KisMagneticLazyTiles Class Reference

#include <KisMagneticWorker.h>

Public Member Functions
KisPaintDeviceSP	device ()
void	filter (qreal radius, QRect &rect)
	KisMagneticLazyTiles (KisPaintDeviceSP dev)
QVector< QRect >	tiles ()

Private Attributes
KisPaintDeviceSP	m_dev
QVector< qreal >	m_radiusRecord
QVector< QRect >	m_tiles
QSize	m_tileSize
int	m_tilesPerRow

Detailed Description

Definition at line 15 of file KisMagneticWorker.h.

Constructor & Destructor Documentation

KisMagneticLazyTiles()

KisMagneticLazyTiles::KisMagneticLazyTiles

(

KisPaintDeviceSP

dev

)

Definition at line 138 of file KisMagneticWorker.cc.

{
    m_dev = KisPainter::convertToAlphaAsGray(dev);
    QSize s = dev->defaultBounds()->bounds().size();
    m_tileSize    = KritaUtils::optimalPatchSize();
    m_tilesPerRow = (int) std::ceil((double) s.width() / (double) m_tileSize.width());
    int tilesPerColumn = (int) std::ceil((double) s.height() / (double) m_tileSize.height());
    m_dev->setDefaultBounds(dev->defaultBounds());
 
    for (int i = 0; i < tilesPerColumn; i++) {
        for (int j = 0; j < m_tilesPerRow; j++) {
            int width  = std::min(s.width() - j * m_tileSize.width(), m_tileSize.width());
            int height = std::min(s.height() - i * m_tileSize.height(), m_tileSize.height());
            QRect temp(j *m_tileSize.width(), i *m_tileSize.height(), width, height);
            m_tiles.push_back(temp);
        }
    }
    m_radiusRecord = QVector<qreal>(m_tiles.size(), -1);
}

References KisDefaultBoundsBase::bounds(), KisPainter::convertToAlphaAsGray(), KisPaintDevice::defaultBounds(), m_dev, m_radiusRecord, m_tiles, m_tileSize, m_tilesPerRow, KritaUtils::optimalPatchSize(), and KisPaintDevice::setDefaultBounds().

Member Function Documentation

device()

KisPaintDeviceSP KisMagneticLazyTiles::device ( )

inline

Definition at line 26 of file KisMagneticWorker.h.

{ return m_dev; }

References m_dev.

filter()

void KisMagneticLazyTiles::filter	(	qreal	radius,
		QRect &	rect )

Definition at line 158 of file KisMagneticWorker.cc.

{
    auto divide = [](QPoint p, QSize s){
                      return QPoint(p.x() / s.width(), p.y() / s.height());
                  };
 
    QPoint firstTile = divide(rect.topLeft(), m_tileSize);
    QPoint lastTile  = divide(rect.bottomRight(), m_tileSize);
    for (int i = firstTile.y(); i <= lastTile.y(); i++) {
        for (int j = firstTile.x(); j <= lastTile.x(); j++) {
            int currentTile = i * m_tilesPerRow + j;
            if (currentTile < m_tiles.size()
                    && currentTile < m_radiusRecord.size()
                    && radius != m_radiusRecord[currentTile]) {
                QRect bounds = m_tiles[currentTile];
                KisGaussianKernel::applyTightLoG(m_dev, bounds, radius, -1.0, QBitArray(), nullptr);
                KisLazyFillTools::normalizeAlpha8Device(m_dev, bounds);
                m_radiusRecord[currentTile] = radius;
            }
        }
    }
}

References KisGaussianKernel::applyTightLoG(), bounds, m_dev, m_radiusRecord, m_tiles, m_tileSize, m_tilesPerRow, KisLazyFillTools::normalizeAlpha8Device(), and p.

tiles()

QVector< QRect > KisMagneticLazyTiles::tiles ( )

inline

Definition at line 27 of file KisMagneticWorker.h.

{ return m_tiles; }

References m_tiles.

Member Data Documentation

m_dev

KisPaintDeviceSP KisMagneticLazyTiles::m_dev

private

Definition at line 19 of file KisMagneticWorker.h.

m_radiusRecord

QVector<qreal> KisMagneticLazyTiles::m_radiusRecord

private

Definition at line 18 of file KisMagneticWorker.h.

m_tiles

QVector<QRect> KisMagneticLazyTiles::m_tiles

private

Definition at line 17 of file KisMagneticWorker.h.

m_tileSize

QSize KisMagneticLazyTiles::m_tileSize

private

Definition at line 20 of file KisMagneticWorker.h.

m_tilesPerRow

int KisMagneticLazyTiles::m_tilesPerRow

private

Definition at line 21 of file KisMagneticWorker.h.

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

• plugins/tools/selectiontools/KisMagneticWorker.h
• plugins/tools/selectiontools/KisMagneticWorker.cc