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quillimagefilterimplementation.h

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00001 /****************************************************************************
00002 **
00003 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
00004 ** Contact: Alexander Bokovoy <alexander.bokovoy@nokia.com>
00005 **
00006 ** This file is part of the Quill Image Filters package.
00007 **
00008 ** Commercial Usage
00009 ** Licensees holding valid Qt Commercial licenses may use this file in
00010 ** accordance with the Qt Commercial License Agreement provided with the
00011 ** Software or, alternatively, in accordance with the terms contained in
00012 ** a written agreement between you and Nokia.
00013 **
00014 ** GNU Lesser General Public License Usage
00015 ** Alternatively, this file may be used under the terms of the GNU Lesser
00016 ** General Public License version 2.1 as published by the Free Software
00017 ** Foundation and appearing in the file LICENSE.LGPL included in the
00018 ** packaging of this file.  Please review the following information to
00019 ** ensure the GNU Lesser General Public License version 2.1 requirements
00020 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
00021 **
00022 ** In addition, as a special exception, Nokia gives you certain
00023 ** additional rights. These rights are described in the Nokia Qt LGPL
00024 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
00025 ** package.
00026 **
00027 ** GNU General Public License Usage
00028 ** Alternatively, this file may be used under the terms of the GNU
00029 ** General Public License version 3.0 as published by the Free Software
00030 ** Foundation and appearing in the file LICENSE.GPL included in the
00031 ** packaging of this file.  Please review the following information to
00032 ** ensure the GNU General Public License version 3.0 requirements will be
00033 ** met: http://www.gnu.org/copyleft/gpl.html.
00034 **
00035 ** If you are unsure which license is appropriate for your use, please
00036 ** contact the sales department at qt-sales@nokia.com.
00037 **
00038 ****************************************************************************/
00039 
00040 #ifndef __QUILLIMAGEFILTERIMPLEMENTATION_H__
00041 #define __QUILLIMAGEFILTERIMPLEMENTATION_H__
00042 
00043 #include <QVariant>
00044 #include <QStringList>
00045 
00046 #include "quillimage.h"
00047 #include "quillimagefilterinterface.h"
00048 
00062 class QuillImageFilter;
00063 
00064 class QuillImageFilterImplementation
00065 {
00066 public:
00067 
00072     QuillImageFilterImplementation();
00073 
00078     virtual ~QuillImageFilterImplementation();
00079 
00087     virtual QVariant option(const QString &filterOption) const;
00088 
00096     virtual bool setOption(const QString &filterOption, const QVariant &value);
00097 
00102     virtual QuillImage apply(const QuillImage &image) const;
00103 
00109     virtual QSize newFullImageSize(const QSize &fullImageSize) const;
00110 
00116     virtual QRect newArea(const QSize &fullImageSize, const QRect &area) const;
00117 
00121     virtual QIODevice* iODevice() const;
00122 
00129     virtual void setIODevice(QIODevice* iODevice);
00130 
00142     virtual void cancel();
00143 
00146     virtual QuillImageFilter::ImageFilterError error() const;
00147 
00148     virtual const QString name() const { return QString(); }
00149 
00150 
00151     virtual QuillImageFilter::QuillFilterRole role() const;
00152 
00153     virtual const QStringList supportedOptions() const;
00154 
00155 
00156 private:
00157 
00158     Q_DISABLE_COPY(QuillImageFilterImplementation)
00159 };
00160 
00161 
00162 #endif // __QUILLIMAGEFILTERIMPLEMENTATION_H__

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