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/* This file is part of the KDE project
* Copyright (c) 2004 Cyrille Berger <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KIS_ITERATORS_PIXEL_H_
#define KIS_ITERATORS_PIXEL_H_
#include "kis_iterator.h"
#include "kis_iteratorpixeltrait.h"
/**
* The pixel iterators are high level iterarators. The lower level iterators merely return a pointer to some memory
* where a pixel begins; these iterators return KisPixels -- high-level representations of a pixel together with
* color model, profile and selectedness. You can access individual channels using the KisPixel [] operator, and .
*/
class KisHLineIteratorPixel : public KisHLineIterator, public KisIteratorPixelTrait <KisHLineIterator>
{
public:
KisHLineIteratorPixel( KisPaintDevice *ndevice, KisDataManager *dm, KisDataManager *sel_dm,
TQ_INT32 x , TQ_INT32 y , TQ_INT32 w, TQ_INT32 offsetx, TQ_INT32 offsety,
bool writable);
KisHLineIteratorPixel(const KisHLineIteratorPixel& rhs) : KisHLineIterator(rhs), KisIteratorPixelTrait<KisHLineIterator>(rhs)
{ m_offsetx = rhs.m_offsetx; m_offsety = rhs.m_offsety; }
KisHLineIteratorPixel& operator=(const KisHLineIteratorPixel& rhs)
{
KisHLineIterator::operator=(rhs);
KisIteratorPixelTrait<KisHLineIterator>::operator=(rhs);
m_offsetx = rhs.m_offsetx; m_offsety = rhs.m_offsety;
return *this;
}
inline KisHLineIteratorPixel & operator ++() { KisHLineIterator::operator++(); advance(1); return *this;}
inline KisHLineIteratorPixel & operator --() { KisHLineIterator::operator--(); retreat(); return *this;}
inline void nextRow() {
KisHLineIterator::nextRow();
if (m_selectionIterator) m_selectionIterator->nextRow();
}
/// Advances a number of pixels until it reaches the end of the line
KisHLineIteratorPixel & operator+=(int n) { KisHLineIterator::operator+=(n); advance(n); return *this; };
TQ_INT32 x() const { return KisHLineIterator::x() + m_offsetx; }
TQ_INT32 y() const { return KisHLineIterator::y() + m_offsety; }
TQ_INT32 nConseqHPixels() const {
if (m_selectionIterator) {
TQ_INT32 parent = KisHLineIteratorPixel::nConseqHPixels();
TQ_INT32 selection = m_selectionIterator->nConseqHPixels();
if (parent < selection)
return parent;
return selection;
}
return KisHLineIteratorPixel::nConseqHPixels();
}
protected:
TQ_INT32 m_offsetx, m_offsety;
};
class KisVLineIteratorPixel : public KisVLineIterator, public KisIteratorPixelTrait <KisVLineIterator>
{
public:
KisVLineIteratorPixel( KisPaintDevice *ndevice, KisDataManager *dm, KisDataManager *sel_dm,
TQ_INT32 xpos , TQ_INT32 ypos , TQ_INT32 height, TQ_INT32 offsetx, TQ_INT32 offsety,
bool writable);
KisVLineIteratorPixel(const KisVLineIteratorPixel& rhs) : KisVLineIterator(rhs), KisIteratorPixelTrait<KisVLineIterator>(rhs)
{ m_offsetx = rhs.m_offsetx; m_offsety = rhs.m_offsety; }
KisVLineIteratorPixel& operator=(const KisVLineIteratorPixel& rhs)
{
KisVLineIterator::operator=(rhs);
KisIteratorPixelTrait<KisVLineIterator>::operator=(rhs);
m_offsetx = rhs.m_offsetx; m_offsety = rhs.m_offsety;
return *this; }
inline KisVLineIteratorPixel & operator ++() { KisVLineIterator::operator++(); advance(1); return *this;}
inline void nextRow() {
KisVLineIterator::nextCol();
if (m_selectionIterator) m_selectionIterator->nextCol();
}
TQ_INT32 x() const { return KisVLineIterator::x() + m_offsetx; }
TQ_INT32 y() const { return KisVLineIterator::y() + m_offsety; }
protected:
TQ_INT32 m_offsetx, m_offsety;
};
class KisRectIteratorPixel : public KisRectIterator, public KisIteratorPixelTrait <KisRectIterator>
{
public:
KisRectIteratorPixel( KisPaintDevice *ndevice, KisDataManager *dm, KisDataManager *sel_dm,
TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h, TQ_INT32 offsetx, TQ_INT32 offsety,
bool writable);
KisRectIteratorPixel(const KisRectIteratorPixel& rhs) : KisRectIterator(rhs), KisIteratorPixelTrait<KisRectIterator>(rhs)
{ m_offsetx = rhs.m_offsetx; m_offsety = rhs.m_offsety; }
KisRectIteratorPixel& operator=(const KisRectIteratorPixel& rhs)
{
KisRectIterator::operator=(rhs);
KisIteratorPixelTrait<KisRectIterator>::operator=(rhs);
m_offsetx = rhs.m_offsetx; m_offsety = rhs.m_offsety;
return *this; }
inline KisRectIteratorPixel & operator ++() { KisRectIterator::operator++(); advance(1); return *this;}
TQ_INT32 x() const { return KisRectIterator::x() + m_offsetx; }
TQ_INT32 y() const { return KisRectIterator::y() + m_offsety; }
TQ_INT32 nConseqPixels() const {
if (m_selectionIterator) {
TQ_INT32 parent = KisRectIterator::nConseqPixels();
TQ_INT32 selection = m_selectionIterator->nConseqPixels();
if (parent < selection)
return parent;
return selection;
}
return KisRectIterator::nConseqPixels();
}
protected:
TQ_INT32 m_offsetx, m_offsety;
};
#endif
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