1 /* 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> 4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef FEBlend_h 23 #define FEBlend_h 24 25 #if ENABLE(FILTERS) 26 #include "FilterEffect.h" 27 28 #include "Filter.h" 29 30 namespace WebCore { 31 32 enum BlendModeType { 33 FEBLEND_MODE_UNKNOWN = 0, 34 FEBLEND_MODE_NORMAL = 1, 35 FEBLEND_MODE_MULTIPLY = 2, 36 FEBLEND_MODE_SCREEN = 3, 37 FEBLEND_MODE_DARKEN = 4, 38 FEBLEND_MODE_LIGHTEN = 5 39 }; 40 41 class FEBlend : public FilterEffect { 42 public: 43 static PassRefPtr<FEBlend> create(Filter*, BlendModeType); 44 45 BlendModeType blendMode() const; 46 bool setBlendMode(BlendModeType); 47 48 virtual void apply(); 49 virtual void dump(); 50 51 virtual TextStream& externalRepresentation(TextStream&, int indention) const; 52 53 private: 54 FEBlend(Filter*, BlendModeType); 55 56 BlendModeType m_mode; 57 }; 58 59 } // namespace WebCore 60 61 #endif // ENABLE(FILTERS) 62 63 #endif // FEBlend_h 64