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/*
* Copyright (c) 2006 Boudewijn Rempt
*
* this program is free software; you can redistribute it and/or modify
* it under the terms of the gnu general public license as published by
* the free software foundation; either version 2 of the license, or
* (at your option) any later version.
*
* this program is distributed in the hope that it will be useful,
* but without any warranty; without even the implied warranty of
* merchantability or fitness for a particular purpose. see the
* gnu general public license for more details.
*
* you should have received a copy of the gnu general public license
* along with this program; if not, write to the free software
* foundation, inc., 675 mass ave, cambridge, ma 02139, usa.
*/
#ifndef KIS_ADJUSTMENT_LAYER_H_
#define KIS_ADJUSTMENT_LAYER_H_
#include <tqobject.h>
#include "kis_types.h"
#include "kis_layer_visitor.h"
#include "kis_composite_op.h"
#include <koffice_export.h>
class KNamedCommand;
class TQPainter;
class KisUndoAdapter;
class KisGroupLayer;
class KisFilterConfiguration;
/**
* Class that contains a KisFilter and optionally a KisSelection. The combination
* is used by to influence the rendering of the layers under this layer in the
* layerstack
**/
class KRITACORE_EXPORT KisAdjustmentLayer : public KisLayer, public KisLayerSupportsIndirectPainting
{
Q_OBJECT
public:
/**
* Create a new adjustment layer with the given configuration and selection.
* Note that the selection will be _copied_.
*/
KisAdjustmentLayer(KisImageSP img, const TQString &name, KisFilterConfiguration * kfc, KisSelectionSP selection);
KisAdjustmentLayer(const KisAdjustmentLayer& rhs);
virtual ~KisAdjustmentLayer();
/// Return a copy of this layer
virtual KisLayerSP clone() const;
public:
KisFilterConfiguration * filter();
void setFilter(KisFilterConfiguration * filterConfig);
KisSelectionSP selection();
/// Set the selction of this adjustment layer to a copy of selection.
void setSelection(KisSelectionSP selection);
/// Clears the selection (doesn't call any of the update or dirty methods)
void clearSelection();
virtual void paintSelection(TQImage &img, TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h);
virtual void paintSelection(TQImage &img, const TQRect& scaledImageRect, const TQSize& scaledImageSize, const TQSize& imageSize);
public:
virtual TQ_INT32 x() const;
virtual void setX(TQ_INT32);
virtual TQ_INT32 y() const;
virtual void setY(TQ_INT32);
/// Returns an approximation of where the bounds on actual data are in this layer
virtual TQRect extent() const;
/// Returns the exact bounds of where the actual data resides in this layer
virtual TQRect exactBounds() const;
virtual bool accept(KisLayerVisitor &);
virtual void resetCache();
virtual KisPaintDeviceSP cachedPaintDevice() { return m_cachedPaintDev; }
bool showSelection() const { return m_showSelection; }
void setSelection(bool b) { m_showSelection = b; }
virtual TQImage createThumbnail(TQ_INT32 w, TQ_INT32 h);
// KisLayerSupportsIndirectPainting
virtual KisLayer* layer() { return this; }
private:
bool m_showSelection;
KisFilterConfiguration * m_filterConfig;
KisSelectionSP m_selection;
KisPaintDeviceSP m_cachedPaintDev;
private slots:
void slotSelectionChanged(KisImageSP image);
};
#endif // KIS_ADJUSTMENT_LAYER_H_
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