1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenode.cpp
3 ** \brief Implementation of the "Placeholder" valuenode conversion.
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007, 2008 Chris Moore
10 ** Copyright (c) 2008 Carlos López
12 ** This package is free software; you can redistribute it and/or
13 ** modify it under the terms of the GNU General Public License as
14 ** published by the Free Software Foundation; either version 2 of
15 ** the License, or (at your option) any later version.
17 ** This package is distributed in the hope that it will be useful,
18 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 ** General Public License for more details.
23 /* ========================================================================= */
25 /* === H E A D E R S ======================================================= */
34 #include "valuenode.h"
39 #include "valuenode_const.h"
40 #include "valuenode_linear.h"
41 #include "valuenode_composite.h"
42 #include "valuenode_reference.h"
43 #include "valuenode_greyed.h"
44 #include "valuenode_scale.h"
45 #include "valuenode_blinecalctangent.h"
46 #include "valuenode_blinecalcvertex.h"
47 #include "valuenode_blinecalcwidth.h"
48 #include "valuenode_blinereversetangent.h"
49 #include "valuenode_segcalctangent.h"
50 #include "valuenode_segcalcvertex.h"
51 #include "valuenode_repeat_gradient.h"
52 #include "valuenode_stripes.h"
53 #include "valuenode_range.h"
54 #include "valuenode_add.h"
55 #include "valuenode_subtract.h"
56 #include "valuenode_timedswap.h"
57 #include "valuenode_twotone.h"
58 #include "valuenode_bline.h"
59 #include "valuenode_dynamiclist.h"
60 #include "valuenode_radialcomposite.h"
61 #include "valuenode_gradientrotate.h"
62 #include "valuenode_sine.h"
63 #include "valuenode_cos.h"
64 #include "valuenode_atan2.h"
65 #include "valuenode_exp.h"
66 #include "valuenode_switch.h"
67 #include "valuenode_timeloop.h"
68 #include "valuenode_reciprocal.h"
69 #include "valuenode_duplicate.h"
70 #include "valuenode_integer.h"
71 #include "valuenode_step.h"
72 #include "valuenode_vectorangle.h"
73 #include "valuenode_vectorlength.h"
74 #include "valuenode_vectorx.h"
75 #include "valuenode_vectory.h"
76 #include "valuenode_gradientcolor.h"
77 #include "valuenode_dotproduct.h"
78 #include "valuenode_timestring.h"
79 #include "valuenode_realstring.h"
80 #include "valuenode_join.h"
81 #include "valuenode_anglestring.h"
82 #include "valuenode_intstring.h"
83 #include "valuenode_log.h"
84 #include "valuenode_pow.h"
85 #include "valuenode_compare.h"
86 #include "valuenode_not.h"
87 #include "valuenode_and.h"
88 #include "valuenode_or.h"
94 /* === U S I N G =========================================================== */
98 using namespace synfig;
100 /* === M A C R O S ========================================================= */
102 /* === G L O B A L S ======================================================= */
104 static int value_node_count(0);
106 static LinkableValueNode::Book *book_;
109 ValueNode::LooseHandle
110 synfig::find_value_node(const GUID& guid)
112 return guid_cast<ValueNode>(guid);
115 /* === P R O C E D U R E S ================================================= */
117 /* === M E T H O D S ======================================================= */
120 ValueNode::subsys_init()
122 book_=new LinkableValueNode::Book();
124 #define ADD_VALUENODE(class,name,local,version) \
125 (*book_)[name].factory=reinterpret_cast<LinkableValueNode::Factory>(&class::create); \
126 (*book_)[name].check_type=&class::check_type; \
127 (*book_)[name].local_name=local; \
128 (*book_)[name].release_version=version
130 #define ADD_VALUENODE2(class,name,local,version) \
131 (*book_)[name].factory=reinterpret_cast<LinkableValueNode::Factory>(&class::create_from); \
132 (*book_)[name].check_type=&class::check_type; \
133 (*book_)[name].local_name=local; \
134 (*book_)[name].release_version=version
136 ADD_VALUENODE(ValueNode_Linear, "linear", _("Linear"), RELEASE_VERSION_0_61_06);
137 ADD_VALUENODE(ValueNode_Composite, "composite", _("Composite"), RELEASE_VERSION_0_61_06);
138 ADD_VALUENODE(ValueNode_RadialComposite, "radial_composite", _("Radial Composite"), RELEASE_VERSION_0_61_06);
139 ADD_VALUENODE(ValueNode_Reference, "reference", _("Reference"), RELEASE_VERSION_0_61_06);
140 ADD_VALUENODE(ValueNode_Scale, "scale", _("Scale"), RELEASE_VERSION_0_61_06);
141 ADD_VALUENODE(ValueNode_SegCalcTangent, "segcalctangent", _("Segment Tangent"), RELEASE_VERSION_0_61_06);
142 ADD_VALUENODE(ValueNode_SegCalcVertex, "segcalcvertex", _("Segment Vertex"), RELEASE_VERSION_0_61_06);
143 ADD_VALUENODE(ValueNode_Stripes, "stripes", _("Stripes"), RELEASE_VERSION_0_61_06);
144 ADD_VALUENODE(ValueNode_Subtract, "subtract", _("Subtract"), RELEASE_VERSION_0_61_06);
145 ADD_VALUENODE(ValueNode_TwoTone, "twotone", _("Two-Tone"), RELEASE_VERSION_0_61_06);
146 ADD_VALUENODE(ValueNode_BLine, "bline", _("BLine"), RELEASE_VERSION_0_61_06);
147 ADD_VALUENODE2(ValueNode_DynamicList, "dynamic_list", _("Dynamic List"), RELEASE_VERSION_0_61_06);
148 ADD_VALUENODE(ValueNode_GradientRotate, "gradient_rotate", _("Gradient Rotate"), RELEASE_VERSION_0_61_06);
149 ADD_VALUENODE(ValueNode_Sine, "sine", _("Sine"), RELEASE_VERSION_0_61_06);
151 ADD_VALUENODE(ValueNode_TimedSwap, "timed_swap", _("Timed Swap"), RELEASE_VERSION_0_61_07); // SVN r610
152 ADD_VALUENODE(ValueNode_Repeat_Gradient, "repeat_gradient", _("Repeat Gradient"), RELEASE_VERSION_0_61_07); // SVN r666
153 ADD_VALUENODE(ValueNode_Exp, "exp", _("Exponential"), RELEASE_VERSION_0_61_07); // SVN r739
154 ADD_VALUENODE(ValueNode_Add, "add", _("Add"), RELEASE_VERSION_0_61_07); // SVN r742
155 ADD_VALUENODE(ValueNode_BLineCalcTangent, "blinecalctangent", _("BLine Tangent"), RELEASE_VERSION_0_61_07); // SVN r744
156 ADD_VALUENODE(ValueNode_BLineCalcVertex, "blinecalcvertex", _("BLine Vertex"), RELEASE_VERSION_0_61_07); // SVN r744
157 ADD_VALUENODE(ValueNode_Range, "range", _("Range"), RELEASE_VERSION_0_61_07); // SVN r776
159 ADD_VALUENODE(ValueNode_Switch, "switch", _("Switch"), RELEASE_VERSION_0_61_08); // SVN r923
160 ADD_VALUENODE(ValueNode_Cos, "cos", _("Cos"), RELEASE_VERSION_0_61_08); // SVN r1111
161 ADD_VALUENODE(ValueNode_Atan2, "atan2", _("aTan2"), RELEASE_VERSION_0_61_08); // SVN r1132
162 ADD_VALUENODE(ValueNode_BLineRevTangent, "blinerevtangent", _("Reverse Tangent"), RELEASE_VERSION_0_61_08); // SVN r1162
163 ADD_VALUENODE(ValueNode_TimeLoop, "timeloop", _("Time Loop"), RELEASE_VERSION_0_61_08); // SVN r1226
164 ADD_VALUENODE(ValueNode_Reciprocal, "reciprocal", _("Reciprocal"), RELEASE_VERSION_0_61_08); // SVN r1238
165 ADD_VALUENODE(ValueNode_Duplicate, "duplicate", _("Duplicate"), RELEASE_VERSION_0_61_08); // SVN r1267
166 ADD_VALUENODE(ValueNode_Integer, "fromint", _("From Integer"), RELEASE_VERSION_0_61_08); // SVN r1267
167 ADD_VALUENODE(ValueNode_Step, "step", _("Step"), RELEASE_VERSION_0_61_08); // SVN r1691
168 ADD_VALUENODE(ValueNode_BLineCalcWidth, "blinecalcwidth", _("BLine Width"), RELEASE_VERSION_0_61_08); // SVN r1694
170 ADD_VALUENODE(ValueNode_VectorAngle, "vectorangle", _("Vector Angle"), RELEASE_VERSION_0_61_09); // SVN r1880
171 ADD_VALUENODE(ValueNode_VectorLength, "vectorlength", _("Vector Length"), RELEASE_VERSION_0_61_09); // SVN r1881
172 ADD_VALUENODE(ValueNode_VectorX, "vectorx", _("Vector X"), RELEASE_VERSION_0_61_09); // SVN r1882
173 ADD_VALUENODE(ValueNode_VectorY, "vectory", _("Vector Y"), RELEASE_VERSION_0_61_09); // SVN r1882
174 ADD_VALUENODE(ValueNode_GradientColor, "gradientcolor", _("Gradient Color"), RELEASE_VERSION_0_61_09); // SVN r1885
175 ADD_VALUENODE(ValueNode_DotProduct, "dotproduct", _("Dot Product"), RELEASE_VERSION_0_61_09); // SVN r1891
176 ADD_VALUENODE(ValueNode_TimeString, "timestring", _("Time String"), RELEASE_VERSION_0_61_09); // SVN r2000
177 ADD_VALUENODE(ValueNode_RealString, "realstring", _("Real String"), RELEASE_VERSION_0_61_09); // SVN r2003
178 ADD_VALUENODE(ValueNode_Join, "join", _("Joined List"), RELEASE_VERSION_0_61_09); // SVN r2007
179 ADD_VALUENODE(ValueNode_AngleString, "anglestring", _("Angle String"), RELEASE_VERSION_0_61_09); // SVN r2010
180 ADD_VALUENODE(ValueNode_IntString, "intstring", _("Int String"), RELEASE_VERSION_0_61_09); // SVN r2010
181 ADD_VALUENODE(ValueNode_Logarithm, "logarithm", _("Logarithm"), RELEASE_VERSION_0_61_09); // SVN r2034
183 ADD_VALUENODE(ValueNode_Greyed, "greyed", _("Greyed"), RELEASE_VERSION_0_62_00); // SVN r2305
184 ADD_VALUENODE(ValueNode_Pow, "power", _("Power"), RELEASE_VERSION_0_62_00); // SVN r2362
185 ADD_VALUENODE(ValueNode_Compare, "compare", _("Compare"), RELEASE_VERSION_0_62_00); // SVN r2364
186 ADD_VALUENODE(ValueNode_Not, "not", _("Not"), RELEASE_VERSION_0_62_00); // SVN r2364
187 ADD_VALUENODE(ValueNode_And, "and", _("And"), RELEASE_VERSION_0_62_00); // SVN r2364
188 ADD_VALUENODE(ValueNode_Or, "or", _("Or"), RELEASE_VERSION_0_62_00); // SVN r2364
191 #undef ADD_VALUENODE2
197 ValueNode::subsys_stop()
203 ValueNode::ValueNode(ValueBase::Type type):type(type)
208 LinkableValueNode::Book&
209 LinkableValueNode::book()
214 LinkableValueNode::Handle
215 LinkableValueNode::create(const String &name, const ValueBase& x)
217 if(!book().count(name))
220 if (!check_type(name, x.get_type()) &&
221 // the Duplicate ValueNode is an exception - we don't want the
222 // user creating it for themselves, so check_type() fails for
223 // it even when it is valid
224 !(name == "duplicate" && x.get_type() == ValueBase::TYPE_REAL))
226 error(_("Bad type: ValueNode '%s' doesn't accept type '%s'"), book()[name].local_name.c_str(), ValueBase::type_local_name(x.get_type()).c_str());
230 return book()[name].factory(x);
234 LinkableValueNode::check_type(const String &name, ValueBase::Type x)
236 if(!book().count(name) || !book()[name].check_type)
238 return book()[name].check_type(x);
242 LinkableValueNode::set_link(int i,ValueNode::Handle x)
244 ValueNode::Handle previous(get_link(i));
246 if(set_link_vfunc(i,x))
248 // Fix 2412072: remove the previous link from the parent_set unless one of the other links is also
249 // using it when we convert a value to 'switch', both 'on' and 'off' are linked to the same valuenode
250 // if we then disconnect one of the two, the one we disconnect is set to be a new valuenode_const
251 // and the previously shared value is removed from the parent set even though the other is still
255 int size = link_count(), index;
256 for (index=0; index < size; ++index)
258 if (i == index) continue;
259 if (get_link(index) == previous)
263 remove_child(previous.get());
267 if(!x->is_exported() && get_parent_canvas())
269 x->set_parent_canvas(get_parent_canvas());
277 ValueNode::LooseHandle
278 LinkableValueNode::get_link(int i)const
280 return get_link_vfunc(i);
284 LinkableValueNode::unlink_all()
286 for(int i=0;i<link_count();i++)
288 ValueNode::LooseHandle value_node(get_link(i));
290 value_node->parent_set.erase(this);
294 ValueNode::~ValueNode()
302 ValueNode::on_changed()
304 etl::loose_handle<Canvas> parent_canvas = get_parent_canvas();
306 do // signal to all the ancestor canvases
307 parent_canvas->signal_value_node_changed()(this);
308 while (parent_canvas = parent_canvas->parent());
309 else if(get_root_canvas())
310 get_root_canvas()->signal_value_node_changed()(this);
316 ValueNode::replace(etl::handle<ValueNode> x)
321 while(parent_set.size())
323 (*parent_set.begin())->add_child(x.get());
324 (*parent_set.begin())->remove_child(this);
325 //x->parent_set.insert(*parent_set.begin());
326 //parent_set.erase(parent_set.begin());
328 int r(RHandle(this).replace(x));
334 ValueNode::set_id(const String &x)
339 signal_id_changed_();
344 ValueNode::get_description(bool show_exported_name)const
346 String ret(_("ValueNode"));
348 if (dynamic_cast<const LinkableValueNode*>(this))
349 return (dynamic_cast<const LinkableValueNode*>(this))->get_description(-1, show_exported_name);
351 if (show_exported_name && !is_exported())
352 show_exported_name = false;
354 if (show_exported_name)
355 ret += strprintf(" (%s)", get_id().c_str());
360 ValueNodeList::ValueNodeList():
361 placeholder_count_(0)
366 ValueNodeList::count(const String &id)const
373 for(iter=begin();iter!=end() && id!=(*iter)->get_id();++iter)
383 ValueNodeList::find(const String &id)
388 throw Exception::IDNotFound("Empty ID");
390 for(iter=begin();iter!=end() && id!=(*iter)->get_id();++iter)
394 throw Exception::IDNotFound("ValueNode in ValueNodeList: "+id);
399 ValueNode::ConstHandle
400 ValueNodeList::find(const String &id)const
405 throw Exception::IDNotFound("Empty ID");
407 for(iter=begin();iter!=end() && id!=(*iter)->get_id();++iter)
411 throw Exception::IDNotFound("ValueNode in ValueNodeList: "+id);
417 ValueNodeList::surefind(const String &id)
420 throw Exception::IDNotFound("Empty ID");
422 ValueNode::Handle value_node;
428 catch(Exception::IDNotFound)
430 value_node=PlaceholderValueNode::create();
431 value_node->set_id(id);
432 push_back(value_node);
433 placeholder_count_++;
440 ValueNodeList::erase(ValueNode::Handle value_node)
446 for(iter=begin();iter!=end();++iter)
447 if(value_node.get()==iter->get())
449 std::list<ValueNode::RHandle>::erase(iter);
450 if(PlaceholderValueNode::Handle::cast_dynamic(value_node))
451 placeholder_count_--;
458 ValueNodeList::add(ValueNode::Handle value_node)
462 if(value_node->get_id().empty())
467 ValueNode::RHandle other_value_node=find(value_node->get_id());
468 if(PlaceholderValueNode::Handle::cast_dynamic(other_value_node))
470 other_value_node->replace(value_node);
471 placeholder_count_--;
477 catch(Exception::IDNotFound)
479 push_back(value_node);
487 ValueNodeList::audit()
491 for(next=begin(),iter=next++;iter!=end();iter=next++)
493 std::list<ValueNode::RHandle>::erase(iter);
498 PlaceholderValueNode::get_name()const
500 return "placeholder";
504 PlaceholderValueNode::get_local_name()const
506 return _("Placeholder");
510 PlaceholderValueNode::clone(const GUID& deriv_guid)const
512 ValueNode* ret(new PlaceholderValueNode());
513 ret->set_guid(get_guid()^deriv_guid);
517 PlaceholderValueNode::Handle
518 PlaceholderValueNode::create(ValueBase::Type type)
520 return new PlaceholderValueNode(type);
524 PlaceholderValueNode::operator()(Time /*t*/)const
530 PlaceholderValueNode::PlaceholderValueNode(ValueBase::Type type):
536 LinkableValueNode::clone(const GUID& deriv_guid)const
539 ValueNode* x(find_value_node(get_guid()^deriv_guid).get());
545 LinkableValueNode *ret=create_new();
546 ret->set_guid(get_guid()^deriv_guid);
548 for(i=0;i<link_count();i++)
550 ValueNode::Handle link=get_link_vfunc(i);
551 if(!link->is_exported())
553 ValueNode::LooseHandle value_node(find_value_node(link->get_guid()^deriv_guid));
555 value_node=link->clone(deriv_guid);
556 ret->set_link(i,value_node);
559 ret->set_link(i,link);
566 ValueNode::get_relative_id(etl::loose_handle<const Canvas> x)const
568 assert(is_exported());
571 if(x.get()==canvas_.get())
574 return canvas_->_get_relative_id(x)+':'+get_id();
578 ValueNode::set_parent_canvas(etl::loose_handle<Canvas> x)
580 canvas_=x; if(x) root_canvas_=x->get_root();
584 ValueNode::set_root_canvas(etl::loose_handle<Canvas> x)
586 root_canvas_=x->get_root();
589 void LinkableValueNode::get_times_vfunc(Node::time_set &set) const
591 ValueNode::LooseHandle h;
593 int size = link_count();
595 //just add it to the set...
596 for(int i=0; i < size; ++i)
602 const Node::time_set &tset = h->get_times();
603 set.insert(tset.begin(),tset.end());
609 LinkableValueNode::get_description(int index, bool show_exported_name)const
615 if (show_exported_name && is_exported())
616 description += strprintf(" (%s)", get_id().c_str());
620 description = String(":") + link_local_name(index);
622 if (show_exported_name)
624 ValueNode::LooseHandle link(get_link(index));
625 if (link->is_exported())
626 description += strprintf(" (%s)", link->get_id().c_str());
630 const synfig::Node* node = this;
631 LinkableValueNode::ConstHandle parent_linkable_vn = 0;
633 // walk up through the valuenodes trying to find the layer at the top
634 while (!node->parent_set.empty() && !dynamic_cast<const Layer*>(node))
636 LinkableValueNode::ConstHandle linkable_value_node(dynamic_cast<const LinkableValueNode*>(node));
637 if (linkable_value_node)
640 int cnt = linkable_value_node->link_count();
641 for (int i = 0; i < cnt; i++)
642 if (linkable_value_node->get_link(i) == parent_linkable_vn)
644 link = String(":") + linkable_value_node->link_local_name(i);
648 description = linkable_value_node->get_local_name() + link + (parent_linkable_vn?">":"") + description;
650 node = *node->parent_set.begin();
651 parent_linkable_vn = linkable_value_node;
654 Layer::ConstHandle parent_layer(dynamic_cast<const Layer*>(node));
658 const Layer::DynamicParamList &dynamic_param_list(parent_layer->dynamic_param_list());
659 // loop to find the parameter in the dynamic parameter list - this gives us its name
660 for (Layer::DynamicParamList::const_iterator iter = dynamic_param_list.begin(); iter != dynamic_param_list.end(); iter++)
661 if (iter->second == parent_linkable_vn)
662 param = String(":") + parent_layer->get_param_local_name(iter->first);
663 description = strprintf("(%s)%s>%s",
664 parent_layer->get_non_empty_description().c_str(),
666 description.c_str());
674 LinkableValueNode::link_count()const
676 Vocab ret(get_param_vocab());