KisLayerMasksCache Class Reference

Public Member Functions
QList< KisEffectMaskSP >	effectMasks ()
	KisLayerMasksCache (KisLayer *parent)
KisSelectionMaskSP	selectionMask ()
void	setDirty ()

Private Attributes
QList< KisEffectMaskSP >	m_effectMasks
bool	m_isEffectMasksValid = false
bool	m_isSelectionMaskValid = false
QReadWriteLock	m_lock
KisLayer *	m_parent
KisSelectionMaskSP	m_selectionMask

Detailed Description

Definition at line 82 of file kis_layer.cc.

Constructor & Destructor Documentation

KisLayerMasksCache()

KisLayerMasksCache::KisLayerMasksCache ( KisLayer * parent )

inline

Definition at line 84 of file kis_layer.cc.

        : m_parent(parent)
    {
    }

Member Function Documentation

effectMasks()

QList< KisEffectMaskSP > KisLayerMasksCache::effectMasks ( )

inline

Definition at line 120 of file kis_layer.cc.

                                         {
        QReadLocker readLock(&m_lock);
 
        if (!m_isEffectMasksValid) {
            readLock.unlock();
 
            QWriteLocker writeLock(&m_lock);
            if (!m_isEffectMasksValid) {
                m_effectMasks = m_parent->searchEffectMasks(0);
                m_isEffectMasksValid = true;
            }
 
            // return under write lock
            return m_effectMasks;
        }
 
        // return under read lock
        return m_effectMasks;
    }

References m_effectMasks, m_isEffectMasksValid, m_lock, m_parent, and KisLayer::searchEffectMasks().

selectionMask()

KisSelectionMaskSP KisLayerMasksCache::selectionMask ( )

inline

Definition at line 89 of file kis_layer.cc.

                                       {
        QReadLocker readLock(&m_lock);
 
        if (!m_isSelectionMaskValid) {
            readLock.unlock();
 
            QWriteLocker writeLock(&m_lock);
            if (!m_isSelectionMaskValid) {
                KoProperties properties;
                properties.setProperty("active", true);
                properties.setProperty("visible", true);
                QList<KisNodeSP> masks = m_parent->childNodes(QStringList("KisSelectionMask"), properties);
 
                // return the first visible mask
                Q_FOREACH (KisNodeSP mask, masks) {
                    if (mask) {
                        m_selectionMask = dynamic_cast<KisSelectionMask*>(mask.data());
                        break;
                    }
                }
                m_isSelectionMaskValid = true;
            }
 
            // return under write lock
            return m_selectionMask;
        }
 
        // return under read lock
        return m_selectionMask;
    }

References KisNode::childNodes(), KisSharedPtr< T >::data(), m_isSelectionMaskValid, m_lock, m_parent, m_selectionMask, and KoProperties::setProperty().

setDirty()

void KisLayerMasksCache::setDirty ( )

inline

Definition at line 140 of file kis_layer.cc.

    {
        QWriteLocker l(&m_lock);
        m_isSelectionMaskValid = false;
        m_isEffectMasksValid = false;
        m_selectionMask = 0;
        m_effectMasks.clear();
    }

References KisSharedPtr< T >::clear(), m_effectMasks, m_isEffectMasksValid, m_isSelectionMaskValid, m_lock, and m_selectionMask.

Member Data Documentation

m_effectMasks

QList<KisEffectMaskSP> KisLayerMasksCache::m_effectMasks

private

Definition at line 157 of file kis_layer.cc.

m_isEffectMasksValid

bool KisLayerMasksCache::m_isEffectMasksValid = false

private

Definition at line 155 of file kis_layer.cc.

m_isSelectionMaskValid

bool KisLayerMasksCache::m_isSelectionMaskValid = false

private

Definition at line 154 of file kis_layer.cc.

m_lock

QReadWriteLock KisLayerMasksCache::m_lock

private

Definition at line 152 of file kis_layer.cc.

m_parent

KisLayer* KisLayerMasksCache::m_parent

private

Definition at line 150 of file kis_layer.cc.

m_selectionMask

KisSelectionMaskSP KisLayerMasksCache::m_selectionMask

private

Definition at line 156 of file kis_layer.cc.

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

• libs/image/kis_layer.cc