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
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
36 #include <synfig/valuenode_scale.h>
37 #include <synfig/valuenode_timedswap.h>
38 #include <synfig/valuenode_composite.h>
39 #include <synfig/valuenode_subtract.h>
40 #include <synfig/valuenode_linear.h>
41 #include <synfig/valuenode_reference.h>
42 #include <synfig/valuenode_twotone.h>
43 #include <synfig/valuenode_stripes.h>
44 #include <synfig/valuenode_bline.h>
46 #include <synfig/waypoint.h>
47 #include <synfig/loadcanvas.h>
48 #include <synfig/importer.h>
49 #include <synfig/guidset.h>
51 #include "canvasinterface.h"
54 #include "actions/layeradd.h"
55 #include "actions/valuedescconvert.h"
56 #include "actions/valuenodeadd.h"
57 #include "actions/editmodeset.h"
58 #include "action_system.h"
62 #include <synfig/gradient.h>
68 /* === U S I N G =========================================================== */
72 using namespace synfig
;
73 using namespace synfigapp
;
75 /* === M A C R O S ========================================================= */
77 /* === G L O B A L S ======================================================= */
79 /* === P R O C E D U R E S ================================================= */
81 /* === M E T H O D S ======================================================= */
83 CanvasInterface::CanvasInterface(etl::loose_handle
<Instance
> instance
,etl::handle
<synfig::Canvas
> canvas
):
86 cur_time_(canvas
->rend_desc().get_frame_start()),
87 mode_(MODE_NORMAL
|MODE_ANIMATE_PAST
|MODE_ANIMATE_FUTURE
)
89 set_selection_manager(get_instance()->get_selection_manager());
90 set_ui_interface(get_instance()->get_ui_interface());
93 CanvasInterface::~CanvasInterface()
95 if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
96 synfig::info("CanvasInterface::~CanvasInterface(): Deleted");
100 CanvasInterface::set_time(synfig::Time x
)
102 if(get_canvas()->rend_desc().get_frame_rate())
104 float fps(get_canvas()->rend_desc().get_frame_rate());
105 Time
r(x
.round(fps
));
106 //synfig::info("CanvasInterface::set_time(): %s rounded to %s\n",x.get_string(fps).c_str(),r.get_string(fps).c_str());
109 if(cur_time_
.is_equal(x
))
111 get_canvas()->set_time(cur_time_
=x
);
113 // update the time in all the child canvases
114 Canvas::Children children
= get_canvas()->get_root()->children();
115 handle
<CanvasInterface
> interface
;
116 for (Canvas::Children::iterator iter
= children
.begin(); iter
!= children
.end(); iter
++)
117 if ((interface
= get_instance()->find_canvas_interface(*iter
)) != this)
118 interface
->set_time(interface
->get_canvas()->get_time());
120 signal_time_changed()();
121 signal_dirty_preview()();
125 CanvasInterface::get_time()const
131 CanvasInterface::refresh_current_values()
133 get_canvas()->set_time(cur_time_
);
134 signal_time_changed()();
135 signal_dirty_preview()();
138 etl::handle
<CanvasInterface
>
139 CanvasInterface::create(etl::loose_handle
<Instance
> instance
, etl::handle
<synfig::Canvas
> canvas
)
141 etl::handle
<CanvasInterface
> intrfc
;
142 intrfc
=new CanvasInterface(instance
,canvas
);
143 instance
->canvas_interface_list().push_front(intrfc
);
148 CanvasInterface::set_mode(Mode x
)
150 Action::Handle
action(Action::EditModeSet::create());
154 action
->set_param("canvas",get_canvas());
155 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
156 action
->set_param("edit_mode",x
);
158 if(!action
->is_ready())
160 get_ui_interface()->error(_("Action Not Ready, unable to change mode"));
165 if(!get_instance()->perform_action(action
))
166 get_ui_interface()->error(_("Unable to change mode"));
169 // signal_mode_changed_(x);
172 CanvasInterface::Mode
173 CanvasInterface::get_mode()const
181 CanvasInterface::add_layer_to(synfig::String name
, synfig::Canvas::Handle canvas
, int depth
)
183 synfigapp::Action::PassiveGrouper
group(get_instance().get(),_("Add Layer To"));
185 Layer::Handle
layer(Layer::create(name
));
192 if(canvas
!=get_canvas() && !canvas
->is_inline())
194 synfig::error("Bad canvas passed to \"add_layer_to\"");
198 // automatically export the Index parameter of new Duplicate layers
199 if (name
== "duplicate")
200 for (int i
= 1; ; i
++)
202 String name
= strprintf(_("Index %d"), i
);
205 canvas
->find_value_node(name
);
207 catch (Exception::IDNotFound x
)
209 add_value_node(layer
->dynamic_param_list().find("index")->second
, name
);
214 layer
->set_canvas(canvas
);
216 // Apply some defaults
217 if(layer
->set_param("fg",synfigapp::Main::get_foreground_color()))
218 layer
->set_param("bg",synfigapp::Main::get_background_color());
220 layer
->set_param("color",synfigapp::Main::get_foreground_color());
222 layer
->set_param("width",synfigapp::Main::get_bline_width().units(get_canvas()->rend_desc()));
223 layer
->set_param("gradient",synfigapp::Main::get_gradient());
225 layer
->set_param("amount",synfigapp::Main::get_opacity());
226 layer
->set_param("blend_method",synfigapp::Main::get_blend_method());
229 // Grab the layer's list of parameters
230 Layer::ParamList paramlist
=layer
->get_param_list();
231 Layer::ParamList::iterator iter
;
233 // loop through the static parameters
234 for(iter
=paramlist
.begin();iter
!=paramlist
.end();++iter
)
236 ValueNode::Handle value_node
;
238 // if we find any which are list values then make them
239 // into dynamic list valuenodes, unless every element of
240 // the list is a blinepoint, in which case convert it to a
242 if(iter
->second
.get_type()==ValueBase::TYPE_LIST
)
244 // check whether it's a list of blinepoints only
245 vector
<ValueBase
> list(iter
->second
.get_list());
248 vector
<ValueBase
>::iterator iter2
;
249 for (iter2
= list
.begin(); iter2
!= list
.end(); iter2
++)
250 if (iter2
->get_type() != ValueBase::TYPE_BLINEPOINT
)
252 if (iter2
== list
.end())
254 value_node
=LinkableValueNode::create("bline",iter
->second
);
255 ValueNode_BLine::Handle::cast_dynamic(value_node
)->set_member_canvas(canvas
);
260 value_node
=LinkableValueNode::create("dynamic_list",iter
->second
);
262 // otherwise, if it's a type that can be converted to
263 // 'composite' (other than the types that can be radial
264 // composite) then do so
265 else if(LinkableValueNode::check_type("composite",iter
->second
.get_type()) &&
266 (iter
->second
.get_type()!=ValueBase::TYPE_COLOR
&&
267 iter
->second
.get_type()!=ValueBase::TYPE_VECTOR
))
268 value_node
=LinkableValueNode::create("composite",iter
->second
);
271 layer
->connect_dynamic_param(iter
->first
,value_node
);
275 // Action to add the layer
276 Action::Handle
action(Action::LayerAdd::create());
282 action
->set_param("canvas",canvas
);
283 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
284 action
->set_param("new",layer
);
286 if(!action
->is_ready())
288 get_ui_interface()->error(_("Action Not Ready"));
292 if(!get_instance()->perform_action(action
))
294 get_ui_interface()->error(_("Action Failed."));
298 // synfig::info("DEPTH=%d",depth);
300 // Action to move the layer (if necessary)
303 Action::Handle
action(Action::create("layer_move"));
309 action
->set_param("canvas",canvas
);
310 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
311 action
->set_param("layer",layer
);
312 action
->set_param("new_index",depth
);
314 if(!action
->is_ready())
316 get_ui_interface()->error(_("Move Action Not Ready"));
320 if(!get_instance()->perform_action(action
))
322 get_ui_interface()->error(_("Move Action Failed."));
333 CanvasInterface::convert(ValueDesc value_desc
, synfig::String type
)
335 Action::Handle
action(Action::ValueDescConvert::create());
341 action
->set_param("canvas",get_canvas());
342 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
343 action
->set_param("value_desc",value_desc
);
344 action
->set_param("type",type
);
345 action
->set_param("time",get_time());
347 if(!action
->is_ready())
349 get_ui_interface()->error(_("Action Not Ready"));
353 if(get_instance()->perform_action(action
))
356 get_ui_interface()->error(_("Action Failed."));
361 CanvasInterface::add_value_node(synfig::ValueNode::Handle value_node
, synfig::String name
)
365 get_ui_interface()->error(_("Empty name!"));
369 Action::Handle
action(Action::ValueNodeAdd::create());
375 action
->set_param("canvas",get_canvas());
376 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
377 action
->set_param("new",value_node
);
378 action
->set_param("name",name
);
380 if(!action
->is_ready())
382 get_ui_interface()->error(_("Action Not Ready"));
386 if(get_instance()->perform_action(action
))
389 get_ui_interface()->error(_("Action Failed."));
394 CanvasInterface::generate_param_list(const ValueDesc
&value_desc
)
396 synfigapp::Action::ParamList param_list
;
397 param_list
.add("time",get_time());
398 param_list
.add("canvas_interface",etl::handle
<CanvasInterface
>(this));
399 param_list
.add("canvas",get_canvas());
401 param_list
.add("value_desc",value_desc
);
403 if(value_desc
.parent_is_value_node())
404 param_list
.add("parent_value_node",value_desc
.get_parent_value_node());
406 if(value_desc
.is_value_node())
407 param_list
.add("value_node",value_desc
.get_value_node());
409 if(value_desc
.is_const())
411 // Fix 1868911: if we put a ValueBase holding a Canvas handle
412 // into the param_list and then export the canvas, the handle
413 // will miss out of having its reference count reduced,
414 // because by the time the handle is destructed the canvas
415 // will no longer be inline. So let's not propogate that
416 // ValueBase any further than here.
417 if (value_desc
.get_value_type() == ValueBase::TYPE_CANVAS
)
418 param_list
.add("value",Canvas::LooseHandle(value_desc
.get_value().get(Canvas::LooseHandle())));
420 param_list
.add("value",value_desc
.get_value());
423 if(value_desc
.parent_is_layer_param())
425 param_list
.add("parent_layer",value_desc
.get_layer());
426 param_list
.add("parent_layer_param",value_desc
.get_param_name());
430 synfigapp::SelectionManager::ChildrenList children_list
;
431 children_list
=get_selection_manager()->get_selected_children();
432 if(!value_desc
.parent_is_canvas() && children_list
.size()==1)
434 param_list
.add("dest",value_desc
);
435 param_list
.add("src",children_list
.front().get_value_node());
442 CanvasInterface::generate_param_list(const std::list
<synfigapp::ValueDesc
> &value_desc_list
)
444 synfigapp::Action::ParamList param_list
;
445 param_list
.add("time",get_time());
446 param_list
.add("canvas_interface",etl::handle
<CanvasInterface
>(this));
447 param_list
.add("canvas",get_canvas());
449 std::list
<synfigapp::ValueDesc
>::const_iterator iter
;
450 for(iter
=value_desc_list
.begin();iter
!=value_desc_list
.end();++iter
)
452 param_list
.add("value_desc",*iter
);
453 if(iter
->is_value_node())
455 param_list
.add("value_node",iter
->get_value_node());
464 CanvasInterface::set_rend_desc(const synfig::RendDesc
&rend_desc
)
466 Action::Handle
action(Action::create("canvas_rend_desc_set"));
472 action
->set_param("canvas",get_canvas());
473 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
474 action
->set_param("rend_desc",rend_desc
);
476 if(!get_instance()->perform_action(action
))
477 get_ui_interface()->error(_("Action Failed."));
481 CanvasInterface::set_name(const synfig::String
&x
)
483 Action::Handle
action(Action::create("canvas_name_set"));
489 action
->set_param("canvas",get_canvas());
490 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
491 action
->set_param("name",x
);
493 if(!get_instance()->perform_action(action
))
494 get_ui_interface()->error(_("Action Failed."));
496 signal_id_changed_();
500 CanvasInterface::set_description(const synfig::String
&x
)
502 Action::Handle
action(Action::create("canvas_description_set"));
508 action
->set_param("canvas",get_canvas());
509 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
510 action
->set_param("description",x
);
512 if(!get_instance()->perform_action(action
))
513 get_ui_interface()->error(_("Action Failed."));
517 CanvasInterface::set_id(const synfig::String
&x
)
519 Action::Handle
action(Action::create("canvas_id_set"));
525 action
->set_param("canvas",get_canvas());
526 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
527 action
->set_param("id",x
);
529 if(!get_instance()->perform_action(action
))
530 get_ui_interface()->error(_("Action Failed."));
532 signal_id_changed_();
537 CanvasInterface::jump_to_next_keyframe()
539 synfig::info("Current time: %s",get_time().get_string().c_str());
542 synfig::Keyframe
keyframe(*get_canvas()->keyframe_list().find_next(get_time()));
543 synfig::info("Jumping to keyframe \"%s\" at %s",keyframe
.get_description().c_str(),keyframe
.get_time().get_string().c_str());
544 set_time(keyframe
.get_time());
546 catch(...) { synfig::warning("Unable to find next keyframe"); }
550 CanvasInterface::jump_to_prev_keyframe()
552 synfig::info("Current time: %s",get_time().get_string().c_str());
555 synfig::Keyframe
keyframe(*get_canvas()->keyframe_list().find_prev(get_time()));
556 synfig::info("Jumping to keyframe \"%s\" at %s",keyframe
.get_description().c_str(),keyframe
.get_time().get_string().c_str());
557 set_time(keyframe
.get_time());
559 catch(...) { synfig::warning("Unable to find prev keyframe"); }
563 CanvasInterface::import(const synfig::String
&filename
, bool /*copy*/)
565 Action::PassiveGrouper
group(get_instance().get(),_("Import Image"));
567 synfig::info("Attempting to import "+filename
);
569 if (filename_extension(filename
) == "")
571 get_ui_interface()->error(_("Filename must have an extension!"));
575 String
ext(filename_extension(filename
));
576 if (ext
.size()) ext
= ext
.substr(1); // skip initial '.'
577 std::transform(ext
.begin(),ext
.end(),ext
.begin(),&::tolower
);
579 // If this is a SIF file, then we need to do things slightly differently
580 if(ext
=="sif" || ext
=="sifz")try
583 Canvas::Handle
outside_canvas(synfig::open_canvas(filename
, errors
));
585 throw String(_("Unable to open this composition")) + ":\n\n" + errors
;
587 Layer::Handle
layer(add_layer_to("PasteCanvas",get_canvas()));
589 throw String(_("Unable to create \"Paste Canvas\" layer"));
590 if(!layer
->set_param("canvas",ValueBase(outside_canvas
)))
593 //layer->set_description(basename(filename));
594 signal_layer_new_description()(layer
,filename
);
599 get_ui_interface()->error(filename
+ ": " + x
);
604 get_ui_interface()->error(_("Uncaught exception when attempting\nto open this composition -- ")+filename
);
608 if(!Importer::book().count(ext
))
610 get_ui_interface()->error(_("I don't know how to open images of this type -- ")+ext
);
616 Layer::Handle
layer(add_layer_to("Import",get_canvas()));
620 if(!layer
->set_param("filename",ValueBase(filename
)))
622 w
=layer
->get_param("_width").get(int());
623 h
=layer
->get_param("_height").get(int());
626 Vector size
=ValueBase(get_canvas()->rend_desc().get_br()-get_canvas()->rend_desc().get_tl());
632 if((size
[0]<0) ^ (size
[1]<0))
639 if((size
[0]<0) ^ (size
[1]<0))
642 if(!layer
->set_param("tl",ValueBase(-x
/2)))
644 if(!layer
->set_param("br",ValueBase(x
/2)))
649 if(!layer
->set_param("tl",ValueBase(get_canvas()->rend_desc().get_tl())))
651 if(!layer
->set_param("br",ValueBase(get_canvas()->rend_desc().get_br())))
655 layer
->set_description(basename(filename
));
656 signal_layer_new_description()(layer
,filename
);
662 get_ui_interface()->error("Unable to import "+filename
);
670 CanvasInterface::waypoint_duplicate(synfigapp::ValueDesc value_desc
,synfig::Waypoint waypoint
)
672 ValueNode::Handle
value_node();
673 waypoint_duplicate(value_desc
.get_value_node(), waypoint
);
677 CanvasInterface::waypoint_duplicate(ValueNode::Handle value_node
,synfig::Waypoint waypoint
)
679 Action::Handle
action(Action::create("waypoint_set_smart"));
685 waypoint
.make_unique();
686 waypoint
.set_time(get_time());
688 action
->set_param("canvas",get_canvas());
689 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
690 action
->set_param("waypoint",waypoint
);
691 action
->set_param("time",get_time());
692 action
->set_param("value_node",value_node
);
694 if(!get_instance()->perform_action(action
))
695 get_ui_interface()->error(_("Action Failed."));
699 CanvasInterface::waypoint_remove(synfigapp::ValueDesc value_desc
,synfig::Waypoint waypoint
)
701 ValueNode::Handle
value_node();
702 waypoint_remove(value_desc
.get_value_node(), waypoint
);
706 CanvasInterface::waypoint_remove(ValueNode::Handle value_node
,synfig::Waypoint waypoint
)
708 Action::Handle
action(Action::create("waypoint_remove"));
714 action
->set_param("canvas",get_canvas());
715 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
716 action
->set_param("waypoint",waypoint
);
717 action
->set_param("value_node",value_node
);
719 if(!get_instance()->perform_action(action
))
720 get_ui_interface()->error(_("Action Failed."));
725 CanvasInterface::auto_export(synfig::ValueNode::Handle
/*value_node*/)
728 // Check to see if we are already exported.
729 if(value_node->is_exported())
732 Action::Handle action(Action::create("value_node_add"));
738 String name(strprintf(_("Unnamed%08d"),synfig::UniqueID().get_uid()));
740 action->set_param("canvas",get_canvas());
741 action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
742 action->set_param("new",value_node);
743 action->set_param("name",name);
745 if(!get_instance()->perform_action(action))
746 get_ui_interface()->error(_("Action Failed."));
751 CanvasInterface::auto_export(const ValueDesc
& /*value_desc*/)
753 // THIS FUNCTION IS DEPRECATED, AND IS NOW A STUB.
755 // Check to see if we are already exported.
756 if(value_desc
.is_exported())
759 Action::Handle
action(Action::create("value_desc_export"));
765 String
name(strprintf(_("Unnamed%08d"),synfig::UniqueID().get_uid()));
767 action
->set_param("canvas",get_canvas());
768 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
769 action
->set_param("value_desc",value_desc
);
770 action
->set_param("name",name
);
772 if(!get_instance()->perform_action(action
))
773 get_ui_interface()->error(_("Action Failed."));
778 CanvasInterface::change_value(synfigapp::ValueDesc value_desc
,synfig::ValueBase new_value
)
780 // If this isn't really a change, then don't bother
781 if(new_value
==value_desc
.get_value(get_time()))
784 // If this change needs to take place elsewhere, then so be it.
785 if(value_desc
.get_canvas())
787 if (value_desc
.get_canvas()->get_root() != get_canvas()->get_root())
789 etl::handle
<Instance
> instance
;
790 instance
=find_instance(value_desc
.get_canvas()->get_root());
793 return instance
->find_canvas_interface(value_desc
.get_canvas())->change_value(value_desc
,new_value
);
796 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."));
803 { synfig::warning("Can't get canvas from value desc...?"); }
806 synfigapp::Action::Handle
action(synfigapp::Action::create("value_desc_set"));
812 action
->set_param("canvas",get_canvas());
813 action
->set_param("canvas_interface",etl::loose_handle
<CanvasInterface
>(this));
814 action
->set_param("time",get_time());
815 action
->set_param("value_desc",value_desc
);
816 action
->set_param("new_value",new_value
);
818 return get_instance()->perform_action(action
);
822 CanvasInterface::set_meta_data(const synfig::String
& key
,const synfig::String
& data
)
824 get_canvas()->set_meta_data(key
,data
);
828 // this function goes with find_important_value_descs()
830 _process_value_desc(const synfigapp::ValueDesc
& value_desc
,std::vector
<synfigapp::ValueDesc
>& out
, synfig::GUIDSet
& guid_set
)
834 if(value_desc
.get_value_type()==ValueBase::TYPE_CANVAS
)
836 Canvas::Handle canvas
;
837 canvas
=value_desc
.get_value().get(canvas
);
838 if(!canvas
|| !canvas
->is_inline())
840 ret
+=CanvasInterface::find_important_value_descs(canvas
,out
,guid_set
);
843 if(value_desc
.is_value_node())
845 ValueNode::Handle
value_node(value_desc
.get_value_node());
847 if(guid_set
.count(value_node
->get_guid()))
849 guid_set
.insert(value_node
->get_guid());
851 if(LinkableValueNode::Handle::cast_dynamic(value_node
))
853 if(ValueNode_DynamicList::Handle::cast_dynamic(value_node
))
855 out
.push_back(value_desc
);
858 // Process the linkable ValueNode's children
859 LinkableValueNode::Handle
value_node_copy(LinkableValueNode::Handle::cast_dynamic(value_node
));
861 for(i
=0;i
<value_node_copy
->link_count();i
++)
863 ValueNode::Handle
link(value_node_copy
->get_link(i
));
864 if(!link
->is_exported())
865 ret
+=_process_value_desc(ValueDesc(value_node_copy
,i
),out
,guid_set
);
868 else if(ValueNode_Animated::Handle::cast_dynamic(value_node
))
870 out
.push_back(value_desc
);
879 CanvasInterface::find_important_value_descs(synfig::Canvas::Handle canvas
,std::vector
<synfigapp::ValueDesc
>& out
,synfig::GUIDSet
& guid_set
)
882 if(!canvas
->is_inline())
884 ValueNodeList::const_iterator iter
;
887 iter
=canvas
->value_node_list().begin();
888 iter
!=canvas
->value_node_list().end();
890 ret
+=_process_value_desc(ValueDesc(canvas
,(*iter
)->get_id()),out
,guid_set
);
893 Canvas::const_iterator iter
;
895 for(iter
=canvas
->begin();iter
!=canvas
->end();++iter
)
897 Layer::Handle
layer(*iter
);
899 Layer::DynamicParamList::const_iterator iter
;
901 iter
=layer
->dynamic_param_list().begin();
902 iter
!=layer
->dynamic_param_list().end();
905 if(!iter
->second
->is_exported())
906 ret
+=_process_value_desc(ValueDesc(layer
,iter
->first
),out
,guid_set
);
908 ValueBase
value(layer
->get_param("canvas"));
910 ret
+=_process_value_desc(ValueDesc(layer
,"canvas"),out
,guid_set
);
917 CanvasInterface::find_important_value_descs(std::vector
<synfigapp::ValueDesc
>& out
)
920 return find_important_value_descs(get_canvas(),out
,tmp
);
924 CanvasInterface::seek_frame(int frames
)
928 float fps(get_canvas()->rend_desc().get_frame_rate());
929 Time
newtime(get_time()+(float)frames
/fps
);
930 newtime
=newtime
.round(fps
);
932 if(newtime
<=get_canvas()->rend_desc().get_time_start())
933 newtime
=get_canvas()->rend_desc().get_time_start();
934 if(newtime
>=get_canvas()->rend_desc().get_time_end())
935 newtime
=get_canvas()->rend_desc().get_time_end();
940 CanvasInterface::seek_time(synfig::Time time
)
945 float fps(get_canvas()->rend_desc().get_frame_rate());
947 if(time
>=synfig::Time::end())
949 set_time(get_canvas()->rend_desc().get_time_end());
952 if(time
<=synfig::Time::begin())
954 set_time(get_canvas()->rend_desc().get_time_start());
958 Time
newtime(get_time()+time
);
959 newtime
=newtime
.round(fps
);
961 if(newtime
<=get_canvas()->rend_desc().get_time_start())
962 newtime
=get_canvas()->rend_desc().get_time_start();
963 if(newtime
>=get_canvas()->rend_desc().get_time_end())
964 newtime
=get_canvas()->rend_desc().get_time_end();