File indexing completed on 2024-05-19 04:26:29

 /*
  *  SPDX-FileCopyrightText: 2006 Cyrille Berger <cberger@cberger.net>
  *  SPDX-FileCopyrightText: 2010 Marc Pegon <pe.marc@free.fr>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #ifndef KIS_PERSPECTIVETRANSFORM_WORKER_H
 #define KIS_PERSPECTIVETRANSFORM_WORKER_H
 
 #include "kis_types.h"
 #include "kritaimage_export.h"
 
 #include <QRect>
 #include <KisRegion.h>
 #include <QTransform>
 #include <KoUpdater.h>
 
 
 class KRITAIMAGE_EXPORT KisPerspectiveTransformWorker
 {
 public:
     KisPerspectiveTransformWorker(KisPaintDeviceSP dev, QPointF center, double aX, double aY, double distance, bool cropDst, KoUpdaterPtr progress);
     KisPerspectiveTransformWorker(KisPaintDeviceSP dev, const QTransform &transform, bool cropDst, KoUpdaterPtr progress);
 
     ~KisPerspectiveTransformWorker();
 
     enum SampleType {
         NearestNeighbour = 0,
         Bilinear
     };
 
     void run(SampleType sampleType = Bilinear);
     void runPartialDst(KisPaintDeviceSP srcDev,
                        KisPaintDeviceSP dstDev,
                        const QRect &dstRect);
 
     void setForwardTransform(const QTransform &transform);
 
     QTransform forwardTransform() const;
     QTransform backwardTransform() const;
 
     bool forceSubPixelTranslation() const;
     void setForceSubPixelTranslation(bool value);
 
 private:
     void init(const QTransform &transform);
 
     void fillParams(const QRectF &srcRect,
                     const QRect &dstBaseClipRect,
                     KisRegion *dstRegion,
                     QPolygonF *dstClipPolygon);
 
     template <class SrcAccessorPolicy>
     void runImpl();
 
 private:
     KisPaintDeviceSP m_dev;
     KoUpdaterPtr m_progressUpdater;
     KisRegion m_dstRegion;
     QRectF m_srcRect;
     QTransform m_backwardTransform;
     QTransform m_forwardTransform;
     bool m_isIdentity;
     bool m_isTranslating;
     bool m_cropDst;
     bool m_forceSubPixelTranslation {false};
 };
 
 #endif