WrappedVLineIteratorStrategy Class Reference

#include <kis_wrapped_vline_iterator.h>

Public Types
typedef KisVLineIteratorSP	IteratorTypeSP

Public Member Functions
QPoint	columnRowToXY (const QPoint &pt) const
void	completeInitialization (QVector< IteratorTypeSP > *iterators, KisWrappedRect *splitRect)
IteratorTypeSP	createIterator (KisDataManager *dataManager, const QRect &rc, qint32 offsetX, qint32 offsetY, bool writable, KisIteratorCompleteListener *completeListener)
void	iteratorsToNextRow ()
IteratorTypeSP	leftColumnIterator () const
QSize	originalRectToColumnsRows (const QRect &rect)
IteratorTypeSP	rightColumnIterator () const
bool	trySwitchColumnForced ()
bool	trySwitchIteratorStripe ()
	WrappedVLineIteratorStrategy ()

Private Attributes
int	m_iteratorColumnStart
QVector< IteratorTypeSP > *	m_iterators
int	m_lastColumnCoord
KisWrappedRect *	m_splitRect

Static Private Attributes
static const int	BOTTOM_OFFSET = 2
static const int	TOP_OFFSET = 0

Detailed Description

Definition at line 13 of file kis_wrapped_vline_iterator.h.

Member Typedef Documentation

IteratorTypeSP

typedef KisVLineIteratorSP WrappedVLineIteratorStrategy::IteratorTypeSP

Definition at line 20 of file kis_wrapped_vline_iterator.h.

Constructor & Destructor Documentation

WrappedVLineIteratorStrategy()

WrappedVLineIteratorStrategy::WrappedVLineIteratorStrategy ( )

inline

Definition at line 22 of file kis_wrapped_vline_iterator.h.

        : m_splitRect(0)
        , m_iteratorColumnStart(KisWrappedRect::TOPLEFT)
        , m_lastColumnCoord(-1)
    {
    }

Member Function Documentation

columnRowToXY()

QPoint WrappedVLineIteratorStrategy::columnRowToXY ( const QPoint & pt ) const

inline

Definition at line 33 of file kis_wrapped_vline_iterator.h.

                                                        {
        return QPoint(pt.y(), pt.x());
    }

completeInitialization()

void WrappedVLineIteratorStrategy::completeInitialization ( QVector< IteratorTypeSP > * iterators, KisWrappedRect * splitRect )

inline

Definition at line 51 of file kis_wrapped_vline_iterator.h.

                                                                  {
        m_splitRect = splitRect;
        m_iterators = iterators;
 
        m_lastColumnCoord = m_splitRect->topLeft().right();
    }

References m_iterators, m_lastColumnCoord, m_splitRect, and KisWrappedRect::topLeft().

createIterator()

IteratorTypeSP WrappedVLineIteratorStrategy::createIterator ( KisDataManager * dataManager, const QRect & rc, qint32 offsetX, qint32 offsetY, bool writable, KisIteratorCompleteListener * completeListener )

inline

Definition at line 37 of file kis_wrapped_vline_iterator.h.

                                                                                        {
 
        return new KisVLineIterator2(dataManager,
                                     rc.x(), rc.y(),
                                     rc.height(),
                                     offsetX, offsetY,
                                     writable,
                                     completeListener);
    }

iteratorsToNextRow()

void WrappedVLineIteratorStrategy::iteratorsToNextRow ( )

inline

Definition at line 91 of file kis_wrapped_vline_iterator.h.

                                     {
        leftColumnIterator()->nextColumn();
        if (rightColumnIterator()) {
            rightColumnIterator()->nextColumn();
        }
    }

References leftColumnIterator(), and rightColumnIterator().

leftColumnIterator()

IteratorTypeSP WrappedVLineIteratorStrategy::leftColumnIterator ( ) const

inline

Definition at line 59 of file kis_wrapped_vline_iterator.h.

                                                     {
        return m_iterators->at(m_iteratorColumnStart + TOP_OFFSET);
    }

References m_iteratorColumnStart, m_iterators, and TOP_OFFSET.

originalRectToColumnsRows()

QSize WrappedVLineIteratorStrategy::originalRectToColumnsRows ( const QRect & rect )

inline

Definition at line 29 of file kis_wrapped_vline_iterator.h.

                                                              {
        return QSize(rect.height(), rect.width());
    }

rightColumnIterator()

IteratorTypeSP WrappedVLineIteratorStrategy::rightColumnIterator ( ) const

inline

Definition at line 63 of file kis_wrapped_vline_iterator.h.

                                                      {
        return m_iterators->at(m_iteratorColumnStart + BOTTOM_OFFSET);
    }

References BOTTOM_OFFSET, m_iteratorColumnStart, and m_iterators.

trySwitchColumnForced()

bool WrappedVLineIteratorStrategy::trySwitchColumnForced ( )

inline

Definition at line 98 of file kis_wrapped_vline_iterator.h.

                                        {
        leftColumnIterator()->resetPixelPos();
        if (rightColumnIterator()) {
            rightColumnIterator()->resetPixelPos();
        }
 
        return true;
    }

References leftColumnIterator(), and rightColumnIterator().

trySwitchIteratorStripe()

bool WrappedVLineIteratorStrategy::trySwitchIteratorStripe ( )

inline

Definition at line 67 of file kis_wrapped_vline_iterator.h.

                                          {
        bool needSwitching = leftColumnIterator()->x() == m_lastColumnCoord;
 
            if (needSwitching) {
                if (m_iteratorColumnStart == KisWrappedRect::TOPLEFT &&
                    m_iterators->at(KisWrappedRect::TOPRIGHT)) {
 
                    m_iteratorColumnStart = KisWrappedRect::TOPRIGHT;
                    m_lastColumnCoord = m_splitRect->topRight().right();
                } else /* if (m_iteratorColumnStart == KisWrappedRect::TOPRIGHT) */ {
                    m_iteratorColumnStart = KisWrappedRect::TOPLEFT;
                    m_lastColumnCoord = m_splitRect->topLeft().right();
 
                    Q_FOREACH (IteratorTypeSP it, *m_iterators) {
                        if (it) {
                            it->resetColumnPos();
                        }
                    }
                }
            }
 
            return needSwitching;
    }

References leftColumnIterator(), m_iteratorColumnStart, m_iterators, m_lastColumnCoord, m_splitRect, KisWrappedRect::TOPLEFT, KisWrappedRect::topLeft(), KisWrappedRect::TOPRIGHT, and KisWrappedRect::topRight().

Member Data Documentation

BOTTOM_OFFSET

const int WrappedVLineIteratorStrategy::BOTTOM_OFFSET = 2

staticprivate

Definition at line 17 of file kis_wrapped_vline_iterator.h.

m_iteratorColumnStart

int WrappedVLineIteratorStrategy::m_iteratorColumnStart

private

Definition at line 110 of file kis_wrapped_vline_iterator.h.

m_iterators

QVector<IteratorTypeSP>* WrappedVLineIteratorStrategy::m_iterators

private

Definition at line 109 of file kis_wrapped_vline_iterator.h.

m_lastColumnCoord

int WrappedVLineIteratorStrategy::m_lastColumnCoord

private

Definition at line 111 of file kis_wrapped_vline_iterator.h.

m_splitRect

KisWrappedRect* WrappedVLineIteratorStrategy::m_splitRect

private

Definition at line 108 of file kis_wrapped_vline_iterator.h.

TOP_OFFSET

const int WrappedVLineIteratorStrategy::TOP_OFFSET = 0

staticprivate

Definition at line 16 of file kis_wrapped_vline_iterator.h.

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

• libs/image/kis_wrapped_vline_iterator.h