#include <duckmatic.h>

Inheritance diagram for studio::Duckmatic:

Classes
struct	Bezier
class	Push
struct	Stroke

Public Types
typedef std::map< synfig::GUID, etl::smart_ptr< synfig::Point > >	DuckDataMap
typedef studio::DuckMap	DuckMap
typedef studio::Duck	Duck
typedef Duck::Type	Type
typedef std::list< float >	GuideList

Public Member Functions
	Duckmatic (etl::loose_handle< synfigapp::CanvasInterface > canvas_interface)
virtual	~Duckmatic ()
void	set_alternative_mode (bool x)
bool	get_alternative_mode () const
void	set_lock_animation_mode (bool x)
bool	get_lock_animation_mode () const
sigc::signal< void > &	signal_duck_selection_changed ()
sigc::signal< void > &	signal_strokes_changed ()
sigc::signal< void > &	signal_grid_changed ()
sigc::signal< void > &	signal_sketch_saved ()
GuideList &	get_guide_list_x ()
GuideList &	get_guide_list_y ()
const GuideList &	get_guide_list_x () const
const GuideList &	get_guide_list_y () const
void	set_guide_snap (bool x=true)
bool	get_guide_snap () const
void	toggle_guide_snap ()
void	set_guides_color (const synfig::Color &c)
	Sets the color of the guides.
const synfig::Color &	get_guides_color () const
	Returns the color of the guides.
void	set_grid_snap (bool x=true)
	Sets the state of the grid snap flag.
bool	get_grid_snap () const
	Gets the state of the grid snap flag.
void	enable_grid_snap ()
void	disable_grid_snap ()
void	toggle_grid_snap ()
synfig::Point	snap_point_to_grid (const synfig::Point &x) const
bool	get_show_persistent_strokes () const
void	set_show_persistent_strokes (bool x)
void	set_grid_size (const synfig::Vector &s)
	Sets the size of the grid.
void	set_grid_color (const synfig::Color &c)
	Sets the color of the grid.
const synfig::Vector &	get_grid_size () const
	Returns the size of the grid.
const synfig::Color &	get_grid_color () const
	Returns the color of the grid.
const synfig::Time &	get_time () const
bool	get_axis_lock () const
void	set_axis_lock (bool x)
void	set_time (synfig::Time x)
bool	is_duck_group_selectable (const etl::handle< Duck > &x) const
DuckList	get_duck_list () const
const std::list< etl::handle < Bezier > > &	bezier_list () const
const std::list< etl::handle < Stroke > > &	stroke_list () const
const std::list< etl::handle < Stroke > > &	persistent_stroke_list () const
std::list< etl::handle< Stroke > > &	persistent_stroke_list ()
etl::handle< Duck >	get_selected_duck () const
	Return first selected duck (handle) has const Duck etl::handle.
DuckList	get_selected_ducks () const
	Return list of selected ducks (handles)
DuckList	get_ducks_in_box (const synfig::Vector &tl, const synfig::Vector &br) const
	Return list of box contained ducks (handles). The box is defined by a vector's pair.
void	refresh_selected_ducks ()
void	clear_selected_ducks ()
	Clear all selected ducks.
int	count_selected_ducks () const
	Return the number of selected ducks.
bool	duck_is_selected (const etl::handle< Duck > &duck) const
	Give the selection status of a duck.
void	toggle_select_duck (const etl::handle< Duck > &duck)
	Toggle the duck (handle)
void	select_duck (const etl::handle< Duck > &duck)
	Select the duck (handle)
void	unselect_duck (const etl::handle< Duck > &duck)
	Unselect the duck (handle)
void	toggle_select_ducks_in_box (const synfig::Vector &tl, const synfig::Vector &br)
	Toggle the ducks (handles) contained in the box defined by a pair of vectors.
void	select_ducks_in_box (const synfig::Vector &tl, const synfig::Vector &br)
	Select the ducks (handles) contained in the box defined by a pair of vectors.
const synfig::TransformStack &	get_curr_transform_stack () const
void	clear_curr_transform_stack ()
etl::handle< Bezier >	get_selected_bezier () const
void	start_duck_drag (const synfig::Vector &offset)
	Begin dragging ducks.
void	translate_selected_ducks (const synfig::Vector &vector)
	Continue dragging the selected ducks.
void	update_ducks ()
	Update the coordinates of tangents and linked-to-bline ducks.
bool	end_duck_drag ()
	Ends the duck drag.
void	start_bezier_drag (const synfig::Vector &offset, float bezier_click_pos)
void	translate_selected_bezier (const synfig::Vector &vector)
bool	end_bezier_drag ()
void	signal_user_click_selected_ducks (int button)
	Signals to each selected duck that it has been clicked.
void	signal_edited_duck (const etl::handle< Duck > &duck, bool moving=false)
	Calls a single duck's edited signal.
void	signal_edited_selected_ducks (bool moving=false)
	Calls all of the ducks' edited signals.
bool	on_duck_changed (const studio::Duck &duck, const synfigapp::ValueDesc &value_desc)
etl::handle< Duck >	find_similar_duck (etl::handle< Duck > duck)
etl::handle< Duck >	add_similar_duck (etl::handle< Duck > duck)
void	add_stroke (etl::smart_ptr< std::list< synfig::Point > > stroke_point_list, const synfig::Color &color=synfig::Color(0, 0, 0))
void	add_persistent_stroke (etl::smart_ptr< std::list< synfig::Point > > stroke_point_list, const synfig::Color &color=synfig::Color(0, 0, 0))
void	clear_persistent_strokes ()
void	add_duck (const etl::handle< Duck > &duck)
void	add_bezier (const etl::handle< Bezier > &bezier)
void	erase_duck (const etl::handle< Duck > &duck)
void	erase_bezier (const etl::handle< Bezier > &bezier)
etl::handle< Duck >	last_duck () const
	Returns the last duck added.
etl::handle< Bezier >	last_bezier () const
etl::handle< Duck >	find_duck (synfig::Point pos, synfig::Real radius=0, Duck::Type type=Duck::TYPE_DEFAULT)
GuideList::iterator	find_guide_x (synfig::Point pos, float radius=0.1)
GuideList::iterator	find_guide_y (synfig::Point pos, float radius=0.1)
GuideList::const_iterator	find_guide_x (synfig::Point pos, float radius=0.1) const
GuideList::const_iterator	find_guide_y (synfig::Point pos, float radius=0.1) const
etl::handle< Bezier >	find_bezier (synfig::Point pos, synfig::Real radius=0, float *location=0)
etl::handle< Bezier >	find_bezier (synfig::Point pos, synfig::Real scale, synfig::Real radius, float *location=0)
void	add_ducks_layers (synfig::Canvas::Handle canvas, std::set< synfig::Layer::Handle > &selected_layer_set, etl::handle< CanvasView > canvas_view, synfig::TransformStack &transform_stack)
bool	add_to_ducks (const synfigapp::ValueDesc &value_desc, etl::handle< CanvasView > canvas_view, const synfig::TransformStack &transform_stack_, synfig::ParamDesc *param_desc=0)
void	set_type_mask (Type x)
	Set the type mask, which determines what types of ducks are shown.
Type	get_type_mask () const
	Get the type mask, which determines what types of ducks are shown.
void	select_all_ducks ()
void	unselect_all_ducks ()
void	clear_ducks ()
bool	save_sketch (const synfig::String &filename) const
bool	load_sketch (const synfig::String &filename)
const synfig::String &	get_sketch_filename () const
void	set_duck_dragger (etl::handle< DuckDrag_Base > x)
etl::handle< DuckDrag_Base >	get_duck_dragger () const
void	clear_duck_dragger ()
void	set_bezier_dragger (etl::handle< BezierDrag_Base > x)
etl::handle< BezierDrag_Base >	get_bezier_dragger () const
void	clear_bezier_dragger ()

Protected Attributes
etl::handle< Bezier >	selected_bezier
synfig::Time	cur_time
bool	grid_snap
	This flag is set if operations should snap to the grid.
bool	guide_snap
synfig::Vector	grid_size
	This vector describes the grid size.
synfig::Color	grid_color
	Hold the grid color.
synfig::Color	guides_color
	Hold the guides color.
float	zoom
	Zoom factor.
float	prev_zoom
	Previous Zoom factor.
bool	show_persistent_strokes
bool	axis_lock

Friends
class	DuckDrag_Base
class	DuckDrag_Translate
class	Push

Detailed Description

This class helps organize any of the devices displayed in the work area that the user may want to interact with. This includes ducks, beziers, and strokes

Member Typedef Documentation

typedef std::map<synfig::GUID,etl::smart_ptr<synfig::Point> > studio::Duckmatic::DuckDataMap

typedef studio::DuckMap studio::Duckmatic::DuckMap

typedef studio::Duck studio::Duckmatic::Duck

typedef Duck::Type studio::Duckmatic::Type

typedef std::list<float> studio::Duckmatic::GuideList

Constructor & Destructor Documentation

Duckmatic::Duckmatic ( etl::loose_handle< synfigapp::CanvasInterface > canvas_interface )

References clear_bezier_dragger(), and clear_duck_dragger().

Duckmatic::~Duckmatic ( )

virtual

References clear_ducks().

Member Function Documentation

void studio::Duckmatic::set_alternative_mode ( bool x )

inline

bool studio::Duckmatic::get_alternative_mode ( ) const

inline

Referenced by on_duck_changed().

void studio::Duckmatic::set_lock_animation_mode ( bool x )

inline

bool studio::Duckmatic::get_lock_animation_mode ( ) const

inline

Referenced by on_duck_changed().

sigc::signal<void>& studio::Duckmatic::signal_duck_selection_changed ( )

inline

Referenced by studio::WorkArea::WorkArea().

sigc::signal<void>& studio::Duckmatic::signal_strokes_changed ( )

inline

Referenced by studio::WorkArea::WorkArea().

sigc::signal<void>& studio::Duckmatic::signal_grid_changed ( )

inline

Referenced by set_grid_color(), set_grid_size(), set_grid_snap(), set_guide_snap(), set_guides_color(), and studio::WorkArea::WorkArea().

sigc::signal<void>& studio::Duckmatic::signal_sketch_saved ( )

inline

Referenced by studio::WorkArea::WorkArea().

GuideList& studio::Duckmatic::get_guide_list_x ( )

inline

Referenced by studio::WorkArea::load_meta_data(), and studio::WorkArea::save_meta_data().

GuideList& studio::Duckmatic::get_guide_list_y ( )

inline

Referenced by studio::WorkArea::load_meta_data(), and studio::WorkArea::save_meta_data().

const GuideList& studio::Duckmatic::get_guide_list_x ( ) const

inline

const GuideList& studio::Duckmatic::get_guide_list_y ( ) const

inline

void Duckmatic::set_guide_snap ( bool x = true )

References guide_snap, and signal_grid_changed().

Referenced by studio::WorkArea::load_meta_data(), and toggle_guide_snap().

bool studio::Duckmatic::get_guide_snap ( ) const

inline

References guide_snap.

Referenced by studio::WorkArea::save_meta_data(), and toggle_guide_snap().

void studio::Duckmatic::toggle_guide_snap ( )

inline

Reimplemented in studio::WorkArea.

References get_guide_snap(), and set_guide_snap().

void Duckmatic::set_guides_color ( const synfig::Color & c )

Sets the color of the guides.

Reimplemented in studio::WorkArea.

References guides_color, and signal_grid_changed().

const synfig::Color& studio::Duckmatic::get_guides_color ( ) const

inline

Returns the color of the guides.

Reimplemented in studio::WorkArea.

References guides_color.

void Duckmatic::set_grid_snap ( bool x = true )

Sets the state of the grid snap flag.

References grid_snap, and signal_grid_changed().

Referenced by disable_grid_snap(), enable_grid_snap(), studio::WorkArea::load_meta_data(), and toggle_grid_snap().

bool studio::Duckmatic::get_grid_snap ( ) const

inline

Gets the state of the grid snap flag.

References grid_snap.

Referenced by studio::WorkArea::save_meta_data(), and snap_point_to_grid().

void studio::Duckmatic::enable_grid_snap ( )

inline

References set_grid_snap().

void studio::Duckmatic::disable_grid_snap ( )

inline

References set_grid_snap().

void studio::Duckmatic::toggle_grid_snap ( )

inline

Reimplemented in studio::WorkArea.

References grid_snap, and set_grid_snap().

Point Duckmatic::snap_point_to_grid ( const synfig::Point & x ) const

References axis_lock, find_guide_x(), find_guide_y(), get_grid_size(), get_grid_snap(), guide_snap, and zoom.

Referenced by studio::BezierDrag_Default::bezier_drag(), and studio::DuckDrag_Translate::duck_drag().

bool studio::Duckmatic::get_show_persistent_strokes ( ) const

inline

References show_persistent_strokes.

void Duckmatic::set_show_persistent_strokes ( bool x )

References show_persistent_strokes.

void Duckmatic::set_grid_size ( const synfig::Vector & s )

Sets the size of the grid.

Reimplemented in studio::WorkArea.

References grid_size, and signal_grid_changed().

void Duckmatic::set_grid_color ( const synfig::Color & c )

Sets the color of the grid.

Reimplemented in studio::WorkArea.

References grid_color, and signal_grid_changed().

const synfig::Vector& studio::Duckmatic::get_grid_size ( ) const

inline

Returns the size of the grid.

References grid_size.

Referenced by studio::WorkArea::load_meta_data(), studio::WorkArea::refresh_dimension_info(), studio::WorkArea::save_meta_data(), and snap_point_to_grid().

const synfig::Color& studio::Duckmatic::get_grid_color ( ) const

inline

Returns the color of the grid.

Reimplemented in studio::WorkArea.

References grid_color.

const synfig::Time& studio::Duckmatic::get_time ( ) const

inline

References cur_time.

Referenced by add_to_ducks(), studio::WorkArea::async_render_preview(), studio::BezierDrag_Default::bezier_drag(), studio::DuckDrag_Translate::duck_drag(), on_duck_changed(), studio::WorkArea::sync_render_preview(), studio::WorkArea::sync_render_preview_hook(), and update_ducks().

bool studio::Duckmatic::get_axis_lock ( ) const

inline

References axis_lock.

void studio::Duckmatic::set_axis_lock ( bool x )

inline

References axis_lock.

void studio::Duckmatic::set_time ( synfig::Time x )

inline

References cur_time.

bool Duckmatic::is_duck_group_selectable ( const etl::handle< Duck > & x ) const

References get_type_mask(), and studio::Duck::TYPE_POSITION.

Referenced by select_all_ducks(), select_ducks_in_box(), and toggle_select_ducks_in_box().

DuckList Duckmatic::get_duck_list ( ) const

References studio::Duck::TYPE_POSITION, studio::Duck::TYPE_TANGENT, and studio::Duck::TYPE_VERTEX.

Referenced by update_ducks().

const std::list<etl::handle<Bezier> >& studio::Duckmatic::bezier_list ( ) const

inline

Referenced by find_bezier().

const std::list<etl::handle<Stroke> >& studio::Duckmatic::stroke_list ( ) const

inline

const std::list<etl::handle<Stroke> >& studio::Duckmatic::persistent_stroke_list ( ) const

inline

std::list<etl::handle<Stroke> >& studio::Duckmatic::persistent_stroke_list ( )

inline

etl::handle< Duckmatic::Duck > Duckmatic::get_selected_duck ( ) const

Return first selected duck (handle) has const Duck etl::handle.

DuckList Duckmatic::get_selected_ducks ( ) const

Return list of selected ducks (handles)

Returns: ducks (handles) has const DuckList

See Also: get_selected_duck, clear_selected_ducks, count_selected_ducks

References get_type_mask().

Referenced by studio::DuckDrag_Translate::begin_duck_drag(), studio::DuckDrag_Translate::duck_drag(), signal_edited_selected_ducks(), signal_user_click_selected_ducks(), and update_ducks().

DuckList Duckmatic::get_ducks_in_box	(	const synfig::Vector &	tl,
		const synfig::Vector &	br
	)		const

Return list of box contained ducks (handles). The box is defined by a vector's pair.

Parameters

tl	The top left canvas coordinate has const synfig::Vector
br	The bottom right canvas coordinate has const synfig::Vector

Returns: ducks (handles) has const DuckList

See Also: toggle_select_ducks_in_box, select_ducks_in_box, find_duck

void Duckmatic::refresh_selected_ducks ( )

void Duckmatic::clear_selected_ducks ( )

Clear all selected ducks.

int Duckmatic::count_selected_ducks ( ) const

Return the number of selected ducks.

Returns: the number of selected ducks (handles) has int

bool Duckmatic::duck_is_selected ( const etl::handle< Duck > & duck ) const

Give the selection status of a duck.

Returns: true if the given duck (handle) is currently selected

Referenced by toggle_select_duck().

void Duckmatic::toggle_select_duck ( const etl::handle< Duck > & duck )

Toggle the duck (handle)

Parameters

duck	The duck (handle) to toggle has etl::handle parameter

References duck_is_selected(), select_duck(), and unselect_duck().

Referenced by toggle_select_ducks_in_box().

void Duckmatic::select_duck ( const etl::handle< Duck > & duck )

Select the duck (handle)

Parameters

duck	The duck (handle) to select has etl::handle parameter

Referenced by select_all_ducks(), select_ducks_in_box(), and toggle_select_duck().

void Duckmatic::unselect_duck ( const etl::handle< Duck > & duck )

Unselect the duck (handle)

Parameters

duck	The duck (handle) to unselect has etl::handle parameter

Referenced by select_all_ducks(), toggle_select_duck(), and unselect_all_ducks().

void Duckmatic::toggle_select_ducks_in_box	(	const synfig::Vector &	tl,
		const synfig::Vector &	br
	)

Toggle the ducks (handles) contained in the box defined by a pair of vectors.

Parameters

tl	The top left canvas coordinate has const synfig::Vector
br	The bottom right canvas coordinate has const synfig::Vector

See Also: toggle_select_duck, select_ducks_in_box, get_ducks_in_box

References is_duck_group_selectable(), and toggle_select_duck().

void Duckmatic::select_ducks_in_box	(	const synfig::Vector &	tl,
		const synfig::Vector &	br
	)

Select the ducks (handles) contained in the box defined by a pair of vectors.

Parameters

tl	The top left canvas coordinate has const synfig::Vector
br	The bottom right canvas coordinate has const synfig::Vector

See Also: toggle_select_ducks_in_box, select_ducks_in_box, clear_selected_ducks

References is_duck_group_selectable(), and select_duck().

const synfig::TransformStack& studio::Duckmatic::get_curr_transform_stack ( ) const

inline

void studio::Duckmatic::clear_curr_transform_stack ( )

inline

etl::handle< Duckmatic::Bezier > Duckmatic::get_selected_bezier ( ) const

References selected_bezier.

Referenced by studio::BezierDrag_Default::begin_bezier_drag(), studio::BezierDrag_Default::bezier_drag(), studio::BezierDrag_Default::end_bezier_drag(), and update_ducks().

void Duckmatic::start_duck_drag ( const synfig::Vector & offset )

Begin dragging ducks.

Parameters

offset Canvas coordinates of the mouse when the drag began

References find_duck().

void Duckmatic::translate_selected_ducks ( const synfig::Vector & vector )

Continue dragging the selected ducks.

The overall vector of the drag is vector-offset (where offset was given in start_duck_drag)

Parameters

vector Canvas coordinates of the mouse at this moment

void Duckmatic::update_ducks ( )

Update the coordinates of tangents and linked-to-bline ducks.

References get_duck_list(), get_selected_bezier(), get_selected_ducks(), get_time(), studio::Duck::TYPE_POSITION, studio::Duck::TYPE_TANGENT, and studio::Duck::TYPE_VERTEX.

Referenced by studio::BezierDrag_Default::bezier_drag(), and studio::DuckDrag_Translate::duck_drag().

bool Duckmatic::end_duck_drag ( )

Ends the duck drag.

void Duckmatic::start_bezier_drag	(	const synfig::Vector &	offset,
		float	bezier_click_pos
	)

Todo:: writeme

void Duckmatic::translate_selected_bezier ( const synfig::Vector & vector )

bool Duckmatic::end_bezier_drag ( )

void Duckmatic::signal_user_click_selected_ducks ( int button )

Signals to each selected duck that it has been clicked.

References get_selected_ducks().

Referenced by studio::DuckDrag_Translate::end_duck_drag().

void Duckmatic::signal_edited_duck	(	const etl::handle< Duck > &	duck,
		bool	moving = `false`
	)

Calls a single duck's edited signal.

Updates the corresponding valuenodes after a drag

References studio::App::restrict_radius_ducks, and studio::Duck::TYPE_ANGLE.

Referenced by studio::BezierDrag_Default::bezier_drag(), studio::BezierDrag_Default::end_bezier_drag(), and signal_edited_selected_ducks().

void Duckmatic::signal_edited_selected_ducks ( bool moving = false )

Calls all of the ducks' edited signals.

Updates corresponding valuenodes after a drag

References get_selected_ducks(), and signal_edited_duck().

Referenced by studio::DuckDrag_Translate::duck_drag(), and studio::DuckDrag_Translate::end_duck_drag().

bool Duckmatic::on_duck_changed	(	const studio::Duck &	duck,
		const synfigapp::ValueDesc &	value_desc
	)

Referenced by add_to_ducks().

etl::handle< Duckmatic::Duck > Duckmatic::find_similar_duck ( etl::handle< Duck > duck )

Referenced by add_similar_duck().

etl::handle< Duckmatic::Duck > Duckmatic::add_similar_duck ( etl::handle< Duck > duck )

References add_duck(), and find_similar_duck().

Referenced by add_to_ducks().

void Duckmatic::add_stroke	(	etl::smart_ptr< std::list< synfig::Point > >	stroke_point_list,
		const synfig::Color &	color = `synfig::Color(0,0,0)`
	)

Referenced by add_persistent_stroke().

void Duckmatic::add_persistent_stroke	(	etl::smart_ptr< std::list< synfig::Point > >	stroke_point_list,
		const synfig::Color &	color = `synfig::Color(0,0,0)`
	)

References add_stroke().

Referenced by load_sketch().

void Duckmatic::clear_persistent_strokes ( )

void Duckmatic::add_duck ( const etl::handle< Duck > & duck )

References studio::DuckMap::insert().

Referenced by add_similar_duck(), and add_to_ducks().

void Duckmatic::add_bezier ( const etl::handle< Bezier > & bezier )

Referenced by add_to_ducks().

void Duckmatic::erase_duck ( const etl::handle< Duck > & duck )

void Duckmatic::erase_bezier ( const etl::handle< Bezier > & bezier )

etl::handle< Duckmatic::Duck > Duckmatic::last_duck ( ) const

Returns the last duck added.

Referenced by add_to_ducks().

etl::handle< Duckmatic::Bezier > Duckmatic::last_bezier ( ) const

Referenced by add_to_ducks().

etl::handle< Duckmatic::Duck > Duckmatic::find_duck	(	synfig::Point	pos,
		synfig::Real	radius = `0`,
		Duck::Type	type = `Duck::TYPE_DEFAULT`
	)

Note: parameter is in canvas coordinates

A radius of "zero" will have an unlimited radius

References get_type_mask(), studio::Duck::TYPE_DEFAULT, studio::Duck::TYPE_POSITION, studio::Duck::TYPE_RADIUS, studio::Duck::TYPE_TANGENT, studio::Duck::TYPE_WIDTH, and studio::Duck::TYPE_WIDTHPOINT_POSITION.

Referenced by studio::DuckDrag_Translate::begin_duck_drag(), and start_duck_drag().

Duckmatic::GuideList::iterator Duckmatic::find_guide_x	(	synfig::Point	pos,
		float	radius = `0.1`
	)

Referenced by snap_point_to_grid().

Duckmatic::GuideList::iterator Duckmatic::find_guide_y	(	synfig::Point	pos,
		float	radius = `0.1`
	)

Referenced by snap_point_to_grid().

GuideList::const_iterator studio::Duckmatic::find_guide_x	(	synfig::Point	pos,
		float	radius = `0.1`
	)		const

inline

References find_guide_x().

Referenced by find_guide_x().

GuideList::const_iterator studio::Duckmatic::find_guide_y	(	synfig::Point	pos,
		float	radius = `0.1`
	)		const

inline

References find_guide_y().

Referenced by find_guide_y().

etl::handle< Duckmatic::Bezier > Duckmatic::find_bezier	(	synfig::Point	pos,
		synfig::Real	radius = `0`,
		float *	location = `0`
	)

Note: parameter is in canvas coordinates

A radius of "zero" will have an unlimited radius

Note: parameter is in canvas coordinates

A radius of "zero" will have an unlimited radius

etl::handle< Duckmatic::Bezier > Duckmatic::find_bezier	(	synfig::Point	pos,
		synfig::Real	scale,
		synfig::Real	radius,
		float *	location = `0`
	)

References bezier_list().

void Duckmatic::add_ducks_layers	(	synfig::Canvas::Handle	canvas,
		std::set< synfig::Layer::Handle > &	selected_layer_set,
		etl::handle< CanvasView >	canvas_view,
		synfig::TransformStack &	transform_stack
	)

References add_to_ducks(), synfigapp::ValueDesc::get_value_node(), synfigapp::ValueDesc::is_value_node(), and QUEUE_REBUILD_DUCKS.

bool Duckmatic::add_to_ducks	(	const synfigapp::ValueDesc &	value_desc,
		etl::handle< CanvasView >	canvas_view,
		const synfig::TransformStack &	transform_stack_,
		synfig::ParamDesc *	param_desc = `0`
	)