KisMemoryStatisticsServer Class Reference

#include <kis_memory_statistics_server.h>

Inheritance diagram for KisMemoryStatisticsServer:

Classes
struct	Statistics

Public Slots
void	notifyImageChanged ()
void	tryForceUpdateMemoryStatisticsWhileIdle ()

Signals
void	sigUpdateMemoryStatistics ()

Public Member Functions
Statistics	fetchMemoryStatistics (KisImageSP image) const
	KisMemoryStatisticsServer ()
	Private (KisMemoryStatisticsServer *q)
	~KisMemoryStatisticsServer () override
Public Member Functions inherited from Private
	Private (KisCanvas2 *c)

Static Public Member Functions
static KisMemoryStatisticsServer *	instance ()

Public Attributes
KisSignalCompressor	updateCompressor
Public Attributes inherited from Private
KisCanvas2 *	canvas
int	displayedFrame
int	intendedFrame

Private Attributes
const QScopedPointer< Private >	m_d

Detailed Description

Definition at line 20 of file kis_memory_statistics_server.cpp.

Constructor & Destructor Documentation

KisMemoryStatisticsServer()

KisMemoryStatisticsServer::KisMemoryStatisticsServer

(

)

The first instance() call may happen from non-gui thread, so we should ensure the signals and timers are running in the correct (GUI) thread.

Definition at line 31 of file kis_memory_statistics_server.cpp.

    : m_d(new Private(this))
{
    moveToThread(qApp->thread());
    connect(&m_d->updateCompressor, SIGNAL(timeout()), SIGNAL(sigUpdateMemoryStatistics()));
}

References connect(), m_d, and sigUpdateMemoryStatistics().

~KisMemoryStatisticsServer()

KisMemoryStatisticsServer::~KisMemoryStatisticsServer ( )

override

Definition at line 43 of file kis_memory_statistics_server.cpp.

{
}

Member Function Documentation

fetchMemoryStatistics()

KisMemoryStatisticsServer::Statistics KisMemoryStatisticsServer::fetchMemoryStatistics

(

KisImageSP

image

)

const

Definition at line 128 of file kis_memory_statistics_server.cpp.

{
    KisTileDataStore::MemoryStatistics tileStats =
        KisTileDataStore::instance()->memoryStatistics();
 
    Statistics stats;
    if (image) {
        stats.imageSize =
            calculateNodeMemoryHiBound(image->root(),
                                       stats.layersSize,
                                       stats.projectionsSize,
                                       stats.lodSize);
    }
    stats.totalMemorySize = tileStats.totalMemorySize;
    stats.realMemorySize = tileStats.realMemorySize;
    stats.historicalMemorySize = tileStats.historicalMemorySize;
    stats.poolSize = tileStats.poolSize;
 
    stats.swapSize = tileStats.swapSize;
 
    KisImageConfig cfg(true);
 
    stats.tilesHardLimit = cfg.tilesHardLimit() * MiB;
    stats.tilesSoftLimit = cfg.tilesSoftLimit() * MiB;
    stats.tilesPoolLimit = cfg.poolLimit() * MiB;
    stats.totalMemoryLimit = stats.tilesHardLimit + stats.tilesPoolLimit;
 
    return stats;
}

References calculateNodeMemoryHiBound(), KisMemoryStatisticsServer::Statistics::historicalMemorySize, KisTileDataStore::MemoryStatistics::historicalMemorySize, KisMemoryStatisticsServer::Statistics::imageSize, KisTileDataStore::instance(), KisMemoryStatisticsServer::Statistics::layersSize, KisMemoryStatisticsServer::Statistics::lodSize, KisTileDataStore::memoryStatistics(), MiB, KisImageConfig::poolLimit(), KisMemoryStatisticsServer::Statistics::poolSize, KisTileDataStore::MemoryStatistics::poolSize, KisMemoryStatisticsServer::Statistics::projectionsSize, KisMemoryStatisticsServer::Statistics::realMemorySize, KisTileDataStore::MemoryStatistics::realMemorySize, KisNodeFacade::root, KisMemoryStatisticsServer::Statistics::swapSize, KisTileDataStore::MemoryStatistics::swapSize, KisImageConfig::tilesHardLimit(), KisMemoryStatisticsServer::Statistics::tilesHardLimit, KisMemoryStatisticsServer::Statistics::tilesPoolLimit, KisImageConfig::tilesSoftLimit(), KisMemoryStatisticsServer::Statistics::tilesSoftLimit, KisMemoryStatisticsServer::Statistics::totalMemoryLimit, KisMemoryStatisticsServer::Statistics::totalMemorySize, and KisTileDataStore::MemoryStatistics::totalMemorySize.

instance()

KisMemoryStatisticsServer * KisMemoryStatisticsServer::instance ( )

static

Definition at line 47 of file kis_memory_statistics_server.cpp.

{
    return s_instance;
}

notifyImageChanged

void KisMemoryStatisticsServer::notifyImageChanged ( )

slot

Definition at line 164 of file kis_memory_statistics_server.cpp.

{
    m_d->updateCompressor.start();
}

References m_d.

Private()

KisMemoryStatisticsServer::Private ( KisMemoryStatisticsServer * q )

inline

Definition at line 22 of file kis_memory_statistics_server.cpp.

        : updateCompressor(1000 /* ms */, KisSignalCompressor::POSTPONE, q)
    {
    }

sigUpdateMemoryStatistics

void KisMemoryStatisticsServer::sigUpdateMemoryStatistics ( )

signal

tryForceUpdateMemoryStatisticsWhileIdle

void KisMemoryStatisticsServer::tryForceUpdateMemoryStatisticsWhileIdle ( )

slot

Definition at line 158 of file kis_memory_statistics_server.cpp.

{
    KisTileDataStore::instance()->tryForceUpdateMemoryStatisticsWhileIdle();
    notifyImageChanged();
}

References KisTileDataStore::instance(), notifyImageChanged(), and KisTileDataStore::tryForceUpdateMemoryStatisticsWhileIdle().

Member Data Documentation

m_d

const QScopedPointer<Private> KisMemoryStatisticsServer::m_d

private

Definition at line 81 of file kis_memory_statistics_server.h.

updateCompressor

KisSignalCompressor KisMemoryStatisticsServer::updateCompressor

Definition at line 27 of file kis_memory_statistics_server.cpp.

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

• libs/image/kis_memory_statistics_server.cpp
• libs/image/kis_memory_statistics_server.h