/* * 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 * along 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 SourceAlpha_h #define SourceAlpha_h #include "FilterEffect.h" namespace WebCore { class SourceAlpha : public FilterEffect { public: static Ref<SourceAlpha> create(FilterEffect&); static const AtomString& effectName(); private: explicit SourceAlpha(FilterEffect&); FilterEffectType filterEffectType() const override { return FilterEffectTypeSourceInput; } const char* filterName() const final { return "SourceAlpha"; } void platformApplySoftware() override; void determineAbsolutePaintRect() override; WTF::TextStream& externalRepresentation(WTF::TextStream&, RepresentationType) const override; }; } //namespace WebCore #endif // SourceAlpha_h