KisSelectionUpdateCompressor Class Reference

#include <KisSelectionUpdateCompressor.h>

Inheritance diagram for KisSelectionUpdateCompressor:

Public Slots
void	requestUpdate (const QRect &updateRect)
void	tryProcessStalledUpdate ()

Public Member Functions
	KisSelectionUpdateCompressor (KisSelection *selection)
	~KisSelectionUpdateCompressor ()

Private Slots
void	startUpdateJob ()

Private Attributes
bool	m_fullUpdateRequested {false}
bool	m_hasStalledUpdate {false}
KisSelection *	m_parentSelection {0}
QRect	m_updateRect
KisThreadSafeSignalCompressor *	m_updateSignalCompressor {0}

Detailed Description

Definition at line 17 of file KisSelectionUpdateCompressor.h.

Constructor & Destructor Documentation

KisSelectionUpdateCompressor()

KisSelectionUpdateCompressor::KisSelectionUpdateCompressor

(

KisSelection *

selection

)

Definition at line 15 of file KisSelectionUpdateCompressor.cpp.

    : m_parentSelection(selection)
    , m_updateSignalCompressor(new KisThreadSafeSignalCompressor(100, KisSignalCompressor::POSTPONE))
{
    connect(m_updateSignalCompressor, SIGNAL(timeout()), this, SLOT(startUpdateJob()));
 
    this->moveToThread(m_updateSignalCompressor->thread());
}

References connect(), m_updateSignalCompressor, and startUpdateJob().

~KisSelectionUpdateCompressor()

KisSelectionUpdateCompressor::~KisSelectionUpdateCompressor

(

)

Definition at line 24 of file KisSelectionUpdateCompressor.cpp.

{
    m_updateSignalCompressor->deleteLater();
}

References m_updateSignalCompressor.

Member Function Documentation

requestUpdate

void KisSelectionUpdateCompressor::requestUpdate ( const QRect & updateRect )

slot

Definition at line 29 of file KisSelectionUpdateCompressor.cpp.

{
    m_fullUpdateRequested |= updateRect.isEmpty();
    m_updateRect = !m_fullUpdateRequested ? m_updateRect | updateRect : QRect();
    m_updateSignalCompressor->start();
}

References m_fullUpdateRequested, m_updateRect, m_updateSignalCompressor, and KisThreadSafeSignalCompressor::start().

startUpdateJob

void KisSelectionUpdateCompressor::startUpdateJob ( )

privateslot

Definition at line 43 of file KisSelectionUpdateCompressor.cpp.

{
    KisNodeSP parentNode = m_parentSelection->parentNode();
    if (!parentNode) {
        m_hasStalledUpdate = true;
        return;
    }
 
    // FIXME: we cannot use parentNode->image() here because masks don't
    //        have the pointer initialized for some reason.
    KisImageSP image = KisLayerUtils::findImageByHierarchy(parentNode);
    if (!image) {
        m_hasStalledUpdate = true;
        return;
    }
 
    if (image) {
        image->addSpontaneousJob(new KisUpdateSelectionJob(m_parentSelection, m_updateRect));
    }
    m_updateRect = QRect();
    m_fullUpdateRequested = false;
    m_hasStalledUpdate = false;
}

References KisImage::addSpontaneousJob(), KisLayerUtils::findImageByHierarchy(), m_fullUpdateRequested, m_hasStalledUpdate, m_parentSelection, m_updateRect, and KisSelection::parentNode.

tryProcessStalledUpdate

void KisSelectionUpdateCompressor::tryProcessStalledUpdate ( )

slot

Definition at line 36 of file KisSelectionUpdateCompressor.cpp.

{
    if (m_hasStalledUpdate) {
        m_updateSignalCompressor->start();
    }
}

References m_hasStalledUpdate, m_updateSignalCompressor, and KisThreadSafeSignalCompressor::start().

Member Data Documentation

m_fullUpdateRequested

bool KisSelectionUpdateCompressor::m_fullUpdateRequested {false}

private

Definition at line 35 of file KisSelectionUpdateCompressor.h.

{false};

m_hasStalledUpdate

bool KisSelectionUpdateCompressor::m_hasStalledUpdate {false}

private

Definition at line 37 of file KisSelectionUpdateCompressor.h.

{false};

m_parentSelection

KisSelection* KisSelectionUpdateCompressor::m_parentSelection {0}

private

Definition at line 32 of file KisSelectionUpdateCompressor.h.

{0};

m_updateRect

QRect KisSelectionUpdateCompressor::m_updateRect

private

Definition at line 34 of file KisSelectionUpdateCompressor.h.

m_updateSignalCompressor

KisThreadSafeSignalCompressor* KisSelectionUpdateCompressor::m_updateSignalCompressor {0}

private

Definition at line 33 of file KisSelectionUpdateCompressor.h.

{0};

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

• libs/image/KisSelectionUpdateCompressor.h
• libs/image/KisSelectionUpdateCompressor.cpp