KisTileOptimizedAccessor Class Reference

#include <kis_gap_map.h>

Public Member Functions
	KisTileOptimizedAccessor (KisPaintDeviceSP &paintDevice)
ALWAYS_INLINE quint8 *	rawData (int x, int y)
quint8 *	tileRawData (int tileX, int tileY)

Private Attributes
KisRandomAccessorSP	m_accessor
const quint32	m_pixelSize
QPoint	m_tile
quint8 *	m_tileRawData

Static Private Attributes
static constexpr int	TileSize = 64

Detailed Description

Definition at line 22 of file kis_gap_map.h.

Constructor & Destructor Documentation

KisTileOptimizedAccessor()

KisTileOptimizedAccessor::KisTileOptimizedAccessor ( KisPaintDeviceSP & paintDevice )

inline

Definition at line 25 of file kis_gap_map.h.

        : m_pixelSize(paintDevice->pixelSize())
        , m_accessor(paintDevice->createRandomAccessorNG())
        , m_tile(-1, -1)
        , m_tileRawData(nullptr)
    {
      // We start in an invalid state ((-1,-1) tile), so that the data pointer is fetched
      // after the paint device has been set up (e.g. default color and fill).
    }

Member Function Documentation

rawData()

ALWAYS_INLINE quint8 * KisTileOptimizedAccessor::rawData ( int x, int y )

inline

Definition at line 53 of file kis_gap_map.h.

    {
        const int tileX = x / TileSize;
        const int tileY = y / TileSize;
        const int localX = x & (TileSize - 1);
        const int localY = y & (TileSize - 1);
 
        m_tileRawData = tileRawData(tileX, tileY);
 
        return m_tileRawData + m_pixelSize * (localX + TileSize * localY);
    }

References m_pixelSize, m_tileRawData, tileRawData(), and TileSize.

tileRawData()

quint8 * KisTileOptimizedAccessor::tileRawData ( int tileX, int tileY )

inline

Definition at line 35 of file kis_gap_map.h.

    {
        if ((m_tile.x() != tileX) || (m_tile.y() != tileY)) {
            m_accessor->moveTo(tileX * TileSize, tileY * TileSize);
            m_tileRawData = m_accessor->rawData();
 
            m_tile.setX(tileX);
            m_tile.setY(tileY);
 
#if KIS_GAP_MAP_DEBUG_LOGGING_AND_ASSERTS
            KIS_ASSERT(m_accessor->numContiguousRows(tileY * TileSize) == TileSize);
            KIS_ASSERT(m_accessor->numContiguousColumns(tileX * TileSize) == TileSize);
#endif
        }
 
        return m_tileRawData;
    }

References KIS_ASSERT, m_accessor, m_tile, m_tileRawData, KisRandomConstAccessorNG::moveTo(), KisRandomConstAccessorNG::numContiguousColumns(), KisRandomConstAccessorNG::numContiguousRows(), KisBaseAccessor::rawData(), and TileSize.

Member Data Documentation

m_accessor

KisRandomAccessorSP KisTileOptimizedAccessor::m_accessor

private

Definition at line 70 of file kis_gap_map.h.

m_pixelSize

const quint32 KisTileOptimizedAccessor::m_pixelSize

private

Definition at line 68 of file kis_gap_map.h.

m_tile

QPoint KisTileOptimizedAccessor::m_tile

private

Definition at line 71 of file kis_gap_map.h.

m_tileRawData

quint8* KisTileOptimizedAccessor::m_tileRawData

private

Definition at line 72 of file kis_gap_map.h.

TileSize

constexpr int KisTileOptimizedAccessor::TileSize = 64

staticconstexprprivate

Definition at line 66 of file kis_gap_map.h.

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

• libs/image/floodfill/kis_gap_map.h