WrappedHLineIteratorStrategy Class Reference

#include <kis_wrapped_hline_iterator.h>

Public Types
typedef KisHLineIteratorSP	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 *listener)
void	iteratorsToNextRow ()
IteratorTypeSP	leftColumnIterator () const
QSize	originalRectToColumnsRows (const QRect &rect)
IteratorTypeSP	rightColumnIterator () const
bool	trySwitchColumnForced ()
bool	trySwitchIteratorStripe ()
	WrappedHLineIteratorStrategy ()

Private Attributes
int	m_iteratorRowStart
QVector< IteratorTypeSP > *	m_iterators
int	m_lastRowCoord
KisWrappedRect *	m_splitRect

Detailed Description

Definition at line 14 of file kis_wrapped_hline_iterator.h.

Member Typedef Documentation

IteratorTypeSP

typedef KisHLineIteratorSP WrappedHLineIteratorStrategy::IteratorTypeSP

Definition at line 17 of file kis_wrapped_hline_iterator.h.

Constructor & Destructor Documentation

WrappedHLineIteratorStrategy()

WrappedHLineIteratorStrategy::WrappedHLineIteratorStrategy ( )

inline

Definition at line 19 of file kis_wrapped_hline_iterator.h.

        : m_splitRect(0)
        , m_iteratorRowStart(KisWrappedRect::TOPLEFT)
        , m_lastRowCoord(-1)
    {
    }

Member Function Documentation

columnRowToXY()

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

inline

Definition at line 30 of file kis_wrapped_hline_iterator.h.

                                                        {
        return pt;
    }

completeInitialization()

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

inline

Definition at line 48 of file kis_wrapped_hline_iterator.h.

                                                                  {
        m_splitRect = splitRect;
        m_iterators = iterators;
 
        m_lastRowCoord = m_splitRect->topLeft().bottom();
    }

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

createIterator()

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

inline

Definition at line 34 of file kis_wrapped_hline_iterator.h.

                                                                                {
 
        return new KisHLineIterator2(dataManager,
                                     rc.x(), rc.y(),
                                     rc.width(),
                                     offsetX, offsetY,
                                     writable,
                                     listener);
    }

iteratorsToNextRow()

void WrappedHLineIteratorStrategy::iteratorsToNextRow ( )

inline

Definition at line 88 of file kis_wrapped_hline_iterator.h.

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

References leftColumnIterator(), and rightColumnIterator().

leftColumnIterator()

IteratorTypeSP WrappedHLineIteratorStrategy::leftColumnIterator ( ) const

inline

Definition at line 56 of file kis_wrapped_hline_iterator.h.

                                                     {
        return m_iterators->at(m_iteratorRowStart + KisWrappedRect::TOPLEFT);
    }

References m_iteratorRowStart, m_iterators, and KisWrappedRect::TOPLEFT.

originalRectToColumnsRows()

QSize WrappedHLineIteratorStrategy::originalRectToColumnsRows ( const QRect & rect )

inline

Definition at line 26 of file kis_wrapped_hline_iterator.h.

                                                              {
        return rect.size();
    }

rightColumnIterator()

IteratorTypeSP WrappedHLineIteratorStrategy::rightColumnIterator ( ) const

inline

Definition at line 60 of file kis_wrapped_hline_iterator.h.

                                                      {
        return m_iterators->at(m_iteratorRowStart + KisWrappedRect::TOPRIGHT);
    }

References m_iteratorRowStart, m_iterators, and KisWrappedRect::TOPRIGHT.

trySwitchColumnForced()

bool WrappedHLineIteratorStrategy::trySwitchColumnForced ( )

inline

Definition at line 95 of file kis_wrapped_hline_iterator.h.

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

References leftColumnIterator(), and rightColumnIterator().

trySwitchIteratorStripe()

bool WrappedHLineIteratorStrategy::trySwitchIteratorStripe ( )

inline

Definition at line 64 of file kis_wrapped_hline_iterator.h.

                                          {
        bool needSwitching = leftColumnIterator()->y() == m_lastRowCoord;
 
        if (needSwitching) {
            if (m_iteratorRowStart == KisWrappedRect::TOPLEFT &&
                m_iterators->at(KisWrappedRect::BOTTOMLEFT)) {
 
                m_iteratorRowStart = KisWrappedRect::BOTTOMLEFT;
                m_lastRowCoord = m_splitRect->bottomLeft().bottom();
            } else /* if (m_iteratorRowStart == KisWrappedRect::BOTTOMLEFT) */ {
                m_iteratorRowStart = KisWrappedRect::TOPLEFT;
                m_lastRowCoord = m_splitRect->topLeft().bottom();
 
                Q_FOREACH (IteratorTypeSP it, *m_iterators) {
                    if (it) {
                        it->resetRowPos();
                    }
                }
            }
        }
 
        return needSwitching;
    }

References KisWrappedRect::BOTTOMLEFT, KisWrappedRect::bottomLeft(), leftColumnIterator(), m_iteratorRowStart, m_iterators, m_lastRowCoord, m_splitRect, KisWrappedRect::TOPLEFT, and KisWrappedRect::topLeft().

Member Data Documentation

m_iteratorRowStart

int WrappedHLineIteratorStrategy::m_iteratorRowStart

private

Definition at line 106 of file kis_wrapped_hline_iterator.h.

m_iterators

QVector<IteratorTypeSP>* WrappedHLineIteratorStrategy::m_iterators

private

Definition at line 105 of file kis_wrapped_hline_iterator.h.

m_lastRowCoord

int WrappedHLineIteratorStrategy::m_lastRowCoord

private

Definition at line 107 of file kis_wrapped_hline_iterator.h.

m_splitRect

KisWrappedRect* WrappedHLineIteratorStrategy::m_splitRect

private

Definition at line 104 of file kis_wrapped_hline_iterator.h.

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

• libs/image/kis_wrapped_hline_iterator.h