| /* |
| * 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) 2010 Renata Hodovan <reni@inf.u-szeged.hu> |
| * Copyright (C) 2011 Gabor Loki <loki@webkit.org> |
| * 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 "FETurbulence.h" |
| |
| #include "FETurbulenceSoftwareApplier.h" |
| #include "Filter.h" |
| #include <wtf/text/TextStream.h> |
| |
| namespace WebCore { |
| |
| Ref<FETurbulence> FETurbulence::create(TurbulenceType type, float baseFrequencyX, float baseFrequencyY, int numOctaves, float seed, bool stitchTiles) |
| { |
| return adoptRef(*new FETurbulence(type, baseFrequencyX, baseFrequencyY, numOctaves, seed, stitchTiles)); |
| } |
| |
| FETurbulence::FETurbulence(TurbulenceType type, float baseFrequencyX, float baseFrequencyY, int numOctaves, float seed, bool stitchTiles) |
| : FilterEffect(FilterEffect::Type::FETurbulence) |
| , m_type(type) |
| , m_baseFrequencyX(baseFrequencyX) |
| , m_baseFrequencyY(baseFrequencyY) |
| , m_numOctaves(numOctaves) |
| , m_seed(seed) |
| , m_stitchTiles(stitchTiles) |
| { |
| } |
| |
| bool FETurbulence::setType(TurbulenceType type) |
| { |
| if (m_type == type) |
| return false; |
| m_type = type; |
| return true; |
| } |
| |
| bool FETurbulence::setBaseFrequencyY(float baseFrequencyY) |
| { |
| if (m_baseFrequencyY == baseFrequencyY) |
| return false; |
| m_baseFrequencyY = baseFrequencyY; |
| return true; |
| } |
| |
| bool FETurbulence::setBaseFrequencyX(float baseFrequencyX) |
| { |
| if (m_baseFrequencyX == baseFrequencyX) |
| return false; |
| m_baseFrequencyX = baseFrequencyX; |
| return true; |
| } |
| |
| bool FETurbulence::setSeed(float seed) |
| { |
| if (m_seed == seed) |
| return false; |
| m_seed = seed; |
| return true; |
| } |
| |
| bool FETurbulence::setNumOctaves(int numOctaves) |
| { |
| if (m_numOctaves == numOctaves) |
| return false; |
| m_numOctaves = numOctaves; |
| return true; |
| } |
| |
| bool FETurbulence::setStitchTiles(bool stitch) |
| { |
| if (m_stitchTiles == stitch) |
| return false; |
| m_stitchTiles = stitch; |
| return true; |
| } |
| |
| FloatRect FETurbulence::calculateImageRect(const Filter& filter, const FilterImageVector&, const FloatRect& primitiveSubregion) const |
| { |
| return filter.maxEffectRect(primitiveSubregion); |
| } |
| |
| std::unique_ptr<FilterEffectApplier> FETurbulence::createSoftwareApplier() const |
| { |
| return FilterEffectApplier::create<FETurbulenceSoftwareApplier>(*this); |
| } |
| |
| static TextStream& operator<<(TextStream& ts, TurbulenceType type) |
| { |
| switch (type) { |
| case TurbulenceType::Unknown: |
| ts << "UNKNOWN"; |
| break; |
| case TurbulenceType::Turbulence: |
| ts << "TURBULENCE"; |
| break; |
| case TurbulenceType::FractalNoise: |
| ts << "NOISE"; |
| break; |
| } |
| return ts; |
| } |
| |
| TextStream& FETurbulence::externalRepresentation(TextStream& ts, FilterRepresentation representation) const |
| { |
| ts << indent << "[feTurbulence"; |
| FilterEffect::externalRepresentation(ts, representation); |
| |
| ts << " type=\"" << type() << "\""; |
| ts << " baseFrequency=\"" << baseFrequencyX() << ", " << baseFrequencyY() << "\""; |
| ts << " seed=\"" << seed() << "\""; |
| ts << " numOctaves=\"" << numOctaves() << "\""; |
| ts << " stitchTiles=\"" << stitchTiles() << "\""; |
| |
| ts << "]\n"; |
| return ts; |
| } |
| |
| } // namespace WebCore |