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0001 /* This file is part of the KDE project 0002 * Copyright (c) 2009 Jan Hambrecht <jaham@gmx.net> 0003 * 0004 * This library is free software; you can redistribute it and/or 0005 * modify it under the terms of the GNU Lesser General Public 0006 * License as published by the Free Software Foundation; either 0007 * version 2.1 of the License, or (at your option) any later version. 0008 * 0009 * This library is distributed in the hope that it will be useful, 0010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 * Library General Public License for more details. 0013 * 0014 * You should have received a copy of the GNU Lesser General Public License 0015 * along with this library; see the file COPYING.LIB. If not, write to 0016 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 * Boston, MA 02110-1301, USA. 0018 */ 0019 0020 #ifndef KOFILTEREFFECTREGISTRY_H 0021 #define KOFILTEREFFECTREGISTRY_H 0022 0023 #include <KoGenericRegistry.h> 0024 #include <KoFilterEffectFactoryBase.h> 0025 0026 #include "flake_export.h" 0027 0028 class KoXmlElement; 0029 class KoFilterEffectLoadingContext; 0030 0031 class FLAKE_EXPORT KoFilterEffectRegistry : public KoGenericRegistry<KoFilterEffectFactoryBase*> 0032 { 0033 public: 0034 KoFilterEffectRegistry(); 0035 ~KoFilterEffectRegistry() override; 0036 0037 /** 0038 * Return the only instance of KoFilterEffectRegistry. 0039 * Creates an instance on the first call. 0040 */ 0041 static KoFilterEffectRegistry *instance(); 0042 0043 /** 0044 * Creates filter effect from given xml element. 0045 * @param element the xml element to load form 0046 * @param context the loading context 0047 * @return the created filter effect if successful, otherwise returns 0 0048 */ 0049 KoFilterEffect *createFilterEffectFromXml(const KoXmlElement &element, const KoFilterEffectLoadingContext &context); 0050 0051 private: 0052 0053 KoFilterEffectRegistry(const KoFilterEffectRegistry&); 0054 KoFilterEffectRegistry operator=(const KoFilterEffectRegistry&); 0055 void init(); 0056 0057 class Private; 0058 Private * const d; 0059 }; 0060 0061 #endif // KOFILTEREFFECTREGISTRY_H