1 /* === S Y N F I G ========================================================= */
2 /*! \file loadcanvas.cpp
5 ** $Id: loadcanvas.cpp,v 1.3 2005/01/04 23:40:44 darco Exp $
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 xmlpp::TextNode *text=dynamic_cast<xmlpp::TextNode*>(child->get_children().front());
323 error(element,"I need a number, not an element!");
326 vect[0]=atof(text->get_content().c_str());
329 if(child->get_name()=="y")
331 if(child->get_children().empty())
333 error(element, "Undefined value in <y>");
336 xmlpp::TextNode *text=dynamic_cast<xmlpp::TextNode*>(child->get_children().front());
339 error(element,"I need a number, not an element!");
342 vect[1]=atof(text->get_content().c_str());
345 error_unexpected_element(child,child->get_name());
351 CanvasParser::parse_color(xmlpp::Element *element,Canvas::Handle canvas)
353 assert(element->get_name()=="color");
355 if(element->get_children().empty())
357 error(element, "Undefined value in <color>");
363 xmlpp::Element::NodeList list = element->get_children();
364 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
366 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
370 if(child->get_name()=="r")
372 if(child->get_children().empty())
374 error(element, "Undefined value in <r>");
377 color.set_r(atof(child->get_child_text()->get_content().c_str()));
380 if(child->get_name()=="g")
382 if(child->get_children().empty())
384 error(element, "Undefined value in <g>");
387 color.set_g(atof(child->get_child_text()->get_content().c_str()));
390 if(child->get_name()=="b")
392 if(child->get_children().empty())
394 error(element, "Undefined value in <b>");
397 color.set_b(atof(child->get_child_text()->get_content().c_str()));
400 if(child->get_name()=="a")
402 if(child->get_children().empty())
404 error(element, "Undefined value in <a>");
407 color.set_a(atof(child->get_child_text()->get_content().c_str()));
410 error_unexpected_element(child,child->get_name());
417 CanvasParser::parse_string(xmlpp::Element *element,Canvas::Handle canvas)
419 assert(element->get_name()=="string");
421 if(element->get_children().empty())
423 warning(element, "Undefined value in <string>");
424 return synfig::String();
427 if(element->get_child_text()->get_content().empty())
429 warning(element, "Content element of <string> appears to be empty");
430 return synfig::String();
433 return element->get_child_text()->get_content();
437 CanvasParser::parse_bool(xmlpp::Element *element,Canvas::Handle canvas)
439 assert(element->get_name()=="bool");
441 if(!element->get_children().empty())
442 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
444 if(!element->get_attribute("value"))
446 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
450 string val=element->get_attribute("value")->get_value();
452 if(val=="true" || val=="1")
454 if(val=="false" || val=="0")
457 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
463 CanvasParser::parse_gradient(xmlpp::Element *node,Canvas::Handle canvas)
465 assert(node->get_name()=="gradient");
468 xmlpp::Element::NodeList list = node->get_children();
469 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
471 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
476 Gradient::CPoint cpoint;
477 cpoint.color=parse_color(child,canvas);
479 if(!child->get_attribute("pos"))
481 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
485 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
487 ret.push_back(cpoint);
495 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
497 vector<ValueBase> value_list;
499 xmlpp::Element::NodeList list = element->get_children();
500 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
502 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
507 value_list.push_back(parse_value(child,canvas));
508 if(!value_list.back().is_valid())
510 value_list.pop_back();
511 error(child,"Bad ValueBase");
520 CanvasParser::parse_segment(xmlpp::Element *element,Canvas::Handle canvas)
522 assert(element->get_name()=="segment");
524 if(element->get_children().empty())
526 error(element, "Undefined value in <segment>");
532 xmlpp::Element::NodeList list = element->get_children();
533 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
535 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
539 if(child->get_name()=="p1")
541 xmlpp::Element::NodeList list = child->get_children();
542 xmlpp::Element::NodeList::iterator iter;
544 // Search for the first non-text XML element
545 for(iter = list.begin(); iter != list.end(); ++iter)
546 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
550 error(element, "Undefined value in <p1>");
554 if((*iter)->get_name()!="vector")
556 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
560 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
563 if(child->get_name()=="t1")
565 xmlpp::Element::NodeList list = child->get_children();
566 xmlpp::Element::NodeList::iterator iter;
568 // Search for the first non-text XML element
569 for(iter = list.begin(); iter != list.end(); ++iter)
570 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
574 error(element, "Undefined value in <t1>");
578 if((*iter)->get_name()!="vector")
580 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
584 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
587 if(child->get_name()=="p2")
589 xmlpp::Element::NodeList list = child->get_children();
590 xmlpp::Element::NodeList::iterator iter;
592 // Search for the first non-text XML element
593 for(iter = list.begin(); iter != list.end(); ++iter)
594 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
598 error(element, "Undefined value in <p2>");
602 if((*iter)->get_name()!="vector")
604 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
608 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
611 if(child->get_name()=="t2")
613 xmlpp::Element::NodeList list = child->get_children();
614 xmlpp::Element::NodeList::iterator iter;
616 // Search for the first non-text XML element
617 for(iter = list.begin(); iter != list.end(); ++iter)
618 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
622 error(element, "Undefined value in <t2>");
626 if((*iter)->get_name()!="vector")
628 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
632 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
635 error_unexpected_element(child,child->get_name());
641 CanvasParser::parse_bline_point(xmlpp::Element *element,Canvas::Handle canvas)
643 assert(element->get_name()=="bline_point");
644 if(element->get_children().empty())
646 error(element, "Undefined value in <bline_point>");
651 ret.set_split_tangent_flag(false);
653 xmlpp::Element::NodeList list = element->get_children();
654 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
656 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
661 if(child->get_name()[0]=='v' || child->get_name()=="p1")
663 xmlpp::Element::NodeList list = child->get_children();
664 xmlpp::Element::NodeList::iterator iter;
666 // Search for the first non-text XML element
667 for(iter = list.begin(); iter != list.end(); ++iter)
668 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
672 error(element, "Undefined value in <vertex>");
676 if((*iter)->get_name()!="vector")
678 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
682 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas));
686 if(child->get_name()=="t1" || child->get_name()=="tangent")
688 xmlpp::Element::NodeList list = child->get_children();
689 xmlpp::Element::NodeList::iterator iter;
691 // Search for the first non-text XML element
692 for(iter = list.begin(); iter != list.end(); ++iter)
693 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
697 error(element, "Undefined value in <t1>");
701 if((*iter)->get_name()!="vector")
703 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
707 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas));
711 if(child->get_name()=="t2")
713 xmlpp::Element::NodeList list = child->get_children();
714 xmlpp::Element::NodeList::iterator iter;
716 // Search for the first non-text XML element
717 for(iter = list.begin(); iter != list.end(); ++iter)
718 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
722 error(element, "Undefined value in <t2>");
726 if((*iter)->get_name()!="vector")
728 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
732 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas));
733 ret.set_split_tangent_flag(true);
737 if(child->get_name()=="width")
739 xmlpp::Element::NodeList list = child->get_children();
740 xmlpp::Element::NodeList::iterator iter;
742 // Search for the first non-text XML element
743 for(iter = list.begin(); iter != list.end(); ++iter)
744 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
748 error(element, "Undefined value in <width>");
752 if((*iter)->get_name()!="real")
754 error_unexpected_element((*iter),(*iter)->get_name(),"real");
758 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter),canvas));
762 if(child->get_name()=="origin")
764 xmlpp::Element::NodeList list = child->get_children();
765 xmlpp::Element::NodeList::iterator iter;
767 // Search for the first non-text XML element
768 for(iter = list.begin(); iter != list.end(); ++iter)
769 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
773 error(element, "Undefined value in <origin>");
777 if((*iter)->get_name()!="real")
779 error_unexpected_element((*iter),(*iter)->get_name(),"real");
783 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter),canvas));
786 error_unexpected_element(child,child->get_name());
792 CanvasParser::parse_angle(xmlpp::Element *element,Canvas::Handle canvas)
794 assert(element->get_name()=="angle");
796 if(!element->get_children().empty())
797 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
799 if(!element->get_attribute("value"))
801 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
805 string val=element->get_attribute("value")->get_value();
807 return Angle::deg(atof(val.c_str()));
811 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
813 if(element->get_name()=="real")
814 return parse_real(element,canvas);
816 if(element->get_name()=="time")
817 return parse_time(element,canvas);
819 if(element->get_name()=="integer")
820 return parse_integer(element,canvas);
822 if(element->get_name()=="string")
823 return parse_string(element,canvas);
825 if(element->get_name()=="vector")
827 return parse_vector(element,canvas);
830 if(element->get_name()=="color")
831 return parse_color(element,canvas);
833 if(element->get_name()=="segment")
834 return parse_segment(element,canvas);
836 if(element->get_name()=="list")
837 return parse_list(element,canvas);
839 if(element->get_name()=="gradient")
840 return parse_gradient(element,canvas);
842 if(element->get_name()=="bool")
843 return parse_bool(element,canvas);
845 //if(element->get_name()=="canvas")
846 // return parse_canvas(element,canvas,true); // inline canvas
848 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
849 return parse_angle(element,canvas);
851 if(element->get_name()=="bline_point")
852 return parse_bline_point(element,canvas);
854 if(element->get_name()=="canvas")
855 return ValueBase(parse_canvas(element,canvas,true));
859 error_unexpected_element(element,element->get_name());
868 ValueNode_Animated::Handle
869 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
871 assert(element->get_name()=="hermite" || element->get_name()=="animated");
873 if(!element->get_attribute("type"))
875 error(element,"Missing attribute \"type\" in <animated>");
876 return ValueNode_Animated::Handle();
879 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
883 error(element,"Bad type in <animated>");
884 return ValueNode_Animated::Handle();
887 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
891 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_name(type).c_str()));
892 return ValueNode_Animated::Handle();
895 value_node->set_root_canvas(canvas->get_root());
897 xmlpp::Element::NodeList list = element->get_children();
898 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
900 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
904 if(child->get_name()=="waypoint")
906 if(!child->get_attribute("time"))
908 error(child,_("<waypoint> is missing attribute \"time\""));
912 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
915 ValueNode::Handle waypoint_value_node;
917 if(child->get_attribute("use"))
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 list = child->get_children();
930 xmlpp::Element::NodeList::iterator iter;
932 // Search for the first non-text XML element
933 for(iter = list.begin(); iter != list.end(); ++iter)
934 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
938 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
942 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
945 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
949 error(child,_("Bad data for <waypoint>"));
953 if(!waypoint_value_node)
955 error(child,_("Bad data for <waypoint>"));
959 /*! HACK -- This is a temporary fix to help repair some
960 ** weirdness that is currently going on (10-21-2004).
961 ** This short circuits the linking of waypoints,
962 ** a feature which is so obscure that we can get
963 ** away with something like this pretty easily.
965 waypoint_value_node=waypoint_value_node->clone();
967 // Warn if there is trash after the param value
968 for(iter++; iter != list.end(); ++iter)
969 if(dynamic_cast<xmlpp::Element*>(*iter))
970 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
975 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
977 if(child->get_attribute("tension"))
979 synfig::String str(child->get_attribute("tension")->get_value());
980 waypoint->set_tension(atof(str.c_str()));
982 if(child->get_attribute("temporal-tension"))
984 synfig::String str(child->get_attribute("temporal-tension")->get_value());
985 waypoint->set_time_tension(atof(str.c_str()));
987 if(child->get_attribute("continuity"))
989 synfig::String str(child->get_attribute("continuity")->get_value());
990 waypoint->set_continuity(atof(str.c_str()));
992 if(child->get_attribute("bias"))
994 synfig::String str(child->get_attribute("bias")->get_value());
995 waypoint->set_bias(atof(str.c_str()));
998 if(child->get_attribute("before"))
1000 string val=child->get_attribute("before")->get_value();
1002 waypoint->set_before(INTERPOLATION_HALT);
1003 else if(val=="constant")
1004 waypoint->set_before(INTERPOLATION_CONSTANT);
1005 else if(val=="linear")
1006 waypoint->set_before(INTERPOLATION_LINEAR);
1007 else if(val=="manual")
1008 waypoint->set_before(INTERPOLATION_MANUAL);
1009 else if(val=="auto")
1010 waypoint->set_before(INTERPOLATION_TCB);
1012 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1015 if(child->get_attribute("after"))
1017 string val=child->get_attribute("after")->get_value();
1019 waypoint->set_after(INTERPOLATION_HALT);
1020 else if(val=="constant")
1021 waypoint->set_after(INTERPOLATION_CONSTANT);
1022 else if(val=="linear")
1023 waypoint->set_after(INTERPOLATION_LINEAR);
1024 else if(val=="manual")
1025 waypoint->set_after(INTERPOLATION_MANUAL);
1026 else if(val=="auto")
1027 waypoint->set_after(INTERPOLATION_TCB);
1029 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1032 catch(Exception::BadTime x)
1034 warning(child,x.what());
1040 error_unexpected_element(child,child->get_name());
1042 value_node->changed();
1046 // This function is a phase-out hack for the timed swap value node
1047 etl::handle<ValueNode_Animated>
1048 CanvasParser::parse_timedswap(xmlpp::Element *node,Canvas::Handle canvas)
1050 ValueNode_TimedSwap::Handle timed_swap(parse_linkable_value_node(node,canvas));
1054 ValueNode_Animated::Handle animated(ValueNode_Animated::create(timed_swap->get_type()));
1056 animated->set_root_canvas(canvas->get_root());
1060 Time swap_time, swap_length;
1061 (*timed_swap->get_swap_time())(0).put(&swap_time);
1062 (*timed_swap->get_swap_length())(0).put(&swap_length);
1064 animated->new_waypoint(swap_time-swap_length,timed_swap->get_before());
1065 animated->new_waypoint(swap_time,timed_swap->get_after());
1071 handle<ValueNode_Subtract>
1072 CanvasParser::parse_subtract(xmlpp::Element *element,Canvas::Handle canvas)
1074 assert(element->get_name()=="subtract");
1076 handle<ValueNode_Subtract> value_node;
1077 handle<ValueNode> lhs,rhs,scalar;
1079 if(element->get_attribute("type"))
1081 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1085 error(element,"Bad type in <subtract>");
1086 return ValueNode_Subtract::Handle();
1088 value_node=ValueNode_Subtract::create(type);
1091 value_node=ValueNode_Subtract::create();
1095 error(element,strprintf(_("Unable to create <subtract>")));
1096 return handle<ValueNode_Subtract>();
1099 //if(element->get_attribute("scalar"))
1101 // value_node->set_scalar(atof(element->get_attribute("scalar")->get_value().c_str()));
1106 if(element->get_attribute("scalar"))
1108 // This is for compatibility with older versions of the file format
1109 String value(element->get_attribute("scalar")->get_value());
1110 if((value[0]<='9' && value[0]>='0') || value[0]=='-')
1112 warning(element, _("Use of a real value where the ID should be is deprecated"));
1113 value_node->set_scalar(atof(value.c_str()));
1116 value_node->set_scalar(canvas->surefind_value_node(value));
1117 scalar=value_node->get_scalar();
1120 if(element->get_attribute("lhs"))
1122 lhs=canvas->surefind_value_node(element->get_attribute("lhs")->get_value());
1123 value_node->set_lhs(lhs);
1126 if(element->get_attribute("rhs"))
1128 rhs=canvas->surefind_value_node(element->get_attribute("rhs")->get_value());
1129 value_node->set_rhs(rhs);
1132 catch (Exception::IDNotFound)
1134 error(element,"attribute in <subtract> references unknown ID");
1136 catch (Exception::FileNotFound)
1138 error(element,"Unable to open external file referenced in ID");
1141 xmlpp::Element::NodeList list = element->get_children();
1142 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1144 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1148 if(child->get_name()=="lhs")
1152 error(child,"LHS component of <subtract> already defined!");
1156 xmlpp::Element::NodeList list = child->get_children();
1157 xmlpp::Element::NodeList::iterator iter;
1159 // Search for the first non-text XML element
1160 for(iter = list.begin(); iter != list.end(); ++iter)
1161 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1163 if(iter==list.end())
1165 error(child,_("<lhs> is missing its contents"));
1169 lhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1172 value_node->set_lhs(lhs);
1175 error((*iter),"Parse of LHS ValueNode failed");
1178 // \todo do a search for more elements and warn if they are found
1181 if(child->get_name()=="rhs")
1185 error(child,"RHS component of <subtract> already defined!");
1189 xmlpp::Element::NodeList list = child->get_children();
1190 xmlpp::Element::NodeList::iterator iter;
1192 // Search for the first non-text XML element
1193 for(iter = list.begin(); iter != list.end(); ++iter)
1194 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1196 if(iter==list.end())
1198 error(child,_("<rhs> is missing its contents"));
1202 rhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1205 value_node->set_rhs(rhs);
1208 error((*iter),"Parse of RHS ValueNode failed");
1211 // \todo do a search for more elements and warn if they are found
1214 if(child->get_name()=="scalar")
1218 error(child,"scalar component of <subtract> already defined!");
1222 xmlpp::Element::NodeList list = child->get_children();
1223 xmlpp::Element::NodeList::iterator iter;
1225 // Search for the first non-text XML element
1226 for(iter = list.begin(); iter != list.end(); ++iter)
1227 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1229 if(iter==list.end())
1231 error(child,_("<scalar> is missing its contents"));
1235 scalar=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1238 value_node->set_scalar(scalar);
1241 error((*iter),"Parse of scalar ValueNode failed");
1244 // \todo do a search for more elements and warn if they are found
1247 error_unexpected_element(child,child->get_name());
1250 if(!value_node->get_rhs() || !value_node->get_lhs() || !value_node->get_scalar())
1251 error(element,"<subtract> is missing LHS, RHS, or SCALAR");
1253 if(value_node->get_rhs() == value_node->get_lhs())
1254 warning(element,"LHS is equal to RHS in <subtract>, so this value_node will always be zero!");
1259 etl::handle<LinkableValueNode>
1260 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1262 handle<LinkableValueNode> value_node;
1263 ValueBase::Type type;
1265 // Determine the type
1266 if(element->get_attribute("type"))
1268 type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1272 error(element,"Bad type in ValueNode");
1278 error(element,"Missing type in ValueNode");
1282 value_node=LinkableValueNode::create(element->get_name(),type);
1286 error(element,"Unknown ValueNode type "+element->get_name());
1290 if(value_node->get_type()!=type)
1292 error(element,"ValueNode did not accept type");
1296 value_node->set_root_canvas(canvas->get_root());
1299 for(i=0;i<value_node->link_count();i++)
1301 if(element->get_attribute(value_node->link_name(i)))
1303 String id(element->get_attribute(value_node->link_name(i))->get_value());
1305 if(!value_node->set_link(i,
1306 canvas->surefind_value_node(
1310 ) 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()));
1312 catch(Exception::IDNotFound)
1314 error(element,"Unable to resolve "+element->get_attribute(value_node->link_name(i))->get_value());
1316 catch(Exception::FileNotFound)
1318 error(element,"Unable to open file referenced in "+element->get_attribute(value_node->link_name(i))->get_value());
1322 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""),
1323 element->get_attribute(value_node->link_name(i))->get_value().c_str()));
1330 xmlpp::Element::NodeList list = element->get_children();
1331 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1333 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1338 int index=value_node->get_link_index_from_name(child->get_name());
1340 xmlpp::Element::NodeList list = child->get_children();
1341 xmlpp::Element::NodeList::iterator iter;
1343 // Search for the first non-text XML element
1344 for(iter = list.begin(); iter != list.end(); ++iter)
1345 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1347 if(iter==list.end())
1349 error(child,_("element is missing its contents"));
1353 ValueNode::Handle link=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1357 error((*iter),"Parse of ValueNode failed");
1360 if(!value_node->set_link(index,link))
1362 //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));
1363 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));
1366 // \todo do a search for more elements and warn if they are found
1369 catch(Exception::BadLinkName)
1371 error_unexpected_element(child,child->get_name());
1375 error(child,strprintf(_("Unknown Exception thrown when working on element \"%s\""),child->get_name().c_str()));
1383 handle<ValueNode_Composite>
1384 CanvasParser::parse_composite(xmlpp::Element *element,Canvas::Handle canvas)
1386 assert(element->get_name()=="composite");
1388 if(!element->get_attribute("type"))
1390 error(element,"Missing attribute \"type\" in <composite>");
1391 return handle<ValueNode_Composite>();
1394 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1398 error(element,"Bad type in <composite>");
1399 return handle<ValueNode_Composite>();
1402 handle<ValueNode_Composite> value_node=ValueNode_Composite::create(type);
1403 handle<ValueNode> c[6];
1407 error(element,strprintf(_("Unable to create <composite>")));
1408 return handle<ValueNode_Composite>();
1413 for(i=0;i<value_node->link_count();i++)
1415 string name=strprintf("c%d",i+1);
1418 error(element,name+" was already defined in <composite>");
1421 if(element->get_attribute(name))
1423 c[i]=canvas->surefind_value_node(element->get_attribute(name)->get_value());
1426 if(!value_node->set_link(i,c[i]))
1428 error(element,'"'+name+"\" attribute in <composite> has bad type");
1432 error(element,'"'+name+"\" attribute in <composite> references unknown ID");
1436 xmlpp::Element::NodeList list = element->get_children();
1437 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1439 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1443 for(i=0;i<value_node->link_count();i++)
1445 string name=strprintf("c%d",i+1);
1446 if(child->get_name()==name)
1450 error(child,name+" was already defined in <composite>");
1454 xmlpp::Element::NodeList list = child->get_children();
1455 xmlpp::Element::NodeList::iterator iter;
1457 // Search for the first non-text XML element
1458 for(iter = list.begin(); iter != list.end(); ++iter)
1459 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1461 if(iter==list.end())
1463 error(child,strprintf(_("<%s> is missing its contents"),name.c_str()));
1467 c[i]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1471 error((*iter),"Parse of "+name+" ValueNode failed");
1475 if(!value_node->set_link(i,c[i]))
1477 error(child,strprintf(_("<%s> has a bad value"),name.c_str()));
1481 // \todo do a search for more elements and warn if they are found
1485 // somewhat of a hack, but it works
1486 if(i==value_node->link_count()) error_unexpected_element(child,child->get_name());
1489 switch(value_node->link_count())
1492 if(!value_node->get_link(0))
1494 error(element,"<composite> is missing parameters");
1495 return handle<ValueNode_Composite>();
1499 if(!value_node->get_link(0) ||!value_node->get_link(1))
1501 error(element,"<composite> is missing parameters");
1502 return handle<ValueNode_Composite>();
1506 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2))
1508 error(element,"<composite> is missing parameters");
1509 return handle<ValueNode_Composite>();
1513 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2) ||!value_node->get_link(3))
1515 error(element,"<composite> is missing parameters");
1516 return handle<ValueNode_Composite>();
1523 // This will also parse a bline
1524 handle<ValueNode_DynamicList>
1525 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1527 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1529 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1531 if(!element->get_attribute("type"))
1533 error(element,"Missing attribute \"type\" in <dynamic_list>");
1534 return handle<ValueNode_DynamicList>();
1537 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1541 error(element,"Bad type in <dynamic_list>");
1542 return handle<ValueNode_DynamicList>();
1545 handle<ValueNode_DynamicList> value_node;
1546 handle<ValueNode_BLine> bline_value_node;
1548 if(element->get_name()=="bline")
1550 value_node=bline_value_node=ValueNode_BLine::create();
1551 if(element->get_attribute("loop"))
1553 String loop=element->get_attribute("loop")->get_value();
1554 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1555 bline_value_node->set_loop(true);
1557 bline_value_node->set_loop(false);
1562 value_node=ValueNode_DynamicList::create(type);
1566 error(element,strprintf(_("Unable to create <dynamic_list>")));
1567 return handle<ValueNode_DynamicList>();
1570 value_node->set_root_canvas(canvas->get_root());
1572 xmlpp::Element::NodeList list = element->get_children();
1573 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1575 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1579 if(child->get_name()=="entry")
1581 ValueNode_DynamicList::ListEntry list_entry;
1583 // Parse begin/end waypoints
1585 typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1586 typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1588 String begin_sequence;
1589 String end_sequence;
1591 ActivepointList &timing_info(list_entry.timing_info);
1593 if(child->get_attribute("begin"))
1594 begin_sequence=child->get_attribute("begin")->get_value();
1596 if(child->get_attribute("on"))
1597 begin_sequence=child->get_attribute("on")->get_value();
1599 if(child->get_attribute("end"))
1600 end_sequence=child->get_attribute("end")->get_value();
1602 if(child->get_attribute("off"))
1603 end_sequence=child->get_attribute("off")->get_value();
1605 // clear out any auto-start
1606 if(!begin_sequence.empty())
1607 timing_info.clear();
1610 while(!begin_sequence.empty())
1612 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1613 String timecode(begin_sequence.begin(), iter);
1616 // If there is a priority, then grab it and remove
1617 // it from the timecode
1618 if(timecode[0]=='p')
1620 //priority=timecode[1]-'0';
1621 //timecode=String(timecode.begin()+3,timecode.end());
1622 int space=timecode.find_first_of(' ');
1623 priority=atoi(String(timecode,1,space-1).c_str());
1624 timecode=String(timecode.begin()+space+1,timecode.end());
1625 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1628 timing_info.push_back(
1634 true, // Mark as a "on" activepoint
1639 if(iter==begin_sequence.end())
1640 begin_sequence.clear();
1642 begin_sequence=String(iter+1,begin_sequence.end());
1646 while(!end_sequence.empty())
1648 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1649 String timecode(end_sequence.begin(), iter);
1652 // If there is a priority, then grab it and remove
1653 // it from the timecode
1654 if(timecode[0]=='p')
1656 //priority=timecode[1]-'0';
1657 //timecode=String(timecode.begin()+3,timecode.end());
1658 int space=timecode.find_first_of(' ');
1659 priority=atoi(String(timecode,1,space-1).c_str());
1660 timecode=String(timecode.begin()+space+1,timecode.end());
1661 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1664 timing_info.push_back(
1670 false, // Mark as a "off" activepoint
1674 if(iter==end_sequence.end())
1675 end_sequence.clear();
1677 end_sequence=String(iter+1,end_sequence.end());
1683 if(child->get_attribute("use"))
1685 string id=child->get_attribute("use")->get_value();
1688 list_entry.value_node=canvas->surefind_value_node(id);
1690 catch(Exception::IDNotFound)
1692 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1698 xmlpp::Element::NodeList list = child->get_children();
1699 xmlpp::Element::NodeList::iterator iter;
1701 // Search for the first non-text XML element
1702 for(iter = list.begin(); iter != list.end(); ++iter)
1703 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1705 if(iter==list.end())
1707 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1711 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1713 if(!list_entry.value_node)
1714 error((*iter),"Parse of ValueNode failed");
1716 // \todo do a search for more elements and warn if they are found
1720 value_node->add(list_entry);
1721 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1724 error_unexpected_element(child,child->get_name());
1730 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1732 handle<ValueNode> value_node;
1737 if(element->get_attribute("guid"))
1739 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1740 value_node=guid_cast<ValueNode>(guid);
1745 // If ValueBase::ident_type() recognises the name, then we know it's a ValueBase
1746 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1748 ValueBase data=parse_value(element,canvas);
1750 if(!data.is_valid())
1752 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1756 // We want to convert this ValueBase into a
1757 // ValueNode_Const. That way, we can treat the
1758 // ID like any other Datanode. Think of this
1759 // as a shorthand for creating constant ValueNodes.
1761 value_node=ValueNode_Const::create(data);
1764 if(element->get_name()=="hermite" || element->get_name()=="animated")
1765 value_node=parse_animated(element,canvas);
1767 if(element->get_name()=="subtract")
1768 value_node=parse_subtract(element,canvas);
1770 if(element->get_name()=="composite")
1771 value_node=parse_composite(element,canvas);
1773 if(element->get_name()=="dynamic_list")
1774 value_node=parse_dynamic_list(element,canvas);
1776 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1777 value_node=parse_dynamic_list(element,canvas);
1779 if(element->get_name()=="timed_swap")
1780 value_node=parse_timedswap(element,canvas);
1782 if(LinkableValueNode::book().count(element->get_name()))
1783 value_node=parse_linkable_value_node(element,canvas);
1785 if(element->get_name()=="canvas")
1786 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1789 error_unexpected_element(element,element->get_name());
1790 error(element, "Expected a ValueNode");
1794 value_node->set_root_canvas(canvas->get_root());
1797 // If we were successful, and our element has
1798 // an ID attribute, go ahead and add it to the
1800 if(value_node && element->get_attribute("id"))
1802 string id=element->get_attribute("id")->get_value();
1804 //value_node->set_id(id);
1806 // If there is already a value_node in the list
1807 // with the same ID, then that is an error
1808 try { canvas->add_value_node(value_node,id); }
1809 catch(Exception::BadLinkName)
1811 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1814 catch(Exception::IDAlreadyExists)
1816 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1821 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1825 value_node->set_guid(guid);
1830 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1832 assert(element->get_name()=="defs");
1833 xmlpp::Element::NodeList list = element->get_children();
1834 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1836 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1840 if(child->get_name()=="canvas")
1841 parse_canvas(child, canvas);
1843 parse_value_node(child,canvas);
1848 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1851 assert(element->get_name()=="layer");
1852 Layer::Handle layer;
1854 if(!element->get_attribute("type"))
1856 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1857 return Layer::Handle();
1860 layer=Layer::create(element->get_attribute("type")->get_value());
1861 layer->set_canvas(canvas);
1863 if(element->get_attribute("group"))
1865 layer->add_to_group(
1866 element->get_attribute("group")->get_value()
1870 // Handle the version attribute
1871 if(element->get_attribute("version"))
1873 String version(element->get_attribute("version")->get_value());
1874 if(version>layer->get_version())
1875 warning(element,_("Installed layer version is larger than layer version in file"));
1876 if(version!=layer->get_version())
1877 layer->set_version(version);
1880 // Handle the description
1881 if(element->get_attribute("desc"))
1882 layer->set_description(element->get_attribute("desc")->get_value());
1884 if(element->get_attribute("active"))
1885 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1887 xmlpp::Element::NodeList list = element->get_children();
1888 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1890 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1894 if(child->get_name()=="name")
1895 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1897 if(child->get_name()=="desc")
1898 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1900 if(child->get_name()=="param")
1902 xmlpp::Element::NodeList list = child->get_children();
1904 if(!child->get_attribute("name"))
1906 error(child,_("Missing \"name\" attribute for <param>."));
1910 String param_name=child->get_attribute("name")->get_value();
1912 if(child->get_attribute("use"))
1914 // If the "use" attribute is used, then the
1915 // element should be empty. Warn the user if
1916 // we find otherwise.
1918 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1920 String str= child->get_attribute("use")->get_value();
1922 if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1924 if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
1925 error((*iter),_("Layer rejected canvas link"));
1930 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1932 // Assign the value_node to the dynamic parameter list
1933 layer->connect_dynamic_param(param_name,value_node);
1935 catch(Exception::IDNotFound)
1937 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1943 xmlpp::Element::NodeList::iterator iter;
1945 // Search for the first non-text XML element
1946 for(iter = list.begin(); iter != list.end(); ++iter)
1947 if(dynamic_cast<xmlpp::Element*>(*iter))
1949 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1951 if(iter==list.end())
1953 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1957 // If we recognise the element name as a
1958 // ValueBase, then treat is at one
1959 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1961 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1963 if(!data.is_valid())
1965 error((*iter),_("Bad data for <param>"));
1969 // Set the layer's parameter, and make sure that
1970 // the layer liked it
1971 if(!layer->set_param(param_name,data))
1973 warning((*iter),_("Layer rejected value for <param>"));
1977 else // ... otherwise, we assume that it is a ValueNode
1979 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1983 error((*iter),_("Bad data for <param>"));
1987 // Assign the value_node to the dynamic parameter list
1988 layer->connect_dynamic_param(param_name,value_node);
1991 // Warn if there is trash after the param value
1992 for(iter++; iter != list.end(); ++iter)
1993 if(dynamic_cast<xmlpp::Element*>(*iter))
1994 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
1998 error_unexpected_element(child,child->get_name());
2001 layer->reset_version();
2006 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
2009 if(element->get_name()!="canvas")
2011 error_unexpected_element(element,element->get_name(),"canvas");
2012 return Canvas::Handle();
2014 Canvas::Handle canvas;
2018 if(parent && (element->get_attribute("id") || inline_))
2022 canvas=Canvas::create_inline(parent);
2028 canvas=parent->find_canvas(element->get_attribute("id")->get_value());
2032 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
2035 canvas->rend_desc().clear_flags();
2039 canvas=Canvas::create();
2040 if(filename=="/dev/stdin")
2041 canvas->set_file_name("./stdin.sif");
2043 canvas->set_file_name(filename);
2044 canvas->rend_desc().clear_flags();
2047 if(element->get_attribute("guid"))
2049 GUID guid(element->get_attribute("guid")->get_value());
2050 if(guid_cast<Canvas>(guid))
2051 return guid_cast<Canvas>(guid);
2053 canvas->set_guid(guid);
2056 if(element->get_attribute("width"))
2057 canvas->rend_desc().set_w(atoi(element->get_attribute("width")->get_value().c_str()));
2059 if(element->get_attribute("height"))
2060 canvas->rend_desc().set_h(atoi(element->get_attribute("height")->get_value().c_str()));
2062 if(element->get_attribute("xres"))
2063 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
2065 if(element->get_attribute("yres"))
2066 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
2069 if(element->get_attribute("fps"))
2070 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
2072 if(element->get_attribute("start-time"))
2073 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2075 if(element->get_attribute("begin-time"))
2076 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2078 if(element->get_attribute("end-time"))
2079 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2081 if(element->get_attribute("antialias"))
2082 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
2084 if(element->get_attribute("view-box"))
2086 string values=element->get_attribute("view-box")->get_value();
2090 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
2091 values=string(values.begin()+values.find(' ')+1,values.end());
2092 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
2093 values=string(values.begin()+values.find(' ')+1,values.end());
2094 br[0]=atof(string(values.data(),values.find(' ')).c_str());
2095 values=string(values.begin()+values.find(' ')+1,values.end());
2096 br[1]=atof(values.c_str());
2098 canvas->rend_desc().set_tl(tl);
2099 canvas->rend_desc().set_br(br);
2102 if(element->get_attribute("bgcolor"))
2104 string values=element->get_attribute("bgcolor")->get_value();
2107 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
2108 values=string(values.begin()+values.find(' ')+1,values.end());
2110 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
2111 values=string(values.begin()+values.find(' ')+1,values.end());
2113 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
2114 values=string(values.begin()+values.find(' ')+1,values.end());
2116 bg.set_a(atof(values.c_str()));
2118 canvas->rend_desc().set_bg_color(bg);
2121 if(element->get_attribute("focus"))
2123 string values=element->get_attribute("focus")->get_value();
2126 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
2127 values=string(values.begin()+values.find(' ')+1,values.end());
2128 focus[1]=atof(values.c_str());
2130 canvas->rend_desc().set_focus(focus);
2133 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
2135 xmlpp::Element::NodeList list = element->get_children();
2136 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2138 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
2141 if(child->get_name()=="defs")
2143 if(canvas->is_inline())
2144 error(child,_("Inline canvas cannot have a <defs> section"));
2145 parse_canvas_defs(child, canvas);
2148 if(child->get_name()=="keyframe")
2150 if(canvas->is_inline())
2152 warning(child,_("Inline canvas cannot have keyframes"));
2156 canvas->keyframe_list().add(parse_keyframe(child,canvas));
2157 canvas->keyframe_list().sync();
2160 if(child->get_name()=="meta")
2162 if(canvas->is_inline())
2164 warning(child,_("Inline canvases cannot have metadata"));
2168 String name,content;
2170 if(!child->get_attribute("name"))
2172 warning(child,_("<meta> must have a name"));
2176 if(!child->get_attribute("content"))
2178 warning(child,_("<meta> must have content"));
2182 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
2184 else if(child->get_name()=="name")
2186 xmlpp::Element::NodeList list = child->get_children();
2188 // If we don't have any name, warn
2190 warning(child,_("blank \"name\" entitity"));
2193 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2194 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2195 canvas->set_name(tmp);
2198 if(child->get_name()=="desc")
2201 xmlpp::Element::NodeList list = child->get_children();
2203 // If we don't have any description, warn
2205 warning(child,_("blank \"desc\" entitity"));
2208 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2209 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2210 canvas->set_description(tmp);
2213 if(child->get_name()=="author")
2216 xmlpp::Element::NodeList list = child->get_children();
2218 // If we don't have any description, warn
2220 warning(child,_("blank \"author\" entitity"));
2223 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2224 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2225 canvas->set_author(tmp);
2228 if(child->get_name()=="layer")
2230 //if(canvas->is_inline())
2231 // canvas->push_front(parse_layer(child,canvas->parent()));
2233 canvas->push_front(parse_layer(child,canvas));
2236 error_unexpected_element(child,child->get_name());
2239 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2243 if(canvas->value_node_list().placeholder_count())
2245 error(element,strprintf(_("Canvas %s has undefined ValueNodes"),canvas->get_id().c_str()));
2252 CanvasParser::parse_from_file(const String &file)
2254 return parse_from_file_as(file,file);
2258 CanvasParser::parse_from_file_as(const String &file_,const String &as_)
2260 CHECK_EXPIRE_TIME();
2263 String file(unix_to_local_path(file_));
2264 String as(unix_to_local_path(as_));
2266 if(get_open_canvas_map().count(etl::absolute_path(as)))
2267 return get_open_canvas_map()[etl::absolute_path(as)];
2271 xmlpp::DomParser parser(file);
2274 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2275 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2276 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2277 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2281 const ValueNodeList& value_node_list(canvas->value_node_list());
2284 ValueNodeList::const_iterator iter;
2285 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2287 ValueNode::Handle value_node(*iter);
2288 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2290 canvas->remove_value_node(value_node);
2298 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2299 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2300 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2301 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2302 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2303 catch(const std::exception& ex)
2305 synfig::error("Standard Exception: "+String(ex.what()));
2306 return Canvas::Handle();
2308 catch(const String& str)
2311 // synfig::error(str);
2312 return Canvas::Handle();
2314 return Canvas::Handle();
2318 CanvasParser::parse_from_string(const String &data)
2320 CHECK_EXPIRE_TIME();
2324 filename=_("<INTERNAL>");
2326 xmlpp::DomParser parser;
2327 parser.parse_memory(data);
2328 xmlpp::Element *root=parser.get_document()->get_root_node();
2331 Canvas::Handle canvas(parse_canvas(root));
2332 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2333 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2335 const ValueNodeList& value_node_list(canvas->value_node_list());
2337 ValueNodeList::const_iterator iter;
2338 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2340 ValueNode::Handle value_node(*iter);
2341 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2343 canvas->remove_value_node(value_node);
2351 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2352 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2353 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2354 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2355 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2356 catch(const std::exception& ex)
2358 synfig::error("Standard Exception: "+String(ex.what()));
2359 return Canvas::Handle();
2361 catch(const String& str)
2364 // synfig::error(str);
2365 return Canvas::Handle();
2367 return Canvas::Handle();