Inkscape: Inkscape::LivePathEffect::LPEKnot Class Reference

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#include <lpe-knot.h>

Inheritance diagram for Inkscape::LivePathEffect::LPEKnot:

Public Member Functions
	LPEKnot (LivePathEffectObject *lpeobject)

	~LPEKnot () override

void	doBeforeEffect (SPLPEItem const *lpeitem) override
	Is performed each time before the effect is updated.

Geom::PathVector	doEffect_path (Geom::PathVector const &input_path) override

void	addKnotHolderEntities (KnotHolder knotholder, SPItem item) override

Public Member Functions inherited from Inkscape::LivePathEffect::Effect
virtual	~Effect ()

	Effect (const Effect &)=delete

Effect &	operator= (const Effect &)=delete

EffectType	effectType () const

void	doAfterEffect_impl (SPLPEItem const lpeitem, Geom::PathVector curve)

void	doOnApply_impl (SPLPEItem const *lpeitem)

void	doBeforeEffect_impl (SPLPEItem const *lpeitem)

void	doOnOpen_impl ()
	Is performed on document open allow things like fix legacy LPE in a undo insensitive way.

void	doOnRemove_impl (SPLPEItem const *lpeitem)

void	transform_multiply_impl (Geom::Affine const &postmul, SPLPEItem *)

void	doOnBeforeCommit ()

void	read_from_SVG ()

void	setCurrentZoom (double cZ)

void	setSelectedNodePoints (std::vector< Geom::Point > sNP)

bool	isNodePointSelected (Geom::Point const &nodePoint) const

bool	isOnClipboard ()
	The lpe is on clipboard.

std::vector< SPLPEItem * >	getCurrrentLPEItems () const

void	update_satellites ()

virtual void	doOnException (SPLPEItem const *lpeitem)

virtual void	doOnVisibilityToggled (SPLPEItem const *lpeitem)

virtual void	adjustForNewPath ()

void	writeParamsToSVG ()

std::vector< SPObject * >	effect_get_satellites (bool force=true)

virtual void	acceptParamPath (SPPath const *param_path)
	If the effect expects a path parameter (specified by a number of mouse clicks) before it is applied, this is the method that processes the resulting path.

int	acceptsNumClicks () const

SPShape *	getCurrentShape () const

void	setCurrentShape (SPShape *shape)

virtual void	processObjects (LPEAction lpe_action)

void	makeUndoDone (Glib::ustring message)

bool	isReady () const

void	setReady (bool ready=true)

virtual void	doEffect (Geom::PathVector &curve)

virtual Gtk::Widget *	newWidget ()
	This creates a managed widget.

virtual void	resetDefaults (SPItem const *item)
	Sets all parameters to their default values and writes them to SVG.

bool	providesKnotholder () const

virtual LPEPathFlashType	pathFlashType () const

void	addHandles (KnotHolder knotholder, SPItem item)
	Add all registered LPE knotholder handles to the knotholder.

std::vector< Geom::PathVector >	getCanvasIndicators (SPLPEItem const *lpeitem)
	Return a vector of PathVectors which contain all canvas indicators for this effect.

void	update_helperpath ()
	Call to a method on nodetool to update the helper path from the effect.

bool	providesOwnFlashPaths () const

bool	showOrigPath () const

Glib::ustring	getName () const

Inkscape::XML::Node *	getRepr ()

SPDocument *	getSPDoc ()

LivePathEffectObject *	getLPEObj ()

LivePathEffectObject const *	getLPEObj () const

Parameter *	getParameter (const char *key)

void	readallParameters (Inkscape::XML::Node const *repr)

void	setParameter (const gchar key, const gchar new_value)

bool	isVisible () const

void	editNextParamOncanvas (SPItem item, SPDesktop desktop)

void	setLPEAction (LPEAction lpe_action)

void	setDefaultParameters ()
	Set this LPE defaults.

void	resetDefaultParameters ()
	Reset this LPE defaults.

bool	hasDefaultParameters ()
	Get LPE has defaults.

virtual bool	getHolderRemove ()

Protected Member Functions
void	addCanvasIndicators (SPLPEItem const *lpeitem, std::vector< Geom::PathVector > &hp_vec) override
	Add possible canvas indicators (i.e., helperpaths other than the original path) to hp_vec This function should be overwritten by derived effects if they want to provide their own helperpaths.

Protected Member Functions inherited from Inkscape::LivePathEffect::Effect
	Effect (LivePathEffectObject *lpeobject)

virtual Geom::Piecewise< Geom::D2< Geom::SBasis > >	doEffect_pwd2 (Geom::Piecewise< Geom::D2< Geom::SBasis > > const &pwd2_in)

void	registerParameter (Parameter *param)

Parameter *	getNextOncanvasEditableParam ()

Protected Attributes
Geom::PathVector	supplied_path

Protected Attributes inherited from Inkscape::LivePathEffect::Effect
bool	_adjust_path = false

bool	_provides_knotholder_entities

bool	_provides_path_adjustment = false

LPEAction	_lpe_action = LPE_NONE

int	oncanvasedit_it

bool	show_orig_path

bool	concatenate_before_pwd2

double	current_zoom

std::vector< Geom::Point >	selectedNodesPoints

Inkscape::UI::Widget::Registry	wr

Private Member Functions
void	updateSwitcher ()

	LPEKnot (const LPEKnot &)=delete

LPEKnot &	operator= (const LPEKnot &)=delete

Private Member Functions inherited from Inkscape::LivePathEffect::GroupBBoxEffect
Geom::OptRect	clip_mask_bbox (SPLPEItem *item, Geom::Affine transform)
	Updates the `boundingbox_X` and `boundingbox_Y` values from the geometric bounding box of `lpeitem`.

void	original_bbox (SPLPEItem const *lpeitem, bool absolute=false, bool clip_mask=false, Geom::Affine base_transform=Geom::identity())

Private Attributes
ScalarParam	interruption_width

BoolParam	prop_to_stroke_width

BoolParam	both

BoolParam	inverse_width

HiddenParam	add_stroke_width

HiddenParam	add_other_stroke_width

ScalarParam	switcher_size

ArrayParam< double >	crossing_points_vector

LPEKnotNS::CrossingPoints	crossing_points

Geom::PathVector	gpaths

std::vector< double >	gstroke_widths

unsigned	selectedCrossing

Geom::Point	switcher

Private Attributes inherited from Inkscape::LivePathEffect::GroupBBoxEffect
Geom::Interval	boundingbox_X

Geom::Interval	boundingbox_Y

Friends
class	KnotHolderEntityCrossingSwitcher

Additional Inherited Members
Static Public Member Functions inherited from Inkscape::LivePathEffect::Effect
static Effect *	New (EffectType lpenr, LivePathEffectObject *lpeobj)

static void	createAndApply (const char name, SPDocument doc, SPItem *item)

static void	createAndApply (EffectType type, SPDocument doc, SPItem item)

static int	acceptsNumClicks (EffectType type)

Public Attributes inherited from Inkscape::LivePathEffect::Effect
bool	has_exception

bool	apply_to_clippath_and_mask

bool	keep_paths

bool	is_load

bool	is_applied

bool	on_remove_all

bool	refresh_widgets

bool	finishiddle = false

bool	satellitestoclipboard = false

bool	helperLineSatellites = false

gint	spinbutton_width_chars = 7

BoolParam	is_visible

HiddenParam	lpeversion

Geom::PathVector	pathvector_before_effect

Geom::PathVector	pathvector_after_effect

SPLPEItem *	sp_lpe_item = nullptr

SPShape *	current_shape

std::vector< Parameter * >	param_vector

Detailed Description

Definition at line 58 of file lpe-knot.h.

Constructor & Destructor Documentation

◆ LPEKnot() [1/2]

Inkscape::LivePathEffect::LPEKnot::LPEKnot ( LivePathEffectObject * lpeobject )

Definition at line 345 of file lpe-knot.cpp.

References Inkscape::LivePathEffect::Effect::_provides_knotholder_entities, add_other_stroke_width, add_stroke_width, both, crossing_points_vector, interruption_width, inverse_width, prop_to_stroke_width, Inkscape::LivePathEffect::Effect::registerParameter(), and switcher_size.

◆ ~LPEKnot()

Inkscape::LivePathEffect::LPEKnot::~LPEKnot ( )

overridedefault

◆ LPEKnot() [2/2]

Inkscape::LivePathEffect::LPEKnot::LPEKnot ( const LPEKnot & )

privatedelete

Member Function Documentation

◆ addCanvasIndicators()

void Inkscape::LivePathEffect::LPEKnot::addCanvasIndicators	(	SPLPEItem const *	lpeitem,
		std::vector< Geom::PathVector > &	hp_vec
	)

overrideprotectedvirtual

Add possible canvas indicators (i.e., helperpaths other than the original path) to hp_vec This function should be overwritten by derived effects if they want to provide their own helperpaths.

Reimplemented from Inkscape::LivePathEffect::Effect.

Definition at line 632 of file lpe-knot.cpp.

References crossing_points, selectedCrossing, Geom::sign(), sp_svg_read_pathv(), switcher, and switcher_size.