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 FEMorphology_h 23 #define FEMorphology_h 24 25 #if ENABLE(FILTERS) 26 #include "FilterEffect.h" 27 #include "Filter.h" 28 29 namespace WebCore { 30 31 enum MorphologyOperatorType { 32 FEMORPHOLOGY_OPERATOR_UNKNOWN = 0, 33 FEMORPHOLOGY_OPERATOR_ERODE = 1, 34 FEMORPHOLOGY_OPERATOR_DILATE = 2 35 }; 36 37 class FEMorphology : public FilterEffect { 38 public: 39 static PassRefPtr<FEMorphology> create(Filter*, MorphologyOperatorType, float radiusX, float radiusY); 40 MorphologyOperatorType morphologyOperator() const; 41 bool setMorphologyOperator(MorphologyOperatorType); 42 43 float radiusX() const; 44 bool setRadiusX(float); 45 46 float radiusY() const; 47 bool setRadiusY(float); 48 49 virtual void apply(); 50 virtual void dump(); 51 52 virtual void determineAbsolutePaintRect(); 53 54 virtual TextStream& externalRepresentation(TextStream&, int indention) const; 55 56 private: 57 FEMorphology(Filter*, MorphologyOperatorType, float radiusX, float radiusY); 58 59 MorphologyOperatorType m_type; 60 float m_radiusX; 61 float m_radiusY; 62 }; 63 64 } // namespace WebCore 65 66 #endif // ENABLE(FILTERS) 67 68 #endif // FEMorphology_h 69