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