| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
| * Copyright (C) 2005 Eric Seidel <eric@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. |
| */ |
| |
| #pragma once |
| |
| #include "FilterEffect.h" |
| #include "Filter.h" |
| |
| namespace WebCore { |
| |
| enum MorphologyOperatorType { |
| FEMORPHOLOGY_OPERATOR_UNKNOWN = 0, |
| FEMORPHOLOGY_OPERATOR_ERODE = 1, |
| FEMORPHOLOGY_OPERATOR_DILATE = 2 |
| }; |
| |
| class FEMorphology : public FilterEffect { |
| public: |
| static Ref<FEMorphology> create(Filter&, MorphologyOperatorType, float radiusX, float radiusY); |
| |
| MorphologyOperatorType morphologyOperator() const { return m_type; } |
| bool setMorphologyOperator(MorphologyOperatorType); |
| |
| float radiusX() const { return m_radiusX; } |
| bool setRadiusX(float); |
| |
| float radiusY() const { return m_radiusY; } |
| bool setRadiusY(float); |
| |
| private: |
| FEMorphology(Filter&, MorphologyOperatorType, float radiusX, float radiusY); |
| |
| const char* filterName() const final { return "FEMorphology"; } |
| |
| void platformApplySoftware() override; |
| |
| void determineAbsolutePaintRect() override; |
| |
| WTF::TextStream& externalRepresentation(WTF::TextStream&, RepresentationType) const override; |
| |
| bool platformApplyDegenerate(Uint8ClampedArray& dstPixelArray, const IntRect& imageRect, int radiusX, int radiusY); |
| |
| struct PaintingData { |
| const Uint8ClampedArray* srcPixelArray; |
| Uint8ClampedArray* dstPixelArray; |
| int width; |
| int height; |
| int radiusX; |
| int radiusY; |
| }; |
| |
| struct PlatformApplyParameters { |
| FEMorphology* filter; |
| int startY; |
| int endY; |
| const PaintingData* paintingData; |
| }; |
| |
| static void platformApplyWorker(PlatformApplyParameters*); |
| |
| void platformApply(const PaintingData&); |
| void platformApplyGeneric(const PaintingData&, int startY, int endY); |
| |
| MorphologyOperatorType m_type; |
| float m_radiusX; |
| float m_radiusY; |
| }; |
| |
| } // namespace WebCore |
| |