1 /* 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005 Rob Buis <buis (at) kde.org> 4 * Copyright (C) 2005 Eric Seidel <eric (at) 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 FEComposite_h 23 #define FEComposite_h 24 25 #if ENABLE(FILTERS) 26 #include "FilterEffect.h" 27 28 #include "PlatformString.h" 29 #include "Filter.h" 30 31 namespace WebCore { 32 33 enum CompositeOperationType { 34 FECOMPOSITE_OPERATOR_UNKNOWN = 0, 35 FECOMPOSITE_OPERATOR_OVER = 1, 36 FECOMPOSITE_OPERATOR_IN = 2, 37 FECOMPOSITE_OPERATOR_OUT = 3, 38 FECOMPOSITE_OPERATOR_ATOP = 4, 39 FECOMPOSITE_OPERATOR_XOR = 5, 40 FECOMPOSITE_OPERATOR_ARITHMETIC = 6 41 }; 42 43 class FEComposite : public FilterEffect { 44 public: 45 static PassRefPtr<FEComposite> create(Filter*, const CompositeOperationType&, float, float, float, float); 46 47 CompositeOperationType operation() const; 48 bool setOperation(CompositeOperationType); 49 50 float k1() const; 51 bool setK1(float); 52 53 float k2() const; 54 bool setK2(float); 55 56 float k3() const; 57 bool setK3(float); 58 59 float k4() const; 60 bool setK4(float); 61 62 virtual void apply(); 63 virtual void dump(); 64 65 virtual void determineAbsolutePaintRect(); 66 67 virtual TextStream& externalRepresentation(TextStream&, int indention) const; 68 69 private: 70 FEComposite(Filter*, const CompositeOperationType&, float, float, float, float); 71 72 CompositeOperationType m_type; 73 float m_k1; 74 float m_k2; 75 float m_k3; 76 float m_k4; 77 }; 78 79 } // namespace WebCore 80 81 #endif // ENABLE(FILTERS) 82 83 #endif // FEComposite_h 84
