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();
148 synfig::string_to_canvas(const String &data)
152 parser.set_allow_errors(true);
154 Canvas::Handle canvas=parser.parse_from_string(data);
156 if(parser.error_count())
157 return Canvas::Handle();
162 /* === M E T H O D S ======================================================= */
165 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got, const String &expected)
167 error(element,strprintf(_("Unexpected element <%s>, Expected <%s>"),got.c_str(),expected.c_str()));
171 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got)
173 error(element,strprintf(_("Unexpected element <%s>"),got.c_str()));
177 CanvasParser::warning(xmlpp::Node *element, const String &text)
179 string str=strprintf("%s:<%s>:%d: warning: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
180 //synfig::warning(str);
183 if(total_warnings_>=max_warnings_)
184 fatal_error(element, _("Too many warnings"));
188 CanvasParser::error(xmlpp::Node *element, const String &text)
190 string str=strprintf("%s:<%s>:%d: error: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
192 errors_text += " " + str + "\n";
194 throw runtime_error(str);
196 // synfig::error(str);
200 CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
202 string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
203 throw runtime_error(str);
209 CanvasParser::parse_keyframe(xmlpp::Element *element,Canvas::Handle canvas)
211 assert(element->get_name()=="keyframe");
213 if(!element->get_attribute("time"))
215 error(element,strprintf(_("<%s> is missing \"%s\" attribute"),"real","time"));
219 Keyframe ret(Time(element->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate()));
222 if(element->get_children().empty())
225 if(element->get_child_text()->get_content().empty())
228 ret.set_description(element->get_child_text()->get_content());
235 CanvasParser::parse_real(xmlpp::Element *element)
237 assert(element->get_name()=="real");
239 if(!element->get_children().empty())
240 warning(element, strprintf(_("<%s> should not contain anything"),"real"));
242 if(!element->get_attribute("value"))
244 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"real"));
248 string val=element->get_attribute("value")->get_value();
250 return atof(val.c_str());
254 CanvasParser::parse_time(xmlpp::Element *element,Canvas::Handle canvas)
256 assert(element->get_name()=="time");
258 if(!element->get_children().empty())
259 warning(element, strprintf(_("<%s> should not contain anything"),"time"));
261 if(!element->get_attribute("value"))
263 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"time"));
267 string val=element->get_attribute("value")->get_value();
269 return Time(val,canvas->rend_desc().get_frame_rate());
273 CanvasParser::parse_integer(xmlpp::Element *element)
275 assert(element->get_name()=="integer");
277 if(!element->get_children().empty())
278 warning(element, strprintf(_("<%s> should not contain anything"),"integer"));
280 if(!element->get_attribute("value"))
282 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"integer"));
286 string val=element->get_attribute("value")->get_value();
288 return atoi(val.c_str());
291 // see 'minor hack' at the end of parse_vector() below
292 // making this 'static' to give it file local scope
293 // stops it working (where working means working around
295 Vector &canvas_parser_vector_id(Vector &vector)
301 CanvasParser::parse_vector(xmlpp::Element *element)
303 assert(element->get_name()=="vector");
305 if(element->get_children().empty())
307 error(element, "Undefined value in <vector>");
313 xmlpp::Element::NodeList list = element->get_children();
314 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
316 xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
320 if(child->get_name()=="x")
322 if(child->get_children().empty())
324 error(element, "Undefined value in <x>");
327 vect[0]=atof(child->get_child_text()->get_content().c_str());
330 if(child->get_name()=="y")
332 if(child->get_children().empty())
334 error(element, "Undefined value in <y>");
337 vect[1]=atof(child->get_child_text()->get_content().c_str());
340 error_unexpected_element(child,child->get_name());
342 // Minor hack - gcc 4.1.2 and earlier think that we're not using
343 // 'vect' and optimize it out at -O2 and higher. This convinces
344 // them that we are really using it.
345 return canvas_parser_vector_id(vect);
346 // When the bug is fixed, we can just do this instead:
351 CanvasParser::parse_color(xmlpp::Element *element)
353 assert(element->get_name()=="color");
355 if(element->get_children().empty())
357 error(element, "Undefined value in <color>");
363 xmlpp::Element::NodeList list = element->get_children();
364 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
366 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
370 if(child->get_name()=="r")
372 if(child->get_children().empty())
374 error(element, "Undefined value in <r>");
377 color.set_r(atof(child->get_child_text()->get_content().c_str()));
380 if(child->get_name()=="g")
382 if(child->get_children().empty())
384 error(element, "Undefined value in <g>");
387 color.set_g(atof(child->get_child_text()->get_content().c_str()));
390 if(child->get_name()=="b")
392 if(child->get_children().empty())
394 error(element, "Undefined value in <b>");
397 color.set_b(atof(child->get_child_text()->get_content().c_str()));
400 if(child->get_name()=="a")
402 if(child->get_children().empty())
404 error(element, "Undefined value in <a>");
407 color.set_a(atof(child->get_child_text()->get_content().c_str()));
410 error_unexpected_element(child,child->get_name());
417 CanvasParser::parse_string(xmlpp::Element *element)
419 assert(element->get_name()=="string");
421 if(element->get_children().empty())
423 warning(element, "Undefined value in <string>");
424 return synfig::String();
427 if(element->get_child_text()->get_content().empty())
429 warning(element, "Content element of <string> appears to be empty");
430 return synfig::String();
433 return element->get_child_text()->get_content();
437 CanvasParser::parse_bool(xmlpp::Element *element)
439 assert(element->get_name()=="bool");
441 if(!element->get_children().empty())
442 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
444 if(!element->get_attribute("value"))
446 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
450 string val=element->get_attribute("value")->get_value();
452 if(val=="true" || val=="1")
454 if(val=="false" || val=="0")
457 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
463 CanvasParser::parse_gradient(xmlpp::Element *node)
465 assert(node->get_name()=="gradient");
468 xmlpp::Element::NodeList list = node->get_children();
469 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
471 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
476 Gradient::CPoint cpoint;
477 cpoint.color=parse_color(child);
479 if(!child->get_attribute("pos"))
481 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
485 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
487 ret.push_back(cpoint);
495 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
497 vector<ValueBase> value_list;
499 xmlpp::Element::NodeList list = element->get_children();
500 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
502 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
507 value_list.push_back(parse_value(child,canvas));
508 if(!value_list.back().is_valid())
510 value_list.pop_back();
511 error(child,"Bad ValueBase");
520 CanvasParser::parse_segment(xmlpp::Element *element)
522 assert(element->get_name()=="segment");
524 if(element->get_children().empty())
526 error(element, "Undefined value in <segment>");
532 xmlpp::Element::NodeList list = element->get_children();
533 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
535 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
539 if(child->get_name()=="p1")
541 xmlpp::Element::NodeList list = child->get_children();
542 xmlpp::Element::NodeList::iterator iter;
544 // Search for the first non-text XML element
545 for(iter = list.begin(); iter != list.end(); ++iter)
546 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
550 error(element, "Undefined value in <p1>");
554 if((*iter)->get_name()!="vector")
556 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
560 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
563 if(child->get_name()=="t1")
565 xmlpp::Element::NodeList list = child->get_children();
566 xmlpp::Element::NodeList::iterator iter;
568 // Search for the first non-text XML element
569 for(iter = list.begin(); iter != list.end(); ++iter)
570 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
574 error(element, "Undefined value in <t1>");
578 if((*iter)->get_name()!="vector")
580 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
584 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
587 if(child->get_name()=="p2")
589 xmlpp::Element::NodeList list = child->get_children();
590 xmlpp::Element::NodeList::iterator iter;
592 // Search for the first non-text XML element
593 for(iter = list.begin(); iter != list.end(); ++iter)
594 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
598 error(element, "Undefined value in <p2>");
602 if((*iter)->get_name()!="vector")
604 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
608 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
611 if(child->get_name()=="t2")
613 xmlpp::Element::NodeList list = child->get_children();
614 xmlpp::Element::NodeList::iterator iter;
616 // Search for the first non-text XML element
617 for(iter = list.begin(); iter != list.end(); ++iter)
618 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
622 error(element, "Undefined value in <t2>");
626 if((*iter)->get_name()!="vector")
628 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
632 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
635 error_unexpected_element(child,child->get_name());
641 CanvasParser::parse_bline_point(xmlpp::Element *element)
643 assert(element->get_name()=="bline_point");
644 if(element->get_children().empty())
646 error(element, "Undefined value in <bline_point>");
651 ret.set_split_tangent_flag(false);
653 xmlpp::Element::NodeList list = element->get_children();
654 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
656 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
661 if(child->get_name()[0]=='v' || child->get_name()=="p1")
663 xmlpp::Element::NodeList list = child->get_children();
664 xmlpp::Element::NodeList::iterator iter;
666 // Search for the first non-text XML element
667 for(iter = list.begin(); iter != list.end(); ++iter)
668 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
672 error(element, "Undefined value in <vertex>");
676 if((*iter)->get_name()!="vector")
678 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
682 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
686 if(child->get_name()=="t1" || child->get_name()=="tangent")
688 xmlpp::Element::NodeList list = child->get_children();
689 xmlpp::Element::NodeList::iterator iter;
691 // Search for the first non-text XML element
692 for(iter = list.begin(); iter != list.end(); ++iter)
693 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
697 error(element, "Undefined value in <t1>");
701 if((*iter)->get_name()!="vector")
703 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
707 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
711 if(child->get_name()=="t2")
713 xmlpp::Element::NodeList list = child->get_children();
714 xmlpp::Element::NodeList::iterator iter;
716 // Search for the first non-text XML element
717 for(iter = list.begin(); iter != list.end(); ++iter)
718 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
722 error(element, "Undefined value in <t2>");
726 if((*iter)->get_name()!="vector")
728 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
732 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
733 ret.set_split_tangent_flag(true);
737 if(child->get_name()=="width")
739 xmlpp::Element::NodeList list = child->get_children();
740 xmlpp::Element::NodeList::iterator iter;
742 // Search for the first non-text XML element
743 for(iter = list.begin(); iter != list.end(); ++iter)
744 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
748 error(element, "Undefined value in <width>");
752 if((*iter)->get_name()!="real")
754 error_unexpected_element((*iter),(*iter)->get_name(),"real");
758 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
762 if(child->get_name()=="origin")
764 xmlpp::Element::NodeList list = child->get_children();
765 xmlpp::Element::NodeList::iterator iter;
767 // Search for the first non-text XML element
768 for(iter = list.begin(); iter != list.end(); ++iter)
769 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
773 error(element, "Undefined value in <origin>");
777 if((*iter)->get_name()!="real")
779 error_unexpected_element((*iter),(*iter)->get_name(),"real");
783 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
786 error_unexpected_element(child,child->get_name());
792 CanvasParser::parse_angle(xmlpp::Element *element)
794 assert(element->get_name()=="angle");
796 if(!element->get_children().empty())
797 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
799 if(!element->get_attribute("value"))
801 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
805 string val=element->get_attribute("value")->get_value();
807 return Angle::deg(atof(val.c_str()));
811 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
813 if(element->get_name()=="real")
814 return parse_real(element);
816 if(element->get_name()=="time")
817 return parse_time(element,canvas);
819 if(element->get_name()=="integer")
820 return parse_integer(element);
822 if(element->get_name()=="string")
823 return parse_string(element);
825 if(element->get_name()=="vector")
826 return parse_vector(element);
828 if(element->get_name()=="color")
829 return parse_color(element);
831 if(element->get_name()=="segment")
832 return parse_segment(element);
834 if(element->get_name()=="list")
835 return parse_list(element,canvas);
837 if(element->get_name()=="gradient")
838 return parse_gradient(element);
840 if(element->get_name()=="bool")
841 return parse_bool(element);
843 //if(element->get_name()=="canvas")
844 // return parse_canvas(element,canvas,true); // inline canvas
846 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
847 return parse_angle(element);
849 if(element->get_name()=="bline_point")
850 return parse_bline_point(element);
852 if(element->get_name()=="canvas")
853 return ValueBase(parse_canvas(element,canvas,true));
856 error_unexpected_element(element,element->get_name());
865 ValueNode_Animated::Handle
866 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
868 assert(element->get_name()=="hermite" || element->get_name()=="animated");
870 if(!element->get_attribute("type"))
872 error(element,"Missing attribute \"type\" in <animated>");
873 return ValueNode_Animated::Handle();
876 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
880 error(element,"Bad type in <animated>");
881 return ValueNode_Animated::Handle();
884 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
888 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_local_name(type).c_str()));
889 return ValueNode_Animated::Handle();
892 value_node->set_root_canvas(canvas->get_root());
894 xmlpp::Element::NodeList list = element->get_children();
895 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
897 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
901 if(child->get_name()=="waypoint")
903 if(!child->get_attribute("time"))
905 error(child,_("<waypoint> is missing attribute \"time\""));
909 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
912 ValueNode::Handle waypoint_value_node;
913 xmlpp::Element::NodeList list = child->get_children();
915 if(child->get_attribute("use"))
918 warning(child,_("Found \"use\" attribute for <waypoint>, but it wasn't empty. Ignoring contents..."));
920 // the waypoint might look like this, in which case we won't find "mycanvas" in the list of valuenodes, 'cos it's a canvas
922 // <animated type="canvas">
923 // <waypoint time="0s" use="mycanvas"/>
925 if (type==ValueBase::TYPE_CANVAS)
926 waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value()));
928 waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
932 if(child->get_children().empty())
934 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
938 xmlpp::Element::NodeList::iterator iter;
940 // Search for the first non-text XML element
941 for(iter = list.begin(); iter != list.end(); ++iter)
942 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
946 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
950 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
953 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
957 error(child,_("Bad data for <waypoint>"));
961 if(!waypoint_value_node)
963 error(child,_("Bad data for <waypoint>"));
967 /*! HACK -- This is a temporary fix to help repair some
968 ** weirdness that is currently going on (10-21-2004).
969 ** This short circuits the linking of waypoints,
970 ** a feature which is so obscure that we can get
971 ** away with something like this pretty easily.
973 waypoint_value_node=waypoint_value_node->clone();
975 // Warn if there is trash after the param value
976 for(iter++; iter != list.end(); ++iter)
977 if(dynamic_cast<xmlpp::Element*>(*iter))
978 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
983 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
985 if(child->get_attribute("tension"))
987 synfig::String str(child->get_attribute("tension")->get_value());
988 waypoint->set_tension(atof(str.c_str()));
990 if(child->get_attribute("temporal-tension"))
992 synfig::String str(child->get_attribute("temporal-tension")->get_value());
993 waypoint->set_temporal_tension(atof(str.c_str()));
995 if(child->get_attribute("continuity"))
997 synfig::String str(child->get_attribute("continuity")->get_value());
998 waypoint->set_continuity(atof(str.c_str()));
1000 if(child->get_attribute("bias"))
1002 synfig::String str(child->get_attribute("bias")->get_value());
1003 waypoint->set_bias(atof(str.c_str()));
1006 if(child->get_attribute("before"))
1008 string val=child->get_attribute("before")->get_value();
1010 waypoint->set_before(INTERPOLATION_HALT);
1011 else if(val=="constant")
1012 waypoint->set_before(INTERPOLATION_CONSTANT);
1013 else if(val=="linear")
1014 waypoint->set_before(INTERPOLATION_LINEAR);
1015 else if(val=="manual")
1016 waypoint->set_before(INTERPOLATION_MANUAL);
1017 else if(val=="auto")
1018 waypoint->set_before(INTERPOLATION_TCB);
1020 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1023 if(child->get_attribute("after"))
1025 string val=child->get_attribute("after")->get_value();
1027 waypoint->set_after(INTERPOLATION_HALT);
1028 else if(val=="constant")
1029 waypoint->set_after(INTERPOLATION_CONSTANT);
1030 else if(val=="linear")
1031 waypoint->set_after(INTERPOLATION_LINEAR);
1032 else if(val=="manual")
1033 waypoint->set_after(INTERPOLATION_MANUAL);
1034 else if(val=="auto")
1035 waypoint->set_after(INTERPOLATION_TCB);
1037 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1040 catch(Exception::BadTime x)
1042 warning(child,x.what());
1048 error_unexpected_element(child,child->get_name());
1051 // in canvas version 0.1, angles used to wrap, so to get from -179
1052 // degrees to 180 degrees meant a 1 degree change
1053 // in canvas version 0.2 they don't, so that's a 359 degree change
1055 // when loading a version 0.1 canvas, modify constant angle
1056 // waypoints to that they are within 180 degrees of the previous
1058 if (type == ValueBase::TYPE_ANGLE)
1060 if (canvas->get_version() == "0.1")
1063 Real angle, prev = 0;
1064 WaypointList &wl = value_node->waypoint_list();
1065 for (WaypointList::iterator iter = wl.begin(); iter != wl.end(); iter++)
1067 angle = Angle::deg(iter->get_value(iter->get_time()).get(Angle())).get();
1070 else if (iter->get_value_node()->get_name() == "constant")
1072 if (angle - prev > 180)
1074 while (angle - prev > 180) angle -= 360;
1075 iter->set_value(Angle::deg(angle));
1077 else if (prev - angle > 180)
1079 while (prev - angle > 180) angle += 360;
1080 iter->set_value(Angle::deg(angle));
1088 value_node->changed();
1092 etl::handle<LinkableValueNode>
1093 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1095 // Determine the type
1096 if(!element->get_attribute("type"))
1098 error(element, strprintf(_("Missing attribute \"type\" in <%s>"), element->get_name().c_str()));
1102 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1106 error(element, strprintf(_("Bad type in <%s>"), element->get_name().c_str()));
1110 handle<LinkableValueNode> value_node=LinkableValueNode::create(element->get_name(),type);
1111 handle<ValueNode> c[value_node->link_count()];
1115 error(element, strprintf(_("Error creating ValueNode <%s> with type '%s'. Refer to '%s'"),
1116 element->get_name().c_str(),
1117 ValueBase::type_local_name(type).c_str(),
1118 VALUENODE_COMPATIBILITY_URL));
1122 if(value_node->get_type()!=type)
1124 error(element, strprintf(_("<%s> did not accept type '%s'"),
1125 element->get_name().c_str(),
1126 ValueBase::type_local_name(type).c_str()));
1130 value_node->set_root_canvas(canvas->get_root());
1132 // handle exported valuenodes
1136 xmlpp::Element::AttributeList attrib_list(element->get_attributes());
1137 for(xmlpp::Element::AttributeList::iterator iter = attrib_list.begin(); iter != attrib_list.end(); iter++)
1139 name = (*iter)->get_name();
1140 id = (*iter)->get_value();
1142 if (name == "guid" || name == "id" || name == "type")
1146 index = value_node->get_link_index_from_name(name);
1150 error(element,strprintf(_("'%s' was already defined in <%s>"),
1152 element->get_name().c_str()));
1156 c[index] = canvas->surefind_value_node(id);
1160 error(element, strprintf(_("'%s' attribute in <%s> references unknown ID '%s'"),
1162 element->get_name().c_str(),
1167 if(!value_node->set_link(index, c[index]))
1169 error(element, strprintf(_("Unable to set link '\"%s\" to ValueNode \"%s\" (link #%d in \"%s\")"),
1170 value_node->link_name(index).c_str(),
1173 element->get_name().c_str()));
1177 // printf(" <%s> set link %d (%s) using exported value\n", element->get_name().c_str(), index, name.c_str());
1179 catch (Exception::BadLinkName)
1181 warning(element, strprintf("Bad link name '%s'", name.c_str()));
1183 catch(Exception::IDNotFound)
1185 error(element,"Unable to resolve " + id);
1187 catch(Exception::FileNotFound)
1189 error(element,"Unable to open file referenced in " + id);
1193 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""), id.c_str()));
1199 // handle inline valuenodes
1203 xmlpp::Element::NodeList list = element->get_children();
1204 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1206 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1212 child_name = child->get_name();
1214 index = value_node->get_link_index_from_name(child_name);
1218 error(child, strprintf(_("'%s' was already defined in <%s>"),
1220 element->get_name().c_str()));
1224 xmlpp::Element::NodeList list = child->get_children();
1225 xmlpp::Element::NodeList::iterator iter;
1227 // Search for the first non-text XML element
1228 for(iter = list.begin(); iter != list.end(); ++iter)
1229 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1231 if(iter==list.end())
1233 error(child,strprintf(_("element <%s> is missing its contents"),
1234 child_name.c_str()));
1238 c[index]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1242 error((*iter),strprintf(_("Parse of '%s' failed"),
1243 child_name.c_str()));
1247 if(!value_node->set_link(index,c[index]))
1249 error(child,strprintf(_("Unable to connect value node ('%s' of type '%s') to link %d (%s)"),
1250 c[index]->get_name().c_str(),
1251 ValueBase::type_local_name(c[index]->get_type()).c_str(),
1253 value_node->link_name(index).c_str()));
1257 // \todo do a search for more elements and warn if they are found
1259 // printf(" <%s> set link %d (%s) using inline value\n", element->get_name().c_str(), index, child_name.c_str());
1261 catch(Exception::BadLinkName)
1263 warning(child, strprintf("Bad link name for <%s>", element->get_name().c_str()));
1267 error(child, strprintf(_("Unknown Exception thrown when working on element \"%s\""),child_name.c_str()));
1273 String version(canvas->get_version());
1274 for (int i = 0; i < value_node->link_count(); i++)
1278 // the 'width' parameter of <stripes> wasn't always present in version 0.1 canvases
1279 if (version == "0.1" && element->get_name() == "stripes" && value_node->link_name(i) == "width")
1282 // these 3 blinecalctangent parameters didn't appear until canvas version 0.5
1283 if ((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4") &&
1284 element->get_name() == "blinecalctangent" &&
1285 (value_node->link_name(i) == "offset" ||
1286 value_node->link_name(i) == "scale" ||
1287 value_node->link_name(i) == "fixed_length"))
1290 // 'scale' was added while canvas version 0.5 was in use
1291 if ((version == "0.3" || version == "0.4" || version == "0.5") &&
1292 element->get_name() == "blinecalcwidth" &&
1293 value_node->link_name(i) == "scale")
1296 // 'loop' was added while canvas version 0.5 was in use, as was the 'gradientcolor' node type
1297 if (version == "0.5" &&
1298 element->get_name() == "gradientcolor" &&
1299 value_node->link_name(i) == "loop")
1302 error(element, strprintf(_("<%s> is missing link %d (%s)"),
1303 element->get_name().c_str(),
1305 value_node->link_name(i).c_str()));
1310 // pre 0.4 canvases had *calctangent outputs scaled down by 0.5 for some reason
1311 if (element->get_name() == "blinecalctangent" || element->get_name() == "segcalctangent")
1313 if (version == "0.1" || version == "0.2" || version == "0.3")
1315 handle<LinkableValueNode> scale_value_node=LinkableValueNode::create("scale",type);
1316 scale_value_node->set_link(scale_value_node->get_link_index_from_name("link"), value_node);
1317 scale_value_node->set_link(scale_value_node->get_link_index_from_name("scalar"), ValueNode_Const::create(Real(0.5)));
1318 value_node = scale_value_node;
1325 // This will also parse a bline
1326 handle<ValueNode_DynamicList>
1327 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1329 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1331 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1333 if(!element->get_attribute("type"))
1335 error(element,"Missing attribute \"type\" in <dynamic_list>");
1336 return handle<ValueNode_DynamicList>();
1339 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1343 error(element,"Bad type in <dynamic_list>");
1344 return handle<ValueNode_DynamicList>();
1347 handle<ValueNode_DynamicList> value_node;
1348 handle<ValueNode_BLine> bline_value_node;
1350 if(element->get_name()=="bline")
1352 value_node=bline_value_node=ValueNode_BLine::create();
1353 if(element->get_attribute("loop"))
1355 String loop=element->get_attribute("loop")->get_value();
1356 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1357 bline_value_node->set_loop(true);
1359 bline_value_node->set_loop(false);
1364 value_node=ValueNode_DynamicList::create(type);
1368 error(element,strprintf(_("Unable to create <dynamic_list>")));
1369 return handle<ValueNode_DynamicList>();
1372 value_node->set_root_canvas(canvas->get_root());
1374 xmlpp::Element::NodeList list = element->get_children();
1375 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1377 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1381 if(child->get_name()=="entry")
1383 ValueNode_DynamicList::ListEntry list_entry;
1385 // Parse begin/end waypoints
1387 typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1388 typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1390 String begin_sequence;
1391 String end_sequence;
1393 ActivepointList &timing_info(list_entry.timing_info);
1395 if(child->get_attribute("begin"))
1396 begin_sequence=child->get_attribute("begin")->get_value();
1398 if(child->get_attribute("on"))
1399 begin_sequence=child->get_attribute("on")->get_value();
1401 if(child->get_attribute("end"))
1402 end_sequence=child->get_attribute("end")->get_value();
1404 if(child->get_attribute("off"))
1405 end_sequence=child->get_attribute("off")->get_value();
1407 // clear out any auto-start
1408 if(!begin_sequence.empty())
1409 timing_info.clear();
1412 while(!begin_sequence.empty())
1414 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1415 String timecode(begin_sequence.begin(), iter);
1418 // skip whitespace before checking for a priority
1419 while (isspace(timecode[0]))
1420 timecode=timecode.substr(1);
1422 // If there is a priority, then grab it and remove
1423 // it from the timecode
1424 if(timecode[0]=='p')
1426 //priority=timecode[1]-'0';
1427 //timecode=String(timecode.begin()+3,timecode.end());
1428 int space=timecode.find_first_of(' ');
1429 priority=atoi(String(timecode,1,space-1).c_str());
1430 timecode=String(timecode.begin()+space+1,timecode.end());
1431 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1434 timing_info.push_back(
1440 true, // Mark as a "on" activepoint
1445 if(iter==begin_sequence.end())
1446 begin_sequence.clear();
1448 begin_sequence=String(iter+1,begin_sequence.end());
1452 while(!end_sequence.empty())
1454 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1455 String timecode(end_sequence.begin(), iter);
1458 // skip whitespace before checking for a priority
1459 while (isspace(timecode[0]))
1460 timecode=timecode.substr(1);
1462 // If there is a priority, then grab it and remove
1463 // it from the timecode
1464 if(timecode[0]=='p')
1466 //priority=timecode[1]-'0';
1467 //timecode=String(timecode.begin()+3,timecode.end());
1468 int space=timecode.find_first_of(' ');
1469 priority=atoi(String(timecode,1,space-1).c_str());
1470 timecode=String(timecode.begin()+space+1,timecode.end());
1471 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1474 timing_info.push_back(
1480 false, // Mark as a "off" activepoint
1484 if(iter==end_sequence.end())
1485 end_sequence.clear();
1487 end_sequence=String(iter+1,end_sequence.end());
1493 if(child->get_attribute("use"))
1495 // \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
1496 string id=child->get_attribute("use")->get_value();
1499 list_entry.value_node=canvas->surefind_value_node(id);
1501 catch(Exception::IDNotFound)
1503 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1509 xmlpp::Element::NodeList list = child->get_children();
1510 xmlpp::Element::NodeList::iterator iter;
1512 // Search for the first non-text XML element
1513 for(iter = list.begin(); iter != list.end(); ++iter)
1514 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1516 if(iter==list.end())
1518 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1522 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1524 if(!list_entry.value_node)
1525 error((*iter),"Parse of ValueNode failed");
1527 // \todo do a search for more elements and warn if they are found
1531 value_node->add(list_entry);
1532 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1535 error_unexpected_element(child,child->get_name());
1541 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1543 handle<ValueNode> value_node;
1548 if(element->get_attribute("guid"))
1550 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1551 value_node=guid_cast<ValueNode>(guid);
1556 // If ValueBase::ident_type() recognizes the name, then we know it's a ValueBase
1557 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1559 ValueBase data=parse_value(element,canvas);
1561 if(!data.is_valid())
1563 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1567 // We want to convert this ValueBase into a
1568 // ValueNode_Const. That way, we can treat the
1569 // ID like any other Datanode. Think of this
1570 // as a shorthand for creating constant ValueNodes.
1572 value_node=ValueNode_Const::create(data);
1575 if(element->get_name()=="hermite" || element->get_name()=="animated")
1576 value_node=parse_animated(element,canvas);
1578 if(element->get_name()=="dynamic_list")
1579 value_node=parse_dynamic_list(element,canvas);
1581 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1582 value_node=parse_dynamic_list(element,canvas);
1584 if(LinkableValueNode::book().count(element->get_name()))
1586 value_node=parse_linkable_value_node(element,canvas);
1587 if (!value_node) value_node = PlaceholderValueNode::create();
1590 if(element->get_name()=="canvas")
1591 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1594 error_unexpected_element(element,element->get_name());
1595 error(element, strprintf(_("Expected a ValueNode. Refer to '%s'"),
1596 VALUENODE_COMPATIBILITY_URL));
1597 value_node=PlaceholderValueNode::create();
1600 value_node->set_root_canvas(canvas->get_root());
1602 // If we were successful, and our element has
1603 // an ID attribute, go ahead and add it to the
1605 if(value_node && element->get_attribute("id"))
1607 string id=element->get_attribute("id")->get_value();
1609 //value_node->set_id(id);
1611 // If there is already a value_node in the list
1612 // with the same ID, then that is an error
1613 try { canvas->add_value_node(value_node,id); }
1614 catch(Exception::BadLinkName)
1616 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1619 catch(Exception::IDAlreadyExists)
1621 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1626 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1630 value_node->set_guid(guid);
1635 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1637 assert(element->get_name()=="defs");
1638 xmlpp::Element::NodeList list = element->get_children();
1639 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1641 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1645 if(child->get_name()=="canvas")
1646 parse_canvas(child, canvas);
1648 parse_value_node(child,canvas);
1653 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1656 assert(element->get_name()=="layer");
1657 Layer::Handle layer;
1659 if(!element->get_attribute("type"))
1661 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1662 return Layer::Handle();
1665 layer=Layer::create(element->get_attribute("type")->get_value());
1666 layer->set_canvas(canvas);
1668 if(element->get_attribute("group"))
1670 layer->add_to_group(
1671 element->get_attribute("group")->get_value()
1675 // Handle the version attribute
1676 if(element->get_attribute("version"))
1678 String version(element->get_attribute("version")->get_value());
1679 if(version>layer->get_version())
1680 warning(element,_("Installed layer version is smaller than layer version in file"));
1681 if(version!=layer->get_version())
1682 layer->set_version(version);
1685 // Handle the description
1686 if(element->get_attribute("desc"))
1687 layer->set_description(element->get_attribute("desc")->get_value());
1689 if(element->get_attribute("active"))
1690 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1692 xmlpp::Element::NodeList list = element->get_children();
1693 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1695 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1699 if(child->get_name()=="name")
1700 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1702 if(child->get_name()=="desc")
1703 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1705 if(child->get_name()=="param")
1707 xmlpp::Element::NodeList list = child->get_children();
1709 if(!child->get_attribute("name"))
1711 error(child,_("Missing \"name\" attribute for <param>."));
1715 String param_name=child->get_attribute("name")->get_value();
1717 // SVN r2013 and r2014 renamed all 'pos' and 'offset' parameters to 'origin'
1718 // 'pos' and 'offset' will appear in old .sif files; handle them correctly
1719 if (param_name == "pos" || param_name == "offset")
1720 param_name = "origin";
1722 if(child->get_attribute("use"))
1724 // If the "use" attribute is used, then the
1725 // element should be empty. Warn the user if
1726 // we find otherwise.
1728 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1730 String str= child->get_attribute("use")->get_value();
1733 error(child,_("Empty use=\"\" value in <param>"));
1734 else if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1736 if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
1737 error((*iter),_("Layer rejected canvas link"));
1742 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1744 // Assign the value_node to the dynamic parameter list
1745 if (param_name == "segment_list" && (layer->get_name() == "region" || layer->get_name() == "outline"))
1747 synfig::warning("%s: Updated valuenode connection to use the \"bline\" parameter instead of \"segment_list\".",
1748 layer->get_name().c_str());
1749 param_name = "bline";
1751 layer->connect_dynamic_param(param_name,value_node);
1753 catch(Exception::IDNotFound)
1755 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1761 xmlpp::Element::NodeList::iterator iter;
1763 // Search for the first non-text XML element
1764 for(iter = list.begin(); iter != list.end(); ++iter)
1765 if(dynamic_cast<xmlpp::Element*>(*iter))
1767 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1769 if(iter==list.end())
1771 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1775 // If we recognize the element name as a
1776 // ValueBase, then treat is at one
1777 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1779 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1781 if(!data.is_valid())
1783 error((*iter),_("Bad data for <param>"));
1787 // Set the layer's parameter, and make sure that
1788 // the layer liked it
1789 if(!layer->set_param(param_name,data))
1791 warning((*iter),strprintf(_("Layer '%s' rejected value for parameter '%s'"),
1792 element->get_attribute("type")->get_value().c_str(),
1793 param_name.c_str()));
1797 else // ... otherwise, we assume that it is a ValueNode
1799 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1803 error((*iter),_("Bad data for <param>"));
1807 // Assign the value_node to the dynamic parameter list
1808 layer->connect_dynamic_param(param_name,value_node);
1811 // Warn if there is trash after the param value
1812 for(iter++; iter != list.end(); ++iter)
1813 if(dynamic_cast<xmlpp::Element*>(*iter))
1814 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
1818 error_unexpected_element(child,child->get_name());
1821 layer->reset_version();
1826 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
1829 if(element->get_name()!="canvas")
1831 error_unexpected_element(element,element->get_name(),"canvas");
1832 return Canvas::Handle();
1834 Canvas::Handle canvas;
1838 if(parent && (element->get_attribute("id") || inline_))
1842 canvas=Canvas::create_inline(parent);
1848 canvas=parent->find_canvas(element->get_attribute("id")->get_value());
1852 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
1855 canvas->rend_desc().clear_flags();
1859 canvas=Canvas::create();
1860 if(filename=="/dev/stdin")
1861 canvas->set_file_name("./stdin.sif");
1863 canvas->set_file_name(filename);
1864 canvas->rend_desc().clear_flags();
1867 if(element->get_attribute("guid"))
1869 GUID guid(element->get_attribute("guid")->get_value());
1870 if(guid_cast<Canvas>(guid))
1871 return guid_cast<Canvas>(guid);
1873 canvas->set_guid(guid);
1876 if(element->get_attribute("version"))
1877 canvas->set_version(element->get_attribute("version")->get_value());
1879 canvas->set_version(parent->get_version());
1881 if(element->get_attribute("width"))
1883 int width = atoi(element->get_attribute("width")->get_value().c_str());
1885 fatal_error(element, _("Canvas with width or height less than one is not allowed"));
1886 canvas->rend_desc().set_w(width);
1889 if(element->get_attribute("height"))
1891 int height = atoi(element->get_attribute("height")->get_value().c_str());
1893 fatal_error(element, _("Canvas with width or height less than one is not allowed"));
1894 canvas->rend_desc().set_h(height);
1897 if(element->get_attribute("xres"))
1898 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
1900 if(element->get_attribute("yres"))
1901 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
1904 if(element->get_attribute("fps"))
1905 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
1907 if(element->get_attribute("start-time"))
1908 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1910 if(element->get_attribute("begin-time"))
1911 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1913 if(element->get_attribute("end-time"))
1914 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1916 if(element->get_attribute("antialias"))
1917 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
1919 if(element->get_attribute("view-box"))
1921 string values=element->get_attribute("view-box")->get_value();
1925 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
1926 values=string(values.begin()+values.find(' ')+1,values.end());
1927 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
1928 values=string(values.begin()+values.find(' ')+1,values.end());
1929 br[0]=atof(string(values.data(),values.find(' ')).c_str());
1930 values=string(values.begin()+values.find(' ')+1,values.end());
1931 br[1]=atof(values.c_str());
1933 canvas->rend_desc().set_tl(tl);
1934 canvas->rend_desc().set_br(br);
1937 if(element->get_attribute("bgcolor"))
1939 string values=element->get_attribute("bgcolor")->get_value();
1942 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
1943 values=string(values.begin()+values.find(' ')+1,values.end());
1945 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
1946 values=string(values.begin()+values.find(' ')+1,values.end());
1948 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
1949 values=string(values.begin()+values.find(' ')+1,values.end());
1951 bg.set_a(atof(values.c_str()));
1953 canvas->rend_desc().set_bg_color(bg);
1956 if(element->get_attribute("focus"))
1958 string values=element->get_attribute("focus")->get_value();
1961 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
1962 values=string(values.begin()+values.find(' ')+1,values.end());
1963 focus[1]=atof(values.c_str());
1965 canvas->rend_desc().set_focus(focus);
1968 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
1970 xmlpp::Element::NodeList list = element->get_children();
1971 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1973 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1976 if(child->get_name()=="defs")
1978 if(canvas->is_inline())
1979 error(child,_("Inline canvas cannot have a <defs> section"));
1980 parse_canvas_defs(child, canvas);
1983 if(child->get_name()=="keyframe")
1985 if(canvas->is_inline())
1987 warning(child,_("Inline canvas cannot have keyframes"));
1991 canvas->keyframe_list().add(parse_keyframe(child,canvas));
1992 canvas->keyframe_list().sync();
1995 if(child->get_name()=="meta")
1997 if(canvas->is_inline())
1999 warning(child,_("Inline canvases cannot have metadata"));
2003 String name,content;
2005 if(!child->get_attribute("name"))
2007 warning(child,_("<meta> must have a name"));
2011 if(!child->get_attribute("content"))
2013 warning(child,_("<meta> must have content"));
2017 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
2019 else if(child->get_name()=="name")
2021 xmlpp::Element::NodeList list = child->get_children();
2023 // If we don't have any name, warn
2025 warning(child,_("blank \"name\" 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_name(tmp);
2033 if(child->get_name()=="desc")
2036 xmlpp::Element::NodeList list = child->get_children();
2038 // If we don't have any description, warn
2040 warning(child,_("blank \"desc\" 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_description(tmp);
2048 if(child->get_name()=="author")
2051 xmlpp::Element::NodeList list = child->get_children();
2053 // If we don't have any description, warn
2055 warning(child,_("blank \"author\" entity"));
2058 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2059 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2060 canvas->set_author(tmp);
2063 if(child->get_name()=="layer")
2065 //if(canvas->is_inline())
2066 // canvas->push_front(parse_layer(child,canvas->parent()));
2068 canvas->push_front(parse_layer(child,canvas));
2071 error_unexpected_element(child,child->get_name());
2074 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2078 if(canvas->value_node_list().placeholder_count())
2081 for (ValueNodeList::const_iterator iter = canvas->value_node_list().begin(); iter != canvas->value_node_list().end(); iter++)
2082 if(PlaceholderValueNode::Handle::cast_dynamic(*iter))
2084 if (nodes != "") nodes += ", ";
2085 nodes += "'" + (*iter)->get_id() + "'";
2087 error(element,strprintf(_("Canvas '%s' has undefined %s: %s"),
2088 canvas->get_id().c_str(),
2089 canvas->value_node_list().placeholder_count() == 1 ? _("ValueNode") : _("ValueNodes"),
2093 canvas->set_version(CURRENT_CANVAS_VERSION);
2098 CanvasParser::parse_from_file_as(const String &file_,const String &as_,String &errors)
2102 ChangeLocale change_locale(LC_NUMERIC, "C");
2103 String file(unix_to_local_path(file_));
2104 String as(unix_to_local_path(as_));
2106 if(get_open_canvas_map().count(etl::absolute_path(as)))
2107 return get_open_canvas_map()[etl::absolute_path(as)];
2111 xmlpp::DomParser parser(file);
2114 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2115 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2116 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2117 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2121 const ValueNodeList& value_node_list(canvas->value_node_list());
2124 ValueNodeList::const_iterator iter;
2125 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2127 ValueNode::Handle value_node(*iter);
2128 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2130 canvas->remove_value_node(value_node);
2138 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2139 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2140 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2141 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2142 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2143 catch(const std::exception& ex)
2145 synfig::error("Standard Exception: "+String(ex.what()));
2147 return Canvas::Handle();
2149 catch(const String& str)
2152 // synfig::error(str);
2154 return Canvas::Handle();
2156 return Canvas::Handle();
2160 CanvasParser::parse_from_string(const String &data)
2164 ChangeLocale change_locale(LC_NUMERIC, "C");
2165 filename=_("<INTERNAL>");
2167 xmlpp::DomParser parser;
2168 parser.parse_memory(data);
2169 xmlpp::Element *root=parser.get_document()->get_root_node();
2172 Canvas::Handle canvas(parse_canvas(root));
2173 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2174 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2176 const ValueNodeList& value_node_list(canvas->value_node_list());
2178 ValueNodeList::const_iterator iter;
2179 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2181 ValueNode::Handle value_node(*iter);
2182 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2184 canvas->remove_value_node(value_node);
2192 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2193 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2194 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2195 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2196 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2197 catch(const std::exception& ex)
2199 synfig::error("Standard Exception: "+String(ex.what()));
2200 return Canvas::Handle();
2202 catch(const String& str)
2205 // synfig::error(str);
2206 return Canvas::Handle();
2208 return Canvas::Handle();