1 /* 2 Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 2004, 2005 Rob Buis <buis@kde.org> 4 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 aint 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 SVGFEMorphology_h 23 #define SVGFEMorphology_h 24 25 #if ENABLE(SVG) && 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(FilterEffect*, MorphologyOperatorType, float radiusX, float radiusY); 40 MorphologyOperatorType morphologyOperator() const; 41 void setMorphologyOperator(MorphologyOperatorType); 42 43 float radiusX() const; 44 void setRadiusX(float); 45 46 float radiusY() const; 47 void setRadiusY(float); 48 uniteChildEffectSubregions(Filter * filter)49 virtual FloatRect uniteChildEffectSubregions(Filter* filter) { return calculateUnionOfChildEffectSubregions(filter, m_in.get()); } 50 void apply(Filter*); 51 void dump(); 52 TextStream& externalRepresentation(TextStream& ts) const; 53 54 private: 55 FEMorphology(FilterEffect*, MorphologyOperatorType, float radiusX, float radiusY); 56 57 RefPtr<FilterEffect> m_in; 58 MorphologyOperatorType m_type; 59 float m_radiusX; 60 float m_radiusY; 61 }; 62 63 } // namespace WebCore 64 65 #endif // ENABLE(SVG) && ENABLE(FILTERS) 66 67 #endif // SVGFEMorphology_h 68