Channel

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Channel Class Reference

#include <Channel.h>

Inheritance diagram for Channel:

Public Member Functions

 Channel (KisNodeSP node, KoChannelInfo *channel, QObject *parent=0)
 
QRect bounds () const
 
int channelSize () const
 
QString name () const
 
bool operator!= (const Channel &other) const
 
bool operator== (const Channel &other) const
 
QByteArray pixelData (const QRect &rect) const
 
int position () const
 
void setPixelData (QByteArray value, const QRect &rect)
 
void setVisible (bool value)
 
bool visible () const
 
- Public Member Functions inherited from QObject
 QObject (QObject *parent)
 
QBindable< QStringbindableObjectName ()
 
bool blockSignals (bool block)
 
const QObjectListchildren () 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< QByteArraydynamicPropertyNames () const const
 
virtual bool event (QEvent *e)
 
virtual bool eventFilter (QObject *watched, QEvent *event)
 
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 QMetaObjectmetaObject () const const
 
void moveToThread (QThread *targetThread)
 
QString objectName () const const
 
void objectNameChanged (const QString &objectName)
 
QObjectparent () 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
 
qobject_cast (const QObject *object)
 
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)
 
QThreadthread () const const
 

Additional Inherited Members

- Public Types inherited from QObject
typedef  QObjectList
 
- Properties inherited from QObject
 objectName
 
- 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)
 
- 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
 
QObjectsender () const const
 
int senderSignalIndex () const const
 
virtual void timerEvent (QTimerEvent *event)
 

Detailed Description

A Channel represents a single channel in a Node.

Krita does not use channels to store local selections: these are strictly the color and alpha channels.

Definition at line 22 of file Channel.h.

Constructor & Destructor Documentation

◆ Channel()

Channel::Channel ( KisNodeSP node,
KoChannelInfo * channel,
QObject * parent = 0 )
explicit

Definition at line 32 of file Channel.cpp.

◆ ~Channel()

Channel::~Channel ( )
override

Definition at line 40 of file Channel.cpp.

Member Function Documentation

◆ bounds()

QRect Channel::bounds ( ) const
Returns
the exact bounds of the channel. This can be smaller than the bounds of the Node this channel is part of.

Definition at line 114 of file Channel.cpp.

◆ channelSize()

int Channel::channelSize ( ) const
Returns
the number of bytes this channel takes

Definition at line 109 of file Channel.cpp.

◆ name()

QString Channel::name ( ) const
Returns
the name of the channel

Definition at line 99 of file Channel.cpp.

◆ operator!=()

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

Definition at line 52 of file Channel.cpp.

◆ operator==()

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

Definition at line 46 of file Channel.cpp.

◆ pixelData()

QByteArray Channel::pixelData ( const QRect & rect) const

Read the values of the channel into the a byte array for each pixel in the rect from the Node this channel is part of, and returns it.

Note that if Krita is built with OpenEXR and the Node has the 16 bits floating point channel depth type, Krita returns 32 bits float for every channel; the libkis scripting API does not support half.

Definition at line 152 of file Channel.cpp.

◆ position()

int Channel::position ( ) const
Returns
the position of the first byte of the channel in the pixel

Definition at line 104 of file Channel.cpp.

◆ setPixelData()

void Channel::setPixelData ( QByteArray value,
const QRect & rect )

setPixelData writes the given data to the relevant channel in the Node.

This is only possible for Nodes that have a paintDevice, so nothing will happen when trying to write to e.g. a group layer.

Note that if Krita is built with OpenEXR and the Node has the 16 bits floating point channel depth type, Krita expects to be given a 4 byte, 32 bits float for every channel; the libkis scripting API does not support half.

Parameters
valuea byte array with exactly enough bytes.
rectthe rectangle to write the bytes into

Definition at line 196 of file Channel.cpp.

◆ setVisible()

void Channel::setVisible ( bool value)

setvisible set the visibility of the channel to the given value.

Definition at line 76 of file Channel.cpp.

◆ visible()

bool Channel::visible ( ) const

visible checks whether this channel is visible in the node

Returns
the status of this channel

Definition at line 58 of file Channel.cpp.


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