#include <Node.h>

Inheritance diagram for Node:

[legend]

Public Slots
bool	addChildNode (Node child, Node above)

bool	alphaLocked () const

bool	animated () const

QString	blendingMode () const

QRect	bounds () const

QList< Channel * >	channels () const

QList< Node * >	childNodes () const

Node *	clone () const

bool	collapsed () const

QString	colorDepth () const

int	colorLabel () const

QString	colorModel () const

QString	colorProfile () const

void	cropNode (int x, int y, int w, int h)

Node *	duplicate ()

void	enableAnimation () const

QList< Node * >	findChildNodes (const QString &name=QString(), bool recursive=false, bool partialMatch=false, const QString &type=QString(), int colorLabelIndex=0) const

bool	hasExtents ()

bool	hasKeyframeAtTime (int frameNumber)

QIcon	icon () const

int	index () const

bool	inheritAlpha () const

bool	isPinnedToTimeline () const

QString	layerStyleToAsl ()

bool	locked () const

Node *	mergeDown ()

void	move (int x, int y)

QString	name () const

int	opacity () const

QString	paintAbility ()

void	paintEllipse (const QRectF &rect, const QString strokeStyle=PaintingResources::defaultStrokeStyle, const QString fillStyle=PaintingResources::defaultFillStyle)

void	paintLine (const QPointF pointOne, const QPointF pointTwo, double pressureOne=1.0, double pressureTwo=1.0, const QString strokeStyle=PaintingResources::defaultStrokeStyle)

void	paintPath (const QPainterPath &path, const QString strokeStyle=PaintingResources::defaultStrokeStyle, const QString fillStyle=PaintingResources::defaultFillStyle)

void	paintPolygon (const QList< QPointF > points, const QString strokeStyle=PaintingResources::defaultStrokeStyle, const QString fillStyle=PaintingResources::defaultFillStyle)

void	paintRectangle (const QRectF &rect, const QString strokeStyle=PaintingResources::defaultStrokeStyle, const QString fillStyle=PaintingResources::defaultFillStyle)

Node *	parentNode () const

QByteArray	pixelData (int x, int y, int w, int h) const

QByteArray	pixelDataAtTime (int x, int y, int w, int h, int time) const

QPoint	position () const

QByteArray	projectionPixelData (int x, int y, int w, int h) const

bool	remove ()

bool	removeChildNode (Node *child)

void	rotateNode (double radians)

bool	save (const QString &filename, double xRes, double yRes, const InfoObject &exportConfiguration, const QRect &exportRect=QRect())

void	scaleNode (QPointF origin, int width, int height, QString strategy)

void	setAlphaLocked (bool value)

void	setBlendingMode (QString value)

void	setChildNodes (QList< Node * > nodes)

void	setCollapsed (bool collapsed)

void	setColorLabel (int index)

bool	setColorProfile (const QString &colorProfile)

bool	setColorSpace (const QString &colorModel, const QString &colorDepth, const QString &colorProfile)

void	setInheritAlpha (bool value)

bool	setLayerStyleFromAsl (const QString &asl)

void	setLocked (bool value)

void	setName (QString name)

void	setOpacity (int value)

void	setPinnedToTimeline (bool pinned) const

bool	setPixelData (QByteArray value, int x, int y, int w, int h)

void	setVisible (bool visible)

void	shearNode (double angleX, double angleY)

QImage	thumbnail (int w, int h)

virtual QString	type () const

QUuid	uniqueId () const

bool	visible () const

Public Member Functions
bool	operator!= (const Node &other) const

bool	operator== (const Node &other) const

Public Member Functions inherited from QObject
	QObject (QObject *parent)

QBindable< QString >	bindableObjectName ()

bool	blockSignals (bool block)

const QObjectList &	children () const const

QMetaObject::Connection	connect (const QObject sender, const char signal, const char *method, Qt::ConnectionType type) const const

void	deleteLater ()

void	destroyed (QObject *obj)

bool	disconnect (const char signal, const QObject receiver, const char *method) const const

bool	disconnect (const QObject receiver, const char method) const const

void	dumpObjectInfo () const const

void	dumpObjectTree () const const

QList< QByteArray >	dynamicPropertyNames () const const

virtual bool	event (QEvent *e)

virtual bool	eventFilter (QObject watched, QEvent event)

T	findChild (const QString &name, Qt::FindChildOptions options) const const

QList< T >	findChildren (const QRegularExpression &re, Qt::FindChildOptions options) const const

QList< T >	findChildren (const QString &name, Qt::FindChildOptions options) const const

QList< T >	findChildren (Qt::FindChildOptions options) const const

bool	inherits (const char *className) const const

void	installEventFilter (QObject *filterObj)

bool	isQuickItemType () const const

bool	isWidgetType () const const

bool	isWindowType () const const

void	killTimer (int id)

virtual const QMetaObject *	metaObject () const const

void	moveToThread (QThread *targetThread)

QString	objectName () const const

void	objectNameChanged (const QString &objectName)

QObject *	parent () const const

QVariant	property (const char *name) const const

	Q_CLASSINFO (Name, Value)

	Q_EMIT Q_EMIT

	Q_ENUM (...)

	Q_ENUM_NS (...)

	Q_ENUMS (...)

	Q_FLAG (...)

	Q_FLAG_NS (...)

	Q_FLAGS (...)

	Q_GADGET Q_GADGET

	Q_GADGET_EXPORT (EXPORT_MACRO)

	Q_INTERFACES (...)

	Q_INVOKABLE Q_INVOKABLE

	Q_MOC_INCLUDE Q_MOC_INCLUDE

	Q_NAMESPACE Q_NAMESPACE

	Q_NAMESPACE_EXPORT (EXPORT_MACRO)

	Q_OBJECT Q_OBJECT

	Q_PROPERTY (...)

	Q_REVISION Q_REVISION

	Q_SET_OBJECT_NAME (Object)

	Q_SIGNAL Q_SIGNAL

	Q_SIGNALS Q_SIGNALS

	Q_SLOT Q_SLOT

	Q_SLOTS Q_SLOTS

T	qobject_cast (const QObject *object)

T	qobject_cast (QObject *object)

	QT_NO_NARROWING_CONVERSIONS_IN_CONNECT QT_NO_NARROWING_CONVERSIONS_IN_CONNECT

void	removeEventFilter (QObject *obj)

void	setObjectName (const QString &name)

void	setObjectName (QAnyStringView name)

void	setParent (QObject *parent)

bool	setProperty (const char *name, const QVariant &value)

bool	setProperty (const char *name, QVariant &&value)

bool	signalsBlocked () const const

int	startTimer (int interval, Qt::TimerType timerType)

int	startTimer (std::chrono::milliseconds interval, Qt::TimerType timerType)

QThread *	thread () const const

Static Public Member Functions
static Node *	createNode (KisImageSP image, KisNodeSP node, QObject *parent=0)

Static Public Member Functions inherited from QObject
QMetaObject::Connection	connect (const QObject sender, const char signal, const QObject receiver, const char method, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject sender, PointerToMemberFunction signal, const QObject context, Functor functor, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject sender, PointerToMemberFunction signal, const QObject receiver, PointerToMemberFunction method, Qt::ConnectionType type)

QMetaObject::Connection	connect (const QObject *sender, PointerToMemberFunction signal, Functor functor)

bool	disconnect (const QMetaObject::Connection &connection)

bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char method)

bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method)

bool	disconnect (const QObject sender, PointerToMemberFunction signal, const QObject receiver, PointerToMemberFunction method)

QString	tr (const char sourceText, const char disambiguation, int n)

Additional Inherited Members
Public Types inherited from QObject
typedef	QObjectList

Properties inherited from QObject
	objectName

Protected Member Functions inherited from QObject
virtual void	childEvent (QChildEvent *event)

virtual void	connectNotify (const QMetaMethod &signal)

virtual void	customEvent (QEvent *event)

virtual void	disconnectNotify (const QMetaMethod &signal)

bool	isSignalConnected (const QMetaMethod &signal) const const

int	receivers (const char *signal) const const

QObject *	sender () const const

int	senderSignalIndex () const const

virtual void	timerEvent (QTimerEvent *event)

Detailed Description

Node represents a layer or mask in a Krita image's Node hierarchy.

Group layers can contain other layers and masks; layers can contain masks.

Definition at line 23 of file Node.h.

Constructor & Destructor Documentation

◆ ~Node()

Node::~Node ( )

override

Definition at line 134 of file Node.cpp.

Member Function Documentation

◆ addChildNode

bool Node::addChildNode	(	Node *	child,
		Node *	above )

slot

addChildNode adds the given node in the list of children.

Parameters

child	the node to be added
above	the node above which this node will be placed

Returns: false if adding the node failed

Definition at line 265 of file Node.cpp.

◆ alphaLocked

bool Node::alphaLocked ( ) const

slot

alphaLocked checks whether the node is a paint layer and returns whether it is alpha locked

Returns: whether the paint layer is alpha locked, or false if the node is not a paint layer

Definition at line 158 of file Node.cpp.

◆ animated

bool Node::animated ( ) const

slot

Krita layers can be animated, i.e., have frames.

Returns: return true if the layer has frames. Currently, the scripting framework does not give access to the animation features.

Definition at line 361 of file Node.cpp.

◆ blendingMode

QString Node::blendingMode ( ) const

slot

Returns: the blending mode of the layer. The values of the blending modes are defined in

See also: KoCompositeOpRegistry.h

Definition at line 178 of file Node.cpp.

◆ bounds

QRect Node::bounds ( ) const

slot

bounds return the exact bounds of the node's paint device

Returns: the bounds, or an empty QRect if the node has no paint device or is empty.

Definition at line 615 of file Node.cpp.

◆ channels

QList< Channel * > Node::channels ( ) const

slot

channels creates a list of Channel objects that can be used individually to show or hide certain channels, and to retrieve the contents of each channel in a node separately.

Only layers have channels, masks do not, and calling channels on a Node that is a mask will return an empty list.

Returns: the list of channels ordered in by position of the channels in pixel position

Definition at line 197 of file Node.cpp.

◆ childNodes

QList< Node * > Node::childNodes ( ) const

slot

childNodes

Returns: returns a list of child nodes of the current node. The nodes are ordered from the bottommost up. The function is not recursive.

Definition at line 212 of file Node.cpp.

◆ clone

Node * Node::clone ( ) const

slot

clone clone the current node.

The node is not associated with any image.

Definition at line 150 of file Node.cpp.

◆ collapsed

bool Node::collapsed ( ) const

slot

returns the collapsed state of this node

Definition at line 385 of file Node.cpp.

◆ colorDepth

QString Node::colorDepth ( ) const

slot

colorDepth A string describing the color depth of the image:

U8: unsigned 8 bits integer, the most common type
U16: unsigned 16 bits integer
F16: half, 16 bits floating point. Only available if Krita was built with OpenEXR
F32: 32 bits floating point

Returns: the color depth.

Definition at line 314 of file Node.cpp.

◆ colorLabel

int Node::colorLabel ( ) const

slot

Sets a color label index associated to the layer.

The actual color of the label and the number of available colors is defined by Krita GUI configuration.

Definition at line 302 of file Node.cpp.

◆ colorModel

QString Node::colorModel ( ) const

slot

colorModel retrieve the current color model of this document:

A: Alpha mask
RGBA: RGB with alpha channel (The actual order of channels is most often BGR!)
XYZA: XYZ with alpha channel
LABA: LAB with alpha channel
CMYKA: CMYK with alpha channel
GRAYA: Gray with alpha channel
YCbCrA: YCbCr with alpha channel

Returns: the internal color model string.

Definition at line 321 of file Node.cpp.

◆ colorProfile

QString Node::colorProfile ( ) const

slot

Returns: the name of the current color profile

Definition at line 329 of file Node.cpp.

◆ createNode()

Node * Node::createNode	(	KisImageSP	image,
		KisNodeSP	node,
		QObject *	parent = 0 )

static

Definition at line 91 of file Node.cpp.

◆ cropNode

void Node::cropNode	(	int	x,
		int	y,
		int	w,
		int	h )

slot

cropNode crop this layer.

Parameters

x	the left edge of the cropping rectangle.
y	the top edge of the cropping rectangle
w	the right edge of the cropping rectangle
h	the bottom edge of the cropping rectangle

Definition at line 726 of file Node.cpp.

◆ duplicate

Node * Node::duplicate ( )

slot

duplicate returns a full copy of the current node.

The node is not inserted in the graphic

Returns: a valid Node object or 0 if the node couldn't be duplicated.

Definition at line 647 of file Node.cpp.

◆ enableAnimation

void Node::enableAnimation ( ) const

slot

enableAnimation make the current layer animated, so it can have frames.

Definition at line 367 of file Node.cpp.

◆ findChildNodes

QList< Node * > Node::findChildNodes	(	const QString &	name = QString(),
		bool	recursive = false,
		bool	partialMatch = false,
		const QString &	type = QString(),
		int	colorLabelIndex = 0 ) const

slot

findChildNodes

Parameters

name	name of the child node to search for. Leaving this blank will return all nodes.
recursive	whether or not to search recursively. Defaults to false.
partialMatch	return if the name partially contains the string (case insensitive). Defaults to false.
type	filter returned nodes based on type
colorLabelIndex	filter returned nodes based on color label index

Returns: returns a list of child nodes and grand child nodes of the current node that match the search criteria.

Definition at line 226 of file Node.cpp.

◆ hasExtents

bool Node::hasExtents ( )

slot

does the node have any content in it?

Returns: if node has any content in it

Definition at line 423 of file Node.cpp.

◆ hasKeyframeAtTime

bool Node::hasKeyframeAtTime ( int frameNumber )

slot

Check to see if frame number on layer is a keyframe.

Definition at line 523 of file Node.cpp.

◆ icon

QIcon Node::icon ( ) const

slot

icon

Returns: the icon associated with the layer.

Definition at line 508 of file Node.cpp.

◆ index

int Node::index ( ) const

slot

index the index of the node inside the parent

Returns: an integer representing the node's index inside the parent

Definition at line 803 of file Node.cpp.

◆ inheritAlpha

bool Node::inheritAlpha ( ) const

slot

inheritAlpha checks whether this node has the inherits alpha flag set

Returns: true if the Inherit Alpha is set

Definition at line 397 of file Node.cpp.

◆ isPinnedToTimeline

bool Node::isPinnedToTimeline ( ) const

slot

Returns: Returns true if node is pinned to the Timeline Docker or false if it is not.

Definition at line 379 of file Node.cpp.

◆ layerStyleToAsl

QString Node::layerStyleToAsl ( )

slot

layerStyleToAsl retrieve the current layer's style in ASL format.

Returns: a QString in ASL format representing the layer style.

Definition at line 753 of file Node.cpp.

◆ locked

bool Node::locked ( ) const

slot

locked checks whether the Node is locked.

A locked node cannot be changed.

Returns: true if the Node is locked, false if it hasn't been locked.

Definition at line 411 of file Node.cpp.

◆ mergeDown

Node * Node::mergeDown ( )

slot

mergeDown merges the given node with the first visible node underneath this node in the layerstack.

This will drop all per-layer metadata.

Definition at line 685 of file Node.cpp.

◆ move

void Node::move	(	int	x,
		int	y )

slot

move the pixels to the given x, y location in the image coordinate space.

Definition at line 621 of file Node.cpp.

◆ name

QString Node::name ( ) const

slot

Returns: the user-visible name of this node.

Definition at line 428 of file Node.cpp.

◆ opacity

int Node::opacity ( ) const

slot

return the opacity of the Node.

The opacity is a value between 0 and 255.

Definition at line 441 of file Node.cpp.

◆ operator!=()

bool Node::operator!= ( const Node & other ) const

Definition at line 145 of file Node.cpp.

◆ operator==()

bool Node::operator== ( const Node & other ) const

Definition at line 139 of file Node.cpp.

◆ paintAbility

QString Node::paintAbility ( )

slot

paintAbility can be used to determine whether this node can be painted on with the current brush preset.

Returns

QString, one of the following:

VECTOR - This node is vector-based.
CLONE - This node is a Clone Layer.
PAINT - This node is paintable by the current brush preset.
UNPAINTABLE - This node is not paintable, or a null preset is somehow selected./li>
MYPAINTBRUSH_UNPAINTABLE - This node's non-RGBA colorspace cannot be painted on by the currently selected MyPaint brush.

Definition at line 832 of file Node.cpp.

◆ paintEllipse

void Node::paintEllipse	(	const QRectF &	rect,
		const QString	strokeStyle = PaintingResources::defaultStrokeStyle,
		const QString	fillStyle = PaintingResources::defaultFillStyle )

slot

paint an ellipse on the canvas.

Uses current brush preset

Parameters

rect	QRect with x, y, width, and height None ForegroundColor BackgroundColor Default is ForegroundColor.
fillStyle	appearance of the fill, one of: None ForegroundColor BackgroundColor Pattern Default is None.

Definition at line 916 of file Node.cpp.

◆ paintLine

void Node::paintLine	(	const QPointF	pointOne,
		const QPointF	pointTwo,
		double	pressureOne = 1.0,
		double	pressureTwo = 1.0,
		const QString	strokeStyle = PaintingResources::defaultStrokeStyle )

slot

paint a line on the canvas.

Uses current brush preset

Parameters

pointOne	starting point
pointTwo	end point
pressureOne	starting pressure
pressureTwo	end pressure
strokeStyle	appearance of the outline, one of: None - will use Foreground Color, since line would be invisible otherwise ForegroundColor BackgroundColor

Definition at line 867 of file Node.cpp.

◆ paintPath

void Node::paintPath	(	const QPainterPath &	path,
		const QString	strokeStyle = PaintingResources::defaultStrokeStyle,
		const QString	fillStyle = PaintingResources::defaultFillStyle )

slot

paint a custom path on the canvas.

Uses current brush preset

Parameters

path	QPainterPath to determine path None ForegroundColor BackgroundColor Default is ForegroundColor.
fillStyle	appearance of the fill, one of: None ForegroundColor BackgroundColor Pattern Default is None.

Definition at line 928 of file Node.cpp.

◆ paintPolygon

void Node::paintPolygon	(	const QList< QPointF >	points,
		const QString	strokeStyle = PaintingResources::defaultStrokeStyle,
		const QString	fillStyle = PaintingResources::defaultFillStyle )

slot

paint a polygon on the canvas.

Uses current brush preset

Parameters

list	of Qpoints None ForegroundColor BackgroundColor Default is ForegroundColor.
fillStyle	appearance of the fill, one of: None ForegroundColor BackgroundColor Pattern Default is None.

Definition at line 902 of file Node.cpp.

◆ paintRectangle

void Node::paintRectangle	(	const QRectF &	rect,
		const QString	strokeStyle = PaintingResources::defaultStrokeStyle,
		const QString	fillStyle = PaintingResources::defaultFillStyle )

slot

paint a rectangle on the canvas.

Uses current brush preset

Parameters

rect	QRect with x, y, width, and height
strokeStyle	appearance of the outline, one of: None ForegroundColor BackgroundColor Default is ForegroundColor.
fillStyle	appearance of the fill, one of: None ForegroundColor BackgroundColor Pattern Default is None.

Definition at line 887 of file Node.cpp.

◆ parentNode

Node * Node::parentNode ( ) const

slot

return the Node that is the parent of the current Node, or 0 if this is the root Node.

Definition at line 456 of file Node.cpp.

◆ pixelData

QByteArray Node::pixelData	(	int	x,
		int	y,
		int	w,
		int	h ) const

slot

pixelData reads the given rectangle from the Node's paintable pixels, if those exist, and returns it as a byte array.

The pixel data starts top-left, and is ordered row-first.

The byte array can be interpreted as follows: 8 bits images have one byte per channel, and as many bytes as there are channels. 16 bits integer images have two bytes per channel, representing an unsigned short. 16 bits float images have two bytes per channel, representing a half, or 16 bits float. 32 bits float images have four bytes per channel, representing a float.

You can read outside the node boundaries; those pixels will be transparent black.

The order of channels is:

Integer RGBA: Blue, Green, Red, Alpha
Float RGBA: Red, Green, Blue, Alpha
GrayA: Gray, Alpha
Selection: selectedness
LabA: L, a, b, Alpha
CMYKA: Cyan, Magenta, Yellow, Key, Alpha
XYZA: X, Y, Z, A
YCbCrA: Y, Cb, Cr, Alpha

The byte array is a copy of the original node data. In Python, you can use bytes, bytearray and the struct module to interpret the data and construct, for instance, a Pillow Image object.

If you read the pixeldata of a mask, a filter or generator layer, you get the selection bytes, which is one channel with values in the range from 0..255.

If you want to change the pixels of a node you can write the pixels back after manipulation with setPixelData(). This will only succeed on nodes with writable pixel data, e.g not on groups or file layers.

Parameters

x	x position from where to start reading
y	y position from where to start reading
w	row length to read
h	number of rows to read

Returns: a QByteArray with the pixel data. The byte array may be empty.

Definition at line 546 of file Node.cpp.

◆ pixelDataAtTime

QByteArray Node::pixelDataAtTime	(	int	x,
		int	y,
		int	w,
		int	h,
		int	time ) const

slot

pixelDataAtTime a basic function to get pixeldata from an animated node at a given time.

Parameters

x	the position from the left to start reading.
y	the position from the top to start reader
w	the row length to read
h	the number of rows to read
time	the frame number

Returns: a QByteArray with the pixel data. The byte array may be empty.

Definition at line 560 of file Node.cpp.

◆ position

QPoint Node::position ( ) const

slot

position returns the position of the paint device of this node.

The position is always 0,0 unless the layer has been moved. If you want to know the topleft position of the rectangle around the actual non-transparent pixels in the node, use bounds().

Returns: the top-left position of the node

Definition at line 628 of file Node.cpp.

◆ projectionPixelData

QByteArray Node::projectionPixelData	(	int	x,
		int	y,
		int	w,
		int	h ) const

slot

projectionPixelData reads the given rectangle from the Node's projection (that is, what the node looks like after all sub-Nodes (like layers in a group or masks on a layer) have been applied, and returns it as a byte array.

The pixel data starts top-left, and is ordered row-first.

The byte array can be interpreted as follows: 8 bits images have one byte per channel, and as many bytes as there are channels. 16 bits integer images have two bytes per channel, representing an unsigned short. 16 bits float images have two bytes per channel, representing a half, or 16 bits float. 32 bits float images have four bytes per channel, representing a float.

You can read outside the node boundaries; those pixels will be transparent black.

The order of channels is:

Integer RGBA: Blue, Green, Red, Alpha
Float RGBA: Red, Green, Blue, Alpha
GrayA: Gray, Alpha
Selection: selectedness
LabA: L, a, b, Alpha
CMYKA: Cyan, Magenta, Yellow, Key, Alpha
XYZA: X, Y, Z, A
YCbCrA: Y, Cb, Cr, Alpha

The byte array is a copy of the original node data. In Python, you can use bytes, bytearray and the struct module to interpret the data and construct, for instance, a Pillow Image object.

If you read the projection of a mask, you get the selection bytes, which is one channel with values in the range from 0..255.

If you want to change the pixels of a node you can write the pixels back after manipulation with setPixelData(). This will only succeed on nodes with writable pixel data, e.g not on groups or file layers.

Parameters

x	x position from where to start reading
y	y position from where to start reading
w	row length to read
h	number of rows to read

Returns: a QByteArray with the pixel data. The byte array may be empty.

Definition at line 582 of file Node.cpp.

◆ remove

bool Node::remove ( )

slot

remove removes this node from its parent image.

Definition at line 634 of file Node.cpp.

◆ removeChildNode

bool Node::removeChildNode ( Node * child )

slot

removeChildNode removes the given node from the list of children.

Parameters

child the node to be removed

Definition at line 283 of file Node.cpp.

◆ rotateNode

void Node::rotateNode ( double radians )

slot

rotateNode rotate this layer by the given radians.

Parameters

radians amount the layer should be rotated in, in radians.

Definition at line 716 of file Node.cpp.

◆ save

bool Node::save	(	const QString &	filename,
		double	xRes,
		double	yRes,
		const InfoObject &	exportConfiguration,
		const QRect &	exportRect = QRect() )

slot

save exports the given node with this filename.

The extension of the filename determines the filetype.

Parameters

filename	the filename including extension
xRes	the horizontal resolution in pixels per pt (there are 72 pts in an inch)
yRes	the horizontal resolution in pixels per pt (there are 72 pts in an inch)
exportConfiguration	a configuration object appropriate to the file format.
exportRect	the export bounds for saving a node as a QRect If `exportRect` is empty, then save exactBounds() of the node. If you'd like to save the image- aligned area of the node, just pass image->bounds() there. See Document->exportImage for InfoObject details.

Returns: true if saving succeeded, false if it failed.

Definition at line 653 of file Node.cpp.

◆ scaleNode

void Node::scaleNode	(	QPointF	origin,
		int	width,
		int	height,
		QString	strategy )

slot

scaleNode

Parameters

origin	the origin point
width	the width
height	the height
strategy	the scaling strategy. There's several ones amongst these that aren't available in the regular UI. Hermite Bicubic - Adds pixels using the color of surrounding pixels. Produces smoother tonal gradations than Bilinear. Box - Replicate pixels in the image. Preserves all the original detail, but can produce jagged effects. Bilinear - Adds pixels averaging the color values of surrounding pixels. Produces medium quality results when the image is scaled from half to two times the original size. Bell BSpline Lanczos3 - Offers similar results than Bicubic, but maybe a little bit sharper. Can produce light and dark halos along strong edges. Mitchell

Definition at line 697 of file Node.cpp.

◆ setAlphaLocked

void Node::setAlphaLocked ( bool value )

slot

setAlphaLocked set the layer to value if the node is paint layer.

Definition at line 168 of file Node.cpp.

◆ setBlendingMode

void Node::setBlendingMode ( QString value )

slot

setBlendingMode set the blending mode of the node to the given value

Parameters

value one of the string values from

See also: KoCompositeOpRegistry.h

Definition at line 185 of file Node.cpp.

◆ setChildNodes

void Node::setChildNodes ( QList< Node * > nodes )

slot

setChildNodes this replaces the existing set of child nodes with the new set.

Parameters

nodes The list of nodes that will become children, bottom-up – the first node, is the bottom-most node in the stack.

Definition at line 289 of file Node.cpp.

◆ setCollapsed

void Node::setCollapsed ( bool collapsed )

slot

Sets the state of the node to the value of.

Parameters

collapsed

Definition at line 391 of file Node.cpp.

◆ setColorLabel

void Node::setColorLabel ( int index )

slot

setColorLabel sets a color label index associated to the layer.

The actual color of the label and the number of available colors is defined by Krita GUI configuration.

Parameters

index an integer corresponding to the set of available color labels.

Definition at line 308 of file Node.cpp.

◆ setColorProfile

bool Node::setColorProfile ( const QString & colorProfile )

slot

setColorProfile set the color profile of the image to the given profile.

The profile has to be registered with krita and be compatible with the current color model and depth; the image data is not converted.

Parameters

colorProfile

Returns: if assigning the color profile worked

Definition at line 336 of file Node.cpp.

◆ setColorSpace

bool Node::setColorSpace	(	const QString &	colorModel,
		const QString &	colorDepth,
		const QString &	colorProfile )

slot

setColorSpace convert the node to the given colorspace

Parameters

colorModel	A string describing the color model of the node: A: Alpha mask RGBA: RGB with alpha channel (The actual order of channels is most often BGR!) XYZA: XYZ with alpha channel LABA: LAB with alpha channel CMYKA: CMYK with alpha channel GRAYA: Gray with alpha channel YCbCrA: YCbCr with alpha channel
colorDepth	A string describing the color depth of the image: U8: unsigned 8 bits integer, the most common type U16: unsigned 16 bits integer F16: half, 16 bits floating point. Only available if Krita was built with OpenEXR F32: 32 bits floating point
colorProfile	a valid color profile for this color model and color depth combination.

Definition at line 347 of file Node.cpp.

◆ setInheritAlpha

void Node::setInheritAlpha ( bool value )

slot

set the Inherit Alpha flag to the given value

Definition at line 404 of file Node.cpp.

◆ setLayerStyleFromAsl

bool Node::setLayerStyleFromAsl ( const QString & asl )

slot

setLayerStyleFromAsl set a new layer style for this node.

Parameters

aslContent a string formatted in ASL format containing the layer style

Returns: true if layer style was set, false if failed.

Definition at line 772 of file Node.cpp.

◆ setLocked

void Node::setLocked ( bool value )

slot

set the Locked flag to the give value

Definition at line 417 of file Node.cpp.

◆ setName

void Node::setName ( QString name )

slot

rename the Node to the given name

Definition at line 434 of file Node.cpp.

◆ setOpacity

void Node::setOpacity ( int value )

slot

set the opacity of the Node to the given value.

The opacity is a value between 0 and 255.

Definition at line 447 of file Node.cpp.

◆ setPinnedToTimeline

void Node::setPinnedToTimeline ( bool pinned ) const

slot

Sets whether or not node should be pinned to the Timeline Docker, regardless of selection activity.

Definition at line 373 of file Node.cpp.

◆ setPixelData

bool Node::setPixelData	(	QByteArray	value,
		int	x,
		int	y,
		int	w,
		int	h )

slot

setPixelData writes the given bytes, of which there must be enough, into the Node, if the Node has writable pixel data:

paint layer: the layer's original pixels are overwritten
filter layer, generator layer, any mask: the embedded selection's pixels are overwritten. Note: for these

File layers, Group layers, Clone layers cannot be written to. Calling setPixelData on those layer types will silently do nothing.

Parameters

value	the byte array representing the pixels. There must be enough bytes available. Krita will take the raw pointer from the QByteArray and start reading, not stopping before (number of channels * size of channel * w * h) bytes are read.
x	the x position to start writing from
y	the y position to start writing from
w	the width of each row
h	the number of rows to write

Returns: true if writing the pixeldata worked

Definition at line 602 of file Node.cpp.

◆ setVisible

void Node::setVisible ( bool visible )

slot

Set the visibility of the current node to.

Parameters

visible

Definition at line 539 of file Node.cpp.

◆ shearNode

void Node::shearNode	(	double	angleX,
		double	angleY )

slot

shearNode perform a shear operation on this node.

Parameters

angleX	the X-angle in degrees to shear by
angleY	the Y-angle in degrees to shear by

Definition at line 737 of file Node.cpp.

◆ thumbnail

QImage Node::thumbnail	(	int	w,
		int	h )

slot

thumbnail create a thumbnail of the given dimensions.

The thumbnail is sized according to the layer dimensions, not the image dimensions. If the requested size is too big a null QImage is created. If the current node cannot generate a thumbnail, a transparent QImage of the requested size is generated.

Returns: a QImage representing the layer contents.

Definition at line 747 of file Node.cpp.

◆ type

QString Node::type ( ) const

virtualslot

type Krita has several types of nodes, split in layers and masks.

Group layers can contain other layers, any layer can contain masks.

Returns

The type of the node. Valid types are:

paintlayer
grouplayer
filelayer
filterlayer
filllayer
clonelayer
vectorlayer
transparencymask
filtermask
transformmask
selectionmask
colorizemask

If the Node object isn't wrapping a valid Krita layer or mask object, and empty string is returned.

Definition at line 463 of file Node.cpp.

◆ uniqueId

QUuid Node::uniqueId ( ) const

slot

uniqueId uniqueId of the node

Returns: a QUuid representing a unique id to identify the node

Definition at line 811 of file Node.cpp.

◆ visible

bool Node::visible ( ) const

slot

Check whether the current Node is visible in the layer stack.

Definition at line 517 of file Node.cpp.

The documentation for this class was generated from the following files:

Class Picker

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About Krita

Node

Public Slots

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ~Node()

Member Function Documentation

◆ addChildNode

◆ alphaLocked

◆ animated

◆ blendingMode

◆ bounds

◆ channels

◆ childNodes

◆ clone

◆ collapsed

◆ colorDepth

◆ colorLabel

◆ colorModel

◆ colorProfile

◆ createNode()

◆ cropNode

◆ duplicate

◆ enableAnimation

◆ findChildNodes

◆ hasExtents

◆ hasKeyframeAtTime

◆ icon

◆ index

◆ inheritAlpha

◆ isPinnedToTimeline

◆ layerStyleToAsl

◆ locked

◆ mergeDown

◆ move

◆ name

◆ opacity

◆ operator!=()

◆ operator==()

◆ paintAbility

◆ paintEllipse

◆ paintLine

◆ paintPath

◆ paintPolygon

◆ paintRectangle

◆ parentNode

◆ pixelData

◆ pixelDataAtTime

◆ position

◆ projectionPixelData

◆ remove

◆ removeChildNode

◆ rotateNode

◆ save

◆ scaleNode

◆ setAlphaLocked

◆ setBlendingMode

◆ setChildNodes

◆ setCollapsed

◆ setColorLabel

◆ setColorProfile

◆ setColorSpace

◆ setInheritAlpha

◆ setLayerStyleFromAsl

◆ setLocked

◆ setName

◆ setOpacity

◆ setPinnedToTimeline

◆ setPixelData

◆ setVisible

◆ shearNode

◆ thumbnail

◆ type

◆ uniqueId

◆ visible