1 /* === S Y N F I G ========================================================= */
2 /*! \file loadcanvas.cpp
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007, 2008 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
36 #include <ETL/stringf>
37 #include <libxml++/libxml++.h>
42 #include "loadcanvas.h"
43 #include "valuenode.h"
44 #include "valuenode_subtract.h"
45 #include "valuenode_animated.h"
46 #include "valuenode_composite.h"
47 #include "valuenode_const.h"
48 #include "valuenode_linear.h"
49 #include "valuenode_dynamiclist.h"
50 #include "valuenode_reference.h"
51 #include "valuenode_scale.h"
52 #include "valuenode_timedswap.h"
53 #include "valuenode_twotone.h"
54 #include "valuenode_stripes.h"
55 #include "valuenode_segcalctangent.h"
56 #include "valuenode_segcalcvertex.h"
57 #include "valuenode_bline.h"
62 #include "exception.h"
67 #include <sigc++/bind.h>
71 /* === U S I N G =========================================================== */
74 using namespace synfig;
81 test_class() { assert(!bleh); bleh++; synfig::info("test_class: initi: %d",bleh); }
82 ~test_class() { assert(bleh); synfig::info("test_class: uninit: %d",bleh); bleh--; }
84 int test_class::bleh(0);
86 test_class test_class_instance;
89 /* === M A C R O S ========================================================= */
91 #define VALUENODE_COMPATIBILITY_URL "http://synfig.org/Convert#Compatibility"
93 inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
95 /* === P R O C E D U R E S ================================================= */
97 static std::map<String, Canvas::LooseHandle>* open_canvas_map_(0);
99 std::map<synfig::String, etl::loose_handle<Canvas> >& synfig::get_open_canvas_map()
101 if(!open_canvas_map_)
102 open_canvas_map_=new std::map<String, Canvas::LooseHandle>;
103 return *open_canvas_map_;
106 static void _remove_from_open_canvas_map(Canvas *x) { get_open_canvas_map().erase(etl::absolute_path(x->get_file_name())); }
108 static void _canvas_file_name_changed(Canvas *x)
110 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
112 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
115 assert(iter!=get_open_canvas_map().end());
116 if(iter==get_open_canvas_map().end())
118 get_open_canvas_map().erase(iter->first);
119 get_open_canvas_map()[etl::absolute_path(x->get_file_name())]=x;
124 synfig::open_canvas(const String &filename)
128 parser.set_allow_errors(true);
130 Canvas::Handle canvas=parser.parse_from_file(filename);
132 if(parser.error_count())
133 return Canvas::Handle();
139 synfig::open_canvas_as(const String &filename,const String &as)
143 parser.set_allow_errors(true);
145 Canvas::Handle canvas=parser.parse_from_file_as(filename,as);
147 if(parser.error_count())
148 return Canvas::Handle();
154 synfig::string_to_canvas(const String &data)
158 parser.set_allow_errors(true);
160 Canvas::Handle canvas=parser.parse_from_string(data);
162 if(parser.error_count())
163 return Canvas::Handle();
168 /* === M E T H O D S ======================================================= */
171 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got, const String &expected)
173 error(element,strprintf(_("Unexpected element <%s>, Expected <%s>"),got.c_str(),expected.c_str()));
177 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got)
179 error(element,strprintf(_("Unexpected element <%s>"),got.c_str()));
183 CanvasParser::warning(xmlpp::Node *element, const String &text)
185 string str=strprintf("%s:<%s>:%d: warning: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
186 //synfig::warning(str);
189 if(total_warnings_>=max_warnings_)
190 fatal_error(element, _("Too many warnings"));
194 CanvasParser::error(xmlpp::Node *element, const String &text)
196 string str=strprintf("%s:<%s>:%d: error: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
199 throw runtime_error(str);
201 // synfig::error(str);
205 CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
207 string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
208 throw runtime_error(str);
214 CanvasParser::parse_keyframe(xmlpp::Element *element,Canvas::Handle canvas)
216 assert(element->get_name()=="keyframe");
218 if(!element->get_attribute("time"))
220 error(element,strprintf(_("<%s> is missing \"%s\" attribute"),"real","time"));
224 Keyframe ret(Time(element->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate()));
227 if(element->get_children().empty())
230 if(element->get_child_text()->get_content().empty())
233 ret.set_description(element->get_child_text()->get_content());
240 CanvasParser::parse_real(xmlpp::Element *element)
242 assert(element->get_name()=="real");
244 if(!element->get_children().empty())
245 warning(element, strprintf(_("<%s> should not contain anything"),"real"));
247 if(!element->get_attribute("value"))
249 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"real"));
253 string val=element->get_attribute("value")->get_value();
255 return atof(val.c_str());
259 CanvasParser::parse_time(xmlpp::Element *element,Canvas::Handle canvas)
261 assert(element->get_name()=="time");
263 if(!element->get_children().empty())
264 warning(element, strprintf(_("<%s> should not contain anything"),"time"));
266 if(!element->get_attribute("value"))
268 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"time"));
272 string val=element->get_attribute("value")->get_value();
274 return Time(val,canvas->rend_desc().get_frame_rate());
278 CanvasParser::parse_integer(xmlpp::Element *element)
280 assert(element->get_name()=="integer");
282 if(!element->get_children().empty())
283 warning(element, strprintf(_("<%s> should not contain anything"),"integer"));
285 if(!element->get_attribute("value"))
287 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"integer"));
291 string val=element->get_attribute("value")->get_value();
293 return atoi(val.c_str());
296 // see 'minor hack' at the end of parse_vector() below
297 // making this 'static' to give it file local scope
298 // stops it working (where working means working around
300 Vector &canvas_parser_vector_id(Vector &vector)
306 CanvasParser::parse_vector(xmlpp::Element *element)
308 assert(element->get_name()=="vector");
310 if(element->get_children().empty())
312 error(element, "Undefined value in <vector>");
318 xmlpp::Element::NodeList list = element->get_children();
319 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
321 xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
325 if(child->get_name()=="x")
327 if(child->get_children().empty())
329 error(element, "Undefined value in <x>");
332 vect[0]=atof(child->get_child_text()->get_content().c_str());
335 if(child->get_name()=="y")
337 if(child->get_children().empty())
339 error(element, "Undefined value in <y>");
342 vect[1]=atof(child->get_child_text()->get_content().c_str());
345 error_unexpected_element(child,child->get_name());
347 // Minor hack - gcc 4.1.2 and earlier think that we're not using
348 // 'vect' and optimize it out at -O2 and higher. This convinces
349 // them that we are really using it.
350 return canvas_parser_vector_id(vect);
351 // When the bug is fixed, we can just do this instead:
356 CanvasParser::parse_color(xmlpp::Element *element)
358 assert(element->get_name()=="color");
360 if(element->get_children().empty())
362 error(element, "Undefined value in <color>");
368 xmlpp::Element::NodeList list = element->get_children();
369 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
371 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
375 if(child->get_name()=="r")
377 if(child->get_children().empty())
379 error(element, "Undefined value in <r>");
382 color.set_r(atof(child->get_child_text()->get_content().c_str()));
385 if(child->get_name()=="g")
387 if(child->get_children().empty())
389 error(element, "Undefined value in <g>");
392 color.set_g(atof(child->get_child_text()->get_content().c_str()));
395 if(child->get_name()=="b")
397 if(child->get_children().empty())
399 error(element, "Undefined value in <b>");
402 color.set_b(atof(child->get_child_text()->get_content().c_str()));
405 if(child->get_name()=="a")
407 if(child->get_children().empty())
409 error(element, "Undefined value in <a>");
412 color.set_a(atof(child->get_child_text()->get_content().c_str()));
415 error_unexpected_element(child,child->get_name());
422 CanvasParser::parse_string(xmlpp::Element *element)
424 assert(element->get_name()=="string");
426 if(element->get_children().empty())
428 warning(element, "Undefined value in <string>");
429 return synfig::String();
432 if(element->get_child_text()->get_content().empty())
434 warning(element, "Content element of <string> appears to be empty");
435 return synfig::String();
438 return element->get_child_text()->get_content();
442 CanvasParser::parse_bool(xmlpp::Element *element)
444 assert(element->get_name()=="bool");
446 if(!element->get_children().empty())
447 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
449 if(!element->get_attribute("value"))
451 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
455 string val=element->get_attribute("value")->get_value();
457 if(val=="true" || val=="1")
459 if(val=="false" || val=="0")
462 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
468 CanvasParser::parse_gradient(xmlpp::Element *node)
470 assert(node->get_name()=="gradient");
473 xmlpp::Element::NodeList list = node->get_children();
474 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
476 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
481 Gradient::CPoint cpoint;
482 cpoint.color=parse_color(child);
484 if(!child->get_attribute("pos"))
486 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
490 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
492 ret.push_back(cpoint);
500 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
502 vector<ValueBase> value_list;
504 xmlpp::Element::NodeList list = element->get_children();
505 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
507 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
512 value_list.push_back(parse_value(child,canvas));
513 if(!value_list.back().is_valid())
515 value_list.pop_back();
516 error(child,"Bad ValueBase");
525 CanvasParser::parse_segment(xmlpp::Element *element)
527 assert(element->get_name()=="segment");
529 if(element->get_children().empty())
531 error(element, "Undefined value in <segment>");
537 xmlpp::Element::NodeList list = element->get_children();
538 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
540 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
544 if(child->get_name()=="p1")
546 xmlpp::Element::NodeList list = child->get_children();
547 xmlpp::Element::NodeList::iterator iter;
549 // Search for the first non-text XML element
550 for(iter = list.begin(); iter != list.end(); ++iter)
551 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
555 error(element, "Undefined value in <p1>");
559 if((*iter)->get_name()!="vector")
561 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
565 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
568 if(child->get_name()=="t1")
570 xmlpp::Element::NodeList list = child->get_children();
571 xmlpp::Element::NodeList::iterator iter;
573 // Search for the first non-text XML element
574 for(iter = list.begin(); iter != list.end(); ++iter)
575 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
579 error(element, "Undefined value in <t1>");
583 if((*iter)->get_name()!="vector")
585 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
589 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
592 if(child->get_name()=="p2")
594 xmlpp::Element::NodeList list = child->get_children();
595 xmlpp::Element::NodeList::iterator iter;
597 // Search for the first non-text XML element
598 for(iter = list.begin(); iter != list.end(); ++iter)
599 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
603 error(element, "Undefined value in <p2>");
607 if((*iter)->get_name()!="vector")
609 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
613 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
616 if(child->get_name()=="t2")
618 xmlpp::Element::NodeList list = child->get_children();
619 xmlpp::Element::NodeList::iterator iter;
621 // Search for the first non-text XML element
622 for(iter = list.begin(); iter != list.end(); ++iter)
623 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
627 error(element, "Undefined value in <t2>");
631 if((*iter)->get_name()!="vector")
633 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
637 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
640 error_unexpected_element(child,child->get_name());
646 CanvasParser::parse_bline_point(xmlpp::Element *element)
648 assert(element->get_name()=="bline_point");
649 if(element->get_children().empty())
651 error(element, "Undefined value in <bline_point>");
656 ret.set_split_tangent_flag(false);
658 xmlpp::Element::NodeList list = element->get_children();
659 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
661 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
666 if(child->get_name()[0]=='v' || child->get_name()=="p1")
668 xmlpp::Element::NodeList list = child->get_children();
669 xmlpp::Element::NodeList::iterator iter;
671 // Search for the first non-text XML element
672 for(iter = list.begin(); iter != list.end(); ++iter)
673 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
677 error(element, "Undefined value in <vertex>");
681 if((*iter)->get_name()!="vector")
683 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
687 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
691 if(child->get_name()=="t1" || child->get_name()=="tangent")
693 xmlpp::Element::NodeList list = child->get_children();
694 xmlpp::Element::NodeList::iterator iter;
696 // Search for the first non-text XML element
697 for(iter = list.begin(); iter != list.end(); ++iter)
698 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
702 error(element, "Undefined value in <t1>");
706 if((*iter)->get_name()!="vector")
708 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
712 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
716 if(child->get_name()=="t2")
718 xmlpp::Element::NodeList list = child->get_children();
719 xmlpp::Element::NodeList::iterator iter;
721 // Search for the first non-text XML element
722 for(iter = list.begin(); iter != list.end(); ++iter)
723 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
727 error(element, "Undefined value in <t2>");
731 if((*iter)->get_name()!="vector")
733 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
737 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
738 ret.set_split_tangent_flag(true);
742 if(child->get_name()=="width")
744 xmlpp::Element::NodeList list = child->get_children();
745 xmlpp::Element::NodeList::iterator iter;
747 // Search for the first non-text XML element
748 for(iter = list.begin(); iter != list.end(); ++iter)
749 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
753 error(element, "Undefined value in <width>");
757 if((*iter)->get_name()!="real")
759 error_unexpected_element((*iter),(*iter)->get_name(),"real");
763 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
767 if(child->get_name()=="origin")
769 xmlpp::Element::NodeList list = child->get_children();
770 xmlpp::Element::NodeList::iterator iter;
772 // Search for the first non-text XML element
773 for(iter = list.begin(); iter != list.end(); ++iter)
774 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
778 error(element, "Undefined value in <origin>");
782 if((*iter)->get_name()!="real")
784 error_unexpected_element((*iter),(*iter)->get_name(),"real");
788 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
791 error_unexpected_element(child,child->get_name());
797 CanvasParser::parse_angle(xmlpp::Element *element)
799 assert(element->get_name()=="angle");
801 if(!element->get_children().empty())
802 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
804 if(!element->get_attribute("value"))
806 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
810 string val=element->get_attribute("value")->get_value();
812 return Angle::deg(atof(val.c_str()));
816 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
818 if(element->get_name()=="real")
819 return parse_real(element);
821 if(element->get_name()=="time")
822 return parse_time(element,canvas);
824 if(element->get_name()=="integer")
825 return parse_integer(element);
827 if(element->get_name()=="string")
828 return parse_string(element);
830 if(element->get_name()=="vector")
831 return parse_vector(element);
833 if(element->get_name()=="color")
834 return parse_color(element);
836 if(element->get_name()=="segment")
837 return parse_segment(element);
839 if(element->get_name()=="list")
840 return parse_list(element,canvas);
842 if(element->get_name()=="gradient")
843 return parse_gradient(element);
845 if(element->get_name()=="bool")
846 return parse_bool(element);
848 //if(element->get_name()=="canvas")
849 // return parse_canvas(element,canvas,true); // inline canvas
851 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
852 return parse_angle(element);
854 if(element->get_name()=="bline_point")
855 return parse_bline_point(element);
857 if(element->get_name()=="canvas")
858 return ValueBase(parse_canvas(element,canvas,true));
861 error_unexpected_element(element,element->get_name());
870 ValueNode_Animated::Handle
871 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
873 assert(element->get_name()=="hermite" || element->get_name()=="animated");
875 if(!element->get_attribute("type"))
877 error(element,"Missing attribute \"type\" in <animated>");
878 return ValueNode_Animated::Handle();
881 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
885 error(element,"Bad type in <animated>");
886 return ValueNode_Animated::Handle();
889 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
893 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_local_name(type).c_str()));
894 return ValueNode_Animated::Handle();
897 value_node->set_root_canvas(canvas->get_root());
899 xmlpp::Element::NodeList list = element->get_children();
900 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
902 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
906 if(child->get_name()=="waypoint")
908 if(!child->get_attribute("time"))
910 error(child,_("<waypoint> is missing attribute \"time\""));
914 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
917 ValueNode::Handle waypoint_value_node;
918 xmlpp::Element::NodeList list = child->get_children();
920 if(child->get_attribute("use"))
923 warning(child,_("Found \"use\" attribute for <waypoint>, but it wasn't empty. Ignoring contents..."));
925 // the waypoint might look like this, in which case we won't find "mycanvas" in the list of valuenodes, 'cos it's a canvas
927 // <animated type="canvas">
928 // <waypoint time="0s" use="mycanvas"/>
930 if (type==ValueBase::TYPE_CANVAS)
931 waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value()));
933 waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
937 if(child->get_children().empty())
939 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
943 xmlpp::Element::NodeList::iterator iter;
945 // Search for the first non-text XML element
946 for(iter = list.begin(); iter != list.end(); ++iter)
947 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
951 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
955 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
958 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
962 error(child,_("Bad data for <waypoint>"));
966 if(!waypoint_value_node)
968 error(child,_("Bad data for <waypoint>"));
972 /*! HACK -- This is a temporary fix to help repair some
973 ** weirdness that is currently going on (10-21-2004).
974 ** This short circuits the linking of waypoints,
975 ** a feature which is so obscure that we can get
976 ** away with something like this pretty easily.
978 waypoint_value_node=waypoint_value_node->clone();
980 // Warn if there is trash after the param value
981 for(iter++; iter != list.end(); ++iter)
982 if(dynamic_cast<xmlpp::Element*>(*iter))
983 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
988 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
990 if(child->get_attribute("tension"))
992 synfig::String str(child->get_attribute("tension")->get_value());
993 waypoint->set_tension(atof(str.c_str()));
995 if(child->get_attribute("temporal-tension"))
997 synfig::String str(child->get_attribute("temporal-tension")->get_value());
998 waypoint->set_temporal_tension(atof(str.c_str()));
1000 if(child->get_attribute("continuity"))
1002 synfig::String str(child->get_attribute("continuity")->get_value());
1003 waypoint->set_continuity(atof(str.c_str()));
1005 if(child->get_attribute("bias"))
1007 synfig::String str(child->get_attribute("bias")->get_value());
1008 waypoint->set_bias(atof(str.c_str()));
1011 if(child->get_attribute("before"))
1013 string val=child->get_attribute("before")->get_value();
1015 waypoint->set_before(INTERPOLATION_HALT);
1016 else if(val=="constant")
1017 waypoint->set_before(INTERPOLATION_CONSTANT);
1018 else if(val=="linear")
1019 waypoint->set_before(INTERPOLATION_LINEAR);
1020 else if(val=="manual")
1021 waypoint->set_before(INTERPOLATION_MANUAL);
1022 else if(val=="auto")
1023 waypoint->set_before(INTERPOLATION_TCB);
1025 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1028 if(child->get_attribute("after"))
1030 string val=child->get_attribute("after")->get_value();
1032 waypoint->set_after(INTERPOLATION_HALT);
1033 else if(val=="constant")
1034 waypoint->set_after(INTERPOLATION_CONSTANT);
1035 else if(val=="linear")
1036 waypoint->set_after(INTERPOLATION_LINEAR);
1037 else if(val=="manual")
1038 waypoint->set_after(INTERPOLATION_MANUAL);
1039 else if(val=="auto")
1040 waypoint->set_after(INTERPOLATION_TCB);
1042 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1045 catch(Exception::BadTime x)
1047 warning(child,x.what());
1053 error_unexpected_element(child,child->get_name());
1056 // in canvas version 0.1, angles used to wrap, so to get from -179
1057 // degrees to 180 degrees meant a 1 degree change
1058 // in canvas version 0.2 they don't, so that's a 359 degree change
1060 // when loading a version 0.1 canvas, modify constant angle
1061 // waypoints to that they are within 180 degrees of the previous
1063 if (type == ValueBase::TYPE_ANGLE)
1065 if (canvas->get_version() == "0.1")
1068 Real angle, prev = 0;
1069 WaypointList &wl = value_node->waypoint_list();
1070 for (WaypointList::iterator iter = wl.begin(); iter != wl.end(); iter++)
1072 angle = Angle::deg(iter->get_value(iter->get_time()).get(Angle())).get();
1075 else if (iter->get_value_node()->get_name() == "constant")
1077 if (angle - prev > 180)
1079 while (angle - prev > 180) angle -= 360;
1080 iter->set_value(Angle::deg(angle));
1082 else if (prev - angle > 180)
1084 while (prev - angle > 180) angle += 360;
1085 iter->set_value(Angle::deg(angle));
1093 value_node->changed();
1097 etl::handle<LinkableValueNode>
1098 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1100 // Determine the type
1101 if(!element->get_attribute("type"))
1103 error(element, strprintf(_("Missing attribute \"type\" in <%s>"), element->get_name().c_str()));
1107 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1111 error(element, strprintf(_("Bad type in <%s>"), element->get_name().c_str()));
1115 handle<LinkableValueNode> value_node=LinkableValueNode::create(element->get_name(),type);
1116 handle<ValueNode> c[value_node->link_count()];
1120 error(element, strprintf(_("Error creating ValueNode <%s> with type '%s'. Refer to '%s'"),
1121 element->get_name().c_str(),
1122 ValueBase::type_local_name(type).c_str(),
1123 VALUENODE_COMPATIBILITY_URL));
1127 if(value_node->get_type()!=type)
1129 error(element, strprintf(_("<%s> did not accept type '%s'"),
1130 element->get_name().c_str(),
1131 ValueBase::type_local_name(type).c_str()));
1135 value_node->set_root_canvas(canvas->get_root());
1137 // handle exported valuenodes
1141 xmlpp::Element::AttributeList attrib_list(element->get_attributes());
1142 for(xmlpp::Element::AttributeList::iterator iter = attrib_list.begin(); iter != attrib_list.end(); iter++)
1144 name = (*iter)->get_name();
1145 id = (*iter)->get_value();
1147 if (name == "guid" || name == "id" || name == "type")
1151 index = value_node->get_link_index_from_name(name);
1155 error(element,strprintf(_("'%s' was already defined in <%s>"),
1157 element->get_name().c_str()));
1161 c[index] = canvas->surefind_value_node(id);
1165 error(element, strprintf(_("'%s' attribute in <%s> references unknown ID '%s'"),
1167 element->get_name().c_str(),
1172 if(!value_node->set_link(index, c[index]))
1174 error(element, strprintf(_("Unable to set link '\"%s\" to ValueNode \"%s\" (link #%d in \"%s\")"),
1175 value_node->link_name(index).c_str(),
1178 element->get_name().c_str()));
1182 // printf(" <%s> set link %d (%s) using exported value\n", element->get_name().c_str(), index, name.c_str());
1184 catch (Exception::BadLinkName)
1186 warning(element, strprintf("Bad link name '%s'", name.c_str()));
1188 catch(Exception::IDNotFound)
1190 error(element,"Unable to resolve " + id);
1192 catch(Exception::FileNotFound)
1194 error(element,"Unable to open file referenced in " + id);
1198 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""), id.c_str()));
1204 // handle inline valuenodes
1208 xmlpp::Element::NodeList list = element->get_children();
1209 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1211 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1217 child_name = child->get_name();
1219 index = value_node->get_link_index_from_name(child_name);
1223 error(child, strprintf(_("'%s' was already defined in <%s>"),
1225 element->get_name().c_str()));
1229 xmlpp::Element::NodeList list = child->get_children();
1230 xmlpp::Element::NodeList::iterator iter;
1232 // Search for the first non-text XML element
1233 for(iter = list.begin(); iter != list.end(); ++iter)
1234 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1236 if(iter==list.end())
1238 error(child,strprintf(_("element <%s> is missing its contents"),
1239 child_name.c_str()));
1243 c[index]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1247 error((*iter),strprintf(_("Parse of '%s' failed"),
1248 child_name.c_str()));
1252 if(!value_node->set_link(index,c[index]))
1254 error(child,strprintf(_("Unable to connect value node ('%s' of type '%s') to link %d (%s)"),
1255 c[index]->get_name().c_str(),
1256 ValueBase::type_local_name(c[index]->get_type()).c_str(),
1258 value_node->link_name(index).c_str()));
1262 // \todo do a search for more elements and warn if they are found
1264 // printf(" <%s> set link %d (%s) using inline value\n", element->get_name().c_str(), index, child_name.c_str());
1266 catch(Exception::BadLinkName)
1268 warning(child, strprintf("Bad link name for <%s>", element->get_name().c_str()));
1272 error(child, strprintf(_("Unknown Exception thrown when working on element \"%s\""),child_name.c_str()));
1278 String version(canvas->get_version());
1279 for (int i = 0; i < value_node->link_count(); i++)
1283 // the 'width' parameter of <stripes> wasn't always present in version 0.1 canvases
1284 if (version == "0.1" && element->get_name() == "stripes" && value_node->link_name(i) == "width")
1287 // these 3 blinecalctangent parameters didn't appear until canvas version 0.5
1288 if ((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4") &&
1289 element->get_name() == "blinecalctangent" &&
1290 (value_node->link_name(i) == "offset" ||
1291 value_node->link_name(i) == "scale" ||
1292 value_node->link_name(i) == "fixed_length"))
1295 // 'scale' was added while canvas version 0.5 was in use
1296 if ((version == "0.3" || version == "0.4" || version == "0.5") &&
1297 element->get_name() == "blinecalcwidth" &&
1298 value_node->link_name(i) == "scale")
1301 // 'loop' was added while canvas version 0.5 was in use, as was the 'gradientcolor' node type
1302 if (version == "0.5" &&
1303 element->get_name() == "gradientcolor" &&
1304 value_node->link_name(i) == "loop")
1307 error(element, strprintf(_("<%s> is missing link %d (%s)"),
1308 element->get_name().c_str(),
1310 value_node->link_name(i).c_str()));
1315 // pre 0.4 canvases had *calctangent outputs scaled down by 0.5 for some reason
1316 if (element->get_name() == "blinecalctangent" || element->get_name() == "segcalctangent")
1318 if (version == "0.1" || version == "0.2" || version == "0.3")
1320 handle<LinkableValueNode> scale_value_node=LinkableValueNode::create("scale",type);
1321 scale_value_node->set_link(scale_value_node->get_link_index_from_name("link"), value_node);
1322 scale_value_node->set_link(scale_value_node->get_link_index_from_name("scalar"), ValueNode_Const::create(Real(0.5)));
1323 value_node = scale_value_node;
1330 // This will also parse a bline
1331 handle<ValueNode_DynamicList>
1332 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1334 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1336 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1338 if(!element->get_attribute("type"))
1340 error(element,"Missing attribute \"type\" in <dynamic_list>");
1341 return handle<ValueNode_DynamicList>();
1344 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1348 error(element,"Bad type in <dynamic_list>");
1349 return handle<ValueNode_DynamicList>();
1352 handle<ValueNode_DynamicList> value_node;
1353 handle<ValueNode_BLine> bline_value_node;
1355 if(element->get_name()=="bline")
1357 value_node=bline_value_node=ValueNode_BLine::create();
1358 if(element->get_attribute("loop"))
1360 String loop=element->get_attribute("loop")->get_value();
1361 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1362 bline_value_node->set_loop(true);
1364 bline_value_node->set_loop(false);
1369 value_node=ValueNode_DynamicList::create(type);
1373 error(element,strprintf(_("Unable to create <dynamic_list>")));
1374 return handle<ValueNode_DynamicList>();
1377 value_node->set_root_canvas(canvas->get_root());
1379 xmlpp::Element::NodeList list = element->get_children();
1380 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1382 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1386 if(child->get_name()=="entry")
1388 ValueNode_DynamicList::ListEntry list_entry;
1390 // Parse begin/end waypoints
1392 typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1393 typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1395 String begin_sequence;
1396 String end_sequence;
1398 ActivepointList &timing_info(list_entry.timing_info);
1400 if(child->get_attribute("begin"))
1401 begin_sequence=child->get_attribute("begin")->get_value();
1403 if(child->get_attribute("on"))
1404 begin_sequence=child->get_attribute("on")->get_value();
1406 if(child->get_attribute("end"))
1407 end_sequence=child->get_attribute("end")->get_value();
1409 if(child->get_attribute("off"))
1410 end_sequence=child->get_attribute("off")->get_value();
1412 // clear out any auto-start
1413 if(!begin_sequence.empty())
1414 timing_info.clear();
1417 while(!begin_sequence.empty())
1419 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1420 String timecode(begin_sequence.begin(), iter);
1423 // skip whitespace before checking for a priority
1424 while (isspace(timecode[0]))
1425 timecode=timecode.substr(1);
1427 // If there is a priority, then grab it and remove
1428 // it from the timecode
1429 if(timecode[0]=='p')
1431 //priority=timecode[1]-'0';
1432 //timecode=String(timecode.begin()+3,timecode.end());
1433 int space=timecode.find_first_of(' ');
1434 priority=atoi(String(timecode,1,space-1).c_str());
1435 timecode=String(timecode.begin()+space+1,timecode.end());
1436 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1439 timing_info.push_back(
1445 true, // Mark as a "on" activepoint
1450 if(iter==begin_sequence.end())
1451 begin_sequence.clear();
1453 begin_sequence=String(iter+1,begin_sequence.end());
1457 while(!end_sequence.empty())
1459 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1460 String timecode(end_sequence.begin(), iter);
1463 // skip whitespace before checking for a priority
1464 while (isspace(timecode[0]))
1465 timecode=timecode.substr(1);
1467 // If there is a priority, then grab it and remove
1468 // it from the timecode
1469 if(timecode[0]=='p')
1471 //priority=timecode[1]-'0';
1472 //timecode=String(timecode.begin()+3,timecode.end());
1473 int space=timecode.find_first_of(' ');
1474 priority=atoi(String(timecode,1,space-1).c_str());
1475 timecode=String(timecode.begin()+space+1,timecode.end());
1476 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1479 timing_info.push_back(
1485 false, // Mark as a "off" activepoint
1489 if(iter==end_sequence.end())
1490 end_sequence.clear();
1492 end_sequence=String(iter+1,end_sequence.end());
1498 if(child->get_attribute("use"))
1500 // \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
1501 string id=child->get_attribute("use")->get_value();
1504 list_entry.value_node=canvas->surefind_value_node(id);
1506 catch(Exception::IDNotFound)
1508 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1514 xmlpp::Element::NodeList list = child->get_children();
1515 xmlpp::Element::NodeList::iterator iter;
1517 // Search for the first non-text XML element
1518 for(iter = list.begin(); iter != list.end(); ++iter)
1519 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1521 if(iter==list.end())
1523 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1527 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1529 if(!list_entry.value_node)
1530 error((*iter),"Parse of ValueNode failed");
1532 // \todo do a search for more elements and warn if they are found
1536 value_node->add(list_entry);
1537 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1540 error_unexpected_element(child,child->get_name());
1546 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1548 handle<ValueNode> value_node;
1553 if(element->get_attribute("guid"))
1555 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1556 value_node=guid_cast<ValueNode>(guid);
1561 // If ValueBase::ident_type() recognizes the name, then we know it's a ValueBase
1562 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1564 ValueBase data=parse_value(element,canvas);
1566 if(!data.is_valid())
1568 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1572 // We want to convert this ValueBase into a
1573 // ValueNode_Const. That way, we can treat the
1574 // ID like any other Datanode. Think of this
1575 // as a shorthand for creating constant ValueNodes.
1577 value_node=ValueNode_Const::create(data);
1580 if(element->get_name()=="hermite" || element->get_name()=="animated")
1581 value_node=parse_animated(element,canvas);
1583 if(element->get_name()=="dynamic_list")
1584 value_node=parse_dynamic_list(element,canvas);
1586 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1587 value_node=parse_dynamic_list(element,canvas);
1589 if(LinkableValueNode::book().count(element->get_name()))
1591 value_node=parse_linkable_value_node(element,canvas);
1592 if (!value_node) value_node = PlaceholderValueNode::create();
1595 if(element->get_name()=="canvas")
1596 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1599 error_unexpected_element(element,element->get_name());
1600 error(element, strprintf(_("Expected a ValueNode. Refer to '%s'"),
1601 VALUENODE_COMPATIBILITY_URL));
1602 value_node=PlaceholderValueNode::create();
1605 value_node->set_root_canvas(canvas->get_root());
1607 // If we were successful, and our element has
1608 // an ID attribute, go ahead and add it to the
1610 if(value_node && element->get_attribute("id"))
1612 string id=element->get_attribute("id")->get_value();
1614 //value_node->set_id(id);
1616 // If there is already a value_node in the list
1617 // with the same ID, then that is an error
1618 try { canvas->add_value_node(value_node,id); }
1619 catch(Exception::BadLinkName)
1621 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1624 catch(Exception::IDAlreadyExists)
1626 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1631 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1635 value_node->set_guid(guid);
1640 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1642 assert(element->get_name()=="defs");
1643 xmlpp::Element::NodeList list = element->get_children();
1644 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1646 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1650 if(child->get_name()=="canvas")
1651 parse_canvas(child, canvas);
1653 parse_value_node(child,canvas);
1658 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1661 assert(element->get_name()=="layer");
1662 Layer::Handle layer;
1664 if(!element->get_attribute("type"))
1666 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1667 return Layer::Handle();
1670 layer=Layer::create(element->get_attribute("type")->get_value());
1671 layer->set_canvas(canvas);
1673 if(element->get_attribute("group"))
1675 layer->add_to_group(
1676 element->get_attribute("group")->get_value()
1680 // Handle the version attribute
1681 if(element->get_attribute("version"))
1683 String version(element->get_attribute("version")->get_value());
1684 if(version>layer->get_version())
1685 warning(element,_("Installed layer version is smaller than layer version in file"));
1686 if(version!=layer->get_version())
1687 layer->set_version(version);
1690 // Handle the description
1691 if(element->get_attribute("desc"))
1692 layer->set_description(element->get_attribute("desc")->get_value());
1694 if(element->get_attribute("active"))
1695 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1697 xmlpp::Element::NodeList list = element->get_children();
1698 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1700 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1704 if(child->get_name()=="name")
1705 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1707 if(child->get_name()=="desc")
1708 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1710 if(child->get_name()=="param")
1712 xmlpp::Element::NodeList list = child->get_children();
1714 if(!child->get_attribute("name"))
1716 error(child,_("Missing \"name\" attribute for <param>."));
1720 String param_name=child->get_attribute("name")->get_value();
1722 // SVN r2013 and r2014 renamed all 'pos' and 'offset' parameters to 'origin'
1723 // 'pos' and 'offset' will appear in old .sif files; handle them correctly
1724 if (param_name == "pos" || param_name == "offset")
1725 param_name = "origin";
1727 if(child->get_attribute("use"))
1729 // If the "use" attribute is used, then the
1730 // element should be empty. Warn the user if
1731 // we find otherwise.
1733 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1735 String str= child->get_attribute("use")->get_value();
1738 error(child,_("Empty use=\"\" value in <param>"));
1739 else if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1741 if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
1742 error((*iter),_("Layer rejected canvas link"));
1747 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1749 // Assign the value_node to the dynamic parameter list
1750 if (param_name == "segment_list" && (layer->get_name() == "region" || layer->get_name() == "outline"))
1752 synfig::warning("%s: Updated valuenode connection to use the \"bline\" parameter instead of \"segment_list\".",
1753 layer->get_name().c_str());
1754 param_name = "bline";
1756 layer->connect_dynamic_param(param_name,value_node);
1758 catch(Exception::IDNotFound)
1760 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1766 xmlpp::Element::NodeList::iterator iter;
1768 // Search for the first non-text XML element
1769 for(iter = list.begin(); iter != list.end(); ++iter)
1770 if(dynamic_cast<xmlpp::Element*>(*iter))
1772 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1774 if(iter==list.end())
1776 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1780 // If we recognize the element name as a
1781 // ValueBase, then treat is at one
1782 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1784 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1786 if(!data.is_valid())
1788 error((*iter),_("Bad data for <param>"));
1792 // Set the layer's parameter, and make sure that
1793 // the layer liked it
1794 if(!layer->set_param(param_name,data))
1796 warning((*iter),strprintf(_("Layer '%s' rejected value for parameter '%s'"),
1797 element->get_attribute("type")->get_value().c_str(),
1798 param_name.c_str()));
1802 else // ... otherwise, we assume that it is a ValueNode
1804 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1808 error((*iter),_("Bad data for <param>"));
1812 // Assign the value_node to the dynamic parameter list
1813 layer->connect_dynamic_param(param_name,value_node);
1816 // Warn if there is trash after the param value
1817 for(iter++; iter != list.end(); ++iter)
1818 if(dynamic_cast<xmlpp::Element*>(*iter))
1819 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
1823 error_unexpected_element(child,child->get_name());
1826 layer->reset_version();
1831 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
1834 if(element->get_name()!="canvas")
1836 error_unexpected_element(element,element->get_name(),"canvas");
1837 return Canvas::Handle();
1839 Canvas::Handle canvas;
1843 if(parent && (element->get_attribute("id") || inline_))
1847 canvas=Canvas::create_inline(parent);
1853 canvas=parent->find_canvas(element->get_attribute("id")->get_value());
1857 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
1860 canvas->rend_desc().clear_flags();
1864 canvas=Canvas::create();
1865 if(filename=="/dev/stdin")
1866 canvas->set_file_name("./stdin.sif");
1868 canvas->set_file_name(filename);
1869 canvas->rend_desc().clear_flags();
1872 if(element->get_attribute("guid"))
1874 GUID guid(element->get_attribute("guid")->get_value());
1875 if(guid_cast<Canvas>(guid))
1876 return guid_cast<Canvas>(guid);
1878 canvas->set_guid(guid);
1881 if(element->get_attribute("version"))
1882 canvas->set_version(element->get_attribute("version")->get_value());
1884 canvas->set_version(parent->get_version());
1886 if(element->get_attribute("width"))
1887 canvas->rend_desc().set_w(atoi(element->get_attribute("width")->get_value().c_str()));
1889 if(element->get_attribute("height"))
1890 canvas->rend_desc().set_h(atoi(element->get_attribute("height")->get_value().c_str()));
1892 if(element->get_attribute("xres"))
1893 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
1895 if(element->get_attribute("yres"))
1896 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
1899 if(element->get_attribute("fps"))
1900 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
1902 if(element->get_attribute("start-time"))
1903 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1905 if(element->get_attribute("begin-time"))
1906 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1908 if(element->get_attribute("end-time"))
1909 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
1911 if(element->get_attribute("antialias"))
1912 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
1914 if(element->get_attribute("view-box"))
1916 string values=element->get_attribute("view-box")->get_value();
1920 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
1921 values=string(values.begin()+values.find(' ')+1,values.end());
1922 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
1923 values=string(values.begin()+values.find(' ')+1,values.end());
1924 br[0]=atof(string(values.data(),values.find(' ')).c_str());
1925 values=string(values.begin()+values.find(' ')+1,values.end());
1926 br[1]=atof(values.c_str());
1928 canvas->rend_desc().set_tl(tl);
1929 canvas->rend_desc().set_br(br);
1932 if(element->get_attribute("bgcolor"))
1934 string values=element->get_attribute("bgcolor")->get_value();
1937 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
1938 values=string(values.begin()+values.find(' ')+1,values.end());
1940 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
1941 values=string(values.begin()+values.find(' ')+1,values.end());
1943 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
1944 values=string(values.begin()+values.find(' ')+1,values.end());
1946 bg.set_a(atof(values.c_str()));
1948 canvas->rend_desc().set_bg_color(bg);
1951 if(element->get_attribute("focus"))
1953 string values=element->get_attribute("focus")->get_value();
1956 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
1957 values=string(values.begin()+values.find(' ')+1,values.end());
1958 focus[1]=atof(values.c_str());
1960 canvas->rend_desc().set_focus(focus);
1963 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
1965 xmlpp::Element::NodeList list = element->get_children();
1966 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1968 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1971 if(child->get_name()=="defs")
1973 if(canvas->is_inline())
1974 error(child,_("Inline canvas cannot have a <defs> section"));
1975 parse_canvas_defs(child, canvas);
1978 if(child->get_name()=="keyframe")
1980 if(canvas->is_inline())
1982 warning(child,_("Inline canvas cannot have keyframes"));
1986 canvas->keyframe_list().add(parse_keyframe(child,canvas));
1987 canvas->keyframe_list().sync();
1990 if(child->get_name()=="meta")
1992 if(canvas->is_inline())
1994 warning(child,_("Inline canvases cannot have metadata"));
1998 String name,content;
2000 if(!child->get_attribute("name"))
2002 warning(child,_("<meta> must have a name"));
2006 if(!child->get_attribute("content"))
2008 warning(child,_("<meta> must have content"));
2012 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
2014 else if(child->get_name()=="name")
2016 xmlpp::Element::NodeList list = child->get_children();
2018 // If we don't have any name, warn
2020 warning(child,_("blank \"name\" entity"));
2023 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2024 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2025 canvas->set_name(tmp);
2028 if(child->get_name()=="desc")
2031 xmlpp::Element::NodeList list = child->get_children();
2033 // If we don't have any description, warn
2035 warning(child,_("blank \"desc\" entity"));
2038 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2039 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2040 canvas->set_description(tmp);
2043 if(child->get_name()=="author")
2046 xmlpp::Element::NodeList list = child->get_children();
2048 // If we don't have any description, warn
2050 warning(child,_("blank \"author\" entity"));
2053 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2054 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2055 canvas->set_author(tmp);
2058 if(child->get_name()=="layer")
2060 //if(canvas->is_inline())
2061 // canvas->push_front(parse_layer(child,canvas->parent()));
2063 canvas->push_front(parse_layer(child,canvas));
2066 error_unexpected_element(child,child->get_name());
2069 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2073 if(canvas->value_node_list().placeholder_count())
2076 for (ValueNodeList::const_iterator iter = canvas->value_node_list().begin(); iter != canvas->value_node_list().end(); iter++)
2077 if(PlaceholderValueNode::Handle::cast_dynamic(*iter))
2079 if (nodes != "") nodes += ", ";
2080 nodes += "'" + (*iter)->get_id() + "'";
2082 error(element,strprintf(_("Canvas '%s' has undefined %s: %s"),
2083 canvas->get_id().c_str(),
2084 canvas->value_node_list().placeholder_count() == 1 ? _("ValueNode") : _("ValueNodes"),
2088 canvas->set_version(CURRENT_CANVAS_VERSION);
2093 CanvasParser::parse_from_file(const String &file)
2095 return parse_from_file_as(file,file);
2099 CanvasParser::parse_from_file_as(const String &file_,const String &as_)
2103 ChangeLocale change_locale(LC_NUMERIC, "C");
2104 String file(unix_to_local_path(file_));
2105 String as(unix_to_local_path(as_));
2107 if(get_open_canvas_map().count(etl::absolute_path(as)))
2108 return get_open_canvas_map()[etl::absolute_path(as)];
2112 xmlpp::DomParser parser(file);
2115 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2116 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2117 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2118 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2122 const ValueNodeList& value_node_list(canvas->value_node_list());
2125 ValueNodeList::const_iterator iter;
2126 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2128 ValueNode::Handle value_node(*iter);
2129 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2131 canvas->remove_value_node(value_node);
2139 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2140 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2141 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2142 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2143 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2144 catch(const std::exception& ex)
2146 synfig::error("Standard Exception: "+String(ex.what()));
2147 return Canvas::Handle();
2149 catch(const String& str)
2152 // synfig::error(str);
2153 return Canvas::Handle();
2155 return Canvas::Handle();
2159 CanvasParser::parse_from_string(const String &data)
2163 ChangeLocale change_locale(LC_NUMERIC, "C");
2164 filename=_("<INTERNAL>");
2166 xmlpp::DomParser parser;
2167 parser.parse_memory(data);
2168 xmlpp::Element *root=parser.get_document()->get_root_node();
2171 Canvas::Handle canvas(parse_canvas(root));
2172 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2173 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2175 const ValueNodeList& value_node_list(canvas->value_node_list());
2177 ValueNodeList::const_iterator iter;
2178 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2180 ValueNode::Handle value_node(*iter);
2181 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2183 canvas->remove_value_node(value_node);
2191 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2192 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2193 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2194 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2195 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2196 catch(const std::exception& ex)
2198 synfig::error("Standard Exception: "+String(ex.what()));
2199 return Canvas::Handle();
2201 catch(const String& str)
2204 // synfig::error(str);
2205 return Canvas::Handle();
2207 return Canvas::Handle();