KisTiledExtentManager Class Reference

#include <KisTiledExtentManager.h>

Classes
class	Data

Public Member Functions
void	clear ()
QRect	extent () const
	KisTiledExtentManager ()
void	notifyTileAdded (qint32 col, qint32 row)
void	notifyTileRemoved (qint32 col, qint32 row)
void	replaceTileStats (const QVector< QPoint > &indexes)

Private Member Functions
void	updateExtent ()

Private Attributes
Data	m_colsData
QRect	m_currentExtent
QReadWriteLock	m_extentLock
Data	m_rowsData

Static Private Attributes
static const qint32	InitialBufferSize = 256

Friends
class	KisTiledDataManagerTest

Detailed Description

Definition at line 17 of file KisTiledExtentManager.h.

Constructor & Destructor Documentation

KisTiledExtentManager()

KisTiledExtentManager::KisTiledExtentManager

(

)

Definition at line 245 of file KisTiledExtentManager.cpp.

{
    QWriteLocker l(&m_extentLock);
    m_currentExtent = QRect();
}

References m_currentExtent, and m_extentLock.

Member Function Documentation

clear()

void KisTiledExtentManager::clear

(

)

Definition at line 290 of file KisTiledExtentManager.cpp.

{
    m_colsData.clear();
    m_rowsData.clear();
 
    QWriteLocker lock(&m_extentLock);
    m_currentExtent = QRect();
}

References KisTiledExtentManager::Data::clear(), m_colsData, m_currentExtent, m_extentLock, and m_rowsData.

extent()

QRect KisTiledExtentManager::extent

(

)

const

Definition at line 299 of file KisTiledExtentManager.cpp.

{
    QReadLocker lock(&m_extentLock);
    return m_currentExtent;
}

References m_currentExtent, and m_extentLock.

notifyTileAdded()

void KisTiledExtentManager::notifyTileAdded	(	qint32	col,
		qint32	row )

Definition at line 251 of file KisTiledExtentManager.cpp.

{
    bool needsUpdateExtent = false;
 
    needsUpdateExtent |= m_colsData.add(col);
    needsUpdateExtent |= m_rowsData.add(row);
 
    if (needsUpdateExtent) {
        updateExtent();
    }
}

References KisTiledExtentManager::Data::add(), m_colsData, m_rowsData, and updateExtent().

notifyTileRemoved()

void KisTiledExtentManager::notifyTileRemoved	(	qint32	col,
		qint32	row )

Definition at line 263 of file KisTiledExtentManager.cpp.

{
    bool needsUpdateExtent = false;
 
    needsUpdateExtent |= m_colsData.remove(col);
    needsUpdateExtent |= m_rowsData.remove(row);
 
    if (needsUpdateExtent) {
        updateExtent();
    }
}

References m_colsData, m_rowsData, KisTiledExtentManager::Data::remove(), and updateExtent().

replaceTileStats()

void KisTiledExtentManager::replaceTileStats

(

const QVector< QPoint > &

indexes

)

Definition at line 275 of file KisTiledExtentManager.cpp.

{
    QVector<qint32> colsIndexes;
    QVector<qint32> rowsIndexes;
 
    Q_FOREACH (const QPoint &index, indexes) {
        colsIndexes.append(index.x());
        rowsIndexes.append(index.y());
    }
 
    m_colsData.replace(colsIndexes);
    m_rowsData.replace(rowsIndexes);
    updateExtent();
}

References m_colsData, m_rowsData, KisTiledExtentManager::Data::replace(), and updateExtent().

updateExtent()

void KisTiledExtentManager::updateExtent ( )

private

Definition at line 305 of file KisTiledExtentManager.cpp.

{
    qint32 minX, width, minY, height;
 
    {
        QReadLocker cl(&m_colsData.m_extentLock);
 
        if (m_colsData.isEmpty()) {
            minX = 0;
            width = 0;
        } else {
            minX = m_colsData.min() * KisTileData::WIDTH;
            width = (m_colsData.max() + 1) * KisTileData::WIDTH - minX;
        }
    }
 
    {
        QReadLocker rl(&m_rowsData.m_extentLock);
 
        if (m_rowsData.isEmpty()) {
            minY = 0;
            height = 0;
        } else {
            minY = m_rowsData.min() * KisTileData::HEIGHT;
            height = (m_rowsData.max() + 1) * KisTileData::HEIGHT - minY;
        }
    }
 
    QWriteLocker lock(&m_extentLock);
    m_currentExtent = QRect(minX, minY, width, height);
}

References KisTileData::HEIGHT, KisTiledExtentManager::Data::isEmpty(), m_colsData, m_currentExtent, KisTiledExtentManager::Data::m_extentLock, m_extentLock, m_rowsData, KisTiledExtentManager::Data::max(), KisTiledExtentManager::Data::min(), and KisTileData::WIDTH.

Friends And Related Symbol Documentation

KisTiledDataManagerTest

friend class KisTiledDataManagerTest

friend

Definition at line 66 of file KisTiledExtentManager.h.

Member Data Documentation

InitialBufferSize

const qint32 KisTiledExtentManager::InitialBufferSize = 256

staticprivate

Definition at line 19 of file KisTiledExtentManager.h.

m_colsData

Data KisTiledExtentManager::m_colsData

private

Definition at line 71 of file KisTiledExtentManager.h.

m_currentExtent

QRect KisTiledExtentManager::m_currentExtent

private

Definition at line 70 of file KisTiledExtentManager.h.

m_extentLock

QReadWriteLock KisTiledExtentManager::m_extentLock

mutableprivate

Definition at line 69 of file KisTiledExtentManager.h.

m_rowsData

Data KisTiledExtentManager::m_rowsData

private

Definition at line 72 of file KisTiledExtentManager.h.

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

• libs/image/tiles3/KisTiledExtentManager.h
• libs/image/tiles3/KisTiledExtentManager.cpp