| /* |
| * 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> |
| * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
| * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| * Copyright (C) 2017-2022 Apple Inc. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| #include "config.h" |
| #include "FEMorphology.h" |
| |
| #include "Filter.h" |
| #include "FEMorphologySoftwareApplier.h" |
| #include <wtf/text/TextStream.h> |
| |
| namespace WebCore { |
| |
| Ref<FEMorphology> FEMorphology::create(MorphologyOperatorType type, float radiusX, float radiusY) |
| { |
| return adoptRef(*new FEMorphology(type, radiusX, radiusY)); |
| } |
| |
| FEMorphology::FEMorphology(MorphologyOperatorType type, float radiusX, float radiusY) |
| : FilterEffect(FilterEffect::Type::FEMorphology) |
| , m_type(type) |
| , m_radiusX(radiusX) |
| , m_radiusY(radiusY) |
| { |
| } |
| |
| bool FEMorphology::setMorphologyOperator(MorphologyOperatorType type) |
| { |
| if (m_type == type) |
| return false; |
| m_type = type; |
| return true; |
| } |
| |
| bool FEMorphology::setRadiusX(float radiusX) |
| { |
| if (m_radiusX == radiusX) |
| return false; |
| m_radiusX = radiusX; |
| return true; |
| } |
| |
| bool FEMorphology::setRadiusY(float radiusY) |
| { |
| if (m_radiusY == radiusY) |
| return false; |
| m_radiusY = radiusY; |
| return true; |
| } |
| |
| FloatRect FEMorphology::calculateImageRect(const Filter& filter, const FilterImageVector& inputs, const FloatRect& primitiveSubregion) const |
| { |
| auto imageRect = inputs[0]->imageRect(); |
| imageRect.inflate(filter.resolvedSize({ m_radiusX, m_radiusY })); |
| return filter.clipToMaxEffectRect(imageRect, primitiveSubregion); |
| } |
| |
| bool FEMorphology::resultIsAlphaImage(const FilterImageVector& inputs) const |
| { |
| return inputs[0]->isAlphaImage(); |
| } |
| |
| std::unique_ptr<FilterEffectApplier> FEMorphology::createSoftwareApplier() const |
| { |
| return FilterEffectApplier::create<FEMorphologySoftwareApplier>(*this); |
| } |
| |
| static TextStream& operator<<(TextStream& ts, const MorphologyOperatorType& type) |
| { |
| switch (type) { |
| case MorphologyOperatorType::Unknown: |
| ts << "UNKNOWN"; |
| break; |
| case MorphologyOperatorType::Erode: |
| ts << "ERODE"; |
| break; |
| case MorphologyOperatorType::Dilate: |
| ts << "DILATE"; |
| break; |
| } |
| return ts; |
| } |
| |
| TextStream& FEMorphology::externalRepresentation(TextStream& ts, FilterRepresentation representation) const |
| { |
| ts << indent << "[feMorphology"; |
| FilterEffect::externalRepresentation(ts, representation); |
| |
| ts << " operator=\"" << morphologyOperator() << "\""; |
| ts << " radius=\"" << radiusX() << ", " << radiusY() << "\""; |
| |
| ts << "]\n"; |
| return ts; |
| } |
| |
| } // namespace WebCore |