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54 lines
1.9 KiB
54 lines
1.9 KiB
14 years ago
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/*
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* This file is part of Chalk
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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 _CACHED_HISTOGRAM_H_
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#define _CACHED_HISTOGRAM_H_
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#include <tqvaluevector.h>
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#include <kis_histogram_producer.h>
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#include "kis_imagerasteredcache.h"
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class KisCachedHistogramObserver : public KisImageRasteredCache::Observer {
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public:
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typedef TQValueVector<KisHistogramProducer*> Producers;
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KisCachedHistogramObserver(Producers* p, KisHistogramProducerFactory* f,
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int x, int y, int w, int h, bool add = true)
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: m_producers(p), m_factory(f), m_x(x), m_y(y), m_w(w), m_h(h)
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{
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m_producer = m_factory->generate();
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if (add)
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m_producers->append(m_producer);
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}
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virtual ~KisCachedHistogramObserver() {}
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virtual Observer* createNew(int x, int y, int w, int h)
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{ return new KisCachedHistogramObserver(m_producers, m_factory, x, y, w, h); }
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virtual void regionUpdated(KisPaintDeviceSP dev);
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private:
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Producers* m_producers;
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KisHistogramProducerFactory* m_factory;
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KisHistogramProducerSP m_producer;
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int m_x, m_y, m_w, m_h;
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};
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#endif // _CACHED_HISTOGRAM_H_
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