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142 lines
4.3 KiB
142 lines
4.3 KiB
/*
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* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
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* Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
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* Copyright (c) 2004 Clarence Dang <dang@kde.org>
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* Copyright (c) 2004 Adrian Page <adrian@pagenet.plus.com>
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* Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef KIS_PAINTOP_H_
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#define KIS_PAINTOP_H_
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#include <tqstring.h>
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#include <ksharedptr.h>
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#include <tdelocale.h>
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#include "kis_global.h"
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#include "kis_types.h"
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#include "kis_id.h"
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#include "kis_vec.h"
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#include "kis_colorspace.h"
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#include <koffice_export.h>
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class KisPoint;
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class KisAlphaMask;
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class KisPainter;
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class KisColorSpace;
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class KisInputDevice;
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class TQWidget;
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/**
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* This class keeps information that can be used in the painting process, for example by
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* brushes.
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**/
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class KRITACORE_EXPORT KisPaintInformation {
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public:
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KisPaintInformation(double pressure = PRESSURE_DEFAULT,
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double xTilt = 0.0, double yTilt = 0.0,
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KisVector2D movement = KisVector2D())
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: pressure(pressure), xTilt(xTilt), yTilt(yTilt), movement(movement) {}
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double pressure;
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double xTilt;
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double yTilt;
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KisVector2D movement;
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};
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class KRITACORE_EXPORT KisPaintOp : public TDEShared
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{
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public:
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KisPaintOp(KisPainter * painter);
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virtual ~KisPaintOp();
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virtual void paintAt(const KisPoint &pos, const KisPaintInformation& info) = 0;
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void setSource(KisPaintDeviceSP p);
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/**
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* Whether this paintop wants to deposit paint even when not moving, i.e. the
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* tool needs to activate its timer.
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*/
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virtual bool incremental() { return false; }
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protected:
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virtual KisPaintDeviceSP computeDab(KisAlphaMaskSP mask);
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virtual KisPaintDeviceSP computeDab(KisAlphaMaskSP mask, KisColorSpace *cs);
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/**
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* Split the coordinate into whole + fraction, where fraction is always >= 0.
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*/
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virtual void splitCoordinate(double coordinate, TQ_INT32 *whole, double *fraction);
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KisPainter * m_painter;
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KisPaintDeviceSP m_source; // use this layer as source layer for the operation
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private:
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KisPaintDeviceSP m_dab;
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};
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class KisPaintOpSettings {
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public:
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KisPaintOpSettings(TQWidget *parent) { Q_UNUSED(parent); }
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virtual ~KisPaintOpSettings() {}
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virtual TQWidget *widget() const { return 0; }
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};
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/**
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* The paintop factory is responsible for creating paintops of the specified class.
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* If there is an optionWidget, the derived paintop itself must support settings,
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* and it's up to the factory to do that.
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*/
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class KisPaintOpFactory : public TDEShared
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{
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public:
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KisPaintOpFactory() {}
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virtual ~KisPaintOpFactory() {}
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virtual KisPaintOp * createOp(const KisPaintOpSettings *settings, KisPainter * painter) = 0;
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virtual KisID id() { return KisID("abstractpaintop", i18n("Abstract PaintOp")); }
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/**
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* The filename of the pixmap we can use to represent this paintop in the ui.
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*/
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virtual TQString pixmap() { return ""; }
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/**
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* Whether this paintop is internal to a certain tool or can be used
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* in various tools. If false, it won't show up in the toolchest.
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* The KisColorSpace argument can be used when certain paintops only support a specific cs
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*/
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virtual bool userVisible(KisColorSpace * cs = 0) { return cs->id() != KisID("WET", ""); }
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/**
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* Create and return an (abstracted) widget with options for this paintop when used with the
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* specified input device. Return 0 if there are no settings available for the given
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* device.
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*/
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virtual KisPaintOpSettings* settings(TQWidget* parent, const KisInputDevice& inputDevice);
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};
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#endif // KIS_PAINTOP_H_
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