kis_safe_transform.h

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/*
 *  SPDX-FileCopyrightText: 2014 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __KIS_SAFE_TRANSFORM_H
#define __KIS_SAFE_TRANSFORM_H
 
#include <QScopedPointer>
 
#include "kritaimage_export.h"
 
class QTransform;
class QRect;
class QRectF;
class QPolygonF;
 
 
class KRITAIMAGE_EXPORT KisSafeTransform
{
public:
    KisSafeTransform(const QTransform &transform,
                     const QRect &bounds,
                     const QRect &srcInterestRect);
 
    ~KisSafeTransform();
 
    QPolygonF srcClipPolygon() const;
    QPolygonF dstClipPolygon() const;
 
    QPolygonF mapForward(const QPolygonF &p);
    QPolygonF mapBackward(const QPolygonF &p);
 
    QRectF mapRectForward(const QRectF &rc);
    QRectF mapRectBackward(const QRectF &rc);
 
    QRect mapRectForward(const QRect &rc);
    QRect mapRectBackward(const QRect &rc);
 
private:
    struct Private;
    const QScopedPointer<Private> m_d;
};
 
#endif /* __KIS_SAFE_TRANSFORM_H */