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82 lines
2.1 KiB
82 lines
2.1 KiB
/*
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* This file is part of the KDE project
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*
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* Copyright (c) 2005 Bart Coppens <kde@bartcoppens.be>
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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_IMAGE_RASTERED_CACHE_H_
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#define _KIS_IMAGE_RASTERED_CACHE_H_
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#include <tqobject.h>
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#include <tqvaluevector.h>
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#include <tqvaluelist.h>
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#include <tqtimer.h>
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#include <kis_paint_device.h>
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class KisView;
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class KisImageRasteredCache : public TQObject {
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TQ_OBJECT
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public:
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class Observer {
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public:
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virtual Observer* createNew(int x, int y, int w, int h) = 0;
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virtual void regionUpdated(KisPaintDeviceSP dev) = 0;
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virtual ~Observer() {}
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};
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KisImageRasteredCache(KisView* view, Observer* o);
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virtual ~KisImageRasteredCache();
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signals:
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void cacheUpdated();
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private slots:
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void imageUpdated(TQRect rc);
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void imageSizeChanged(TQ_INT32 w, TQ_INT32 h);
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void timeOut();
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private:
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class Element {
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public:
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Element(Observer* o) : observer(o), valid(true) {}
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Observer* observer;
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bool valid;
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};
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typedef TQValueVector< TQValueVector<Element*> > Raster;
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typedef TQValueList<Element*> Queue;
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void cleanUpElements();
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Observer* m_observer;
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Raster m_raster;
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Queue m_queue;
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TQTimer m_timer;
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int m_timeOutMSec;
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int m_rasterSize;
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int m_width, m_height;
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KisView * m_view;
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bool m_busy;
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KisPaintDeviceSP m_imageProjection;
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};
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#endif // _KIS_IMAGE_RASTERED_CACHE_H_
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