1 /* === S Y N F I G ========================================================= */
2 /*! \file canvasinterface.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007, 2008 Chris Moore
10 ** Copyright (c) 2009 Carlos A. Sosa Navarro
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 ======================================================= */
37 #include <synfig/valuenode_scale.h>
38 #include <synfig/valuenode_timedswap.h>
39 #include <synfig/valuenode_composite.h>
40 #include <synfig/valuenode_subtract.h>
41 #include <synfig/valuenode_linear.h>
42 #include <synfig/valuenode_reference.h>
43 #include <synfig/valuenode_twotone.h>
44 #include <synfig/valuenode_stripes.h>
45 #include <synfig/valuenode_bline.h>
47 #include <synfig/waypoint.h>
48 #include <synfig/loadcanvas.h>
49 #include <synfig/importer.h>
50 #include <synfig/guidset.h>
52 #include "canvasinterface.h"
55 #include "actions/layeradd.h"
56 #include "actions/layerremove.h"
57 #include "actions/valuedescconvert.h"
58 #include "actions/valuenodeadd.h"
59 #include "actions/editmodeset.h"
60 #include "action_system.h"
64 #include <synfig/gradient.h>
70 /* === U S I N G =========================================================== */
74 using namespace synfig;
75 using namespace synfigapp;
77 /* === M A C R O S ========================================================= */
79 /* === G L O B A L S ======================================================= */
81 /* === P R O C E D U R E S ================================================= */
83 /* === M E T H O D S ======================================================= */
85 CanvasInterface::CanvasInterface(etl::loose_handle<Instance> instance,etl::handle<synfig::Canvas> canvas):
88 cur_time_(canvas->rend_desc().get_frame_start()),
89 mode_(MODE_NORMAL|MODE_ANIMATE_PAST|MODE_ANIMATE_FUTURE)
91 set_selection_manager(get_instance()->get_selection_manager());
92 set_ui_interface(get_instance()->get_ui_interface());
95 CanvasInterface::~CanvasInterface()
97 if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
98 synfig::info("CanvasInterface::~CanvasInterface(): Deleted");
102 CanvasInterface::set_time(synfig::Time x)
104 if(get_canvas()->rend_desc().get_frame_rate())
106 float fps(get_canvas()->rend_desc().get_frame_rate());
107 Time r(x.round(fps));
108 //synfig::info("CanvasInterface::set_time(): %s rounded to %s\n",x.get_string(fps).c_str(),r.get_string(fps).c_str());
111 if(cur_time_.is_equal(x))
113 get_canvas()->set_time(cur_time_=x);
115 // update the time in all the child canvases
116 Canvas::Children children = get_canvas()->get_root()->children();
117 handle<CanvasInterface> interface;
118 for (Canvas::Children::iterator iter = children.begin(); iter != children.end(); iter++)
119 if ((interface = get_instance()->find_canvas_interface(*iter)) != this)
120 interface->set_time(interface->get_canvas()->get_time());
122 signal_time_changed()();
123 signal_dirty_preview()();
127 CanvasInterface::get_time()const
133 CanvasInterface::refresh_current_values()
135 get_canvas()->set_time(cur_time_);
136 signal_time_changed()();
137 signal_dirty_preview()();
140 etl::handle<CanvasInterface>
141 CanvasInterface::create(etl::loose_handle<Instance> instance, etl::handle<synfig::Canvas> canvas)
143 etl::handle<CanvasInterface> intrfc;
144 intrfc=new CanvasInterface(instance,canvas);
145 instance->canvas_interface_list().push_front(intrfc);
150 CanvasInterface::set_mode(Mode x)
152 Action::Handle action(Action::EditModeSet::create());
156 action->set_param("canvas",get_canvas());
157 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
158 action->set_param("edit_mode",x);
160 if(!action->is_ready())
162 get_ui_interface()->error(_("Action Not Ready, unable to change mode"));
167 if(!get_instance()->perform_action(action))
168 get_ui_interface()->error(_("Unable to change mode"));
171 // signal_mode_changed_(x);
174 CanvasInterface::Mode
175 CanvasInterface::get_mode()const
183 CanvasInterface::add_layer_to(synfig::String name, synfig::Canvas::Handle canvas, int depth)
185 synfigapp::Action::PassiveGrouper group(get_instance().get(),_("Add Layer To"));
187 Layer::Handle layer(Layer::create(name));
194 if(canvas!=get_canvas() && !canvas->is_inline())
196 synfig::error("Bad canvas passed to \"add_layer_to\"");
200 // automatically export the Index parameter of new Duplicate layers
201 if (name == "duplicate")
202 for (int i = 1; ; i++)
204 String name = strprintf(_("Index %d"), i);
207 canvas->find_value_node(name);
209 catch (Exception::IDNotFound x)
211 add_value_node(layer->dynamic_param_list().find("index")->second, name);
216 layer->set_canvas(canvas);
218 // Apply some defaults
219 if(layer->set_param("fg",synfigapp::Main::get_outline_color()))
220 layer->set_param("bg",synfigapp::Main::get_fill_color());
221 else if (name == "outline")
222 layer->set_param("color",synfigapp::Main::get_outline_color());
224 layer->set_param("color",synfigapp::Main::get_fill_color());
226 layer->set_param("width",synfigapp::Main::get_bline_width().units(get_canvas()->rend_desc()));
227 layer->set_param("gradient",synfigapp::Main::get_gradient());
229 layer->set_param("amount",synfigapp::Main::get_opacity());
230 if(synfigapp::Main::get_blend_method() != Color::BLEND_BY_LAYER)
231 layer->set_param("blend_method",synfigapp::Main::get_blend_method());
234 // Grab the layer's list of parameters
235 Layer::ParamList paramlist=layer->get_param_list();
236 Layer::ParamList::iterator iter;
238 // loop through the static parameters
239 for(iter=paramlist.begin();iter!=paramlist.end();++iter)
241 ValueNode::Handle value_node;
243 // if we find any which are list values then make them
244 // into dynamic list valuenodes, unless every element of
245 // the list is a blinepoint, in which case convert it to a
247 if(iter->second.get_type()==ValueBase::TYPE_LIST)
249 // check whether it's a list of blinepoints only
250 vector<ValueBase> list(iter->second.get_list());
253 vector<ValueBase>::iterator iter2;
254 for (iter2 = list.begin(); iter2 != list.end(); iter2++)
255 if (iter2->get_type() != ValueBase::TYPE_BLINEPOINT)
257 if (iter2 == list.end())
259 value_node=LinkableValueNode::create("bline",iter->second);
260 ValueNode_BLine::Handle::cast_dynamic(value_node)->set_member_canvas(canvas);
265 value_node=LinkableValueNode::create("dynamic_list",iter->second);
267 // otherwise, if it's a type that can be converted to
268 // 'composite' (other than the types that can be radial
269 // composite) then do so
270 else if(LinkableValueNode::check_type("composite",iter->second.get_type()) &&
271 (iter->second.get_type()!=ValueBase::TYPE_COLOR &&
272 iter->second.get_type()!=ValueBase::TYPE_VECTOR))
273 value_node=LinkableValueNode::create("composite",iter->second);
276 layer->connect_dynamic_param(iter->first,value_node);
280 // Action to add the layer
281 Action::Handle action(Action::LayerAdd::create());
287 action->set_param("canvas",canvas);
288 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
289 action->set_param("new",layer);
291 if(!action->is_ready())
293 get_ui_interface()->error(_("Action Not Ready"));
297 if(!get_instance()->perform_action(action))
299 get_ui_interface()->error(_("Action Failed."));
303 // synfig::info("DEPTH=%d",depth);
305 // Action to move the layer (if necessary)
308 Action::Handle action(Action::create("LayerMove"));
314 action->set_param("canvas",canvas);
315 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
316 action->set_param("layer",layer);
317 action->set_param("new_index",depth);
319 if(!action->is_ready())
321 get_ui_interface()->error(_("Move Action Not Ready"));
325 if(!get_instance()->perform_action(action))
327 get_ui_interface()->error(_("Move Action Failed."));
338 CanvasInterface::convert(ValueDesc value_desc, synfig::String type)
340 Action::Handle action(Action::ValueDescConvert::create());
346 action->set_param("canvas",get_canvas());
347 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
348 action->set_param("value_desc",value_desc);
349 action->set_param("type",type);
350 action->set_param("time",get_time());
352 if(!action->is_ready())
354 get_ui_interface()->error(_("Action Not Ready"));
358 if(get_instance()->perform_action(action))
361 get_ui_interface()->error(_("Action Failed."));
366 CanvasInterface::add_value_node(synfig::ValueNode::Handle value_node, synfig::String name)
370 get_ui_interface()->error(_("Empty name!"));
374 Action::Handle action(Action::ValueNodeAdd::create());
380 action->set_param("canvas",get_canvas());
381 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
382 action->set_param("new",value_node);
383 action->set_param("name",name);
385 if(!action->is_ready())
387 get_ui_interface()->error(_("Action Not Ready"));
391 if(get_instance()->perform_action(action))
394 get_ui_interface()->error(_("Action Failed."));
399 CanvasInterface::generate_param_list(const ValueDesc &value_desc)
401 synfigapp::Action::ParamList param_list;
402 param_list.add("time",get_time());
403 param_list.add("canvas_interface",etl::handle<CanvasInterface>(this));
404 param_list.add("canvas",get_canvas());
406 param_list.add("value_desc",value_desc);
408 if(value_desc.parent_is_value_node())
409 param_list.add("parent_value_node",value_desc.get_parent_value_node());
411 if(value_desc.is_value_node())
412 param_list.add("value_node",value_desc.get_value_node());
414 if(value_desc.is_const())
416 // Fix 1868911: if we put a ValueBase holding a Canvas handle
417 // into the param_list and then export the canvas, the handle
418 // will miss out of having its reference count reduced,
419 // because by the time the handle is destructed the canvas
420 // will no longer be inline. So let's not propogate that
421 // ValueBase any further than here.
422 if (value_desc.get_value_type() == ValueBase::TYPE_CANVAS)
423 param_list.add("value",Canvas::LooseHandle(value_desc.get_value().get(Canvas::LooseHandle())));
425 param_list.add("value",value_desc.get_value());
428 if(value_desc.parent_is_layer_param())
430 param_list.add("parent_layer",value_desc.get_layer());
431 param_list.add("parent_layer_param",value_desc.get_param_name());
435 synfigapp::SelectionManager::ChildrenList children_list;
436 children_list=get_selection_manager()->get_selected_children();
437 if(!value_desc.parent_is_canvas() && children_list.size()==1)
439 param_list.add("dest",value_desc);
440 param_list.add("src",children_list.front().get_value_node());
447 CanvasInterface::generate_param_list(const std::list<synfigapp::ValueDesc> &value_desc_list)
449 synfigapp::Action::ParamList param_list;
450 param_list.add("time",get_time());
451 param_list.add("canvas_interface",etl::handle<CanvasInterface>(this));
452 param_list.add("canvas",get_canvas());
454 std::list<synfigapp::ValueDesc>::const_iterator iter;
455 for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
457 param_list.add("value_desc",*iter);
458 if(iter->is_value_node())
460 param_list.add("value_node",iter->get_value_node());
469 CanvasInterface::set_rend_desc(const synfig::RendDesc &rend_desc)
471 Action::Handle action(Action::create("CanvasRendDescSet"));
477 action->set_param("canvas",get_canvas());
478 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
479 action->set_param("rend_desc",rend_desc);
481 if(!get_instance()->perform_action(action))
482 get_ui_interface()->error(_("Action Failed."));
486 CanvasInterface::set_name(const synfig::String &x)
488 Action::Handle action(Action::create("CanvasNameSet"));
494 action->set_param("canvas",get_canvas());
495 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
496 action->set_param("name",x);
498 if(!get_instance()->perform_action(action))
499 get_ui_interface()->error(_("Action Failed."));
501 signal_id_changed_();
505 CanvasInterface::set_description(const synfig::String &x)
507 Action::Handle action(Action::create("CanvasDescriptionSet"));
513 action->set_param("canvas",get_canvas());
514 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
515 action->set_param("description",x);
517 if(!get_instance()->perform_action(action))
518 get_ui_interface()->error(_("Action Failed."));
522 CanvasInterface::set_id(const synfig::String &x)
524 Action::Handle action(Action::create("CanvasIdSet"));
530 action->set_param("canvas",get_canvas());
531 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
532 action->set_param("id",x);
534 if(!get_instance()->perform_action(action))
535 get_ui_interface()->error(_("Action Failed."));
537 signal_id_changed_();
542 CanvasInterface::jump_to_next_keyframe()
544 synfig::info("Current time: %s",get_time().get_string().c_str());
547 synfig::Keyframe keyframe(*get_canvas()->keyframe_list().find_next(get_time()));
548 synfig::info("Jumping to keyframe \"%s\" at %s",keyframe.get_description().c_str(),keyframe.get_time().get_string().c_str());
549 set_time(keyframe.get_time());
551 catch(...) { synfig::warning("Unable to find next keyframe"); }
555 CanvasInterface::jump_to_prev_keyframe()
557 synfig::info("Current time: %s",get_time().get_string().c_str());
560 synfig::Keyframe keyframe(*get_canvas()->keyframe_list().find_prev(get_time()));
561 synfig::info("Jumping to keyframe \"%s\" at %s",keyframe.get_description().c_str(),keyframe.get_time().get_string().c_str());
562 set_time(keyframe.get_time());
564 catch(...) { synfig::warning("Unable to find prev keyframe"); }
568 CanvasInterface::import(const synfig::String &filename, synfig::String &errors, synfig::String &warnings, bool resize_image)
570 Action::PassiveGrouper group(get_instance().get(),_("Import Image"));
572 synfig::info("Attempting to import "+filename);
574 if (filename_extension(filename) == "")
576 get_ui_interface()->error(_("Filename must have an extension!"));
580 String ext(filename_extension(filename));
581 if (ext.size()) ext = ext.substr(1); // skip initial '.'
582 std::transform(ext.begin(),ext.end(),ext.begin(),&::tolower);
584 if(ext=="svg"){//I don't like it, but worse is nothing
585 Layer::Handle _new_layer(add_layer_to("PasteCanvas",get_canvas()));
586 Layer::Handle _aux_layer(add_layer_to("svg_layer",get_canvas()));
588 _aux_layer->set_param("filename",ValueBase(filename));
589 _new_layer->set_param("canvas",ValueBase(_aux_layer->get_param("canvas")));
591 Action::Handle action(Action::LayerRemove::create());
595 action->set_param("canvas",get_canvas());
596 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
597 action->set_param("layer",_aux_layer);
598 if(!action->is_ready()){
599 get_ui_interface()->error(_("Action Not Ready"));
602 if(!get_instance()->perform_action(action)){
603 get_ui_interface()->error(_("Action Failed."));
607 signal_layer_new_description()(_new_layer,filename);
611 // If this is a SIF file, then we need to do things slightly differently
612 if(ext=="sif" || ext=="sifz")try
614 Canvas::Handle outside_canvas(synfig::open_canvas(filename, errors, warnings));
616 throw String(_("Unable to open this composition")) + ":\n\n" + errors;
618 Layer::Handle layer(add_layer_to("PasteCanvas",get_canvas()));
620 throw String(_("Unable to create \"Paste Canvas\" layer"));
621 if(!layer->set_param("canvas",ValueBase(outside_canvas)))
623 get_canvas()->register_external_canvas(filename, outside_canvas);
625 //layer->set_description(basename(filename));
626 signal_layer_new_description()(layer,filename);
631 get_ui_interface()->error(filename + ": " + x);
636 get_ui_interface()->error(_("Uncaught exception when attempting\nto open this composition -- ")+filename);
640 if(!Importer::book().count(ext))
642 get_ui_interface()->error(_("I don't know how to open images of this type -- ")+ext);
648 Layer::Handle layer(add_layer_to("Import",get_canvas()));
652 if(!layer->set_param("filename",ValueBase(filename)))
654 w=layer->get_param("_width").get(int());
655 h=layer->get_param("_height").get(int());
658 Vector x, size=ValueBase(get_canvas()->rend_desc().get_br()-get_canvas()->rend_desc().get_tl());
660 // vector from top left of canvas to bottom right
663 if(abs(size[0])<abs(size[1])) // if canvas is tall and thin
665 x[0]=size[0]; // use full width
666 x[1]=size[0]/w*h; // and scale for height
667 if((size[0]<0) ^ (size[1]<0))
670 else // else canvas is short and fat (or maybe square)
672 x[1]=size[1]; // use full height
673 x[0]=size[1]/h*w; // and scale for width
674 if((size[0]<0) ^ (size[1]<0))
682 if((size[0]<0)) x[0]=-x[0];
683 if((size[1]<0)) x[1]=-x[1];
686 if(!layer->set_param("tl",ValueBase(-x/2)))
688 if(!layer->set_param("br",ValueBase(x/2)))
693 if(!layer->set_param("tl",ValueBase(get_canvas()->rend_desc().get_tl())))
695 if(!layer->set_param("br",ValueBase(get_canvas()->rend_desc().get_br())))
699 layer->set_description(basename(filename));
700 signal_layer_new_description()(layer,filename);
706 get_ui_interface()->error("Unable to import "+filename);
714 CanvasInterface::waypoint_duplicate(synfigapp::ValueDesc value_desc,synfig::Waypoint waypoint)
716 ValueNode::Handle value_node();
717 waypoint_duplicate(value_desc.get_value_node(), waypoint);
721 CanvasInterface::waypoint_duplicate(ValueNode::Handle value_node,synfig::Waypoint waypoint)
723 Action::Handle action(Action::create("WaypointSetSmart"));
729 waypoint.make_unique();
730 waypoint.set_time(get_time());
732 action->set_param("canvas",get_canvas());
733 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
734 action->set_param("waypoint",waypoint);
735 action->set_param("time",get_time());
736 action->set_param("value_node",value_node);
738 if(!get_instance()->perform_action(action))
739 get_ui_interface()->error(_("Action Failed."));
743 CanvasInterface::waypoint_remove(synfigapp::ValueDesc value_desc,synfig::Waypoint waypoint)
745 ValueNode::Handle value_node();
746 waypoint_remove(value_desc.get_value_node(), waypoint);
750 CanvasInterface::waypoint_remove(ValueNode::Handle value_node,synfig::Waypoint waypoint)
752 Action::Handle action(Action::create("WaypointRemove"));
758 action->set_param("canvas",get_canvas());
759 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
760 action->set_param("waypoint",waypoint);
761 action->set_param("value_node",value_node);
763 if(!get_instance()->perform_action(action))
764 get_ui_interface()->error(_("Action Failed."));
769 CanvasInterface::auto_export(synfig::ValueNode::Handle /*value_node*/)
772 // Check to see if we are already exported.
773 if(value_node->is_exported())
776 Action::Handle action(Action::create("ValueNodeAdd"));
782 String name(strprintf(_("Unnamed%08d"),synfig::UniqueID().get_uid()));
784 action->set_param("canvas",get_canvas());
785 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
786 action->set_param("new",value_node);
787 action->set_param("name",name);
789 if(!get_instance()->perform_action(action))
790 get_ui_interface()->error(_("Action Failed."));
795 CanvasInterface::auto_export(const ValueDesc& /*value_desc*/)
797 // THIS FUNCTION IS DEPRECATED, AND IS NOW A STUB.
799 // Check to see if we are already exported.
800 if(value_desc.is_exported())
803 Action::Handle action(Action::create("ValueDescExport"));
809 String name(strprintf(_("Unnamed%08d"),synfig::UniqueID().get_uid()));
811 action->set_param("canvas",get_canvas());
812 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
813 action->set_param("value_desc",value_desc);
814 action->set_param("name",name);
816 if(!get_instance()->perform_action(action))
817 get_ui_interface()->error(_("Action Failed."));
822 CanvasInterface::change_value(synfigapp::ValueDesc value_desc,synfig::ValueBase new_value)
824 // If this isn't really a change, then don't bother
825 if(new_value==value_desc.get_value(get_time()))
828 // If this change needs to take place elsewhere, then so be it.
829 if(value_desc.get_canvas())
831 if (value_desc.get_canvas()->get_root() != get_canvas()->get_root())
833 etl::handle<Instance> instance;
834 instance=find_instance(value_desc.get_canvas()->get_root());
837 return instance->find_canvas_interface(value_desc.get_canvas())->change_value(value_desc,new_value);
840 get_ui_interface()->error(_("The value you are trying to edit is in a composition\nwhich doesn't seem to be open. Open that composition and you\nshould be able to edit this value as normal."));
847 { synfig::warning("Can't get canvas from value desc...?"); }
850 synfigapp::Action::Handle action(synfigapp::Action::create("ValueDescSet"));
856 action->set_param("canvas",get_canvas());
857 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
858 action->set_param("time",get_time());
859 action->set_param("value_desc",value_desc);
860 action->set_param("new_value",new_value);
862 return get_instance()->perform_action(action);
866 CanvasInterface::set_meta_data(const synfig::String& key,const synfig::String& data)
868 get_canvas()->set_meta_data(key,data);
872 // this function goes with find_important_value_descs()
874 _process_value_desc(const synfigapp::ValueDesc& value_desc,std::vector<synfigapp::ValueDesc>& out, synfig::GUIDSet& guid_set)
878 if(value_desc.get_value_type()==ValueBase::TYPE_CANVAS)
880 Canvas::Handle canvas;
881 canvas=value_desc.get_value().get(canvas);
882 if(!canvas || !canvas->is_inline())
884 ret+=CanvasInterface::find_important_value_descs(canvas,out,guid_set);
887 if(value_desc.is_value_node())
889 ValueNode::Handle value_node(value_desc.get_value_node());
891 if(guid_set.count(value_node->get_guid()))
893 guid_set.insert(value_node->get_guid());
895 if(LinkableValueNode::Handle::cast_dynamic(value_node))
897 if(ValueNode_DynamicList::Handle::cast_dynamic(value_node))
899 out.push_back(value_desc);
902 // Process the linkable ValueNode's children
903 LinkableValueNode::Handle value_node_copy(LinkableValueNode::Handle::cast_dynamic(value_node));
905 for(i=0;i<value_node_copy->link_count();i++)
907 ValueNode::Handle link(value_node_copy->get_link(i));
908 if(!link->is_exported())
909 ret+=_process_value_desc(ValueDesc(value_node_copy,i),out,guid_set);
912 else if(ValueNode_Animated::Handle::cast_dynamic(value_node))
914 out.push_back(value_desc);
923 CanvasInterface::find_important_value_descs(synfig::Canvas::Handle canvas,std::vector<synfigapp::ValueDesc>& out,synfig::GUIDSet& guid_set)
926 if(!canvas->is_inline())
928 ValueNodeList::const_iterator iter;
931 iter=canvas->value_node_list().begin();
932 iter!=canvas->value_node_list().end();
934 ret+=_process_value_desc(ValueDesc(canvas,(*iter)->get_id()),out,guid_set);
937 Canvas::const_iterator iter;
939 for(iter=canvas->begin();iter!=canvas->end();++iter)
941 Layer::Handle layer(*iter);
943 Layer::DynamicParamList::const_iterator iter;
945 iter=layer->dynamic_param_list().begin();
946 iter!=layer->dynamic_param_list().end();
949 if(!iter->second->is_exported())
950 ret+=_process_value_desc(ValueDesc(layer,iter->first),out,guid_set);
952 ValueBase value(layer->get_param("canvas"));
954 ret+=_process_value_desc(ValueDesc(layer,"canvas"),out,guid_set);
961 CanvasInterface::find_important_value_descs(std::vector<synfigapp::ValueDesc>& out)
964 return find_important_value_descs(get_canvas(),out,tmp);
968 CanvasInterface::seek_frame(int frames)
972 float fps(get_canvas()->rend_desc().get_frame_rate());
973 Time newtime(get_time()+(float)frames/fps);
974 newtime=newtime.round(fps);
976 if(newtime<=get_canvas()->rend_desc().get_time_start())
977 newtime=get_canvas()->rend_desc().get_time_start();
978 if(newtime>=get_canvas()->rend_desc().get_time_end())
979 newtime=get_canvas()->rend_desc().get_time_end();
984 CanvasInterface::seek_time(synfig::Time time)
989 float fps(get_canvas()->rend_desc().get_frame_rate());
991 if(time>=synfig::Time::end())
993 set_time(get_canvas()->rend_desc().get_time_end());
996 if(time<=synfig::Time::begin())
998 set_time(get_canvas()->rend_desc().get_time_start());
1002 Time newtime(get_time()+time);
1003 newtime=newtime.round(fps);
1005 if(newtime<=get_canvas()->rend_desc().get_time_start())
1006 newtime=get_canvas()->rend_desc().get_time_start();
1007 if(newtime>=get_canvas()->rend_desc().get_time_end())
1008 newtime=get_canvas()->rend_desc().get_time_end();