Canvas is a double ended queue of Layers. It is the base class for a Synfig document. More...

#include <canvas.h>

Inheritance diagram for synfig::Canvas:

Public Types
typedef etl::handle< Canvas >	Handle
typedef etl::loose_handle< Canvas >	LooseHandle
typedef etl::handle< const Canvas >	ConstHandle
typedef std::list< Handle >	Children
Public Types inherited from synfig::Node
typedef TimePointSet	time_set

Public Member Functions
sigc::signal< void, String, etl::handle< synfig::Layer > > &	signal_group_pair_added ()
sigc::signal< void, String, etl::handle< synfig::Layer > > &	signal_group_pair_removed ()
sigc::signal< void, String > &	signal_group_added ()
	Group Added.
sigc::signal< void, String > &	signal_group_removed ()
	Group Removed.
sigc::signal< void, String > &	signal_group_changed ()
	Group Changed.
sigc::signal< void, int * > &	signal_layers_reordered ()
	Layers Reordered.
sigc::signal< void > &	signal_rend_desc_changed ()
	RendDesc Changed.
sigc::signal< void > &	signal_id_changed ()
	ID Changed.
sigc::signal< void > &	signal_file_name_changed ()
	File name Changed.
sigc::signal< void, String > &	signal_meta_data_changed ()
	Metadata Changed.
sigc::signal< void > &	signal_meta_data_changed (const String &key)
	Metadata Changed.
sigc::signal< void, etl::handle< ValueNode > > &	signal_value_node_changed ()
	Value Node Changed.
sigc::signal< void, etl::handle< ValueNode > > &	signal_value_node_renamed ()
	Value Node Renamed.
sigc::signal< void > &	signal_dirty ()
	Dirty.
sigc::signal< void, etl::handle< ValueNode > , etl::handle< ValueNode > > &	signal_value_node_child_added ()
	Child Value Node Added.
sigc::signal< void, etl::handle< ValueNode > , etl::handle< ValueNode > > &	signal_value_node_child_removed ()
	Child Value Node Removed.
void	invoke_signal_value_node_child_removed (etl::handle< ValueNode >, etl::handle< ValueNode >)
	~Canvas ()
std::set< etl::handle< Layer > >	get_layers_in_group (const String &group)
	Returns the set of layers in group.
std::set< String >	get_groups () const
	Gets all the groups.
int	get_group_count () const
	Gets the number of groups in this canvas.
void	rename_group (const String &old_name, const String &new_name)
	Renames the given group.
bool	is_inline () const
	Returns true if the Canvas is in line.
RendDesc &	rend_desc ()
	Returns a handle to the RendDesc for this Canvas.
const RendDesc &	rend_desc () const
	Returns a handle to the RendDesc for this Canvas.
const String &	get_name () const
	Gets the name of the canvas.
void	set_name (const String &x)
	Sets the name of the canvas.
const String	get_version () const
	Gets the version string of the canvas.
void	set_version (const String &x)
	Sets the version string of the canvas.
const String &	get_author () const
	Gets the author of the canvas.
void	set_author (const String &x)
	Sets the author of the canvas.
const String &	get_description () const
	Gets the description of the canvas.
String	get_string () const
void	set_description (const String &x)
	Sets the name of the canvas.
const String &	get_id () const
	Gets the ID of the canvas.
void	set_id (const String &x)
	Sets the ID of the canvas.
String	get_meta_data (const String &key) const
	Returns the data string for the given meta data key.
std::list< String >	get_meta_data_keys () const
	Returns a list of meta data keys.
void	set_meta_data (const String &key, const String &data)
	Sets a meta data key to a specific string.
void	erase_meta_data (const String &key)
	Removes a meta data key.
String	get_relative_id (etl::loose_handle< const Canvas > x) const
	Gets the relative ID string for an ancestor Canvas.
String	_get_relative_id (etl::loose_handle< const Canvas > x) const
	Gets the relative ID string for an ancestor Canvas. Don't call it directly.
bool	is_root () const
	Returns `true` if the Canvas is a root Canvas. `false` otherwise.
LooseHandle	parent () const
	Returns a handle to the parent Canvas.
LooseHandle	get_root () const
	Returns a handle to the root Canvas.
LooseHandle	get_non_inline_ancestor () const
std::list< Handle > &	children ()
	Returns a list of all child canvases in this canvas.
const std::list< Handle > &	children () const
	Returns a list of all child canvases in this canvas.
void	set_time (Time t) const
	Gets the color at the specified point.
Time	get_time () const
	Returns the current time of the Canvas.
int	size () const
	Returns the number of layers in the canvas.
void	clear ()
	Removes all the layers from the canvas.
bool	empty () const
	Returns true if the canvas has no layers.
const ValueNodeList &	value_node_list () const
	Returns a reference to the ValueNodeList for this Canvas.
KeyframeList &	keyframe_list ()
	Returns a reference to the KeyframeList for this Canvas.
const KeyframeList &	keyframe_list () const
	Returns a reference to the KeyframeList for this Canvas.
ValueNode::Handle	find_value_node (const String &id, bool might_fail)
	Finds the ValueNode in the Canvas with the given id.
ValueNode::Handle	surefind_value_node (const String &id)
ValueNode::ConstHandle	find_value_node (const String &id, bool might_fail) const
	Finds the ValueNode in the Canvas with the given id.
void	add_value_node (ValueNode::Handle x, const String &id)
	Adds a Value node by its Id.
void	remove_value_node (ValueNode::Handle x, bool might_fail)
	writeme
void	remove_value_node (const String &id, bool might_fail)
	Removes a Value Node from the Canvas by its Id.
Handle	surefind_canvas (const String &id, String &warnings)
	Finds a child Canvas in the Canvas with the given name.
Handle	find_canvas (const String &id, String &warnings)
	Finds a child Canvas in the Canvas with the given id.
ConstHandle	find_canvas (const String &id, String &warnings) const
	Finds a child Canvas in the Canvas with the given id.
String	get_file_path () const
	Sets the file path for the Canvas.
void	set_file_name (const String &)
	Sets the filename (with path)
String	get_file_name () const
	Gets the filename (with path)
void	set_identifier (const FileSystem::Identifier &)
	Sets the file identifier.
const FileSystem::Identifier &	get_identifier () const
	Gets the file identifier.
Handle	new_child_canvas ()
	Creates a new child canvas, and returns its handle.
Handle	new_child_canvas (const String &id)
	Creates a new child canvas with an ID of id, and returns its handle.
Handle	add_child_canvas (Handle child_canvas, const String &id)
	Adds the given canvas as a child.
void	remove_child_canvas (Handle child_canvas)
etl::handle< Layer >	find_layer (const ContextParams &context_params, const Point &pos)
int	get_depth (etl::handle< Layer >) const
	Gets the depth of a particular Layer by its handle.
IndependentContext	get_independent_context () const
	Retireves the first layer of the double queue of Layers.
Context	get_context (const ContextParams &params) const
	Retireves the first layer of the double queue of Layers assigned with rendering parameters.
Context	get_context (const Context &parent_context) const
	Retireves the first layer of the double queue of Layers assigned with rendering parameters.
iterator	end ()
	Returns the last Canvas layer queue iterator. Notice that it.
const_iterator	end () const
	Returns the last Canvas layer queue const_iterator. Notice that it.
reverse_iterator	rbegin ()
	Returns the last Canvas layer queue reverse iterator. Notice that it.
const_reverse_iterator	rbegin () const
	Returns the last Canvas layer queue reverse const iterator. Notice that it.
etl::handle< Layer > &	back ()
	Returns last layer in Canvas layer stack.
const etl::handle< Layer > &	back () const
	Returns last layer in Canvas layer stack.
void	push_back (etl::handle< Layer > x)
void	push_front (etl::handle< Layer > x)
	Inserts a layer just at the beggining of the Canvas layer dqueue.
void	push_back_simple (etl::handle< Layer > x)
void	insert (iterator iter, etl::handle< Layer > x)
void	erase (iterator iter)
void	set_inline (LooseHandle parent)
Handle	clone (const GUID &deriv_guid=GUID(), bool for_export=false) const
	Clones (copies) the Canvas.
void	register_external_canvas (String file, Handle canvas)
	Stores the external canvas by its file name and the Canvas handle.
Real	get_grow_value () const
	Set/Get members for the grow value.
void	set_grow_value (Real x)
void	fill_sound_processor (SoundProcessor &soundProcessor) const
Public Member Functions inherited from synfig::Node
sigc::signal< void > &	signal_deleted ()
sigc::signal< void > &	signal_changed ()
sigc::signal< void, GUID > &	signal_guid_changed ()
	GUID Changed.
virtual	~Node ()
void	changed ()
const GUID &	get_guid () const
	Gets the GUID for this Node.
virtual void	set_guid (const GUID &x)
	Sets the GUID for this Node.
int	get_time_last_changed () const
	Gets the time when the Node was changed.
void	add_child (Node *x)
	Adds the parameter as the child of the current Node.
void	remove_child (Node *x)
	Removes the parameter as a child of the current Node.
int	parent_count () const
	Returns how many parenst has the current Node.
const time_set &	get_times () const
	Returns the cached times values for all the children.
RWLock &	get_rw_lock () const
	Writeme!

Static Public Member Functions
static Handle	create ()
	Returns a Canvas handle with "Untitled" as ID.
static Handle	create_inline (Handle parent)
	Creates an inline Canvas for a given Canvas .

Protected Member Functions
	Canvas (const String &name)
	Canvas constructor by Canvas name.
virtual void	on_changed ()
	Sets the Canvas to dirty and calls Node::on_changed()
virtual void	get_times_vfunc (Node::time_set &set) const
Protected Member Functions inherited from synfig::Node
	Node ()
void	begin_delete ()
virtual void	on_guid_changed (GUID guid)

Friends
void	synfig::optimize_layers (Time, Context, Canvas::Handle, bool seen_motion_blur)

Additional Inherited Members
Public Attributes inherited from synfig::Node
std::set< Node * >	parent_set

Detailed Description

Canvas is a double ended queue of Layers. It is the base class for a Synfig document.

As a node it inherits all the parent child relationship and the GUID methods. As a double queue it allows insertion and deletion of Layers and can access to the layers on the queue easily.

Member Typedef Documentation

typedef etl::handle<Canvas> synfig::Canvas::Handle

typedef etl::loose_handle<Canvas> synfig::Canvas::LooseHandle

typedef etl::handle<const Canvas> synfig::Canvas::ConstHandle

typedef std::list<Handle> synfig::Canvas::Children

Constructor & Destructor Documentation

Canvas::Canvas ( const String & name )

protected

Canvas constructor by Canvas name.

References clear(), synfig::FileSystem::Identifier::file_system, and synfig::FileSystemNative::instance().

Referenced by clone(), create(), and create_inline().

Canvas::~Canvas ( )

References synfig::Node::begin_delete(), clear(), synfig::Node::parent_set, synfig::Layer_PasteCanvas::set_sub_canvas(), and synfig::warning().

Member Function Documentation

sigc::signal<void,String,etl::handle<synfig::Layer> >& synfig::Canvas::signal_group_pair_added ( )

inline

sigc::signal<void,String,etl::handle<synfig::Layer> >& synfig::Canvas::signal_group_pair_removed ( )

inline

sigc::signal<void,String>& synfig::Canvas::signal_group_added ( )

inline

Group Added.

sigc::signal<void,String>& synfig::Canvas::signal_group_removed ( )

inline

Group Removed.

sigc::signal<void,String>& synfig::Canvas::signal_group_changed ( )

inline

Group Changed.

sigc::signal<void,int*>& synfig::Canvas::signal_layers_reordered ( )

inline

Layers Reordered.

sigc::signal<void>& synfig::Canvas::signal_rend_desc_changed ( )

inline

RendDesc Changed.

sigc::signal<void>& synfig::Canvas::signal_id_changed ( )

inline

ID Changed.

sigc::signal< void > & Canvas::signal_file_name_changed ( )

File name Changed.

References parent().

sigc::signal<void, String>& synfig::Canvas::signal_meta_data_changed ( )

inline

Metadata Changed.

Referenced by erase_meta_data(), set_author(), set_description(), set_meta_data(), and set_name().

sigc::signal<void>& synfig::Canvas::signal_meta_data_changed ( const String & key )

inline

Metadata Changed.

sigc::signal<void, etl::handle<ValueNode> >& synfig::Canvas::signal_value_node_changed ( )

inline

Value Node Changed.

sigc::signal<void, etl::handle<ValueNode> >& synfig::Canvas::signal_value_node_renamed ( )

inline

Value Node Renamed.

sigc::signal<void>& synfig::Canvas::signal_dirty ( )

inline

Dirty.

References synfig::Node::signal_changed().

sigc::signal<void, etl::handle<ValueNode>, etl::handle<ValueNode> >& synfig::Canvas::signal_value_node_child_added ( )

inline

Child Value Node Added.

sigc::signal<void, etl::handle<ValueNode>, etl::handle<ValueNode> >& synfig::Canvas::signal_value_node_child_removed ( )

inline

Child Value Node Removed.

Referenced by invoke_signal_value_node_child_removed().

void Canvas::invoke_signal_value_node_child_removed	(	etl::handle< ValueNode >	container,
		etl::handle< ValueNode >	content
	)

References get_non_inline_ancestor(), synfig::Node::parent_set, and signal_value_node_child_removed().

std::set< etl::handle< Layer > > Canvas::get_layers_in_group ( const String & group )

Returns the set of layers in group.

References is_inline().

Referenced by rename_group().

std::set< String > Canvas::get_groups ( ) const

Gets all the groups.

References is_inline().

int Canvas::get_group_count ( ) const

Gets the number of groups in this canvas.

References is_inline().

void Canvas::rename_group	(	const String &	old_name,
		const String &	new_name
	)

Renames the given group.

References get_layers_in_group(), and is_inline().

bool synfig::Canvas::is_inline ( ) const

inline

Returns true if the Canvas is in line.

Referenced by _get_relative_id(), add_child_canvas(), add_value_node(), clone(), find_canvas(), find_value_node(), get_group_count(), get_groups(), get_layers_in_group(), get_non_inline_ancestor(), get_relative_id(), keyframe_list(), new_child_canvas(), remove_child_canvas(), remove_value_node(), rename_group(), set_id(), surefind_canvas(), surefind_value_node(), and value_node_list().

RendDesc& synfig::Canvas::rend_desc ( )

inline

Returns a handle to the RendDesc for this Canvas.

Referenced by clone(), new_child_canvas(), and set_inline().

const RendDesc& synfig::Canvas::rend_desc ( ) const

inline

Returns a handle to the RendDesc for this Canvas.

const String& synfig::Canvas::get_name ( ) const

inline

Gets the name of the canvas.

void Canvas::set_name ( const String & x )

Sets the name of the canvas.

References signal_meta_data_changed().

const String synfig::Canvas::get_version ( ) const

inline

Gets the version string of the canvas.

void synfig::Canvas::set_version ( const String & x )

inline

Sets the version string of the canvas.

const String& synfig::Canvas::get_author ( ) const

inline

Gets the author of the canvas.

void Canvas::set_author ( const String & x )

Sets the author of the canvas.

References signal_meta_data_changed().

const String& synfig::Canvas::get_description ( ) const

inline

Gets the description of the canvas.

Referenced by get_string().

String Canvas::get_string ( ) const

virtual

Implements synfig::Node.

References get_description().

void Canvas::set_description ( const String & x )

Sets the name of the canvas.

References signal_meta_data_changed().

const String& synfig::Canvas::get_id ( ) const

inline

Gets the ID of the canvas.

Referenced by _get_relative_id(), and clone().

void Canvas::set_id ( const String & x )

Sets the ID of the canvas.

References is_inline(), and valid_id().

String Canvas::get_meta_data ( const String & key ) const

Returns the data string for the given meta data key.

std::list< String > Canvas::get_meta_data_keys ( ) const

Returns a list of meta data keys.

void Canvas::set_meta_data	(	const String &	key,
		const String &	data
	)

Sets a meta data key to a specific string.

References signal_meta_data_changed().

void Canvas::erase_meta_data ( const String & key )

Removes a meta data key.

References signal_meta_data_changed().

String Canvas::get_relative_id ( etl::loose_handle< const Canvas > x ) const

Gets the relative ID string for an ancestor Canvas.

References _get_relative_id(), and is_inline().

String Canvas::_get_relative_id ( etl::loose_handle< const Canvas > x ) const

Gets the relative ID string for an ancestor Canvas. Don't call it directly.

References get_file_name(), get_id(), get_root(), is_inline(), is_root(), and parent().

Referenced by get_relative_id().

bool synfig::Canvas::is_root ( ) const

inline

Returns true if the Canvas is a root Canvas. false otherwise.

Referenced by _get_relative_id(), and set_time().

LooseHandle synfig::Canvas::parent ( ) const

inline

Returns a handle to the parent Canvas.

The returned handle will be empty if this is a root canvas

Referenced by _get_relative_id(), clone(), get_file_name(), get_file_path(), get_identifier(), set_file_name(), set_inline(), and signal_file_name_changed().

Canvas::LooseHandle Canvas::get_root ( ) const

Returns a handle to the root Canvas.

Referenced by _get_relative_id(), find_canvas(), and surefind_canvas().

Canvas::LooseHandle Canvas::get_non_inline_ancestor ( ) const

References is_inline().

Referenced by invoke_signal_value_node_child_removed().

std::list<Handle>& synfig::Canvas::children ( )

inline

Returns a list of all child canvases in this canvas.

Referenced by add_child_canvas(), find_canvas(), new_child_canvas(), remove_child_canvas(), and surefind_canvas().

const std::list<Handle>& synfig::Canvas::children ( ) const

inline

Returns a list of all child canvases in this canvas.

void Canvas::set_time ( Time t ) const

Gets the color at the specified point.

Sets the time for all the layers in the canvas

References get_independent_context(), get_time(), synfig::info(), is_root(), and synfig::IndependentContext::set_time().

Time synfig::Canvas::get_time ( ) const

inline

Returns the current time of the Canvas.

Referenced by set_time().

int Canvas::size ( ) const

Returns the number of layers in the canvas.

Referenced by clone(), and empty().

void Canvas::clear ( )

Removes all the layers from the canvas.

References synfig::Node::changed(), empty(), erase(), and push_back().

Referenced by Canvas(), and ~Canvas().

bool Canvas::empty ( ) const

Returns true if the canvas has no layers.

References size().

Referenced by add_value_node(), clear(), find_canvas(), find_value_node(), surefind_canvas(), and surefind_value_node().

const ValueNodeList & Canvas::value_node_list ( ) const

Returns a reference to the ValueNodeList for this Canvas.

Returns a reference to the ValueNodeList for this Canvas

References is_inline().

KeyframeList & Canvas::keyframe_list ( )

Returns a reference to the KeyframeList for this Canvas.

References is_inline().

const KeyframeList & Canvas::keyframe_list ( ) const

Returns a reference to the KeyframeList for this Canvas.

References is_inline().

ValueNode::Handle Canvas::find_value_node	(	const String &	id,
		bool	might_fail
	)

Finds the ValueNode in the Canvas with the given id.

Returns: If found, returns a handle to the ValueNode. Otherwise, returns an empty handle.

Referenced by remove_value_node().

ValueNode::Handle Canvas::surefind_value_node ( const String & id )

Todo:: This needs to be documented further.

References empty(), is_inline(), synfig::ValueNodeList::surefind(), and surefind_canvas().

ValueNode::ConstHandle Canvas::find_value_node	(	const String &	id,
		bool	might_fail
	)		const

Finds the ValueNode in the Canvas with the given id.

Returns: If found, returns a handle to the ValueNode. Otherwise, returns an empty handle.

References synfig::ValueNode::breakpoint(), empty(), synfig::ValueNodeList::find(), find_canvas(), and is_inline().

void Canvas::add_value_node	(	ValueNode::Handle	x,
		const String &	id
	)

Adds a Value node by its Id.

Throws an error if the Id is not ! correct or the Value node is already exported

References synfig::ValueNodeList::add(), empty(), synfig::error(), synfig::ValueNodeList::find(), and is_inline().

void Canvas::remove_value_node	(	ValueNode::Handle	x,
		bool	might_fail
	)

writeme

Removes a Value Node from the Canvas by its Handle

References synfig::ValueNode::breakpoint(), synfig::ValueNodeList::erase(), and is_inline().

void synfig::Canvas::remove_value_node	(	const String &	id,
		bool	might_fail
	)

inline

Removes a Value Node from the Canvas by its Id.

References find_value_node(), and remove_value_node().

Referenced by remove_value_node().

Canvas::Handle Canvas::surefind_canvas	(	const String &	id,
		String &	warnings
	)

Finds a child Canvas in the Canvas with the given name.

Returns: If found, returns a handle to the child Canvas. If not found, it creates a new Canvas and returns it If an error occurs, it returns an empty handle

Todo:: This needs a lot more optimization

References children(), empty(), get_file_name(), get_file_path(), get_identifier(), get_root(), is_inline(), new_child_canvas(), and synfig::open_canvas_as().

Referenced by surefind_value_node().

Canvas::Handle Canvas::find_canvas	(	const String &	id,
		String &	warnings
	)

Finds a child Canvas in the Canvas with the given id.

Returns: If found, returns a handle to the child Canvas. Otherwise, returns an empty handle.

Referenced by add_child_canvas(), find_canvas(), and find_value_node().

Canvas::ConstHandle Canvas::find_canvas	(	const String &	id,
		String &	warnings
	)		const

Finds a child Canvas in the Canvas with the given id.

Returns: If found, returns a handle to the child Canvas. Otherwise, returns an empty handle.

Todo:: This needs a lot more optimization

References children(), empty(), find_canvas(), get_file_path(), get_identifier(), get_root(), is_inline(), and synfig::open_canvas_as().

String Canvas::get_file_path ( ) const

Sets the file path for the Canvas.

Returns the file path from the file name

References parent().

Referenced by find_canvas(), register_external_canvas(), and surefind_canvas().

void Canvas::set_file_name ( const String & file_name_orig )

Sets the filename (with path)

References synfig::FileSystem::fix_slashes(), synfig::get_open_canvas_map(), parent(), and synfig::CanvasParser::register_canvas_in_map().

String Canvas::get_file_name ( ) const

Gets the filename (with path)

References parent().

Referenced by _canvas_file_name_changed(), _get_relative_id(), _remove_from_open_canvas_map(), clone(), and surefind_canvas().

void Canvas::set_identifier ( const FileSystem::Identifier & identifier )

Sets the file identifier.

const FileSystem::Identifier & Canvas::get_identifier ( ) const

Gets the file identifier.

References parent().

Referenced by find_canvas(), and surefind_canvas().

Canvas::Handle Canvas::new_child_canvas ( )

Creates a new child canvas, and returns its handle.

References back(), children(), create(), is_inline(), and rend_desc().

Referenced by surefind_canvas().

Canvas::Handle Canvas::new_child_canvas ( const String & id )

Creates a new child canvas with an ID of id, and returns its handle.

References back(), children(), create(), is_inline(), and rend_desc().

Canvas::Handle Canvas::add_child_canvas	(	Canvas::Handle	child_canvas,
		const String &	id
	)

Adds the given canvas as a child.

References children(), find_canvas(), is_inline(), and valid_id().

void Canvas::remove_child_canvas ( Canvas::Handle child_canvas )

Remove Child Canvas by its handle. If Current canvas is a child of a parent it ask to the parent to remove the Child canvas.

References children(), end(), and is_inline().

etl::handle< Layer > Canvas::find_layer	(	const ContextParams &	context_params,
		const Point &	pos
	)

Finds a Layer by its position.

See Also: get_context()

References get_context(), and synfig::Context::hit_check().

int Canvas::get_depth ( etl::handle< Layer > layer ) const

Gets the depth of a particular Layer by its handle.

References end().

IndependentContext Canvas::get_independent_context ( ) const

Retireves the first layer of the double queue of Layers.

Referenced by get_context(), set_grow_value(), and set_time().

Context Canvas::get_context ( const ContextParams & params ) const

Retireves the first layer of the double queue of Layers assigned with rendering parameters.

References get_independent_context().

Referenced by find_layer(), and get_context().

Context Canvas::get_context ( const Context & parent_context ) const

Retireves the first layer of the double queue of Layers assigned with rendering parameters.

References get_context(), and synfig::Context::get_params().

Canvas::iterator Canvas::end ( )

Returns the last Canvas layer queue iterator. Notice that it.

overrides the std::end() member that would return an interator just past the last element of the queue.

Referenced by back(), clone(), end(), get_depth(), get_times_vfunc(), push_back(), push_back_simple(), and remove_child_canvas().

Canvas::const_iterator Canvas::end ( ) const

Returns the last Canvas layer queue const_iterator. Notice that it.

overrides the std::end() member that would return an interator just past the last element of the queue.

References end().

Canvas::reverse_iterator Canvas::rbegin ( )

Returns the last Canvas layer queue reverse iterator. Notice that it.

overrides the std::rbegin() member that would return an interator just past the last element of the queue.

Referenced by rbegin().

Canvas::const_reverse_iterator Canvas::rbegin ( ) const

Returns the last Canvas layer queue reverse const iterator. Notice that it.

overrides the std::rbegin() member that would return an interator just past the last element of the queue.

References rbegin().

Layer::Handle & Canvas::back ( )

Returns last layer in Canvas layer stack.

References end().

Referenced by new_child_canvas().

const Layer::Handle & Canvas::back ( ) const

Returns last layer in Canvas layer stack.

References end().

void Canvas::push_back ( etl::handle< Layer > x )

Inserts a layer just before the last layer.

See Also: end(), insert(iterator iter,etl::handle<Layer> x)

References end(), and insert().

Referenced by clear().

void Canvas::push_front ( etl::handle< Layer > x )

Inserts a layer just at the beggining of the Canvas layer dqueue.

References insert().

void Canvas::push_back_simple ( etl::handle< Layer > x )

Inserts a layer in the last position of the Canvas layer dqueue Uses the standard methods and doesn't perform any parentship or signal update

References synfig::Node::changed(), end(), and insert().

void Canvas::insert	(	iterator	iter,
		etl::handle< Layer >	x
	)

Inserts a layer before the given position by and performs the proper child parent relationships and signals update

References synfig::Node::add_child(), and synfig::Node::changed().

Referenced by push_back(), push_back_simple(), and push_front().

void Canvas::erase ( iterator iter )

Removes a layer from the Canvas layer dqueue and its group and parent relatioship. Although it is not already used, it clears the connections see connections_

References synfig::Node::changed(), and synfig::Node::remove_child().

Referenced by clear().

void Canvas::set_inline ( LooseHandle parent )

Sets to be a inline canvas of a given Canvas . The inline Canvas inherits the groups and the render description.