kis_selection_based_layer.h

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/*
 *  SPDX-FileCopyrightText: 2006 Boudewijn Rempt <boud@valdyas.org>
 *  SPDX-FileCopyrightText: 2009 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KIS_SELECTION_BASED_LAYER_H_
#define KIS_SELECTION_BASED_LAYER_H_
 
#include <QObject>
#include "kis_types.h"
#include "kis_layer.h"
#include "kis_indirect_painting_support.h"
#include <kritaimage_export.h>
#include "kis_node_filter_interface.h"
 
class KisFilterConfiguration;
 
class KRITAIMAGE_EXPORT KisSelectionBasedLayer : public KisLayer, public KisIndirectPaintingSupport, public KisNodeFilterInterface
{
    Q_OBJECT
 
public:
    KisSelectionBasedLayer(KisImageWSP image, const QString &name, KisSelectionSP selection, KisFilterConfigurationSP filterConfig);
    KisSelectionBasedLayer(const KisSelectionBasedLayer& rhs);
    ~KisSelectionBasedLayer() override;
 
 
    bool allowAsChild(KisNodeSP node) const override;
 
    void setImage(KisImageWSP image) override;
 
    KisPaintDeviceSP original() const override;
    KisPaintDeviceSP paintDevice() const override;
 
    bool needProjection() const override;
 
    virtual void resetCache(const KoColorSpace *colorSpace);
 
    using KisLayer::setDirty;
 
    void setDirty() override;
 
public:
 
    KisSelectionSP internalSelection() const;
 
    void setInternalSelection(KisSelectionSP selection);
 
    KisSelectionSP fetchComposedInternalSelection(const QRect &rect) const;
 
    qint32 x() const override;
 
    qint32 y() const override;
 
    void setX(qint32 x) override;
 
    void setY(qint32 y) override;
 
    bool supportsLodPainting() const override;
 
public:
 
    QRect extent() const override;
 
    QRect exactBounds() const override;
 
    QImage createThumbnail(qint32 w, qint32 h, Qt::AspectRatioMode aspectRatioMode = Qt::IgnoreAspectRatio) override;
 
    int thumbnailSeqNo() const override;
 
 
protected:
    // override from KisLayer
    void copyOriginalToProjection(const KisPaintDeviceSP original,
                                  KisPaintDeviceSP projection,
                                  const QRect& rect) const override;
    // override from KisNode
    QRect needRect(const QRect &rect, PositionToFilthy pos = N_FILTHY) const override;
 
protected:
    void initSelection();
 
    QRect cropChangeRectBySelection(const QRect &rect) const;
 
    void setUseSelectionInProjection(bool value) const;
 
    KisKeyframeChannel *requestKeyframeChannel(const QString &id) override;
    bool supportsKeyframeChannel(const QString &id) override;
 
 
public Q_SLOTS:
    void slotImageSizeChanged();
 
    KisLayer* layer() {
        return this;
    }
 
private:
    struct Private;
    Private * const m_d;
};
 
#endif /* KIS_SELECTION_BASED_LAYER_H_ */