kis_paintop.h

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/*
 *  SPDX-FileCopyrightText: 2002 Patrick Julien <freak@codepimps.org>
 *  SPDX-FileCopyrightText: 2004 Boudewijn Rempt <boud@valdyas.org>
 *  SPDX-FileCopyrightText: 2004 Clarence Dang <dang@kde.org>
 *  SPDX-FileCopyrightText: 2004 Adrian Page <adrian@pagenet.plus.com>
 *  SPDX-FileCopyrightText: 2004, 2010 Cyrille Berger <cberger@cberger.net>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KIS_PAINTOP_H_
#define KIS_PAINTOP_H_
 
#include <kis_distance_information.h>
#include "kis_shared.h"
#include "kis_types.h"
 
#include <kritaimage_export.h>
 
class QPointF;
class KoColorSpace;
 
class KisPainter;
class KisPaintInformation;
class KisRunnableStrokeJobData;
 
class KRITAIMAGE_EXPORT KisPaintOp : public KisShared
{
    struct Private;
public:
 
    KisPaintOp(KisPainter * painter);
    virtual ~KisPaintOp();
 
    void paintAt(const KisPaintInformation& info, KisDistanceInformation *currentDistance);
 
    void updateSpacing(const KisPaintInformation &info, KisDistanceInformation &currentDistance)
        const;
 
    void updateTiming(const KisPaintInformation &info, KisDistanceInformation &currentDistance)
        const;
 
    virtual void paintLine(const KisPaintInformation &pi1,
                           const KisPaintInformation &pi2,
                           KisDistanceInformation *currentDistance);
 
    virtual void paintBezierCurve(const KisPaintInformation &pi1,
                                  const QPointF &control1,
                                  const QPointF &control2,
                                  const KisPaintInformation &pi2,
                                  KisDistanceInformation *currentDistance
                                  );
 
    virtual bool canPaint() const {
        return true;
    }
 
    static void splitCoordinate(qreal coordinate, qint32 *whole, qreal *fraction);
 
    virtual std::pair<int, bool> doAsynchronousUpdate(QVector<KisRunnableStrokeJobData*> &jobs);
 
protected:
    friend class KisPaintInformation;
    virtual KisSpacingInformation paintAt(const KisPaintInformation& info) = 0;
 
    virtual KisSpacingInformation updateSpacingImpl(const KisPaintInformation &info) const = 0;
 
    virtual KisTimingInformation updateTimingImpl(const KisPaintInformation &info) const;
 
    KisFixedPaintDeviceSP cachedDab();
    KisFixedPaintDeviceSP cachedDab(const KoColorSpace *cs);
 
    KisPainter* painter() const;
 
    KisPaintDeviceSP source() const;
 
private:
    friend class KisRotationOption;
    void setFanCornersInfo(bool fanCornersEnabled, qreal fanCornersStep);
 
private:
    Private* const d {nullptr};
};
 
 
#endif // KIS_PAINTOP_H_