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,Canvas::Handle canvas)
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,Canvas::Handle canvas)
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());
294 CanvasParser::parse_vector(xmlpp::Element *element,Canvas::Handle canvas)
296 assert(element->get_name()=="vector");
298 if(element->get_children().empty())
300 error(element, "Undefined value in <vector>");
306 xmlpp::Element::NodeList list = element->get_children();
307 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
309 xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
313 if(child->get_name()=="x")
315 if(child->get_children().empty())
317 error(element, "Undefined value in <x>");
320 vect[0]=atof(child->get_child_text()->get_content().c_str());
323 if(child->get_name()=="y")
325 if(child->get_children().empty())
327 error(element, "Undefined value in <y>");
330 vect[1]=atof(child->get_child_text()->get_content().c_str());
333 error_unexpected_element(child,child->get_name());
339 CanvasParser::parse_color(xmlpp::Element *element,Canvas::Handle canvas)
341 assert(element->get_name()=="color");
343 if(element->get_children().empty())
345 error(element, "Undefined value in <color>");
351 xmlpp::Element::NodeList list = element->get_children();
352 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
354 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
358 if(child->get_name()=="r")
360 if(child->get_children().empty())
362 error(element, "Undefined value in <r>");
365 color.set_r(atof(child->get_child_text()->get_content().c_str()));
368 if(child->get_name()=="g")
370 if(child->get_children().empty())
372 error(element, "Undefined value in <g>");
375 color.set_g(atof(child->get_child_text()->get_content().c_str()));
378 if(child->get_name()=="b")
380 if(child->get_children().empty())
382 error(element, "Undefined value in <b>");
385 color.set_b(atof(child->get_child_text()->get_content().c_str()));
388 if(child->get_name()=="a")
390 if(child->get_children().empty())
392 error(element, "Undefined value in <a>");
395 color.set_a(atof(child->get_child_text()->get_content().c_str()));
398 error_unexpected_element(child,child->get_name());
405 CanvasParser::parse_string(xmlpp::Element *element,Canvas::Handle canvas)
407 assert(element->get_name()=="string");
409 if(element->get_children().empty())
411 warning(element, "Undefined value in <string>");
412 return synfig::String();
415 if(element->get_child_text()->get_content().empty())
417 warning(element, "Content element of <string> appears to be empty");
418 return synfig::String();
421 return element->get_child_text()->get_content();
425 CanvasParser::parse_bool(xmlpp::Element *element,Canvas::Handle canvas)
427 assert(element->get_name()=="bool");
429 if(!element->get_children().empty())
430 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
432 if(!element->get_attribute("value"))
434 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
438 string val=element->get_attribute("value")->get_value();
440 if(val=="true" || val=="1")
442 if(val=="false" || val=="0")
445 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
451 CanvasParser::parse_gradient(xmlpp::Element *node,Canvas::Handle canvas)
453 assert(node->get_name()=="gradient");
456 xmlpp::Element::NodeList list = node->get_children();
457 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
459 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
464 Gradient::CPoint cpoint;
465 cpoint.color=parse_color(child,canvas);
467 if(!child->get_attribute("pos"))
469 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
473 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
475 ret.push_back(cpoint);
483 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
485 vector<ValueBase> value_list;
487 xmlpp::Element::NodeList list = element->get_children();
488 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
490 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
495 value_list.push_back(parse_value(child,canvas));
496 if(!value_list.back().is_valid())
498 value_list.pop_back();
499 error(child,"Bad ValueBase");
508 CanvasParser::parse_segment(xmlpp::Element *element,Canvas::Handle canvas)
510 assert(element->get_name()=="segment");
512 if(element->get_children().empty())
514 error(element, "Undefined value in <segment>");
520 xmlpp::Element::NodeList list = element->get_children();
521 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
523 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
527 if(child->get_name()=="p1")
529 xmlpp::Element::NodeList list = child->get_children();
530 xmlpp::Element::NodeList::iterator iter;
532 // Search for the first non-text XML element
533 for(iter = list.begin(); iter != list.end(); ++iter)
534 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
538 error(element, "Undefined value in <p1>");
542 if((*iter)->get_name()!="vector")
544 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
548 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
551 if(child->get_name()=="t1")
553 xmlpp::Element::NodeList list = child->get_children();
554 xmlpp::Element::NodeList::iterator iter;
556 // Search for the first non-text XML element
557 for(iter = list.begin(); iter != list.end(); ++iter)
558 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
562 error(element, "Undefined value in <t1>");
566 if((*iter)->get_name()!="vector")
568 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
572 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
575 if(child->get_name()=="p2")
577 xmlpp::Element::NodeList list = child->get_children();
578 xmlpp::Element::NodeList::iterator iter;
580 // Search for the first non-text XML element
581 for(iter = list.begin(); iter != list.end(); ++iter)
582 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
586 error(element, "Undefined value in <p2>");
590 if((*iter)->get_name()!="vector")
592 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
596 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
599 if(child->get_name()=="t2")
601 xmlpp::Element::NodeList list = child->get_children();
602 xmlpp::Element::NodeList::iterator iter;
604 // Search for the first non-text XML element
605 for(iter = list.begin(); iter != list.end(); ++iter)
606 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
610 error(element, "Undefined value in <t2>");
614 if((*iter)->get_name()!="vector")
616 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
620 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
623 error_unexpected_element(child,child->get_name());
629 CanvasParser::parse_bline_point(xmlpp::Element *element,Canvas::Handle canvas)
631 assert(element->get_name()=="bline_point");
632 if(element->get_children().empty())
634 error(element, "Undefined value in <bline_point>");
639 ret.set_split_tangent_flag(false);
641 xmlpp::Element::NodeList list = element->get_children();
642 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
644 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
649 if(child->get_name()[0]=='v' || child->get_name()=="p1")
651 xmlpp::Element::NodeList list = child->get_children();
652 xmlpp::Element::NodeList::iterator iter;
654 // Search for the first non-text XML element
655 for(iter = list.begin(); iter != list.end(); ++iter)
656 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
660 error(element, "Undefined value in <vertex>");
664 if((*iter)->get_name()!="vector")
666 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
670 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas));
674 if(child->get_name()=="t1" || child->get_name()=="tangent")
676 xmlpp::Element::NodeList list = child->get_children();
677 xmlpp::Element::NodeList::iterator iter;
679 // Search for the first non-text XML element
680 for(iter = list.begin(); iter != list.end(); ++iter)
681 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
685 error(element, "Undefined value in <t1>");
689 if((*iter)->get_name()!="vector")
691 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
695 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas));
699 if(child->get_name()=="t2")
701 xmlpp::Element::NodeList list = child->get_children();
702 xmlpp::Element::NodeList::iterator iter;
704 // Search for the first non-text XML element
705 for(iter = list.begin(); iter != list.end(); ++iter)
706 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
710 error(element, "Undefined value in <t2>");
714 if((*iter)->get_name()!="vector")
716 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
720 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas));
721 ret.set_split_tangent_flag(true);
725 if(child->get_name()=="width")
727 xmlpp::Element::NodeList list = child->get_children();
728 xmlpp::Element::NodeList::iterator iter;
730 // Search for the first non-text XML element
731 for(iter = list.begin(); iter != list.end(); ++iter)
732 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
736 error(element, "Undefined value in <width>");
740 if((*iter)->get_name()!="real")
742 error_unexpected_element((*iter),(*iter)->get_name(),"real");
746 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter),canvas));
750 if(child->get_name()=="origin")
752 xmlpp::Element::NodeList list = child->get_children();
753 xmlpp::Element::NodeList::iterator iter;
755 // Search for the first non-text XML element
756 for(iter = list.begin(); iter != list.end(); ++iter)
757 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
761 error(element, "Undefined value in <origin>");
765 if((*iter)->get_name()!="real")
767 error_unexpected_element((*iter),(*iter)->get_name(),"real");
771 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter),canvas));
774 error_unexpected_element(child,child->get_name());
780 CanvasParser::parse_angle(xmlpp::Element *element,Canvas::Handle canvas)
782 assert(element->get_name()=="angle");
784 if(!element->get_children().empty())
785 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
787 if(!element->get_attribute("value"))
789 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
793 string val=element->get_attribute("value")->get_value();
795 return Angle::deg(atof(val.c_str()));
799 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
801 if(element->get_name()=="real")
802 return parse_real(element,canvas);
804 if(element->get_name()=="time")
805 return parse_time(element,canvas);
807 if(element->get_name()=="integer")
808 return parse_integer(element,canvas);
810 if(element->get_name()=="string")
811 return parse_string(element,canvas);
813 if(element->get_name()=="vector")
815 return parse_vector(element,canvas);
818 if(element->get_name()=="color")
819 return parse_color(element,canvas);
821 if(element->get_name()=="segment")
822 return parse_segment(element,canvas);
824 if(element->get_name()=="list")
825 return parse_list(element,canvas);
827 if(element->get_name()=="gradient")
828 return parse_gradient(element,canvas);
830 if(element->get_name()=="bool")
831 return parse_bool(element,canvas);
833 //if(element->get_name()=="canvas")
834 // return parse_canvas(element,canvas,true); // inline canvas
836 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
837 return parse_angle(element,canvas);
839 if(element->get_name()=="bline_point")
840 return parse_bline_point(element,canvas);
842 if(element->get_name()=="canvas")
843 return ValueBase(parse_canvas(element,canvas,true));
847 error_unexpected_element(element,element->get_name());
856 ValueNode_Animated::Handle
857 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
859 assert(element->get_name()=="hermite" || element->get_name()=="animated");
861 if(!element->get_attribute("type"))
863 error(element,"Missing attribute \"type\" in <animated>");
864 return ValueNode_Animated::Handle();
867 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
871 error(element,"Bad type in <animated>");
872 return ValueNode_Animated::Handle();
875 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
879 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_name(type).c_str()));
880 return ValueNode_Animated::Handle();
883 value_node->set_root_canvas(canvas->get_root());
885 xmlpp::Element::NodeList list = element->get_children();
886 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
888 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
892 if(child->get_name()=="waypoint")
894 if(!child->get_attribute("time"))
896 error(child,_("<waypoint> is missing attribute \"time\""));
900 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
903 ValueNode::Handle waypoint_value_node;
904 xmlpp::Element::NodeList list = child->get_children();
906 if(child->get_attribute("use"))
909 warning(child,_("Found \"use\" attribute for <waypoint>, but it wasn't empty. Ignoring contents..."));
911 // the waypoint might look like this, in which case we won't find "mycanvas" in the list of valuenodes, 'cos it's a canvas
913 // <animated type="canvas">
914 // <waypoint time="0s" use="mycanvas"/>
916 if (type==ValueBase::TYPE_CANVAS)
917 waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value()));
919 waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
923 if(child->get_children().empty())
925 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
929 xmlpp::Element::NodeList::iterator iter;
931 // Search for the first non-text XML element
932 for(iter = list.begin(); iter != list.end(); ++iter)
933 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
937 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
941 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
944 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
948 error(child,_("Bad data for <waypoint>"));
952 if(!waypoint_value_node)
954 error(child,_("Bad data for <waypoint>"));
958 /*! HACK -- This is a temporary fix to help repair some
959 ** weirdness that is currently going on (10-21-2004).
960 ** This short circuits the linking of waypoints,
961 ** a feature which is so obscure that we can get
962 ** away with something like this pretty easily.
964 waypoint_value_node=waypoint_value_node->clone();
966 // Warn if there is trash after the param value
967 for(iter++; iter != list.end(); ++iter)
968 if(dynamic_cast<xmlpp::Element*>(*iter))
969 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
974 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
976 if(child->get_attribute("tension"))
978 synfig::String str(child->get_attribute("tension")->get_value());
979 waypoint->set_tension(atof(str.c_str()));
981 if(child->get_attribute("temporal-tension"))
983 synfig::String str(child->get_attribute("temporal-tension")->get_value());
984 waypoint->set_time_tension(atof(str.c_str()));
986 if(child->get_attribute("continuity"))
988 synfig::String str(child->get_attribute("continuity")->get_value());
989 waypoint->set_continuity(atof(str.c_str()));
991 if(child->get_attribute("bias"))
993 synfig::String str(child->get_attribute("bias")->get_value());
994 waypoint->set_bias(atof(str.c_str()));
997 if(child->get_attribute("before"))
999 string val=child->get_attribute("before")->get_value();
1001 waypoint->set_before(INTERPOLATION_HALT);
1002 else if(val=="constant")
1003 waypoint->set_before(INTERPOLATION_CONSTANT);
1004 else if(val=="linear")
1005 waypoint->set_before(INTERPOLATION_LINEAR);
1006 else if(val=="manual")
1007 waypoint->set_before(INTERPOLATION_MANUAL);
1008 else if(val=="auto")
1009 waypoint->set_before(INTERPOLATION_TCB);
1011 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1014 if(child->get_attribute("after"))
1016 string val=child->get_attribute("after")->get_value();
1018 waypoint->set_after(INTERPOLATION_HALT);
1019 else if(val=="constant")
1020 waypoint->set_after(INTERPOLATION_CONSTANT);
1021 else if(val=="linear")
1022 waypoint->set_after(INTERPOLATION_LINEAR);
1023 else if(val=="manual")
1024 waypoint->set_after(INTERPOLATION_MANUAL);
1025 else if(val=="auto")
1026 waypoint->set_after(INTERPOLATION_TCB);
1028 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1031 catch(Exception::BadTime x)
1033 warning(child,x.what());
1039 error_unexpected_element(child,child->get_name());
1041 value_node->changed();
1045 // This function is a phase-out hack for the timed swap value node
1046 etl::handle<ValueNode_Animated>
1047 CanvasParser::parse_timedswap(xmlpp::Element *node,Canvas::Handle canvas)
1049 ValueNode_TimedSwap::Handle timed_swap(parse_linkable_value_node(node,canvas));
1053 ValueNode_Animated::Handle animated(ValueNode_Animated::create(timed_swap->get_type()));
1055 animated->set_root_canvas(canvas->get_root());
1059 Time swap_time, swap_length;
1060 (*timed_swap->get_swap_time())(0).put(&swap_time);
1061 (*timed_swap->get_swap_length())(0).put(&swap_length);
1063 animated->new_waypoint(swap_time-swap_length,timed_swap->get_before());
1064 animated->new_waypoint(swap_time,timed_swap->get_after());
1070 handle<ValueNode_Subtract>
1071 CanvasParser::parse_subtract(xmlpp::Element *element,Canvas::Handle canvas)
1073 assert(element->get_name()=="subtract");
1075 handle<ValueNode_Subtract> value_node;
1076 handle<ValueNode> lhs,rhs,scalar;
1078 if(element->get_attribute("type"))
1080 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1084 error(element,"Bad type in <subtract>");
1085 return ValueNode_Subtract::Handle();
1087 value_node=ValueNode_Subtract::create(type);
1090 value_node=ValueNode_Subtract::create();
1094 error(element,strprintf(_("Unable to create <subtract>")));
1095 return handle<ValueNode_Subtract>();
1098 //if(element->get_attribute("scalar"))
1100 // value_node->set_scalar(atof(element->get_attribute("scalar")->get_value().c_str()));
1105 if(element->get_attribute("scalar"))
1107 // This is for compatibility with older versions of the file format
1108 String value(element->get_attribute("scalar")->get_value());
1109 if((value[0]<='9' && value[0]>='0') || value[0]=='-')
1111 warning(element, _("Use of a real value where the ID should be is deprecated"));
1112 value_node->set_scalar(atof(value.c_str()));
1115 value_node->set_scalar(canvas->surefind_value_node(value));
1116 scalar=value_node->get_scalar();
1119 if(element->get_attribute("lhs"))
1121 lhs=canvas->surefind_value_node(element->get_attribute("lhs")->get_value());
1122 value_node->set_lhs(lhs);
1125 if(element->get_attribute("rhs"))
1127 rhs=canvas->surefind_value_node(element->get_attribute("rhs")->get_value());
1128 value_node->set_rhs(rhs);
1131 catch (Exception::IDNotFound)
1133 error(element,"attribute in <subtract> references unknown ID");
1135 catch (Exception::FileNotFound)
1137 error(element,"Unable to open external file referenced in ID");
1140 xmlpp::Element::NodeList list = element->get_children();
1141 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1143 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1147 if(child->get_name()=="lhs")
1151 error(child,"LHS component of <subtract> already defined!");
1155 xmlpp::Element::NodeList list = child->get_children();
1156 xmlpp::Element::NodeList::iterator iter;
1158 // Search for the first non-text XML element
1159 for(iter = list.begin(); iter != list.end(); ++iter)
1160 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1162 if(iter==list.end())
1164 error(child,_("<lhs> is missing its contents"));
1168 lhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1171 value_node->set_lhs(lhs);
1174 error((*iter),"Parse of LHS ValueNode failed");
1177 // \todo do a search for more elements and warn if they are found
1180 if(child->get_name()=="rhs")
1184 error(child,"RHS component of <subtract> already defined!");
1188 xmlpp::Element::NodeList list = child->get_children();
1189 xmlpp::Element::NodeList::iterator iter;
1191 // Search for the first non-text XML element
1192 for(iter = list.begin(); iter != list.end(); ++iter)
1193 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1195 if(iter==list.end())
1197 error(child,_("<rhs> is missing its contents"));
1201 rhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1204 value_node->set_rhs(rhs);
1207 error((*iter),"Parse of RHS ValueNode failed");
1210 // \todo do a search for more elements and warn if they are found
1213 if(child->get_name()=="scalar")
1217 error(child,"scalar component of <subtract> already defined!");
1221 xmlpp::Element::NodeList list = child->get_children();
1222 xmlpp::Element::NodeList::iterator iter;
1224 // Search for the first non-text XML element
1225 for(iter = list.begin(); iter != list.end(); ++iter)
1226 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1228 if(iter==list.end())
1230 error(child,_("<scalar> is missing its contents"));
1234 scalar=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1237 value_node->set_scalar(scalar);
1240 error((*iter),"Parse of scalar ValueNode failed");
1243 // \todo do a search for more elements and warn if they are found
1246 error_unexpected_element(child,child->get_name());
1249 if(!value_node->get_rhs() || !value_node->get_lhs() || !value_node->get_scalar())
1250 error(element,"<subtract> is missing LHS, RHS, or SCALAR");
1252 if(value_node->get_rhs() == value_node->get_lhs())
1253 warning(element,"LHS is equal to RHS in <subtract>, so this value_node will always be zero!");
1258 etl::handle<LinkableValueNode>
1259 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1261 handle<LinkableValueNode> value_node;
1262 ValueBase::Type type;
1264 // Determine the type
1265 if(element->get_attribute("type"))
1267 type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1271 error(element,"Bad type in ValueNode");
1277 error(element,"Missing type in ValueNode");
1281 value_node=LinkableValueNode::create(element->get_name(),type);
1285 error(element,"Unknown ValueNode type "+element->get_name());
1289 if(value_node->get_type()!=type)
1291 error(element,"ValueNode did not accept type");
1295 value_node->set_root_canvas(canvas->get_root());
1298 for(i=0;i<value_node->link_count();i++)
1300 if(element->get_attribute(value_node->link_name(i)))
1302 String id(element->get_attribute(value_node->link_name(i))->get_value());
1304 if(!value_node->set_link(i,
1305 canvas->surefind_value_node(
1309 ) 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()));
1311 catch(Exception::IDNotFound)
1313 error(element,"Unable to resolve "+element->get_attribute(value_node->link_name(i))->get_value());
1315 catch(Exception::FileNotFound)
1317 error(element,"Unable to open file referenced in "+element->get_attribute(value_node->link_name(i))->get_value());
1321 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""),
1322 element->get_attribute(value_node->link_name(i))->get_value().c_str()));
1329 xmlpp::Element::NodeList list = element->get_children();
1330 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1332 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1337 int index=value_node->get_link_index_from_name(child->get_name());
1339 xmlpp::Element::NodeList list = child->get_children();
1340 xmlpp::Element::NodeList::iterator iter;
1342 // Search for the first non-text XML element
1343 for(iter = list.begin(); iter != list.end(); ++iter)
1344 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1346 if(iter==list.end())
1348 error(child,_("element is missing its contents"));
1352 ValueNode::Handle link=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1356 error((*iter),"Parse of ValueNode failed");
1359 if(!value_node->set_link(index,link))
1361 //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));
1362 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));
1365 // \todo do a search for more elements and warn if they are found
1368 catch(Exception::BadLinkName)
1370 error_unexpected_element(child,child->get_name());
1374 error(child,strprintf(_("Unknown Exception thrown when working on element \"%s\""),child->get_name().c_str()));
1382 handle<ValueNode_Composite>
1383 CanvasParser::parse_composite(xmlpp::Element *element,Canvas::Handle canvas)
1385 assert(element->get_name()=="composite");
1387 if(!element->get_attribute("type"))
1389 error(element,"Missing attribute \"type\" in <composite>");
1390 return handle<ValueNode_Composite>();
1393 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1397 error(element,"Bad type in <composite>");
1398 return handle<ValueNode_Composite>();
1401 handle<ValueNode_Composite> value_node=ValueNode_Composite::create(type);
1402 handle<ValueNode> c[6];
1406 error(element,strprintf(_("Unable to create <composite>")));
1407 return handle<ValueNode_Composite>();
1412 for(i=0;i<value_node->link_count();i++)
1414 string name=strprintf("c%d",i+1);
1417 error(element,name+" was already defined in <composite>");
1420 if(element->get_attribute(name))
1422 c[i]=canvas->surefind_value_node(element->get_attribute(name)->get_value());
1425 if(!value_node->set_link(i,c[i]))
1427 error(element,'"'+name+"\" attribute in <composite> has bad type");
1431 error(element,'"'+name+"\" attribute in <composite> references unknown ID");
1435 xmlpp::Element::NodeList list = element->get_children();
1436 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1438 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1442 for(i=0;i<value_node->link_count();i++)
1444 string name=strprintf("c%d",i+1);
1445 if(child->get_name()==name)
1449 error(child,name+" was already defined in <composite>");
1453 xmlpp::Element::NodeList list = child->get_children();
1454 xmlpp::Element::NodeList::iterator iter;
1456 // Search for the first non-text XML element
1457 for(iter = list.begin(); iter != list.end(); ++iter)
1458 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1460 if(iter==list.end())
1462 error(child,strprintf(_("<%s> is missing its contents"),name.c_str()));
1466 c[i]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1470 error((*iter),"Parse of "+name+" ValueNode failed");
1474 if(!value_node->set_link(i,c[i]))
1476 error(child,strprintf(_("<%s> has a bad value"),name.c_str()));
1480 // \todo do a search for more elements and warn if they are found
1484 // somewhat of a hack, but it works
1485 if(i==value_node->link_count()) error_unexpected_element(child,child->get_name());
1488 switch(value_node->link_count())
1491 if(!value_node->get_link(0))
1493 error(element,"<composite> is missing parameters");
1494 return handle<ValueNode_Composite>();
1498 if(!value_node->get_link(0) ||!value_node->get_link(1))
1500 error(element,"<composite> is missing parameters");
1501 return handle<ValueNode_Composite>();
1505 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2))
1507 error(element,"<composite> is missing parameters");
1508 return handle<ValueNode_Composite>();
1512 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2) ||!value_node->get_link(3))
1514 error(element,"<composite> is missing parameters");
1515 return handle<ValueNode_Composite>();
1522 // This will also parse a bline
1523 handle<ValueNode_DynamicList>
1524 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1526 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1528 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1530 if(!element->get_attribute("type"))
1532 error(element,"Missing attribute \"type\" in <dynamic_list>");
1533 return handle<ValueNode_DynamicList>();
1536 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1540 error(element,"Bad type in <dynamic_list>");
1541 return handle<ValueNode_DynamicList>();
1544 handle<ValueNode_DynamicList> value_node;
1545 handle<ValueNode_BLine> bline_value_node;
1547 if(element->get_name()=="bline")
1549 value_node=bline_value_node=ValueNode_BLine::create();
1550 if(element->get_attribute("loop"))
1552 String loop=element->get_attribute("loop")->get_value();
1553 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1554 bline_value_node->set_loop(true);
1556 bline_value_node->set_loop(false);
1561 value_node=ValueNode_DynamicList::create(type);
1565 error(element,strprintf(_("Unable to create <dynamic_list>")));
1566 return handle<ValueNode_DynamicList>();
1569 value_node->set_root_canvas(canvas->get_root());
1571 xmlpp::Element::NodeList list = element->get_children();
1572 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1574 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1578 if(child->get_name()=="entry")
1580 ValueNode_DynamicList::ListEntry list_entry;
1582 // Parse begin/end waypoints
1584 typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1585 typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1587 String begin_sequence;
1588 String end_sequence;
1590 ActivepointList &timing_info(list_entry.timing_info);
1592 if(child->get_attribute("begin"))
1593 begin_sequence=child->get_attribute("begin")->get_value();
1595 if(child->get_attribute("on"))
1596 begin_sequence=child->get_attribute("on")->get_value();
1598 if(child->get_attribute("end"))
1599 end_sequence=child->get_attribute("end")->get_value();
1601 if(child->get_attribute("off"))
1602 end_sequence=child->get_attribute("off")->get_value();
1604 // clear out any auto-start
1605 if(!begin_sequence.empty())
1606 timing_info.clear();
1609 while(!begin_sequence.empty())
1611 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1612 String timecode(begin_sequence.begin(), iter);
1615 // skip whitespace before checking for a priority
1616 while (isspace(timecode[0]))
1617 timecode=timecode.substr(1);
1619 // If there is a priority, then grab it and remove
1620 // it from the timecode
1621 if(timecode[0]=='p')
1623 //priority=timecode[1]-'0';
1624 //timecode=String(timecode.begin()+3,timecode.end());
1625 int space=timecode.find_first_of(' ');
1626 priority=atoi(String(timecode,1,space-1).c_str());
1627 timecode=String(timecode.begin()+space+1,timecode.end());
1628 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1631 timing_info.push_back(
1637 true, // Mark as a "on" activepoint
1642 if(iter==begin_sequence.end())
1643 begin_sequence.clear();
1645 begin_sequence=String(iter+1,begin_sequence.end());
1649 while(!end_sequence.empty())
1651 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1652 String timecode(end_sequence.begin(), iter);
1655 // skip whitespace before checking for a priority
1656 while (isspace(timecode[0]))
1657 timecode=timecode.substr(1);
1659 // If there is a priority, then grab it and remove
1660 // it from the timecode
1661 if(timecode[0]=='p')
1663 //priority=timecode[1]-'0';
1664 //timecode=String(timecode.begin()+3,timecode.end());
1665 int space=timecode.find_first_of(' ');
1666 priority=atoi(String(timecode,1,space-1).c_str());
1667 timecode=String(timecode.begin()+space+1,timecode.end());
1668 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1671 timing_info.push_back(
1677 false, // Mark as a "off" activepoint
1681 if(iter==end_sequence.end())
1682 end_sequence.clear();
1684 end_sequence=String(iter+1,end_sequence.end());
1690 if(child->get_attribute("use"))
1692 // \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
1693 string id=child->get_attribute("use")->get_value();
1696 list_entry.value_node=canvas->surefind_value_node(id);
1698 catch(Exception::IDNotFound)
1700 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1706 xmlpp::Element::NodeList list = child->get_children();
1707 xmlpp::Element::NodeList::iterator iter;
1709 // Search for the first non-text XML element
1710 for(iter = list.begin(); iter != list.end(); ++iter)
1711 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1713 if(iter==list.end())
1715 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1719 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1721 if(!list_entry.value_node)
1722 error((*iter),"Parse of ValueNode failed");
1724 // \todo do a search for more elements and warn if they are found
1728 value_node->add(list_entry);
1729 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1732 error_unexpected_element(child,child->get_name());
1738 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1740 handle<ValueNode> value_node;
1745 if(element->get_attribute("guid"))
1747 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1748 value_node=guid_cast<ValueNode>(guid);
1753 // If ValueBase::ident_type() recognises the name, then we know it's a ValueBase
1754 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1756 ValueBase data=parse_value(element,canvas);
1758 if(!data.is_valid())
1760 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1764 // We want to convert this ValueBase into a
1765 // ValueNode_Const. That way, we can treat the
1766 // ID like any other Datanode. Think of this
1767 // as a shorthand for creating constant ValueNodes.
1769 value_node=ValueNode_Const::create(data);
1772 if(element->get_name()=="hermite" || element->get_name()=="animated")
1773 value_node=parse_animated(element,canvas);
1775 if(element->get_name()=="subtract")
1776 value_node=parse_subtract(element,canvas);
1778 if(element->get_name()=="composite")
1779 value_node=parse_composite(element,canvas);
1781 if(element->get_name()=="dynamic_list")
1782 value_node=parse_dynamic_list(element,canvas);
1784 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1785 value_node=parse_dynamic_list(element,canvas);
1787 if(element->get_name()=="timed_swap")
1788 value_node=parse_timedswap(element,canvas);
1790 if(LinkableValueNode::book().count(element->get_name()))
1791 value_node=parse_linkable_value_node(element,canvas);
1793 if(element->get_name()=="canvas")
1794 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1797 error_unexpected_element(element,element->get_name());
1798 error(element, "Expected a ValueNode");
1802 value_node->set_root_canvas(canvas->get_root());
1805 // If we were successful, and our element has
1806 // an ID attribute, go ahead and add it to the
1808 if(value_node && element->get_attribute("id"))
1810 string id=element->get_attribute("id")->get_value();
1812 //value_node->set_id(id);
1814 // If there is already a value_node in the list
1815 // with the same ID, then that is an error
1816 try { canvas->add_value_node(value_node,id); }
1817 catch(Exception::BadLinkName)
1819 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1822 catch(Exception::IDAlreadyExists)
1824 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1829 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1833 value_node->set_guid(guid);
1838 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1840 assert(element->get_name()=="defs");
1841 xmlpp::Element::NodeList list = element->get_children();
1842 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1844 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1848 if(child->get_name()=="canvas")
1849 parse_canvas(child, canvas);
1851 parse_value_node(child,canvas);
1856 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1859 assert(element->get_name()=="layer");
1860 Layer::Handle layer;
1862 if(!element->get_attribute("type"))
1864 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1865 return Layer::Handle();
1868 layer=Layer::create(element->get_attribute("type")->get_value());
1869 layer->set_canvas(canvas);
1871 if(element->get_attribute("group"))
1873 layer->add_to_group(
1874 element->get_attribute("group")->get_value()
1878 // Handle the version attribute
1879 if(element->get_attribute("version"))
1881 String version(element->get_attribute("version")->get_value());
1882 if(version>layer->get_version())
1883 warning(element,_("Installed layer version is larger than layer version in file"));
1884 if(version!=layer->get_version())
1885 layer->set_version(version);
1888 // Handle the description
1889 if(element->get_attribute("desc"))
1890 layer->set_description(element->get_attribute("desc")->get_value());
1892 if(element->get_attribute("active"))
1893 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1895 xmlpp::Element::NodeList list = element->get_children();
1896 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1898 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1902 if(child->get_name()=="name")
1903 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1905 if(child->get_name()=="desc")
1906 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1908 if(child->get_name()=="param")
1910 xmlpp::Element::NodeList list = child->get_children();
1912 if(!child->get_attribute("name"))
1914 error(child,_("Missing \"name\" attribute for <param>."));
1918 String param_name=child->get_attribute("name")->get_value();
1920 if(child->get_attribute("use"))
1922 // If the "use" attribute is used, then the
1923 // element should be empty. Warn the user if
1924 // we find otherwise.
1926 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1928 String str= child->get_attribute("use")->get_value();
1930 if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1932 if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
1933 error((*iter),_("Layer rejected canvas link"));
1938 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1940 // Assign the value_node to the dynamic parameter list
1941 layer->connect_dynamic_param(param_name,value_node);
1943 catch(Exception::IDNotFound)
1945 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1951 xmlpp::Element::NodeList::iterator iter;
1953 // Search for the first non-text XML element
1954 for(iter = list.begin(); iter != list.end(); ++iter)
1955 if(dynamic_cast<xmlpp::Element*>(*iter))
1957 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1959 if(iter==list.end())
1961 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1965 // If we recognise the element name as a
1966 // ValueBase, then treat is at one
1967 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1969 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1971 if(!data.is_valid())
1973 error((*iter),_("Bad data for <param>"));
1977 // Set the layer's parameter, and make sure that
1978 // the layer liked it
1979 if(!layer->set_param(param_name,data))
1981 warning((*iter),_("Layer rejected value for <param>"));
1985 else // ... otherwise, we assume that it is a ValueNode
1987 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1991 error((*iter),_("Bad data for <param>"));
1995 // Assign the value_node to the dynamic parameter list
1996 layer->connect_dynamic_param(param_name,value_node);
1999 // Warn if there is trash after the param value
2000 for(iter++; iter != list.end(); ++iter)
2001 if(dynamic_cast<xmlpp::Element*>(*iter))
2002 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
2006 error_unexpected_element(child,child->get_name());
2009 layer->reset_version();
2014 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
2017 if(element->get_name()!="canvas")
2019 error_unexpected_element(element,element->get_name(),"canvas");
2020 return Canvas::Handle();
2022 Canvas::Handle canvas;
2026 if(parent && (element->get_attribute("id") || inline_))
2030 canvas=Canvas::create_inline(parent);
2036 canvas=parent->find_canvas(element->get_attribute("id")->get_value());
2040 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
2043 canvas->rend_desc().clear_flags();
2047 canvas=Canvas::create();
2048 if(filename=="/dev/stdin")
2049 canvas->set_file_name("./stdin.sif");
2051 canvas->set_file_name(filename);
2052 canvas->rend_desc().clear_flags();
2055 if(element->get_attribute("guid"))
2057 GUID guid(element->get_attribute("guid")->get_value());
2058 if(guid_cast<Canvas>(guid))
2059 return guid_cast<Canvas>(guid);
2061 canvas->set_guid(guid);
2064 if(element->get_attribute("width"))
2065 canvas->rend_desc().set_w(atoi(element->get_attribute("width")->get_value().c_str()));
2067 if(element->get_attribute("height"))
2068 canvas->rend_desc().set_h(atoi(element->get_attribute("height")->get_value().c_str()));
2070 if(element->get_attribute("xres"))
2071 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
2073 if(element->get_attribute("yres"))
2074 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
2077 if(element->get_attribute("fps"))
2078 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
2080 if(element->get_attribute("start-time"))
2081 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2083 if(element->get_attribute("begin-time"))
2084 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2086 if(element->get_attribute("end-time"))
2087 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2089 if(element->get_attribute("antialias"))
2090 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
2092 if(element->get_attribute("view-box"))
2094 string values=element->get_attribute("view-box")->get_value();
2098 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
2099 values=string(values.begin()+values.find(' ')+1,values.end());
2100 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
2101 values=string(values.begin()+values.find(' ')+1,values.end());
2102 br[0]=atof(string(values.data(),values.find(' ')).c_str());
2103 values=string(values.begin()+values.find(' ')+1,values.end());
2104 br[1]=atof(values.c_str());
2106 canvas->rend_desc().set_tl(tl);
2107 canvas->rend_desc().set_br(br);
2110 if(element->get_attribute("bgcolor"))
2112 string values=element->get_attribute("bgcolor")->get_value();
2115 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
2116 values=string(values.begin()+values.find(' ')+1,values.end());
2118 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
2119 values=string(values.begin()+values.find(' ')+1,values.end());
2121 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
2122 values=string(values.begin()+values.find(' ')+1,values.end());
2124 bg.set_a(atof(values.c_str()));
2126 canvas->rend_desc().set_bg_color(bg);
2129 if(element->get_attribute("focus"))
2131 string values=element->get_attribute("focus")->get_value();
2134 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
2135 values=string(values.begin()+values.find(' ')+1,values.end());
2136 focus[1]=atof(values.c_str());
2138 canvas->rend_desc().set_focus(focus);
2141 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
2143 xmlpp::Element::NodeList list = element->get_children();
2144 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2146 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
2149 if(child->get_name()=="defs")
2151 if(canvas->is_inline())
2152 error(child,_("Inline canvas cannot have a <defs> section"));
2153 parse_canvas_defs(child, canvas);
2156 if(child->get_name()=="keyframe")
2158 if(canvas->is_inline())
2160 warning(child,_("Inline canvas cannot have keyframes"));
2164 canvas->keyframe_list().add(parse_keyframe(child,canvas));
2165 canvas->keyframe_list().sync();
2168 if(child->get_name()=="meta")
2170 if(canvas->is_inline())
2172 warning(child,_("Inline canvases cannot have metadata"));
2176 String name,content;
2178 if(!child->get_attribute("name"))
2180 warning(child,_("<meta> must have a name"));
2184 if(!child->get_attribute("content"))
2186 warning(child,_("<meta> must have content"));
2190 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
2192 else if(child->get_name()=="name")
2194 xmlpp::Element::NodeList list = child->get_children();
2196 // If we don't have any name, warn
2198 warning(child,_("blank \"name\" entitity"));
2201 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2202 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2203 canvas->set_name(tmp);
2206 if(child->get_name()=="desc")
2209 xmlpp::Element::NodeList list = child->get_children();
2211 // If we don't have any description, warn
2213 warning(child,_("blank \"desc\" entitity"));
2216 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2217 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2218 canvas->set_description(tmp);
2221 if(child->get_name()=="author")
2224 xmlpp::Element::NodeList list = child->get_children();
2226 // If we don't have any description, warn
2228 warning(child,_("blank \"author\" entitity"));
2231 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2232 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2233 canvas->set_author(tmp);
2236 if(child->get_name()=="layer")
2238 //if(canvas->is_inline())
2239 // canvas->push_front(parse_layer(child,canvas->parent()));
2241 canvas->push_front(parse_layer(child,canvas));
2244 error_unexpected_element(child,child->get_name());
2247 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2251 if(canvas->value_node_list().placeholder_count())
2253 error(element,strprintf(_("Canvas %s has undefined ValueNodes"),canvas->get_id().c_str()));
2260 CanvasParser::parse_from_file(const String &file)
2262 return parse_from_file_as(file,file);
2266 CanvasParser::parse_from_file_as(const String &file_,const String &as_)
2268 CHECK_EXPIRE_TIME();
2271 ChangeLocale change_locale(LC_NUMERIC, "C");
2272 String file(unix_to_local_path(file_));
2273 String as(unix_to_local_path(as_));
2275 if(get_open_canvas_map().count(etl::absolute_path(as)))
2276 return get_open_canvas_map()[etl::absolute_path(as)];
2280 xmlpp::DomParser parser(file);
2283 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2284 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2285 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2286 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2290 const ValueNodeList& value_node_list(canvas->value_node_list());
2293 ValueNodeList::const_iterator iter;
2294 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2296 ValueNode::Handle value_node(*iter);
2297 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2299 canvas->remove_value_node(value_node);
2307 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2308 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2309 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2310 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2311 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2312 catch(const std::exception& ex)
2314 synfig::error("Standard Exception: "+String(ex.what()));
2315 return Canvas::Handle();
2317 catch(const String& str)
2320 // synfig::error(str);
2321 return Canvas::Handle();
2323 return Canvas::Handle();
2327 CanvasParser::parse_from_string(const String &data)
2329 CHECK_EXPIRE_TIME();
2333 ChangeLocale change_locale(LC_NUMERIC, "C");
2334 filename=_("<INTERNAL>");
2336 xmlpp::DomParser parser;
2337 parser.parse_memory(data);
2338 xmlpp::Element *root=parser.get_document()->get_root_node();
2341 Canvas::Handle canvas(parse_canvas(root));
2342 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2343 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2345 const ValueNodeList& value_node_list(canvas->value_node_list());
2347 ValueNodeList::const_iterator iter;
2348 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2350 ValueNode::Handle value_node(*iter);
2351 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2353 canvas->remove_value_node(value_node);
2361 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2362 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2363 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2364 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2365 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2366 catch(const std::exception& ex)
2368 synfig::error("Standard Exception: "+String(ex.what()));
2369 return Canvas::Handle();
2371 catch(const String& str)
2374 // synfig::error(str);
2375 return Canvas::Handle();
2377 return Canvas::Handle();