#include <kis_random_accessor.h>

Inheritance diagram for KisRandomAccessor2:

Classes
struct	KisTileInfo

Public Member Functions
	KisRandomAccessor2 (const KisTiledRandomAccessor &lhs)

	KisRandomAccessor2 (KisTiledDataManager ktm, qint32 offsetX, qint32 offsetY, bool writable, KisIteratorCompleteListener completeListener)

void	moveTo (qint32 x, qint32 y) override
	Move to a given x,y position, fetch tiles and data.

qint32	numContiguousColumns (qint32 x) const override

qint32	numContiguousRows (qint32 y) const override

const quint8 *	oldRawData () const override

quint8 *	rawData () override

const quint8 *	rawDataConst () const override

qint32	rowStride (qint32 x, qint32 y) const override

qint32	x () const override

qint32	y () const override

	~KisRandomAccessor2 () override

Public Member Functions inherited from KisRandomAccessorNG
	KisRandomAccessorNG ()

	~KisRandomAccessorNG () override

Public Member Functions inherited from KisRandomConstAccessorNG
	KisRandomConstAccessorNG ()

	~KisRandomConstAccessorNG () override

Public Member Functions inherited from KisBaseConstAccessor
	KisBaseConstAccessor ()

virtual	~KisBaseConstAccessor ()

Public Member Functions inherited from KisShared
bool	deref ()

bool	ref ()

int	refCount ()

QAtomicInt *	sharedWeakReference ()

Public Member Functions inherited from KisBaseAccessor
	KisBaseAccessor ()

virtual	~KisBaseAccessor ()

Private Member Functions
KisTileInfo *	fetchTileData (qint32 col, qint32 row)

void	lockOldTile (KisTileSP &tile)

void	lockTile (KisTileSP &tile)

void	unlockOldTile (KisTileSP &tile)

void	unlockTile (KisTileSP &tile)

quint32	xToCol (quint32 x) const

quint32	yToRow (quint32 y) const

Private Attributes
KisIteratorCompleteListener *	m_completeListener

quint8 *	m_data

KisTiledDataManager *	m_ktm

int	m_lastX

int	m_lastY

qint32	m_offsetX

qint32	m_offsetY

const quint8 *	m_oldData

qint32	m_pixelSize

KisTileInfo **	m_tilesCache

quint32	m_tilesCacheSize

bool	m_writable

Static Private Attributes
static const quint32	CACHESIZE = 4

Additional Inherited Members
Protected Member Functions inherited from KisShared
	KisShared ()

	~KisShared ()

Detailed Description

Definition at line 17 of file kis_random_accessor.h.

Constructor & Destructor Documentation

◆ KisRandomAccessor2() [1/2]

KisRandomAccessor2::KisRandomAccessor2	(	KisTiledDataManager *	ktm,
		qint32	offsetX,
		qint32	offsetY,
		bool	writable,
		KisIteratorCompleteListener *	completeListener )

Definition at line 15 of file kis_random_accessor.cc.

                                                                                                                                                             :
        m_ktm(ktm),
        m_tilesCache(new KisTileInfo*[CACHESIZE]),
        m_tilesCacheSize(0),
        m_pixelSize(m_ktm->pixelSize()),
        m_data(0),
        m_oldData(0),
        m_writable(writable),
        m_lastX(0),
        m_lastY(0),
        m_offsetX(offsetX),
        m_offsetY(offsetY),
        m_completeListener(completeListener)
{
    Q_ASSERT(ktm != 0);
}

◆ KisRandomAccessor2() [2/2]

KisRandomAccessor2::KisRandomAccessor2 ( const KisTiledRandomAccessor & lhs )

◆ ~KisRandomAccessor2()

KisRandomAccessor2::~KisRandomAccessor2 ( )

override

Definition at line 32 of file kis_random_accessor.cc.

{
    for (uint i = 0; i < m_tilesCacheSize; i++) {
        unlockTile(m_tilesCache[i]->tile);
        unlockOldTile(m_tilesCache[i]->oldtile);
        delete m_tilesCache[i];
    }
    delete [] m_tilesCache;
 
    if (m_writable && m_completeListener) {
        m_completeListener->notifyWritableIteratorCompleted();
    }
}

References m_completeListener, m_tilesCache, m_tilesCacheSize, m_writable, KisIteratorCompleteListener::notifyWritableIteratorCompleted(), unlockOldTile(), and unlockTile().

Member Function Documentation

◆ fetchTileData()

KisRandomAccessor2::KisTileInfo * KisRandomAccessor2::fetchTileData	(	qint32	col,
		qint32	row )

private

Definition at line 109 of file kis_random_accessor.cc.

{
    KisTileInfo* kti = new KisTileInfo;
 
    m_ktm->getTilesPair(col, row, m_writable, &kti->tile, &kti->oldtile);
 
    lockTile(kti->tile);
    kti->data = kti->tile->data();
 
    lockOldTile(kti->oldtile);
    kti->oldData = kti->oldtile->data();
 
    kti->area_x1 = col * KisTileData::HEIGHT;
    kti->area_y1 = row * KisTileData::WIDTH;
    kti->area_x2 = kti->area_x1 + KisTileData::HEIGHT - 1;
    kti->area_y2 = kti->area_y1 + KisTileData::WIDTH - 1;
 
    return kti;
}

References KisRandomAccessor2::KisTileInfo::area_x1, KisRandomAccessor2::KisTileInfo::area_x2, KisRandomAccessor2::KisTileInfo::area_y1, KisRandomAccessor2::KisTileInfo::area_y2, KisRandomAccessor2::KisTileInfo::data, KisTile::data(), KisTiledDataManager::getTilesPair(), KisTileData::HEIGHT, lockOldTile(), lockTile(), m_ktm, m_writable, KisRandomAccessor2::KisTileInfo::oldData, KisRandomAccessor2::KisTileInfo::oldtile, KisRandomAccessor2::KisTileInfo::tile, and KisTileData::WIDTH.

◆ lockOldTile()

void KisRandomAccessor2::lockOldTile ( KisTileSP & tile )

inlineprivate

Definition at line 43 of file kis_random_accessor.h.

                                             {
        // Doesn't depend on access type
        tile->lockForRead();
    }

References KisTile::lockForRead().

◆ lockTile()

void KisRandomAccessor2::lockTile ( KisTileSP & tile )

inlineprivate

Definition at line 36 of file kis_random_accessor.h.

                                          {
        if (m_writable)
            tile->lockForWrite();
        else
            tile->lockForRead();
    }

References KisTile::lockForRead(), KisTile::lockForWrite(), and m_writable.

◆ moveTo()

void KisRandomAccessor2::moveTo	(	qint32	x,
		qint32	y )

overridevirtual

Move to a given x,y position, fetch tiles and data.

Implements KisRandomConstAccessorNG.

Reimplemented in KisWrappedRandomAccessor.

Definition at line 46 of file kis_random_accessor.cc.

{
    m_lastX = x;
    m_lastY = y;
 
    x -= m_offsetX;
    y -= m_offsetY;
 
    // Look in the cache if the tile if the data is available
    for (uint i = 0; i < m_tilesCacheSize; i++) {
        if (x >= m_tilesCache[i]->area_x1 && x <= m_tilesCache[i]->area_x2 &&
                y >= m_tilesCache[i]->area_y1 && y <= m_tilesCache[i]->area_y2) {
            KisTileInfo* kti = m_tilesCache[i];
            quint32 offset = x - kti->area_x1 + (y - kti->area_y1) * KisTileData::WIDTH;
            offset *= m_pixelSize;
            m_data = kti->data + offset;
            m_oldData = kti->oldData + offset;
            if (i > 0) {
                memmove(m_tilesCache + 1, m_tilesCache, i * sizeof(KisTileInfo*));
                m_tilesCache[0] = kti;
            }
            return;
        }
    }
    // The tile wasn't in cache
    if (m_tilesCacheSize == KisRandomAccessor2::CACHESIZE) { // Remove last element of cache
        unlockTile(m_tilesCache[CACHESIZE-1]->tile);
        unlockOldTile(m_tilesCache[CACHESIZE-1]->oldtile);
        delete m_tilesCache[CACHESIZE-1];
    } else {
        m_tilesCacheSize++;
    }
    quint32 col = xToCol(x);
    quint32 row = yToRow(y);
    KisTileInfo* kti = fetchTileData(col, row);
    quint32 offset = x - kti->area_x1 + (y - kti->area_y1) * KisTileData::WIDTH;
    offset *= m_pixelSize;
    m_data = kti->data + offset;
    m_oldData = kti->oldData + offset;
    memmove(m_tilesCache + 1, m_tilesCache, (KisRandomAccessor2::CACHESIZE - 1) * sizeof(KisTileInfo*));
    m_tilesCache[0] = kti;
}

References KisRandomAccessor2::KisTileInfo::area_x1, KisRandomAccessor2::KisTileInfo::area_y1, CACHESIZE, KisRandomAccessor2::KisTileInfo::data, fetchTileData(), m_data, m_lastX, m_lastY, m_offsetX, m_offsetY, m_oldData, m_pixelSize, m_tilesCache, m_tilesCacheSize, KisRandomAccessor2::KisTileInfo::oldData, unlockOldTile(), unlockTile(), KisTileData::WIDTH, x(), xToCol(), y(), and yToRow().

◆ numContiguousColumns()

qint32 KisRandomAccessor2::numContiguousColumns ( qint32 x ) const

overridevirtual

Implements KisRandomConstAccessorNG.

Reimplemented in KisWrappedRandomAccessor.

Definition at line 129 of file kis_random_accessor.cc.

{
    return m_ktm->numContiguousColumns(x - m_offsetX, 0, 0);
}

References m_ktm, m_offsetX, KisTiledDataManager::numContiguousColumns(), and x().

◆ numContiguousRows()

qint32 KisRandomAccessor2::numContiguousRows ( qint32 y ) const

overridevirtual

Implements KisRandomConstAccessorNG.

Reimplemented in KisWrappedRandomAccessor.

Definition at line 134 of file kis_random_accessor.cc.

{
    return m_ktm->numContiguousRows(y - m_offsetY, 0, 0);
}

References m_ktm, m_offsetY, KisTiledDataManager::numContiguousRows(), and y().

◆ oldRawData()

const quint8 * KisRandomAccessor2::oldRawData ( ) const

overridevirtual

Returns: a pointer to the pixel data as it was at the moment of the last memento creation.

Implements KisBaseConstAccessor.

Definition at line 96 of file kis_random_accessor.cc.

{
#ifdef DEBUG
    if (!m_ktm->hasCurrentMemento()) warnTiles << "Accessing oldRawData() when no transaction is in progress.";
#endif
    return m_oldData;
}

References KisTiledDataManager::hasCurrentMemento(), m_ktm, m_oldData, and warnTiles.

◆ rawData()

quint8 * KisRandomAccessor2::rawData ( )

overridevirtual

Returns: a pointer to the pixel data. Do NOT interpret the data - leave that to a colorspace

Implements KisBaseAccessor.

Definition at line 90 of file kis_random_accessor.cc.

{
    return m_data;
}

References m_data.

◆ rawDataConst()

const quint8 * KisRandomAccessor2::rawDataConst ( ) const

overridevirtual

Returns: a pointer to the most actual pixel data, this points to the same data as rawData() method of a writable accessor.

Implements KisBaseConstAccessor.

Definition at line 104 of file kis_random_accessor.cc.

{
    return m_data;
}

References m_data.

◆ rowStride()

qint32 KisRandomAccessor2::rowStride	(	qint32	x,
		qint32	y ) const

overridevirtual

Implements KisRandomConstAccessorNG.

Reimplemented in KisWrappedRandomAccessor.

Definition at line 139 of file kis_random_accessor.cc.

{
    return m_ktm->rowStride(x - m_offsetX, y - m_offsetY);
}

References m_ktm, m_offsetX, m_offsetY, KisTiledDataManager::rowStride(), x(), and y().

◆ unlockOldTile()

void KisRandomAccessor2::unlockOldTile ( KisTileSP & tile )

inlineprivate

Definition at line 56 of file kis_random_accessor.h.

                                               {
        tile->unlockForRead();
    }

References KisTile::unlockForRead().

◆ unlockTile()

void KisRandomAccessor2::unlockTile ( KisTileSP & tile )

inlineprivate

Definition at line 48 of file kis_random_accessor.h.

                                            {
        if (m_writable) {
            tile->unlockForWrite();
        } else {
            tile->unlockForRead();
        }
    }

References m_writable, KisTile::unlockForRead(), and KisTile::unlockForWrite().

◆ x()

qint32 KisRandomAccessor2::x ( ) const

overridevirtual

Implements KisBaseConstAccessor.

Reimplemented in KisWrappedRandomAccessor.

Definition at line 144 of file kis_random_accessor.cc.

{
    return m_lastX;
}

References m_lastX.

◆ xToCol()

quint32 KisRandomAccessor2::xToCol ( quint32 x ) const

inlineprivate

Definition at line 60 of file kis_random_accessor.h.

                                           {
        return m_ktm ? m_ktm->xToCol(x) : 0;
    }

References m_ktm, x(), and KisTiledDataManager::xToCol().

◆ y()

qint32 KisRandomAccessor2::y ( ) const

overridevirtual

Implements KisBaseConstAccessor.

Reimplemented in KisWrappedRandomAccessor.

Definition at line 149 of file kis_random_accessor.cc.

{
    return m_lastY;
}

References m_lastY.

◆ yToRow()

quint32 KisRandomAccessor2::yToRow ( quint32 y ) const

inlineprivate

Definition at line 63 of file kis_random_accessor.h.

                                           {
        return m_ktm ? m_ktm->yToRow(y) : 0;
    }

References m_ktm, y(), and KisTiledDataManager::yToRow().

Member Data Documentation

◆ CACHESIZE

const quint32 KisRandomAccessor2::CACHESIZE = 4

staticprivate

Definition at line 92 of file kis_random_accessor.h.

◆ m_completeListener

KisIteratorCompleteListener* KisRandomAccessor2::m_completeListener

private

Definition at line 91 of file kis_random_accessor.h.

◆ m_data

quint8* KisRandomAccessor2::m_data

private

Definition at line 86 of file kis_random_accessor.h.

◆ m_ktm

KisTiledDataManager* KisRandomAccessor2::m_ktm

private

Definition at line 82 of file kis_random_accessor.h.

◆ m_lastX

int KisRandomAccessor2::m_lastX

private

Definition at line 89 of file kis_random_accessor.h.

◆ m_lastY

int KisRandomAccessor2::m_lastY

private

Definition at line 89 of file kis_random_accessor.h.

◆ m_offsetX

qint32 KisRandomAccessor2::m_offsetX

private

Definition at line 90 of file kis_random_accessor.h.

◆ m_offsetY

qint32 KisRandomAccessor2::m_offsetY

private

Definition at line 90 of file kis_random_accessor.h.

◆ m_oldData

const quint8* KisRandomAccessor2::m_oldData

private

Definition at line 87 of file kis_random_accessor.h.

◆ m_pixelSize

qint32 KisRandomAccessor2::m_pixelSize

private

Definition at line 85 of file kis_random_accessor.h.

◆ m_tilesCache

KisTileInfo** KisRandomAccessor2::m_tilesCache

private

Definition at line 83 of file kis_random_accessor.h.

◆ m_tilesCacheSize

quint32 KisRandomAccessor2::m_tilesCacheSize

private

Definition at line 84 of file kis_random_accessor.h.

◆ m_writable

bool KisRandomAccessor2::m_writable

private

Definition at line 88 of file kis_random_accessor.h.

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

libs/image/tiles3/kis_random_accessor.h
libs/image/tiles3/kis_random_accessor.cc

Classes

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ KisRandomAccessor2() [1/2]

◆ KisRandomAccessor2() [2/2]

◆ ~KisRandomAccessor2()

Member Function Documentation

◆ fetchTileData()

◆ lockOldTile()

◆ lockTile()

◆ moveTo()

◆ numContiguousColumns()

◆ numContiguousRows()

◆ oldRawData()

◆ rawData()

◆ rawDataConst()

◆ rowStride()

◆ unlockOldTile()

◆ unlockTile()

◆ x()

◆ xToCol()

◆ y()

◆ yToRow()

Member Data Documentation

◆ CACHESIZE

◆ m_completeListener

◆ m_data

◆ m_ktm

◆ m_lastX

◆ m_lastY

◆ m_offsetX

◆ m_offsetY

◆ m_oldData

◆ m_pixelSize

◆ m_tilesCache

◆ m_tilesCacheSize

◆ m_writable