/* * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * aint with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef Filter_h #define Filter_h #if ENABLE(FILTERS) #include "FloatRect.h" #include "ImageBuffer.h" #include "StringHash.h" #include <wtf/PassRefPtr.h> #include <wtf/RefCounted.h> #include <wtf/RefPtr.h> namespace WebCore { class FilterEffect; class Filter : public RefCounted<Filter> { public: virtual ~Filter() { } void setSourceImage(PassOwnPtr<ImageBuffer> sourceImage) { m_sourceImage = sourceImage; } ImageBuffer* sourceImage() { return m_sourceImage.get(); } virtual FloatRect sourceImageRect() = 0; virtual FloatRect filterRegion() = 0; // SVG specific virtual void calculateEffectSubRegion(FilterEffect*) = 0; virtual bool effectBoundingBoxMode() = 0; private: OwnPtr<ImageBuffer> m_sourceImage; }; } // namespace WebCore #endif // ENABLE(FILTERS) #endif // Filter_h