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/*
* Copyright (c) 2004 Michael Thaler <michael.thaler@physik.tu-muenchen.de>
* Copyright (c) 2005 Casper Boemann <cbr@boemann.dk>
*
* 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_TRANSFORM_WORKER_H_
#define KIS_TRANSFORM_WORKER_H_
#include "kis_types.h"
#include "kis_progress_subject.h"
class KisPaintDevice;
class KisProgressDisplayInterface;
class KisHLineIteratorPixel;
class KisVLineIteratorPixel;
class KisFilterStrategy;
class KisTransformWorker : public KisProgressSubject {
typedef KisProgressSubject super;
public:
KisTransformWorker(KisPaintDeviceSP dev, double xscale, double yscale,
double xshear, double yshear, double rotation,
TQ_INT32 xtranslate, TQ_INT32 ytranslate,
KisProgressDisplayInterface *progress, KisFilterStrategy *filter, bool fixBorderAlpha=false);
~KisTransformWorker();
public:
bool isCanceled() { return m_cancelRequested;};
bool run();
private:
// XXX (BSAR): Why didn't we use the shared-pointer versions of the paint device classes?
template <class T> void transformPass(KisPaintDevice *src, KisPaintDevice *dst, double xscale, double shear, TQ_INT32 dx, KisFilterStrategy *filterStrategy, bool fixBorderAlpha);
public:
void rotateNone(KisPaintDeviceSP src, KisPaintDeviceSP dst);
void rotateRight90(KisPaintDeviceSP src, KisPaintDeviceSP dst);
void rotateLeft90(KisPaintDeviceSP src, KisPaintDeviceSP dst);
void rotate180(KisPaintDeviceSP src, KisPaintDeviceSP dst);
private:
KisPaintDeviceSP m_dev;
double m_xscale, m_yscale;
double m_xshear, m_yshear, m_rotation;
TQ_INT32 m_xtranslate, m_ytranslate;
KisProgressDisplayInterface *m_progress;
KisFilterStrategy *m_filter;
// Implement KisProgressSubject
bool m_cancelRequested;
virtual void cancel() { m_cancelRequested = true; }
TQ_INT32 m_progressTotalSteps;
TQ_INT32 m_progressStep;
TQ_INT32 m_progressScaler;
TQ_INT32 m_lastProgressReport;
bool m_fixBorderAlpha;
};
inline KisTransformWorker::~KisTransformWorker()
{
}
#endif // KIS_TRANSFORM_VISITOR_H_
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