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/*
* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
* Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
* Copyright (c) 2004 Clarence Dang <dang@kde.org>
* Copyright (c) 2004 Adrian Page <adrian@pagenet.plus.com>
* Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KIS_PAINTOP_H_
#define KIS_PAINTOP_H_
#include <tqstring.h>
#include <ksharedptr.h>
#include <klocale.h>
#include "kis_global.h"
#include "kis_types.h"
#include "kis_id.h"
#include "kis_vec.h"
#include "kis_colorspace.h"
#include <koffice_export.h>
class KisPoint;
class KisAlphaMask;
class KisPainter;
class KisColorSpace;
class KisInputDevice;
class TQWidget;
/**
* This class keeps information that can be used in the painting process, for example by
* brushes.
**/
class KRITACORE_EXPORT KisPaintInformation {
public:
KisPaintInformation(double pressure = PRESSURE_DEFAULT,
double xTilt = 0.0, double yTilt = 0.0,
KisVector2D movement = KisVector2D())
: pressure(pressure), xTilt(xTilt), yTilt(yTilt), movement(movement) {}
double pressure;
double xTilt;
double yTilt;
KisVector2D movement;
};
class KRITACORE_EXPORT KisPaintOp : public TDEShared
{
public:
KisPaintOp(KisPainter * painter);
virtual ~KisPaintOp();
virtual void paintAt(const KisPoint &pos, const KisPaintInformation& info) = 0;
void setSource(KisPaintDeviceSP p);
/**
* Whether this paintop wants to deposit paint even when not moving, i.e. the
* tool needs to activate its timer.
*/
virtual bool incremental() { return false; }
protected:
virtual KisPaintDeviceSP computeDab(KisAlphaMaskSP mask);
virtual KisPaintDeviceSP computeDab(KisAlphaMaskSP mask, KisColorSpace *cs);
/**
* Split the coordinate into whole + fraction, where fraction is always >= 0.
*/
virtual void splitCoordinate(double coordinate, TQ_INT32 *whole, double *fraction);
KisPainter * m_painter;
KisPaintDeviceSP m_source; // use this layer as source layer for the operation
private:
KisPaintDeviceSP m_dab;
};
class KisPaintOpSettings {
public:
KisPaintOpSettings(TQWidget *parent) { Q_UNUSED(parent); }
virtual ~KisPaintOpSettings() {}
virtual TQWidget *widget() const { return 0; }
};
/**
* The paintop factory is responsible for creating paintops of the specified class.
* If there is an optionWidget, the derived paintop itself must support settings,
* and it's up to the factory to do that.
*/
class KisPaintOpFactory : public TDEShared
{
public:
KisPaintOpFactory() {}
virtual ~KisPaintOpFactory() {}
virtual KisPaintOp * createOp(const KisPaintOpSettings *settings, KisPainter * painter) = 0;
virtual KisID id() { return KisID("abstractpaintop", i18n("Abstract PaintOp")); }
/**
* The filename of the pixmap we can use to represent this paintop in the ui.
*/
virtual TQString pixmap() { return ""; }
/**
* Whether this paintop is internal to a certain tool or can be used
* in various tools. If false, it won't show up in the toolchest.
* The KisColorSpace argument can be used when certain paintops only support a specific cs
*/
virtual bool userVisible(KisColorSpace * cs = 0) { return cs->id() != KisID("WET", ""); }
/**
* Create and return an (abstracted) widget with options for this paintop when used with the
* specified input device. Return 0 if there are no settings available for the given
* device.
*/
virtual KisPaintOpSettings* settings(TQWidget* parent, const KisInputDevice& inputDevice);
};
#endif // KIS_PAINTOP_H_
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