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/*
* Copyright (c) 2005, 2008 Cyrille Berger <cberger@cberger.net>
* Copyright (c) 2010 Edward Apap <schumifer@hotmail.com>
*
* 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_CONVOLUTION_WORKER_H
#define KIS_CONVOLUTION_WORKER_H
#include <KoUpdater.h>
#include "kis_paint_device.h"
#include "kis_iterator_ng.h"
#include "kis_repeat_iterators_pixel.h"
#include "kis_painter.h"
#include <QBitArray>
struct StandardIteratorFactory {
typedef KisHLineIteratorSP HLineIterator;
typedef KisVLineIteratorSP VLineIterator;
typedef KisHLineConstIteratorSP HLineConstIterator;
typedef KisVLineConstIteratorSP VLineConstIterator;
inline static KisHLineIteratorSP createHLineIterator(KisPaintDeviceSP src, qint32 x, qint32 y, qint32 w, const QRect&) {
return src->createHLineIteratorNG(x, y, w);
}
inline static KisVLineIteratorSP createVLineIterator(KisPaintDeviceSP src, qint32 x, qint32 y, qint32 h, const QRect&) {
return src->createVLineIteratorNG(x, y, h);
}
inline static KisHLineConstIteratorSP createHLineConstIterator(KisPaintDeviceSP src, qint32 x, qint32 y, qint32 w, const QRect&) {
return src->createHLineConstIteratorNG(x, y, w);
}
inline static KisVLineConstIteratorSP createVLineConstIterator(KisPaintDeviceSP src, qint32 x, qint32 y, qint32 h, const QRect&) {
return src->createVLineConstIteratorNG(x, y, h);
}
};
struct RepeatIteratorFactory {
typedef KisHLineIteratorSP HLineIterator;
typedef KisVLineIteratorSP VLineIterator;
typedef KisRepeatHLineConstIteratorSP HLineConstIterator;
typedef KisRepeatVLineConstIteratorSP VLineConstIterator;
inline static KisHLineIteratorSP createHLineIterator(KisPaintDeviceSP src, qint32 x, qint32 y, qint32 w, const QRect&) {
return src->createHLineIteratorNG(x, y, w);
}
inline static KisVLineIteratorSP createVLineIterator(KisPaintDeviceSP src, qint32 x, qint32 y, qint32 h, const QRect&) {
return src->createVLineIteratorNG(x, y, h);
}
inline static HLineConstIterator createHLineConstIterator(KisPaintDeviceSP src, qint32 x, qint32 y, qint32 w, const QRect& _dataRect) {
return src->createRepeatHLineConstIterator(x, y, w, _dataRect);
}
inline static VLineConstIterator createVLineConstIterator(KisPaintDeviceSP src, qint32 x, qint32 y, qint32 h, const QRect& _dataRect) {
return src->createRepeatVLineConstIterator(x, y, h, _dataRect);
}
};
template <class _IteratorFactory_>
class KisConvolutionWorker
{
public:
KisConvolutionWorker(KisPainter *painter, KoUpdater *progress)
{
m_painter = painter;
m_progress = progress;
}
virtual ~KisConvolutionWorker()
{
}
virtual void execute(const KisConvolutionKernelSP kernel, const KisPaintDeviceSP src, QPoint srcPos, QPoint dstPos, QSize areaSize, const QRect& dataRect) = 0;
protected:
QList<KoChannelInfo *> convolvableChannelList(const KisPaintDeviceSP src)
{
QBitArray painterChannelFlags = m_painter->channelFlags();
if (painterChannelFlags.isEmpty()) {
painterChannelFlags = QBitArray(src->colorSpace()->channelCount(), true);
}
Q_ASSERT(static_cast<quint32>(painterChannelFlags.size()) == src->colorSpace()->channelCount());
QList<KoChannelInfo *> channelInfo = src->colorSpace()->channels();
QList<KoChannelInfo *> convChannelList;
for (qint32 c = 0; c < channelInfo.count(); ++c) {
if (painterChannelFlags.testBit(c)) {
convChannelList.append(channelInfo[c]);
}
}
return convChannelList;
}
protected:
KisPainter* m_painter;
KoUpdater* m_progress;
};
#endif
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