1 /* === S Y N F I G ========================================================= */
2 /*! \file loadcanvas.cpp
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === H E A D E R S ======================================================= */
35 #include <ETL/stringf>
36 #include <libxml++/libxml++.h>
41 #include "loadcanvas.h"
42 #include "valuenode.h"
43 #include "valuenode_subtract.h"
44 #include "valuenode_animated.h"
45 #include "valuenode_composite.h"
46 #include "valuenode_const.h"
47 #include "valuenode_linear.h"
48 #include "valuenode_dynamiclist.h"
49 #include "valuenode_reference.h"
50 #include "valuenode_scale.h"
51 #include "valuenode_timedswap.h"
52 #include "valuenode_twotone.h"
53 #include "valuenode_stripes.h"
54 #include "valuenode_segcalctangent.h"
55 #include "valuenode_segcalcvertex.h"
56 #include "valuenode_bline.h"
61 #include "exception.h"
66 #include <sigc++/bind.h>
70 /* === U S I N G =========================================================== */
73 using namespace synfig;
80 test_class() { assert(!bleh); bleh++; synfig::info("test_class: initi: %d",bleh); }
81 ~test_class() { assert(bleh); synfig::info("test_class: uninit: %d",bleh); bleh--; }
83 int test_class::bleh(0);
85 test_class test_class_instance;
88 /* === M A C R O S ========================================================= */
90 inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
92 /* === P R O C E D U R E S ================================================= */
94 static std::map<String, Canvas::LooseHandle>* open_canvas_map_(0);
96 std::map<synfig::String, etl::loose_handle<Canvas> >& synfig::get_open_canvas_map()
99 open_canvas_map_=new std::map<String, Canvas::LooseHandle>;
100 return *open_canvas_map_;
103 static void _remove_from_open_canvas_map(Canvas *x) { get_open_canvas_map().erase(etl::absolute_path(x->get_file_name())); }
105 static void _canvas_file_name_changed(Canvas *x)
107 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
109 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
112 assert(iter!=get_open_canvas_map().end());
113 if(iter==get_open_canvas_map().end())
115 get_open_canvas_map().erase(iter->first);
116 get_open_canvas_map()[etl::absolute_path(x->get_file_name())]=x;
121 synfig::open_canvas(const String &filename)
125 parser.set_allow_errors(true);
127 Canvas::Handle canvas=parser.parse_from_file(filename);
129 if(parser.error_count())
130 return Canvas::Handle();
136 synfig::open_canvas_as(const String &filename,const String &as)
140 parser.set_allow_errors(true);
142 Canvas::Handle canvas=parser.parse_from_file_as(filename,as);
144 if(parser.error_count())
145 return Canvas::Handle();
151 synfig::string_to_canvas(const String &data)
155 parser.set_allow_errors(true);
157 Canvas::Handle canvas=parser.parse_from_string(data);
159 if(parser.error_count())
160 return Canvas::Handle();
165 /* === M E T H O D S ======================================================= */
168 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got, const String &expected)
170 error(element,strprintf(_("Unexpected element <%s>, Expected <%s>"),got.c_str(),expected.c_str()));
174 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got)
176 error(element,strprintf(_("Unexpected element <%s>"),got.c_str()));
180 CanvasParser::warning(xmlpp::Node *element, const String &text)
182 string str=strprintf("%s:<%s>:%d: warning: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
183 //synfig::warning(str);
186 if(total_warnings_>=max_warnings_)
187 fatal_error(element, _("Too many warnings"));
191 CanvasParser::error(xmlpp::Node *element, const String &text)
193 string str=strprintf("%s:<%s>:%d: error: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
196 throw runtime_error(str);
198 // synfig::error(str);
202 CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
204 string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
205 throw runtime_error(str);
211 CanvasParser::parse_keyframe(xmlpp::Element *element,Canvas::Handle canvas)
213 assert(element->get_name()=="keyframe");
215 if(!element->get_attribute("time"))
217 error(element,strprintf(_("<%s> is missing \"%s\" attribute"),"real","time"));
221 Keyframe ret(Time(element->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate()));
224 if(element->get_children().empty())
227 if(element->get_child_text()->get_content().empty())
230 ret.set_description(element->get_child_text()->get_content());
237 CanvasParser::parse_real(xmlpp::Element *element)
239 assert(element->get_name()=="real");
241 if(!element->get_children().empty())
242 warning(element, strprintf(_("<%s> should not contain anything"),"real"));
244 if(!element->get_attribute("value"))
246 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"real"));
250 string val=element->get_attribute("value")->get_value();
252 return atof(val.c_str());
256 CanvasParser::parse_time(xmlpp::Element *element,Canvas::Handle canvas)
258 assert(element->get_name()=="time");
260 if(!element->get_children().empty())
261 warning(element, strprintf(_("<%s> should not contain anything"),"time"));
263 if(!element->get_attribute("value"))
265 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"time"));
269 string val=element->get_attribute("value")->get_value();
271 return Time(val,canvas->rend_desc().get_frame_rate());
275 CanvasParser::parse_integer(xmlpp::Element *element)
277 assert(element->get_name()=="integer");
279 if(!element->get_children().empty())
280 warning(element, strprintf(_("<%s> should not contain anything"),"integer"));
282 if(!element->get_attribute("value"))
284 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"integer"));
288 string val=element->get_attribute("value")->get_value();
290 return atoi(val.c_str());
293 // see 'minor hack' at the end of parse_vector() below
294 // making this 'static' to give it file local scope
295 // stops it working (where working means working around
297 Vector &canvas_parser_vector_id(Vector &vector)
303 CanvasParser::parse_vector(xmlpp::Element *element)
305 assert(element->get_name()=="vector");
307 if(element->get_children().empty())
309 error(element, "Undefined value in <vector>");
315 xmlpp::Element::NodeList list = element->get_children();
316 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
318 xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
322 if(child->get_name()=="x")
324 if(child->get_children().empty())
326 error(element, "Undefined value in <x>");
329 vect[0]=atof(child->get_child_text()->get_content().c_str());
332 if(child->get_name()=="y")
334 if(child->get_children().empty())
336 error(element, "Undefined value in <y>");
339 vect[1]=atof(child->get_child_text()->get_content().c_str());
342 error_unexpected_element(child,child->get_name());
344 // Minor hack - gcc 4.1.2 and earlier think that we're not using
345 // 'vect' and optimize it out at -O2 and higher. This convinces
346 // them that we are really using it.
347 return canvas_parser_vector_id(vect);
348 // When the bug is fixed, we can just do this instead:
353 CanvasParser::parse_color(xmlpp::Element *element)
355 assert(element->get_name()=="color");
357 if(element->get_children().empty())
359 error(element, "Undefined value in <color>");
365 xmlpp::Element::NodeList list = element->get_children();
366 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
368 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
372 if(child->get_name()=="r")
374 if(child->get_children().empty())
376 error(element, "Undefined value in <r>");
379 color.set_r(atof(child->get_child_text()->get_content().c_str()));
382 if(child->get_name()=="g")
384 if(child->get_children().empty())
386 error(element, "Undefined value in <g>");
389 color.set_g(atof(child->get_child_text()->get_content().c_str()));
392 if(child->get_name()=="b")
394 if(child->get_children().empty())
396 error(element, "Undefined value in <b>");
399 color.set_b(atof(child->get_child_text()->get_content().c_str()));
402 if(child->get_name()=="a")
404 if(child->get_children().empty())
406 error(element, "Undefined value in <a>");
409 color.set_a(atof(child->get_child_text()->get_content().c_str()));
412 error_unexpected_element(child,child->get_name());
419 CanvasParser::parse_string(xmlpp::Element *element)
421 assert(element->get_name()=="string");
423 if(element->get_children().empty())
425 warning(element, "Undefined value in <string>");
426 return synfig::String();
429 if(element->get_child_text()->get_content().empty())
431 warning(element, "Content element of <string> appears to be empty");
432 return synfig::String();
435 return element->get_child_text()->get_content();
439 CanvasParser::parse_bool(xmlpp::Element *element)
441 assert(element->get_name()=="bool");
443 if(!element->get_children().empty())
444 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
446 if(!element->get_attribute("value"))
448 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
452 string val=element->get_attribute("value")->get_value();
454 if(val=="true" || val=="1")
456 if(val=="false" || val=="0")
459 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
465 CanvasParser::parse_gradient(xmlpp::Element *node)
467 assert(node->get_name()=="gradient");
470 xmlpp::Element::NodeList list = node->get_children();
471 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
473 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
478 Gradient::CPoint cpoint;
479 cpoint.color=parse_color(child);
481 if(!child->get_attribute("pos"))
483 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
487 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
489 ret.push_back(cpoint);
497 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
499 vector<ValueBase> value_list;
501 xmlpp::Element::NodeList list = element->get_children();
502 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
504 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
509 value_list.push_back(parse_value(child,canvas));
510 if(!value_list.back().is_valid())
512 value_list.pop_back();
513 error(child,"Bad ValueBase");
522 CanvasParser::parse_segment(xmlpp::Element *element)
524 assert(element->get_name()=="segment");
526 if(element->get_children().empty())
528 error(element, "Undefined value in <segment>");
534 xmlpp::Element::NodeList list = element->get_children();
535 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
537 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
541 if(child->get_name()=="p1")
543 xmlpp::Element::NodeList list = child->get_children();
544 xmlpp::Element::NodeList::iterator iter;
546 // Search for the first non-text XML element
547 for(iter = list.begin(); iter != list.end(); ++iter)
548 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
552 error(element, "Undefined value in <p1>");
556 if((*iter)->get_name()!="vector")
558 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
562 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
565 if(child->get_name()=="t1")
567 xmlpp::Element::NodeList list = child->get_children();
568 xmlpp::Element::NodeList::iterator iter;
570 // Search for the first non-text XML element
571 for(iter = list.begin(); iter != list.end(); ++iter)
572 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
576 error(element, "Undefined value in <t1>");
580 if((*iter)->get_name()!="vector")
582 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
586 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
589 if(child->get_name()=="p2")
591 xmlpp::Element::NodeList list = child->get_children();
592 xmlpp::Element::NodeList::iterator iter;
594 // Search for the first non-text XML element
595 for(iter = list.begin(); iter != list.end(); ++iter)
596 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
600 error(element, "Undefined value in <p2>");
604 if((*iter)->get_name()!="vector")
606 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
610 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
613 if(child->get_name()=="t2")
615 xmlpp::Element::NodeList list = child->get_children();
616 xmlpp::Element::NodeList::iterator iter;
618 // Search for the first non-text XML element
619 for(iter = list.begin(); iter != list.end(); ++iter)
620 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
624 error(element, "Undefined value in <t2>");
628 if((*iter)->get_name()!="vector")
630 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
634 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
637 error_unexpected_element(child,child->get_name());
643 CanvasParser::parse_bline_point(xmlpp::Element *element)
645 assert(element->get_name()=="bline_point");
646 if(element->get_children().empty())
648 error(element, "Undefined value in <bline_point>");
653 ret.set_split_tangent_flag(false);
655 xmlpp::Element::NodeList list = element->get_children();
656 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
658 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
663 if(child->get_name()[0]=='v' || child->get_name()=="p1")
665 xmlpp::Element::NodeList list = child->get_children();
666 xmlpp::Element::NodeList::iterator iter;
668 // Search for the first non-text XML element
669 for(iter = list.begin(); iter != list.end(); ++iter)
670 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
674 error(element, "Undefined value in <vertex>");
678 if((*iter)->get_name()!="vector")
680 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
684 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
688 if(child->get_name()=="t1" || child->get_name()=="tangent")
690 xmlpp::Element::NodeList list = child->get_children();
691 xmlpp::Element::NodeList::iterator iter;
693 // Search for the first non-text XML element
694 for(iter = list.begin(); iter != list.end(); ++iter)
695 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
699 error(element, "Undefined value in <t1>");
703 if((*iter)->get_name()!="vector")
705 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
709 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
713 if(child->get_name()=="t2")
715 xmlpp::Element::NodeList list = child->get_children();
716 xmlpp::Element::NodeList::iterator iter;
718 // Search for the first non-text XML element
719 for(iter = list.begin(); iter != list.end(); ++iter)
720 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
724 error(element, "Undefined value in <t2>");
728 if((*iter)->get_name()!="vector")
730 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
734 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
735 ret.set_split_tangent_flag(true);
739 if(child->get_name()=="width")
741 xmlpp::Element::NodeList list = child->get_children();
742 xmlpp::Element::NodeList::iterator iter;
744 // Search for the first non-text XML element
745 for(iter = list.begin(); iter != list.end(); ++iter)
746 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
750 error(element, "Undefined value in <width>");
754 if((*iter)->get_name()!="real")
756 error_unexpected_element((*iter),(*iter)->get_name(),"real");
760 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
764 if(child->get_name()=="origin")
766 xmlpp::Element::NodeList list = child->get_children();
767 xmlpp::Element::NodeList::iterator iter;
769 // Search for the first non-text XML element
770 for(iter = list.begin(); iter != list.end(); ++iter)
771 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
775 error(element, "Undefined value in <origin>");
779 if((*iter)->get_name()!="real")
781 error_unexpected_element((*iter),(*iter)->get_name(),"real");
785 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
788 error_unexpected_element(child,child->get_name());
794 CanvasParser::parse_angle(xmlpp::Element *element)
796 assert(element->get_name()=="angle");
798 if(!element->get_children().empty())
799 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
801 if(!element->get_attribute("value"))
803 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
807 string val=element->get_attribute("value")->get_value();
809 return Angle::deg(atof(val.c_str()));
813 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
815 if(element->get_name()=="real")
816 return parse_real(element);
818 if(element->get_name()=="time")
819 return parse_time(element,canvas);
821 if(element->get_name()=="integer")
822 return parse_integer(element);
824 if(element->get_name()=="string")
825 return parse_string(element);
827 if(element->get_name()=="vector")
828 return parse_vector(element);
830 if(element->get_name()=="color")
831 return parse_color(element);
833 if(element->get_name()=="segment")
834 return parse_segment(element);
836 if(element->get_name()=="list")
837 return parse_list(element,canvas);
839 if(element->get_name()=="gradient")
840 return parse_gradient(element);
842 if(element->get_name()=="bool")
843 return parse_bool(element);
845 //if(element->get_name()=="canvas")
846 // return parse_canvas(element,canvas,true); // inline canvas
848 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
849 return parse_angle(element);
851 if(element->get_name()=="bline_point")
852 return parse_bline_point(element);
854 if(element->get_name()=="canvas")
855 return ValueBase(parse_canvas(element,canvas,true));
859 error_unexpected_element(element,element->get_name());
868 ValueNode_Animated::Handle
869 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
871 assert(element->get_name()=="hermite" || element->get_name()=="animated");
873 if(!element->get_attribute("type"))
875 error(element,"Missing attribute \"type\" in <animated>");
876 return ValueNode_Animated::Handle();
879 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
883 error(element,"Bad type in <animated>");
884 return ValueNode_Animated::Handle();
887 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
891 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_name(type).c_str()));
892 return ValueNode_Animated::Handle();
895 value_node->set_root_canvas(canvas->get_root());
897 xmlpp::Element::NodeList list = element->get_children();
898 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
900 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
904 if(child->get_name()=="waypoint")
906 if(!child->get_attribute("time"))
908 error(child,_("<waypoint> is missing attribute \"time\""));
912 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
915 ValueNode::Handle waypoint_value_node;
916 xmlpp::Element::NodeList list = child->get_children();
918 if(child->get_attribute("use"))
921 warning(child,_("Found \"use\" attribute for <waypoint>, but it wasn't empty. Ignoring contents..."));
923 // the waypoint might look like this, in which case we won't find "mycanvas" in the list of valuenodes, 'cos it's a canvas
925 // <animated type="canvas">
926 // <waypoint time="0s" use="mycanvas"/>
928 if (type==ValueBase::TYPE_CANVAS)
929 waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value()));
931 waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
935 if(child->get_children().empty())
937 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
941 xmlpp::Element::NodeList::iterator iter;
943 // Search for the first non-text XML element
944 for(iter = list.begin(); iter != list.end(); ++iter)
945 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
949 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
953 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
956 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
960 error(child,_("Bad data for <waypoint>"));
964 if(!waypoint_value_node)
966 error(child,_("Bad data for <waypoint>"));
970 /*! HACK -- This is a temporary fix to help repair some
971 ** weirdness that is currently going on (10-21-2004).
972 ** This short circuits the linking of waypoints,
973 ** a feature which is so obscure that we can get
974 ** away with something like this pretty easily.
976 waypoint_value_node=waypoint_value_node->clone();
978 // Warn if there is trash after the param value
979 for(iter++; iter != list.end(); ++iter)
980 if(dynamic_cast<xmlpp::Element*>(*iter))
981 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
986 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
988 if(child->get_attribute("tension"))
990 synfig::String str(child->get_attribute("tension")->get_value());
991 waypoint->set_tension(atof(str.c_str()));
993 if(child->get_attribute("temporal-tension"))
995 synfig::String str(child->get_attribute("temporal-tension")->get_value());
996 waypoint->set_time_tension(atof(str.c_str()));
998 if(child->get_attribute("continuity"))
1000 synfig::String str(child->get_attribute("continuity")->get_value());
1001 waypoint->set_continuity(atof(str.c_str()));
1003 if(child->get_attribute("bias"))
1005 synfig::String str(child->get_attribute("bias")->get_value());
1006 waypoint->set_bias(atof(str.c_str()));
1009 if(child->get_attribute("before"))
1011 string val=child->get_attribute("before")->get_value();
1013 waypoint->set_before(INTERPOLATION_HALT);
1014 else if(val=="constant")
1015 waypoint->set_before(INTERPOLATION_CONSTANT);
1016 else if(val=="linear")
1017 waypoint->set_before(INTERPOLATION_LINEAR);
1018 else if(val=="manual")
1019 waypoint->set_before(INTERPOLATION_MANUAL);
1020 else if(val=="auto")
1021 waypoint->set_before(INTERPOLATION_TCB);
1023 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1026 if(child->get_attribute("after"))
1028 string val=child->get_attribute("after")->get_value();
1030 waypoint->set_after(INTERPOLATION_HALT);
1031 else if(val=="constant")
1032 waypoint->set_after(INTERPOLATION_CONSTANT);
1033 else if(val=="linear")
1034 waypoint->set_after(INTERPOLATION_LINEAR);
1035 else if(val=="manual")
1036 waypoint->set_after(INTERPOLATION_MANUAL);
1037 else if(val=="auto")
1038 waypoint->set_after(INTERPOLATION_TCB);
1040 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1043 catch(Exception::BadTime x)
1045 warning(child,x.what());
1051 error_unexpected_element(child,child->get_name());
1053 value_node->changed();
1057 etl::handle<LinkableValueNode>
1058 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1060 handle<LinkableValueNode> value_node;
1061 ValueBase::Type type;
1063 // Determine the type
1064 if(element->get_attribute("type"))
1066 type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1070 error(element,"Bad type in ValueNode");
1076 error(element,"Missing type in ValueNode");
1080 value_node=LinkableValueNode::create(element->get_name(),type);
1084 error(element,"Unknown ValueNode type "+element->get_name());
1088 if(value_node->get_type()!=type)
1090 error(element,"ValueNode did not accept type");
1094 value_node->set_root_canvas(canvas->get_root());
1097 for(i=0;i<value_node->link_count();i++)
1099 if(element->get_attribute(value_node->link_name(i)))
1101 String id(element->get_attribute(value_node->link_name(i))->get_value());
1103 if(!value_node->set_link(i,
1104 canvas->surefind_value_node(
1108 ) error(element,strprintf(_("Unable to set link \"%s\" to ValueNode \"%s\" (link #%d in \"%s\")"),value_node->link_name(i).c_str(),id.c_str(),i,value_node->get_name().c_str()));
1110 catch(Exception::IDNotFound)
1112 error(element,"Unable to resolve "+element->get_attribute(value_node->link_name(i))->get_value());
1114 catch(Exception::FileNotFound)
1116 error(element,"Unable to open file referenced in "+element->get_attribute(value_node->link_name(i))->get_value());
1120 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""),
1121 element->get_attribute(value_node->link_name(i))->get_value().c_str()));
1128 xmlpp::Element::NodeList list = element->get_children();
1129 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1131 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1136 int index=value_node->get_link_index_from_name(child->get_name());
1138 xmlpp::Element::NodeList list = child->get_children();
1139 xmlpp::Element::NodeList::iterator iter;
1141 // Search for the first non-text XML element
1142 for(iter = list.begin(); iter != list.end(); ++iter)
1143 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1145 if(iter==list.end())
1147 error(child,_("element is missing its contents"));
1151 ValueNode::Handle link=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1155 error((*iter),"Parse of ValueNode failed");
1158 if(!value_node->set_link(index,link))
1160 //error(dynamic_cast<xmlpp::Element*>(*iter),strprintf("Unable to connect value node ('%s' of type '%s') to link %d",link->get_name().c_str(),ValueBase::type_name(link->get_type()).c_str(),index));
1161 error(element,strprintf("Unable to connect value node ('%s' of type '%s') to link %d",link->get_name().c_str(),ValueBase::type_name(link->get_type()).c_str(),index));
1164 // \todo do a search for more elements and warn if they are found
1167 catch(Exception::BadLinkName)
1169 error_unexpected_element(child,child->get_name());
1173 error(child,strprintf(_("Unknown Exception thrown when working on element \"%s\""),child->get_name().c_str()));
1181 handle<ValueNode_Composite>
1182 CanvasParser::parse_composite(xmlpp::Element *element,Canvas::Handle canvas)
1184 assert(element->get_name()=="composite");
1186 if(!element->get_attribute("type"))
1188 error(element,"Missing attribute \"type\" in <composite>");
1189 return handle<ValueNode_Composite>();
1192 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1196 error(element,"Bad type in <composite>");
1197 return handle<ValueNode_Composite>();
1200 handle<ValueNode_Composite> value_node=ValueNode_Composite::create(type);
1201 handle<ValueNode> c[6];
1205 error(element,strprintf(_("Unable to create <composite>")));
1206 return handle<ValueNode_Composite>();
1211 for(i=0;i<value_node->link_count();i++)
1213 string name=strprintf("c%d",i+1);
1216 error(element,name+" was already defined in <composite>");
1219 if(element->get_attribute(name))
1221 c[i]=canvas->surefind_value_node(element->get_attribute(name)->get_value());
1224 if(!value_node->set_link(i,c[i]))
1226 error(element,'"'+name+"\" attribute in <composite> has bad type");
1230 error(element,'"'+name+"\" attribute in <composite> references unknown ID");
1234 xmlpp::Element::NodeList list = element->get_children();
1235 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1237 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1241 for(i=0;i<value_node->link_count();i++)
1243 string name=strprintf("c%d",i+1);
1244 if(child->get_name()==name)
1248 error(child,name+" was already defined in <composite>");
1252 xmlpp::Element::NodeList list = child->get_children();
1253 xmlpp::Element::NodeList::iterator iter;
1255 // Search for the first non-text XML element
1256 for(iter = list.begin(); iter != list.end(); ++iter)
1257 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1259 if(iter==list.end())
1261 error(child,strprintf(_("<%s> is missing its contents"),name.c_str()));
1265 c[i]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1269 error((*iter),"Parse of "+name+" ValueNode failed");
1273 if(!value_node->set_link(i,c[i]))
1275 error(child,strprintf(_("<%s> has a bad value"),name.c_str()));
1279 // \todo do a search for more elements and warn if they are found
1283 // somewhat of a hack, but it works
1284 if(i==value_node->link_count()) error_unexpected_element(child,child->get_name());
1287 switch(value_node->link_count())
1290 if(!value_node->get_link(0))
1292 error(element,"<composite> is missing parameters");
1293 return handle<ValueNode_Composite>();
1297 if(!value_node->get_link(0) ||!value_node->get_link(1))
1299 error(element,"<composite> is missing parameters");
1300 return handle<ValueNode_Composite>();
1304 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2))
1306 error(element,"<composite> is missing parameters");
1307 return handle<ValueNode_Composite>();
1311 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2) ||!value_node->get_link(3))
1313 error(element,"<composite> is missing parameters");
1314 return handle<ValueNode_Composite>();
1321 // This will also parse a bline
1322 handle<ValueNode_DynamicList>
1323 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1325 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1327 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1329 if(!element->get_attribute("type"))
1331 error(element,"Missing attribute \"type\" in <dynamic_list>");
1332 return handle<ValueNode_DynamicList>();
1335 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1339 error(element,"Bad type in <dynamic_list>");
1340 return handle<ValueNode_DynamicList>();
1343 handle<ValueNode_DynamicList> value_node;
1344 handle<ValueNode_BLine> bline_value_node;
1346 if(element->get_name()=="bline")
1348 value_node=bline_value_node=ValueNode_BLine::create();
1349 if(element->get_attribute("loop"))
1351 String loop=element->get_attribute("loop")->get_value();
1352 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1353 bline_value_node->set_loop(true);
1355 bline_value_node->set_loop(false);
1360 value_node=ValueNode_DynamicList::create(type);
1364 error(element,strprintf(_("Unable to create <dynamic_list>")));
1365 return handle<ValueNode_DynamicList>();
1368 value_node->set_root_canvas(canvas->get_root());
1370 xmlpp::Element::NodeList list = element->get_children();
1371 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1373 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1377 if(child->get_name()=="entry")
1379 ValueNode_DynamicList::ListEntry list_entry;
1381 // Parse begin/end waypoints
1383 typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1384 typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1386 String begin_sequence;
1387 String end_sequence;
1389 ActivepointList &timing_info(list_entry.timing_info);
1391 if(child->get_attribute("begin"))
1392 begin_sequence=child->get_attribute("begin")->get_value();
1394 if(child->get_attribute("on"))
1395 begin_sequence=child->get_attribute("on")->get_value();
1397 if(child->get_attribute("end"))
1398 end_sequence=child->get_attribute("end")->get_value();
1400 if(child->get_attribute("off"))
1401 end_sequence=child->get_attribute("off")->get_value();
1403 // clear out any auto-start
1404 if(!begin_sequence.empty())
1405 timing_info.clear();
1408 while(!begin_sequence.empty())
1410 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1411 String timecode(begin_sequence.begin(), iter);
1414 // skip whitespace before checking for a priority
1415 while (isspace(timecode[0]))
1416 timecode=timecode.substr(1);
1418 // If there is a priority, then grab it and remove
1419 // it from the timecode
1420 if(timecode[0]=='p')
1422 //priority=timecode[1]-'0';
1423 //timecode=String(timecode.begin()+3,timecode.end());
1424 int space=timecode.find_first_of(' ');
1425 priority=atoi(String(timecode,1,space-1).c_str());
1426 timecode=String(timecode.begin()+space+1,timecode.end());
1427 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1430 timing_info.push_back(
1436 true, // Mark as a "on" activepoint
1441 if(iter==begin_sequence.end())
1442 begin_sequence.clear();
1444 begin_sequence=String(iter+1,begin_sequence.end());
1448 while(!end_sequence.empty())
1450 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1451 String timecode(end_sequence.begin(), iter);
1454 // skip whitespace before checking for a priority
1455 while (isspace(timecode[0]))
1456 timecode=timecode.substr(1);
1458 // If there is a priority, then grab it and remove
1459 // it from the timecode
1460 if(timecode[0]=='p')
1462 //priority=timecode[1]-'0';
1463 //timecode=String(timecode.begin()+3,timecode.end());
1464 int space=timecode.find_first_of(' ');
1465 priority=atoi(String(timecode,1,space-1).c_str());
1466 timecode=String(timecode.begin()+space+1,timecode.end());
1467 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1470 timing_info.push_back(
1476 false, // Mark as a "off" activepoint
1480 if(iter==end_sequence.end())
1481 end_sequence.clear();
1483 end_sequence=String(iter+1,end_sequence.end());
1489 if(child->get_attribute("use"))
1491 // \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
1492 string id=child->get_attribute("use")->get_value();
1495 list_entry.value_node=canvas->surefind_value_node(id);
1497 catch(Exception::IDNotFound)
1499 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1505 xmlpp::Element::NodeList list = child->get_children();
1506 xmlpp::Element::NodeList::iterator iter;
1508 // Search for the first non-text XML element
1509 for(iter = list.begin(); iter != list.end(); ++iter)
1510 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1512 if(iter==list.end())
1514 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1518 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1520 if(!list_entry.value_node)
1521 error((*iter),"Parse of ValueNode failed");
1523 // \todo do a search for more elements and warn if they are found
1527 value_node->add(list_entry);
1528 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1531 error_unexpected_element(child,child->get_name());
1537 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1539 handle<ValueNode> value_node;
1544 if(element->get_attribute("guid"))
1546 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1547 value_node=guid_cast<ValueNode>(guid);
1552 // If ValueBase::ident_type() recognises the name, then we know it's a ValueBase
1553 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1555 ValueBase data=parse_value(element,canvas);
1557 if(!data.is_valid())
1559 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1563 // We want to convert this ValueBase into a
1564 // ValueNode_Const. That way, we can treat the
1565 // ID like any other Datanode. Think of this
1566 // as a shorthand for creating constant ValueNodes.
1568 value_node=ValueNode_Const::create(data);
1571 if(element->get_name()=="hermite" || element->get_name()=="animated")
1572 value_node=parse_animated(element,canvas);
1574 if(element->get_name()=="composite")
1575 value_node=parse_composite(element,canvas);
1577 if(element->get_name()=="dynamic_list")
1578 value_node=parse_dynamic_list(element,canvas);
1580 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1581 value_node=parse_dynamic_list(element,canvas);
1583 if(LinkableValueNode::book().count(element->get_name()))
1584 value_node=parse_linkable_value_node(element,canvas);
1586 if(element->get_name()=="canvas")
1587 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1590 error_unexpected_element(element,element->get_name());
1591 error(element, "Expected a ValueNode");
1595 value_node->set_root_canvas(canvas->get_root());
1598 // If we were successful, and our element has
1599 // an ID attribute, go ahead and add it to the
1601 if(value_node && element->get_attribute("id"))
1603 string id=element->get_attribute("id")->get_value();
1605 //value_node->set_id(id);
1607 // If there is already a value_node in the list
1608 // with the same ID, then that is an error
1609 try { canvas->add_value_node(value_node,id); }
1610 catch(Exception::BadLinkName)
1612 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1615 catch(Exception::IDAlreadyExists)
1617 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1622 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1626 value_node->set_guid(guid);
1631 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1633 assert(element->get_name()=="defs");
1634 xmlpp::Element::NodeList list = element->get_children();
1635 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1637 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1641 if(child->get_name()=="canvas")
1642 parse_canvas(child, canvas);
1644 parse_value_node(child,canvas);
1649 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1652 assert(element->get_name()=="layer");
1653 Layer::Handle layer;
1655 if(!element->get_attribute("type"))
1657 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1658 return Layer::Handle();
1661 layer=Layer::create(element->get_attribute("type")->get_value());
1662 layer->set_canvas(canvas);
1664 if(element->get_attribute("group"))
1666 layer->add_to_group(
1667 element->get_attribute("group")->get_value()
1671 // Handle the version attribute
1672 if(element->get_attribute("version"))
1674 String version(element->get_attribute("version")->get_value());
1675 if(version>layer->get_version())
1676 warning(element,_("Installed layer version is larger than layer version in file"));
1677 if(version!=layer->get_version())
1678 layer->set_version(version);
1681 // Handle the description
1682 if(element->get_attribute("desc"))
1683 layer->set_description(element->get_attribute("desc")->get_value());
1685 if(element->get_attribute("active"))
1686 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1688 xmlpp::Element::NodeList list = element->get_children();
1689 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1691 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1695 if(child->get_name()=="name")
1696 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1698 if(child->get_name()=="desc")
1699 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1701 if(child->get_name()=="param")
1703 xmlpp::Element::NodeList list = child->get_children();
1705 if(!child->get_attribute("name"))
1707 error(child,_("Missing \"name\" attribute for <param>."));
1711 String param_name=child->get_attribute("name")->get_value();
1713 if(child->get_attribute("use"))
1715 // If the "use" attribute is used, then the
1716 // element should be empty. Warn the user if
1717 // we find otherwise.
1719 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1721 String str= child->get_attribute("use")->get_value();
1723 if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1725 if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
1726 error((*iter),_("Layer rejected canvas link"));
1731 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1733 // Assign the value_node to the dynamic parameter list
1734 layer->connect_dynamic_param(param_name,value_node);
1736 catch(Exception::IDNotFound)
1738 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1744 xmlpp::Element::NodeList::iterator iter;
1746 // Search for the first non-text XML element
1747 for(iter = list.begin(); iter != list.end(); ++iter)
1748 if(dynamic_cast<xmlpp::Element*>(*iter))
1750 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1752 if(iter==list.end())
1754 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1758 // If we recognise the element name as a
1759 // ValueBase, then treat is at one
1760 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1762 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1764 if(!data.is_valid())
1766 error((*iter),_("Bad data for <param>"));
1770 // Set the layer's parameter, and make sure that
1771 // the layer liked it
1772 if(!layer->set_param(param_name,data))
1774 warning((*iter),_("Layer rejected value for <param>"));
1778 else // ... otherwise, we assume that it is a ValueNode
1780 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1784 error((*iter),_("Bad data for <param>"));
1788 // Assign the value_node to the dynamic parameter list
1789 layer->connect_dynamic_param(param_name,value_node);
1792 // Warn if there is trash after the param value
1793 for(iter++; iter != list.end(); ++iter)
1794 if(dynamic_cast<xmlpp::Element*>(*iter))
1795 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
1799 error_unexpected_element(child,child->get_name());
1802 layer->reset_version();
1807 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
1810 if(element->get_name()!="canvas")
1812 error_unexpected_element(element,element->get_name(),"canvas");
1813 return Canvas::Handle();
1815 Canvas::Handle canvas;
1819 if(parent && (element->get_attribute("id") || inline_))
1823 canvas=Canvas::create_inline(parent);
1829 canvas=parent->find_canvas(element->get_attribute("id")->get_value());
1833 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
1836 canvas->rend_desc().clear_flags();
1840 canvas=Canvas::create();
1841 if(filename=="/dev/stdin")
1842 canvas->set_file_name("./stdin.sif");
1844 canvas->set_file_name(filename);
1845 canvas->rend_desc().clear_flags();
1848 if(element->get_attribute("guid"))
1850 GUID guid(element->get_attribute("guid")->get_value());
1851 if(guid_cast<Canvas>(guid))
1852 return guid_cast<Canvas>(guid);
1854 canvas->set_guid(guid);
1857 if(element->get_attribute("width"))
1858 canvas->rend_desc().set_w(atoi(element->get_attribute("width")->get_value().c_str()));
1860 if(element->get_attribute("height"))
1861 canvas->rend_desc().set_h(atoi(element->get_attribute("height")->get_value().c_str()));
1863 if(element->get_attribute("xres"))
1864 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
1866 if(element->get_attribute("yres"))
1867 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
1870 if(element->get_attribute("fps"))
1871 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
1873 if(element->get_attribute("start-time"))
1874 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1876 if(element->get_attribute("begin-time"))
1877 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1879 if(element->get_attribute("end-time"))
1880 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1882 if(element->get_attribute("antialias"))
1883 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
1885 if(element->get_attribute("view-box"))
1887 string values=element->get_attribute("view-box")->get_value();
1891 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
1892 values=string(values.begin()+values.find(' ')+1,values.end());
1893 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
1894 values=string(values.begin()+values.find(' ')+1,values.end());
1895 br[0]=atof(string(values.data(),values.find(' ')).c_str());
1896 values=string(values.begin()+values.find(' ')+1,values.end());
1897 br[1]=atof(values.c_str());
1899 canvas->rend_desc().set_tl(tl);
1900 canvas->rend_desc().set_br(br);
1903 if(element->get_attribute("bgcolor"))
1905 string values=element->get_attribute("bgcolor")->get_value();
1908 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
1909 values=string(values.begin()+values.find(' ')+1,values.end());
1911 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
1912 values=string(values.begin()+values.find(' ')+1,values.end());
1914 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
1915 values=string(values.begin()+values.find(' ')+1,values.end());
1917 bg.set_a(atof(values.c_str()));
1919 canvas->rend_desc().set_bg_color(bg);
1922 if(element->get_attribute("focus"))
1924 string values=element->get_attribute("focus")->get_value();
1927 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
1928 values=string(values.begin()+values.find(' ')+1,values.end());
1929 focus[1]=atof(values.c_str());
1931 canvas->rend_desc().set_focus(focus);
1934 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
1936 xmlpp::Element::NodeList list = element->get_children();
1937 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1939 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1942 if(child->get_name()=="defs")
1944 if(canvas->is_inline())
1945 error(child,_("Inline canvas cannot have a <defs> section"));
1946 parse_canvas_defs(child, canvas);
1949 if(child->get_name()=="keyframe")
1951 if(canvas->is_inline())
1953 warning(child,_("Inline canvas cannot have keyframes"));
1957 canvas->keyframe_list().add(parse_keyframe(child,canvas));
1958 canvas->keyframe_list().sync();
1961 if(child->get_name()=="meta")
1963 if(canvas->is_inline())
1965 warning(child,_("Inline canvases cannot have metadata"));
1969 String name,content;
1971 if(!child->get_attribute("name"))
1973 warning(child,_("<meta> must have a name"));
1977 if(!child->get_attribute("content"))
1979 warning(child,_("<meta> must have content"));
1983 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
1985 else if(child->get_name()=="name")
1987 xmlpp::Element::NodeList list = child->get_children();
1989 // If we don't have any name, warn
1991 warning(child,_("blank \"name\" entitity"));
1994 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1995 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
1996 canvas->set_name(tmp);
1999 if(child->get_name()=="desc")
2002 xmlpp::Element::NodeList list = child->get_children();
2004 // If we don't have any description, warn
2006 warning(child,_("blank \"desc\" entitity"));
2009 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2010 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2011 canvas->set_description(tmp);
2014 if(child->get_name()=="author")
2017 xmlpp::Element::NodeList list = child->get_children();
2019 // If we don't have any description, warn
2021 warning(child,_("blank \"author\" entitity"));
2024 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2025 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2026 canvas->set_author(tmp);
2029 if(child->get_name()=="layer")
2031 //if(canvas->is_inline())
2032 // canvas->push_front(parse_layer(child,canvas->parent()));
2034 canvas->push_front(parse_layer(child,canvas));
2037 error_unexpected_element(child,child->get_name());
2040 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2044 if(canvas->value_node_list().placeholder_count())
2046 error(element,strprintf(_("Canvas %s has undefined ValueNodes"),canvas->get_id().c_str()));
2053 CanvasParser::parse_from_file(const String &file)
2055 return parse_from_file_as(file,file);
2059 CanvasParser::parse_from_file_as(const String &file_,const String &as_)
2061 CHECK_EXPIRE_TIME();
2064 ChangeLocale change_locale(LC_NUMERIC, "C");
2065 String file(unix_to_local_path(file_));
2066 String as(unix_to_local_path(as_));
2068 if(get_open_canvas_map().count(etl::absolute_path(as)))
2069 return get_open_canvas_map()[etl::absolute_path(as)];
2073 xmlpp::DomParser parser(file);
2076 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2077 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2078 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2079 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2083 const ValueNodeList& value_node_list(canvas->value_node_list());
2086 ValueNodeList::const_iterator iter;
2087 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2089 ValueNode::Handle value_node(*iter);
2090 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2092 canvas->remove_value_node(value_node);
2100 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2101 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2102 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2103 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2104 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2105 catch(const std::exception& ex)
2107 synfig::error("Standard Exception: "+String(ex.what()));
2108 return Canvas::Handle();
2110 catch(const String& str)
2113 // synfig::error(str);
2114 return Canvas::Handle();
2116 return Canvas::Handle();
2120 CanvasParser::parse_from_string(const String &data)
2122 CHECK_EXPIRE_TIME();
2126 ChangeLocale change_locale(LC_NUMERIC, "C");
2127 filename=_("<INTERNAL>");
2129 xmlpp::DomParser parser;
2130 parser.parse_memory(data);
2131 xmlpp::Element *root=parser.get_document()->get_root_node();
2134 Canvas::Handle canvas(parse_canvas(root));
2135 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2136 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2138 const ValueNodeList& value_node_list(canvas->value_node_list());
2140 ValueNodeList::const_iterator iter;
2141 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2143 ValueNode::Handle value_node(*iter);
2144 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2146 canvas->remove_value_node(value_node);
2154 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2155 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2156 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2157 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2158 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2159 catch(const std::exception& ex)
2161 synfig::error("Standard Exception: "+String(ex.what()));
2162 return Canvas::Handle();
2164 catch(const String& str)
2167 // synfig::error(str);
2168 return Canvas::Handle();
2170 return Canvas::Handle();