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81 lines
2.5 KiB
81 lines
2.5 KiB
/*
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* copyright (c) 2004 Michael Thaler <michael.thaler@physik.tu-muenchen.de>
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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., 675 mass ave, cambridge, ma 02139, usa.
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*/
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#ifndef KIS_ROTATE_VISITOR_H_
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#define KIS_ROTATE_VISITOR_H_
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#include "kis_types.h"
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#include "kis_progress_subject.h"
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class TQRect;
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class KisPaintDevice;
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class KisProgressDisplayInterface;
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class KisRotateVisitor : public KisProgressSubject {
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typedef KisProgressSubject super;
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/* Structs for the image rescaling routine */
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public:
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KisRotateVisitor();
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~KisRotateVisitor();
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void visitKisPaintDevice(KisPaintDevice* dev);
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void rotate(double angle, bool rotateAboutImageCentre, KisProgressDisplayInterface *progress);
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void shear(double angleX, double angleY, KisProgressDisplayInterface *progress);
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private:
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KisPaintDeviceSP m_dev;
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// Implement KisProgressSubject
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bool m_cancelRequested;
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virtual void cancel() { m_cancelRequested = true; }
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void initProgress(TQ_INT32 totalSteps);
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void incrementProgress();
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void setProgressDone();
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KisProgressDisplayInterface *m_progress;
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TQ_INT32 m_progressStep;
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TQ_INT32 m_progressTotalSteps;
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TQ_INT32 m_lastProgressPerCent;
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KisPaintDeviceSP rotateRight90(KisPaintDeviceSP src);
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KisPaintDeviceSP rotateLeft90(KisPaintDeviceSP src);
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KisPaintDeviceSP rotate180(KisPaintDeviceSP src);
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KisPaintDeviceSP rotate(KisPaintDeviceSP src, double angle, KisPoint centreOfRotation);
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KisPaintDeviceSP xShear(KisPaintDeviceSP src, double shearX);
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KisPaintDeviceSP yShear(KisPaintDeviceSP src, double shearY);
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};
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inline KisRotateVisitor::KisRotateVisitor()
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{
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}
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inline KisRotateVisitor::~KisRotateVisitor()
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{
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}
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inline void KisRotateVisitor::visitKisPaintDevice(KisPaintDevice* dev)
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{
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m_dev = dev;
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}
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#endif // KIS_ROTATE_VISITOR_H_
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