origin")
749 xmlpp::Element::NodeList list = child->get_children();
750 xmlpp::Element::NodeList::iterator iter;
752 // Search for the first non-text XML element
753 for(iter = list.begin(); iter != list.end(); ++iter)
754 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
758 error(element, "Undefined value in <origin>");
762 if((*iter)->get_name()!="real")
764 error_unexpected_element((*iter),(*iter)->get_name(),"real");
768 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
771 error_unexpected_element(child,child->get_name());
777 CanvasParser::parse_angle(xmlpp::Element *element)
779 assert(element->get_name()=="angle");
781 if(!element->get_children().empty())
782 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
784 if(!element->get_attribute("value"))
786 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
790 string val=element->get_attribute("value")->get_value();
792 return Angle::deg(atof(val.c_str()));
796 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
798 if(element->get_name()=="real")
799 return parse_real(element);
801 if(element->get_name()=="time")
802 return parse_time(element,canvas);
804 if(element->get_name()=="integer")
805 return parse_integer(element);
807 if(element->get_name()=="string")
808 return parse_string(element);
810 if(element->get_name()=="vector")
811 return parse_vector(element);
813 if(element->get_name()=="color")
814 return parse_color(element);
816 if(element->get_name()=="segment")
817 return parse_segment(element);
819 if(element->get_name()=="list")
820 return parse_list(element,canvas);
822 if(element->get_name()=="gradient")
823 return parse_gradient(element);
825 if(element->get_name()=="bool")
826 return parse_bool(element);
828 //if(element->get_name()=="canvas")
829 // return parse_canvas(element,canvas,true); // inline canvas
831 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
832 return parse_angle(element);
834 if(element->get_name()=="bline_point")
835 return parse_bline_point(element);
837 if(element->get_name()=="canvas")
838 return ValueBase(parse_canvas(element,canvas,true));
841 error_unexpected_element(element,element->get_name());
850 ValueNode_Animated::Handle
851 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
853 assert(element->get_name()=="hermite" || element->get_name()=="animated");
855 if(!element->get_attribute("type"))
857 error(element,"Missing attribute \"type\" in <animated>");
858 return ValueNode_Animated::Handle();
861 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
865 error(element,"Bad type in <animated>");
866 return ValueNode_Animated::Handle();
869 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
873 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_local_name(type).c_str()));
874 return ValueNode_Animated::Handle();
877 value_node->set_root_canvas(canvas->get_root());
879 xmlpp::Element::NodeList list = element->get_children();
880 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
882 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
886 if(child->get_name()=="waypoint")
888 if(!child->get_attribute("time"))
890 error(child,_("<waypoint> is missing attribute \"time\""));
894 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
897 ValueNode::Handle waypoint_value_node;
898 xmlpp::Element::NodeList list = child->get_children();
900 if(child->get_attribute("use"))
903 warning(child,_("Found \"use\" attribute for <waypoint>, but it wasn't empty. Ignoring contents..."));
905 // the waypoint might look like this, in which case we won't find "mycanvas" in the list of valuenodes, 'cos it's a canvas
907 // <animated type="canvas">
908 // <waypoint time="0s" use="mycanvas"/>
910 if (type==ValueBase::TYPE_CANVAS)
911 waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value()));
913 waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
917 if(child->get_children().empty())
919 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
923 xmlpp::Element::NodeList::iterator iter;
925 // Search for the first non-text XML element
926 for(iter = list.begin(); iter != list.end(); ++iter)
927 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
931 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
935 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
938 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
942 error(child,_("Bad data for <waypoint>"));
946 if(!waypoint_value_node)
948 error(child,_("Bad data for <waypoint>"));
952 /*! HACK -- This is a temporary fix to help repair some
953 ** weirdness that is currently going on (10-21-2004).
954 ** This short circuits the linking of waypoints,
955 ** a feature which is so obscure that we can get
956 ** away with something like this pretty easily.
958 waypoint_value_node=waypoint_value_node->clone();
960 // Warn if there is trash after the param value
961 for(iter++; iter != list.end(); ++iter)
962 if(dynamic_cast<xmlpp::Element*>(*iter))
963 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
968 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
970 if(child->get_attribute("tension"))
972 synfig::String str(child->get_attribute("tension")->get_value());
973 waypoint->set_tension(atof(str.c_str()));
975 if(child->get_attribute("temporal-tension"))
977 synfig::String str(child->get_attribute("temporal-tension")->get_value());
978 waypoint->set_temporal_tension(atof(str.c_str()));
980 if(child->get_attribute("continuity"))
982 synfig::String str(child->get_attribute("continuity")->get_value());
983 waypoint->set_continuity(atof(str.c_str()));
985 if(child->get_attribute("bias"))
987 synfig::String str(child->get_attribute("bias")->get_value());
988 waypoint->set_bias(atof(str.c_str()));
991 if(child->get_attribute("before"))
993 string val=child->get_attribute("before")->get_value();
995 waypoint->set_before(INTERPOLATION_HALT);
996 else if(val=="constant")
997 waypoint->set_before(INTERPOLATION_CONSTANT);
998 else if(val=="linear")
999 waypoint->set_before(INTERPOLATION_LINEAR);
1000 else if(val=="manual")
1001 waypoint->set_before(INTERPOLATION_MANUAL);
1002 else if(val=="auto")
1003 waypoint->set_before(INTERPOLATION_TCB);
1005 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1008 if(child->get_attribute("after"))
1010 string val=child->get_attribute("after")->get_value();
1012 waypoint->set_after(INTERPOLATION_HALT);
1013 else if(val=="constant")
1014 waypoint->set_after(INTERPOLATION_CONSTANT);
1015 else if(val=="linear")
1016 waypoint->set_after(INTERPOLATION_LINEAR);
1017 else if(val=="manual")
1018 waypoint->set_after(INTERPOLATION_MANUAL);
1019 else if(val=="auto")
1020 waypoint->set_after(INTERPOLATION_TCB);
1022 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1025 catch(Exception::BadTime x)
1027 warning(child,x.what());
1033 error_unexpected_element(child,child->get_name());
1036 // in canvas version 0.1, angles used to wrap, so to get from -179
1037 // degrees to 180 degrees meant a 1 degree change
1038 // in canvas version 0.2 they don't, so that's a 359 degree change
1040 // when loading a version 0.1 canvas, modify constant angle
1041 // waypoints to that they are within 180 degrees of the previous
1043 if (type == ValueBase::TYPE_ANGLE)
1045 if (canvas->get_version() == "0.1")
1048 Real angle, prev = 0;
1049 WaypointList &wl = value_node->waypoint_list();
1050 for (WaypointList::iterator iter = wl.begin(); iter != wl.end(); iter++)
1052 angle = Angle::deg(iter->get_value(iter->get_time()).get(Angle())).get();
1055 else if (iter->get_value_node()->get_name() == "constant")
1057 if (angle - prev > 180)
1059 while (angle - prev > 180) angle -= 360;
1060 iter->set_value(Angle::deg(angle));
1062 else if (prev - angle > 180)
1064 while (prev - angle > 180) angle += 360;
1065 iter->set_value(Angle::deg(angle));
1073 value_node->changed();
1077 etl::handle<LinkableValueNode>
1078 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1080 // Determine the type
1081 if(!element->get_attribute("type"))
1083 error(element, strprintf(_("Missing attribute \"type\" in <%s>"), element->get_name().c_str()));
1087 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1091 error(element, strprintf(_("Bad type in <%s>"), element->get_name().c_str()));
1095 handle<LinkableValueNode> value_node=LinkableValueNode::create(element->get_name(),type);
1096 handle<ValueNode> c[value_node->link_count()];
1100 error(element, strprintf(_("Error creating ValueNode <%s> with type '%s'. Refer to '%s'"),
1101 element->get_name().c_str(),
1102 ValueBase::type_local_name(type).c_str(),
1103 VALUENODE_COMPATIBILITY_URL));
1107 if(value_node->get_type()!=type)
1109 error(element, strprintf(_("<%s> did not accept type '%s'"),
1110 element->get_name().c_str(),
1111 ValueBase::type_local_name(type).c_str()));
1115 value_node->set_root_canvas(canvas->get_root());
1117 // handle exported valuenodes
1121 xmlpp::Element::AttributeList attrib_list(element->get_attributes());
1122 for(xmlpp::Element::AttributeList::iterator iter = attrib_list.begin(); iter != attrib_list.end(); iter++)
1124 name = (*iter)->get_name();
1125 id = (*iter)->get_value();
1127 if (name == "guid" || name == "id" || name == "type")
1131 index = value_node->get_link_index_from_name(name);
1135 error(element,strprintf(_("'%s' was already defined in <%s>"),
1137 element->get_name().c_str()));
1141 c[index] = canvas->surefind_value_node(id);
1145 error(element, strprintf(_("'%s' attribute in <%s> references unknown ID '%s'"),
1147 element->get_name().c_str(),
1152 if(!value_node->set_link(index, c[index]))
1154 error(element, strprintf(_("Unable to set link '\"%s\" to ValueNode \"%s\" (link #%d in \"%s\")"),
1155 value_node->link_name(index).c_str(),
1158 element->get_name().c_str()));
1162 // printf(" <%s> set link %d (%s) using exported value\n", element->get_name().c_str(), index, name.c_str());
1164 catch (Exception::BadLinkName)
1166 warning(element, strprintf("Bad link name '%s'", name.c_str()));
1168 catch(Exception::IDNotFound)
1170 error(element,"Unable to resolve " + id);
1172 catch(Exception::FileNotFound)
1174 error(element,"Unable to open file referenced in " + id);
1178 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""), id.c_str()));
1184 // handle inline valuenodes
1188 xmlpp::Element::NodeList list = element->get_children();
1189 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1191 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1197 child_name = child->get_name();
1199 index = value_node->get_link_index_from_name(child_name);
1203 error(child, strprintf(_("'%s' was already defined in <%s>"),
1205 element->get_name().c_str()));
1209 xmlpp::Element::NodeList list = child->get_children();
1210 xmlpp::Element::NodeList::iterator iter;
1212 // Search for the first non-text XML element
1213 for(iter = list.begin(); iter != list.end(); ++iter)
1214 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1216 if(iter==list.end())
1218 error(child,strprintf(_("element <%s> is missing its contents"),
1219 child_name.c_str()));
1223 c[index]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1227 error((*iter),strprintf(_("Parse of '%s' failed"),
1228 child_name.c_str()));
1232 if(!value_node->set_link(index,c[index]))
1234 error(child,strprintf(_("Unable to connect value node ('%s' of type '%s') to link %d (%s)"),
1235 c[index]->get_name().c_str(),
1236 ValueBase::type_local_name(c[index]->get_type()).c_str(),
1238 value_node->link_name(index).c_str()));
1242 // \todo do a search for more elements and warn if they are found
1244 // printf(" <%s> set link %d (%s) using inline value\n", element->get_name().c_str(), index, child_name.c_str());
1246 catch(Exception::BadLinkName)
1248 warning(child, strprintf("Bad link name for <%s>", element->get_name().c_str()));
1252 error(child, strprintf(_("Unknown Exception thrown when working on element \"%s\""),child_name.c_str()));
1258 String version(canvas->get_version());
1259 for (int i = 0; i < value_node->link_count(); i++)
1263 // the 'width' parameter of <stripes> wasn't always present in version 0.1 canvases
1264 if (version == "0.1" && element->get_name() == "stripes" && value_node->link_name(i) == "width")
1267 // these 3 blinecalctangent parameters didn't appear until canvas version 0.5
1268 if ((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4") &&
1269 element->get_name() == "blinecalctangent" &&
1270 (value_node->link_name(i) == "offset" ||
1271 value_node->link_name(i) == "scale" ||
1272 value_node->link_name(i) == "fixed_length"))
1275 // 'scale' was added while canvas version 0.5 was in use
1276 if ((version == "0.3" || version == "0.4" || version == "0.5") &&
1277 element->get_name() == "blinecalcwidth" &&
1278 value_node->link_name(i) == "scale")
1281 // 'loop' was added while canvas version 0.5 was in use, as was the 'gradientcolor' node type
1282 if (version == "0.5" &&
1283 element->get_name() == "gradientcolor" &&
1284 value_node->link_name(i) == "loop")
1287 error(element, strprintf(_("<%s> is missing link %d (%s)"),
1288 element->get_name().c_str(),
1290 value_node->link_name(i).c_str()));
1295 // pre 0.4 canvases had *calctangent outputs scaled down by 0.5 for some reason
1296 if (element->get_name() == "blinecalctangent" || element->get_name() == "segcalctangent")
1298 if (version == "0.1" || version == "0.2" || version == "0.3")
1300 handle<LinkableValueNode> scale_value_node=LinkableValueNode::create("scale",type);
1301 scale_value_node->set_link(scale_value_node->get_link_index_from_name("link"), value_node);
1302 scale_value_node->set_link(scale_value_node->get_link_index_from_name("scalar"), ValueNode_Const::create(Real(0.5)));
1303 value_node = scale_value_node;
1310 // This will also parse a bline
1311 handle<ValueNode_DynamicList>
1312 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1314 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1316 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1318 if(!element->get_attribute("type"))
1320 error(element,"Missing attribute \"type\" in <dynamic_list>");
1321 return handle<ValueNode_DynamicList>();
1324 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1328 error(element,"Bad type in <dynamic_list>");
1329 return handle<ValueNode_DynamicList>();
1332 handle<ValueNode_DynamicList> value_node;
1333 handle<ValueNode_BLine> bline_value_node;
1335 if(element->get_name()=="bline")
1337 value_node=bline_value_node=ValueNode_BLine::create();
1338 if(element->get_attribute("loop"))
1340 String loop=element->get_attribute("loop")->get_value();
1341 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1342 bline_value_node->set_loop(true);
1344 bline_value_node->set_loop(false);
1349 value_node=ValueNode_DynamicList::create(type);
1353 error(element,strprintf(_("Unable to create <dynamic_list>")));
1354 return handle<ValueNode_DynamicList>();
1357 value_node->set_root_canvas(canvas->get_root());
1359 xmlpp::Element::NodeList list = element->get_children();
1360 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1362 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1366 if(child->get_name()=="entry")
1368 ValueNode_DynamicList::ListEntry list_entry;
1370 // Parse begin/end waypoints
1372 typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1373 typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1375 String begin_sequence;
1376 String end_sequence;
1378 ActivepointList &timing_info(list_entry.timing_info);
1380 if(child->get_attribute("begin"))
1381 begin_sequence=child->get_attribute("begin")->get_value();
1383 if(child->get_attribute("on"))
1384 begin_sequence=child->get_attribute("on")->get_value();
1386 if(child->get_attribute("end"))
1387 end_sequence=child->get_attribute("end")->get_value();
1389 if(child->get_attribute("off"))
1390 end_sequence=child->get_attribute("off")->get_value();
1392 // clear out any auto-start
1393 if(!begin_sequence.empty())
1394 timing_info.clear();
1397 while(!begin_sequence.empty())
1399 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1400 String timecode(begin_sequence.begin(), iter);
1403 // skip whitespace before checking for a priority
1404 while (isspace(timecode[0]))
1405 timecode=timecode.substr(1);
1407 // If there is a priority, then grab it and remove
1408 // it from the timecode
1409 if(timecode[0]=='p')
1411 //priority=timecode[1]-'0';
1412 //timecode=String(timecode.begin()+3,timecode.end());
1413 int space=timecode.find_first_of(' ');
1414 priority=atoi(String(timecode,1,space-1).c_str());
1415 timecode=String(timecode.begin()+space+1,timecode.end());
1416 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1419 timing_info.push_back(
1425 true, // Mark as a "on" activepoint
1430 if(iter==begin_sequence.end())
1431 begin_sequence.clear();
1433 begin_sequence=String(iter+1,begin_sequence.end());
1437 while(!end_sequence.empty())
1439 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1440 String timecode(end_sequence.begin(), iter);
1443 // skip whitespace before checking for a priority
1444 while (isspace(timecode[0]))
1445 timecode=timecode.substr(1);
1447 // If there is a priority, then grab it and remove
1448 // it from the timecode
1449 if(timecode[0]=='p')
1451 //priority=timecode[1]-'0';
1452 //timecode=String(timecode.begin()+3,timecode.end());
1453 int space=timecode.find_first_of(' ');
1454 priority=atoi(String(timecode,1,space-1).c_str());
1455 timecode=String(timecode.begin()+space+1,timecode.end());
1456 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1459 timing_info.push_back(
1465 false, // Mark as a "off" activepoint
1469 if(iter==end_sequence.end())
1470 end_sequence.clear();
1472 end_sequence=String(iter+1,end_sequence.end());
1478 if(child->get_attribute("use"))
1480 // \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
1481 string id=child->get_attribute("use")->get_value();
1484 list_entry.value_node=canvas->surefind_value_node(id);
1486 catch(Exception::IDNotFound)
1488 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1494 xmlpp::Element::NodeList list = child->get_children();
1495 xmlpp::Element::NodeList::iterator iter;
1497 // Search for the first non-text XML element
1498 for(iter = list.begin(); iter != list.end(); ++iter)
1499 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1501 if(iter==list.end())
1503 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1507 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1509 if(!list_entry.value_node)
1510 error((*iter),"Parse of ValueNode failed");
1512 // \todo do a search for more elements and warn if they are found
1516 value_node->add(list_entry);
1517 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1520 error_unexpected_element(child,child->get_name());
1526 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1528 handle<ValueNode> value_node;
1533 if(element->get_attribute("guid"))
1535 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1536 value_node=guid_cast<ValueNode>(guid);
1541 // If ValueBase::ident_type() recognizes the name, then we know it's a ValueBase
1542 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1544 ValueBase data=parse_value(element,canvas);
1546 if(!data.is_valid())
1548 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1552 // We want to convert this ValueBase into a
1553 // ValueNode_Const. That way, we can treat the
1554 // ID like any other Datanode. Think of this
1555 // as a shorthand for creating constant ValueNodes.
1557 value_node=ValueNode_Const::create(data);
1560 if(element->get_name()=="hermite" || element->get_name()=="animated")
1561 value_node=parse_animated(element,canvas);
1563 if(element->get_name()=="dynamic_list")
1564 value_node=parse_dynamic_list(element,canvas);
1566 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1567 value_node=parse_dynamic_list(element,canvas);
1569 if(LinkableValueNode::book().count(element->get_name()))
1571 value_node=parse_linkable_value_node(element,canvas);
1572 if (!value_node) value_node = PlaceholderValueNode::create();
1575 if(element->get_name()=="canvas")
1576 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1579 error_unexpected_element(element,element->get_name());
1580 error(element, strprintf(_("Expected a ValueNode. Refer to '%s'"),
1581 VALUENODE_COMPATIBILITY_URL));
1582 value_node=PlaceholderValueNode::create();
1585 value_node->set_root_canvas(canvas->get_root());
1587 // If we were successful, and our element has
1588 // an ID attribute, go ahead and add it to the
1590 if(value_node && element->get_attribute("id"))
1592 string id=element->get_attribute("id")->get_value();
1594 //value_node->set_id(id);
1596 // If there is already a value_node in the list
1597 // with the same ID, then that is an error
1598 try { canvas->add_value_node(value_node,id); }
1599 catch(Exception::BadLinkName)
1601 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1604 catch(Exception::IDAlreadyExists)
1606 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1611 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1615 value_node->set_guid(guid);
1620 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1622 assert(element->get_name()=="defs");
1623 xmlpp::Element::NodeList list = element->get_children();
1624 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1626 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1630 if(child->get_name()=="canvas")
1631 parse_canvas(child, canvas);
1633 parse_value_node(child,canvas);
1638 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1641 assert(element->get_name()=="layer");
1642 Layer::Handle layer;
1644 if(!element->get_attribute("type"))
1646 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1647 return Layer::Handle();
1650 layer=Layer::create(element->get_attribute("type")->get_value());
1651 layer->set_canvas(canvas);
1653 if(element->get_attribute("group"))
1655 layer->add_to_group(
1656 element->get_attribute("group")->get_value()
1660 // Handle the version attribute
1661 if(element->get_attribute("version"))
1663 String version(element->get_attribute("version")->get_value());
1664 if(version>layer->get_version())
1665 warning(element,_("Installed layer version is smaller than layer version in file"));
1666 if(version!=layer->get_version())
1667 layer->set_version(version);
1670 // Handle the description
1671 if(element->get_attribute("desc"))
1672 layer->set_description(element->get_attribute("desc")->get_value());
1674 if(element->get_attribute("active"))
1675 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1677 xmlpp::Element::NodeList list = element->get_children();
1678 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1680 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1684 if(child->get_name()=="name")
1685 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1687 if(child->get_name()=="desc")
1688 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1690 if(child->get_name()=="param")
1692 xmlpp::Element::NodeList list = child->get_children();
1694 if(!child->get_attribute("name"))
1696 error(child,_("Missing \"name\" attribute for <param>."));
1700 String param_name=child->get_attribute("name")->get_value();
1702 // SVN r2013 and r2014 renamed all 'pos' and 'offset' parameters to 'origin'
1703 // 'pos' and 'offset' will appear in old .sif files; handle them correctly
1704 if (param_name == "pos" || param_name == "offset")
1705 param_name = "origin";
1707 if(child->get_attribute("use"))
1709 // If the "use" attribute is used, then the
1710 // element should be empty. Warn the user if
1711 // we find otherwise.
1713 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1715 String str= child->get_attribute("use")->get_value();
1718 error(child,_("Empty use=\"\" value in <param>"));
1719 else if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1721 if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
1722 error((*iter),_("Layer rejected canvas link"));
1727 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1729 // Assign the value_node to the dynamic parameter list
1730 if (param_name == "segment_list" && (layer->get_name() == "region" || layer->get_name() == "outline"))
1732 synfig::warning("%s: Updated valuenode connection to use the \"bline\" parameter instead of \"segment_list\".",
1733 layer->get_name().c_str());
1734 param_name = "bline";
1736 layer->connect_dynamic_param(param_name,value_node);
1738 catch(Exception::IDNotFound)
1740 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1746 xmlpp::Element::NodeList::iterator iter;
1748 // Search for the first non-text XML element
1749 for(iter = list.begin(); iter != list.end(); ++iter)
1750 if(dynamic_cast<xmlpp::Element*>(*iter))
1752 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1754 if(iter==list.end())
1756 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1760 // If we recognize the element name as a
1761 // ValueBase, then treat is at one
1762 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1764 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1766 if(!data.is_valid())
1768 error((*iter),_("Bad data for <param>"));
1772 // Set the layer's parameter, and make sure that
1773 // the layer liked it
1774 if(!layer->set_param(param_name,data))
1776 warning((*iter),strprintf(_("Layer '%s' rejected value for parameter '%s'"),
1777 element->get_attribute("type")->get_value().c_str(),
1778 param_name.c_str()));
1782 else // ... otherwise, we assume that it is a ValueNode
1784 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1788 error((*iter),_("Bad data for <param>"));
1792 // Assign the value_node to the dynamic parameter list
1793 layer->connect_dynamic_param(param_name,value_node);
1796 // Warn if there is trash after the param value
1797 for(iter++; iter != list.end(); ++iter)
1798 if(dynamic_cast<xmlpp::Element*>(*iter))
1799 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
1803 error_unexpected_element(child,child->get_name());
1806 layer->reset_version();
1811 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
1814 if(element->get_name()!="canvas")
1816 error_unexpected_element(element,element->get_name(),"canvas");
1817 return Canvas::Handle();
1819 Canvas::Handle canvas;
1823 if(parent && (element->get_attribute("id") || inline_))
1827 canvas=Canvas::create_inline(parent);
1833 canvas=parent->find_canvas(element->get_attribute("id")->get_value());
1837 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
1840 canvas->rend_desc().clear_flags();
1844 canvas=Canvas::create();
1845 if(filename=="/dev/stdin")
1846 canvas->set_file_name("./stdin.sif");
1848 canvas->set_file_name(filename);
1849 canvas->rend_desc().clear_flags();
1852 if(element->get_attribute("guid"))
1854 GUID guid(element->get_attribute("guid")->get_value());
1855 if(guid_cast<Canvas>(guid))
1856 return guid_cast<Canvas>(guid);
1858 canvas->set_guid(guid);
1861 if(element->get_attribute("version"))
1862 canvas->set_version(element->get_attribute("version")->get_value());
1864 canvas->set_version(parent->get_version());
1866 if(element->get_attribute("width"))
1868 int width = atoi(element->get_attribute("width")->get_value().c_str());
1870 fatal_error(element, _("Canvas with width or height less than one is not allowed"));
1871 canvas->rend_desc().set_w(width);
1874 if(element->get_attribute("height"))
1876 int height = atoi(element->get_attribute("height")->get_value().c_str());
1878 fatal_error(element, _("Canvas with width or height less than one is not allowed"));
1879 canvas->rend_desc().set_h(height);
1882 if(element->get_attribute("xres"))
1883 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
1885 if(element->get_attribute("yres"))
1886 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
1889 if(element->get_attribute("fps"))
1890 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
1892 if(element->get_attribute("start-time"))
1893 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1895 if(element->get_attribute("begin-time"))
1896 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1898 if(element->get_attribute("end-time"))
1899 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1901 if(element->get_attribute("antialias"))
1902 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
1904 if(element->get_attribute("view-box"))
1906 string values=element->get_attribute("view-box")->get_value();
1910 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
1911 values=string(values.begin()+values.find(' ')+1,values.end());
1912 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
1913 values=string(values.begin()+values.find(' ')+1,values.end());
1914 br[0]=atof(string(values.data(),values.find(' ')).c_str());
1915 values=string(values.begin()+values.find(' ')+1,values.end());
1916 br[1]=atof(values.c_str());
1918 canvas->rend_desc().set_tl(tl);
1919 canvas->rend_desc().set_br(br);
1922 if(element->get_attribute("bgcolor"))
1924 string values=element->get_attribute("bgcolor")->get_value();
1927 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
1928 values=string(values.begin()+values.find(' ')+1,values.end());
1930 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
1931 values=string(values.begin()+values.find(' ')+1,values.end());
1933 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
1934 values=string(values.begin()+values.find(' ')+1,values.end());
1936 bg.set_a(atof(values.c_str()));
1938 canvas->rend_desc().set_bg_color(bg);
1941 if(element->get_attribute("focus"))
1943 string values=element->get_attribute("focus")->get_value();
1946 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
1947 values=string(values.begin()+values.find(' ')+1,values.end());
1948 focus[1]=atof(values.c_str());
1950 canvas->rend_desc().set_focus(focus);
1953 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
1955 xmlpp::Element::NodeList list = element->get_children();
1956 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1958 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1961 if(child->get_name()=="defs")
1963 if(canvas->is_inline())
1964 error(child,_("Inline canvas cannot have a <defs> section"));
1965 parse_canvas_defs(child, canvas);
1968 if(child->get_name()=="keyframe")
1970 if(canvas->is_inline())
1972 warning(child,_("Inline canvas cannot have keyframes"));
1976 canvas->keyframe_list().add(parse_keyframe(child,canvas));
1977 canvas->keyframe_list().sync();
1980 if(child->get_name()=="meta")
1982 if(canvas->is_inline())
1984 warning(child,_("Inline canvases cannot have metadata"));
1988 String name,content;
1990 if(!child->get_attribute("name"))
1992 warning(child,_("<meta> must have a name"));
1996 if(!child->get_attribute("content"))
1998 warning(child,_("<meta> must have content"));
2002 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
2004 else if(child->get_name()=="name")
2006 xmlpp::Element::NodeList list = child->get_children();
2008 // If we don't have any name, warn
2010 warning(child,_("blank \"name\" entity"));
2013 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2014 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2015 canvas->set_name(tmp);
2018 if(child->get_name()=="desc")
2021 xmlpp::Element::NodeList list = child->get_children();
2023 // If we don't have any description, warn
2025 warning(child,_("blank \"desc\" entity"));
2028 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2029 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2030 canvas->set_description(tmp);
2033 if(child->get_name()=="author")
2036 xmlpp::Element::NodeList list = child->get_children();
2038 // If we don't have any description, warn
2040 warning(child,_("blank \"author\" entity"));
2043 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2044 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2045 canvas->set_author(tmp);
2048 if(child->get_name()=="layer")
2050 //if(canvas->is_inline())
2051 // canvas->push_front(parse_layer(child,canvas->parent()));
2053 canvas->push_front(parse_layer(child,canvas));
2056 error_unexpected_element(child,child->get_name());
2059 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2063 if(canvas->value_node_list().placeholder_count())
2066 for (ValueNodeList::const_iterator iter = canvas->value_node_list().begin(); iter != canvas->value_node_list().end(); iter++)
2067 if(PlaceholderValueNode::Handle::cast_dynamic(*iter))
2069 if (nodes != "") nodes += ", ";
2070 nodes += "'" + (*iter)->get_id() + "'";
2072 error(element,strprintf(_("Canvas '%s' has undefined %s: %s"),
2073 canvas->get_id().c_str(),
2074 canvas->value_node_list().placeholder_count() == 1 ? _("ValueNode") : _("ValueNodes"),
2078 canvas->set_version(CURRENT_CANVAS_VERSION);
2083 CanvasParser::parse_from_file_as(const String &file_,const String &as_,String &errors)
2085 ChangeLocale change_locale(LC_NUMERIC, "C");
2086 String file(unix_to_local_path(file_));
2087 String as(unix_to_local_path(as_));
2091 if(get_open_canvas_map().count(etl::absolute_path(as)))
2092 return get_open_canvas_map()[etl::absolute_path(as)];
2096 xmlpp::DomParser parser(file);
2099 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2100 if (!canvas) return canvas;
2101 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2102 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2103 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2105 const ValueNodeList& value_node_list(canvas->value_node_list());
2108 ValueNodeList::const_iterator iter;
2109 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2111 ValueNode::Handle value_node(*iter);
2112 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2114 canvas->remove_value_node(value_node);
2122 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2123 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2124 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2125 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2126 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2127 catch(xmlpp::internal_error x)
2129 printf("caught internal error\n");
2130 if (!strcmp(x.what(), "Couldn't create parsing context"))
2131 throw runtime_error(String(" * ") + _("Can't open file") + " \"" + file + "\"");
2134 catch(const std::exception& ex)
2136 synfig::error("Standard Exception: "+String(ex.what()));
2138 return Canvas::Handle();
2140 catch(const String& str)
2143 // synfig::error(str);
2145 return Canvas::Handle();
2147 return Canvas::Handle();